worktree_tests.rs

   1use crate::{
   2    project_settings::ProjectSettings,
   3    worktree::{Event, Snapshot, WorktreeModelHandle},
   4    Entry, EntryKind, PathChange, Project, Worktree,
   5};
   6use anyhow::Result;
   7use client::Client;
   8use fs::{repository::GitFileStatus, FakeFs, Fs, RealFs, RemoveOptions};
   9use git::GITIGNORE;
  10use gpui::{ModelContext, Task, TestAppContext};
  11use parking_lot::Mutex;
  12use postage::stream::Stream;
  13use pretty_assertions::assert_eq;
  14use rand::prelude::*;
  15use serde_json::json;
  16use settings::SettingsStore;
  17use std::{
  18    env,
  19    fmt::Write,
  20    mem,
  21    path::{Path, PathBuf},
  22    sync::Arc,
  23};
  24use util::{http::FakeHttpClient, test::temp_tree, ResultExt};
  25
  26#[gpui::test]
  27async fn test_traversal(cx: &mut TestAppContext) {
  28    init_test(cx);
  29    let fs = FakeFs::new(cx.background_executor.clone());
  30    fs.insert_tree(
  31        "/root",
  32        json!({
  33           ".gitignore": "a/b\n",
  34           "a": {
  35               "b": "",
  36               "c": "",
  37           }
  38        }),
  39    )
  40    .await;
  41
  42    let tree = Worktree::local(
  43        build_client(cx),
  44        Path::new("/root"),
  45        true,
  46        fs,
  47        Default::default(),
  48        &mut cx.to_async(),
  49    )
  50    .await
  51    .unwrap();
  52    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
  53        .await;
  54
  55    tree.read_with(cx, |tree, _| {
  56        assert_eq!(
  57            tree.entries(false)
  58                .map(|entry| entry.path.as_ref())
  59                .collect::<Vec<_>>(),
  60            vec![
  61                Path::new(""),
  62                Path::new(".gitignore"),
  63                Path::new("a"),
  64                Path::new("a/c"),
  65            ]
  66        );
  67        assert_eq!(
  68            tree.entries(true)
  69                .map(|entry| entry.path.as_ref())
  70                .collect::<Vec<_>>(),
  71            vec![
  72                Path::new(""),
  73                Path::new(".gitignore"),
  74                Path::new("a"),
  75                Path::new("a/b"),
  76                Path::new("a/c"),
  77            ]
  78        );
  79    })
  80}
  81
  82#[gpui::test]
  83async fn test_descendent_entries(cx: &mut TestAppContext) {
  84    init_test(cx);
  85    let fs = FakeFs::new(cx.background_executor.clone());
  86    fs.insert_tree(
  87        "/root",
  88        json!({
  89            "a": "",
  90            "b": {
  91               "c": {
  92                   "d": ""
  93               },
  94               "e": {}
  95            },
  96            "f": "",
  97            "g": {
  98                "h": {}
  99            },
 100            "i": {
 101                "j": {
 102                    "k": ""
 103                },
 104                "l": {
 105
 106                }
 107            },
 108            ".gitignore": "i/j\n",
 109        }),
 110    )
 111    .await;
 112
 113    let tree = Worktree::local(
 114        build_client(cx),
 115        Path::new("/root"),
 116        true,
 117        fs,
 118        Default::default(),
 119        &mut cx.to_async(),
 120    )
 121    .await
 122    .unwrap();
 123    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 124        .await;
 125
 126    tree.read_with(cx, |tree, _| {
 127        assert_eq!(
 128            tree.descendent_entries(false, false, Path::new("b"))
 129                .map(|entry| entry.path.as_ref())
 130                .collect::<Vec<_>>(),
 131            vec![Path::new("b/c/d"),]
 132        );
 133        assert_eq!(
 134            tree.descendent_entries(true, false, Path::new("b"))
 135                .map(|entry| entry.path.as_ref())
 136                .collect::<Vec<_>>(),
 137            vec![
 138                Path::new("b"),
 139                Path::new("b/c"),
 140                Path::new("b/c/d"),
 141                Path::new("b/e"),
 142            ]
 143        );
 144
 145        assert_eq!(
 146            tree.descendent_entries(false, false, Path::new("g"))
 147                .map(|entry| entry.path.as_ref())
 148                .collect::<Vec<_>>(),
 149            Vec::<PathBuf>::new()
 150        );
 151        assert_eq!(
 152            tree.descendent_entries(true, false, Path::new("g"))
 153                .map(|entry| entry.path.as_ref())
 154                .collect::<Vec<_>>(),
 155            vec![Path::new("g"), Path::new("g/h"),]
 156        );
 157    });
 158
 159    // Expand gitignored directory.
 160    tree.read_with(cx, |tree, _| {
 161        tree.as_local()
 162            .unwrap()
 163            .refresh_entries_for_paths(vec![Path::new("i/j").into()])
 164    })
 165    .recv()
 166    .await;
 167
 168    tree.read_with(cx, |tree, _| {
 169        assert_eq!(
 170            tree.descendent_entries(false, false, Path::new("i"))
 171                .map(|entry| entry.path.as_ref())
 172                .collect::<Vec<_>>(),
 173            Vec::<PathBuf>::new()
 174        );
 175        assert_eq!(
 176            tree.descendent_entries(false, true, Path::new("i"))
 177                .map(|entry| entry.path.as_ref())
 178                .collect::<Vec<_>>(),
 179            vec![Path::new("i/j/k")]
 180        );
 181        assert_eq!(
 182            tree.descendent_entries(true, false, Path::new("i"))
 183                .map(|entry| entry.path.as_ref())
 184                .collect::<Vec<_>>(),
 185            vec![Path::new("i"), Path::new("i/l"),]
 186        );
 187    })
 188}
 189
 190#[gpui::test(iterations = 10)]
 191async fn test_circular_symlinks(cx: &mut TestAppContext) {
 192    init_test(cx);
 193    let fs = FakeFs::new(cx.background_executor.clone());
 194    fs.insert_tree(
 195        "/root",
 196        json!({
 197            "lib": {
 198                "a": {
 199                    "a.txt": ""
 200                },
 201                "b": {
 202                    "b.txt": ""
 203                }
 204            }
 205        }),
 206    )
 207    .await;
 208    fs.insert_symlink("/root/lib/a/lib", "..".into()).await;
 209    fs.insert_symlink("/root/lib/b/lib", "..".into()).await;
 210
 211    let tree = Worktree::local(
 212        build_client(cx),
 213        Path::new("/root"),
 214        true,
 215        fs.clone(),
 216        Default::default(),
 217        &mut cx.to_async(),
 218    )
 219    .await
 220    .unwrap();
 221
 222    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 223        .await;
 224
 225    tree.read_with(cx, |tree, _| {
 226        assert_eq!(
 227            tree.entries(false)
 228                .map(|entry| entry.path.as_ref())
 229                .collect::<Vec<_>>(),
 230            vec![
 231                Path::new(""),
 232                Path::new("lib"),
 233                Path::new("lib/a"),
 234                Path::new("lib/a/a.txt"),
 235                Path::new("lib/a/lib"),
 236                Path::new("lib/b"),
 237                Path::new("lib/b/b.txt"),
 238                Path::new("lib/b/lib"),
 239            ]
 240        );
 241    });
 242
 243    fs.rename(
 244        Path::new("/root/lib/a/lib"),
 245        Path::new("/root/lib/a/lib-2"),
 246        Default::default(),
 247    )
 248    .await
 249    .unwrap();
 250    cx.executor().run_until_parked();
 251    tree.read_with(cx, |tree, _| {
 252        assert_eq!(
 253            tree.entries(false)
 254                .map(|entry| entry.path.as_ref())
 255                .collect::<Vec<_>>(),
 256            vec![
 257                Path::new(""),
 258                Path::new("lib"),
 259                Path::new("lib/a"),
 260                Path::new("lib/a/a.txt"),
 261                Path::new("lib/a/lib-2"),
 262                Path::new("lib/b"),
 263                Path::new("lib/b/b.txt"),
 264                Path::new("lib/b/lib"),
 265            ]
 266        );
 267    });
 268}
 269
 270#[gpui::test]
 271async fn test_symlinks_pointing_outside(cx: &mut TestAppContext) {
 272    init_test(cx);
 273    let fs = FakeFs::new(cx.background_executor.clone());
 274    fs.insert_tree(
 275        "/root",
 276        json!({
 277            "dir1": {
 278                "deps": {
 279                    // symlinks here
 280                },
 281                "src": {
 282                    "a.rs": "",
 283                    "b.rs": "",
 284                },
 285            },
 286            "dir2": {
 287                "src": {
 288                    "c.rs": "",
 289                    "d.rs": "",
 290                }
 291            },
 292            "dir3": {
 293                "deps": {},
 294                "src": {
 295                    "e.rs": "",
 296                    "f.rs": "",
 297                },
 298            }
 299        }),
 300    )
 301    .await;
 302
 303    // These symlinks point to directories outside of the worktree's root, dir1.
 304    fs.insert_symlink("/root/dir1/deps/dep-dir2", "../../dir2".into())
 305        .await;
 306    fs.insert_symlink("/root/dir1/deps/dep-dir3", "../../dir3".into())
 307        .await;
 308
 309    let tree = Worktree::local(
 310        build_client(cx),
 311        Path::new("/root/dir1"),
 312        true,
 313        fs.clone(),
 314        Default::default(),
 315        &mut cx.to_async(),
 316    )
 317    .await
 318    .unwrap();
 319
 320    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 321        .await;
 322
 323    let tree_updates = Arc::new(Mutex::new(Vec::new()));
 324    tree.update(cx, |_, cx| {
 325        let tree_updates = tree_updates.clone();
 326        cx.subscribe(&tree, move |_, _, event, _| {
 327            if let Event::UpdatedEntries(update) = event {
 328                tree_updates.lock().extend(
 329                    update
 330                        .iter()
 331                        .map(|(path, _, change)| (path.clone(), *change)),
 332                );
 333            }
 334        })
 335        .detach();
 336    });
 337
 338    // The symlinked directories are not scanned by default.
 339    tree.read_with(cx, |tree, _| {
 340        assert_eq!(
 341            tree.entries(true)
 342                .map(|entry| (entry.path.as_ref(), entry.is_external))
 343                .collect::<Vec<_>>(),
 344            vec![
 345                (Path::new(""), false),
 346                (Path::new("deps"), false),
 347                (Path::new("deps/dep-dir2"), true),
 348                (Path::new("deps/dep-dir3"), true),
 349                (Path::new("src"), false),
 350                (Path::new("src/a.rs"), false),
 351                (Path::new("src/b.rs"), false),
 352            ]
 353        );
 354
 355        assert_eq!(
 356            tree.entry_for_path("deps/dep-dir2").unwrap().kind,
 357            EntryKind::UnloadedDir
 358        );
 359    });
 360
 361    // Expand one of the symlinked directories.
 362    tree.read_with(cx, |tree, _| {
 363        tree.as_local()
 364            .unwrap()
 365            .refresh_entries_for_paths(vec![Path::new("deps/dep-dir3").into()])
 366    })
 367    .recv()
 368    .await;
 369
 370    // The expanded directory's contents are loaded. Subdirectories are
 371    // not scanned yet.
 372    tree.read_with(cx, |tree, _| {
 373        assert_eq!(
 374            tree.entries(true)
 375                .map(|entry| (entry.path.as_ref(), entry.is_external))
 376                .collect::<Vec<_>>(),
 377            vec![
 378                (Path::new(""), false),
 379                (Path::new("deps"), false),
 380                (Path::new("deps/dep-dir2"), true),
 381                (Path::new("deps/dep-dir3"), true),
 382                (Path::new("deps/dep-dir3/deps"), true),
 383                (Path::new("deps/dep-dir3/src"), true),
 384                (Path::new("src"), false),
 385                (Path::new("src/a.rs"), false),
 386                (Path::new("src/b.rs"), false),
 387            ]
 388        );
 389    });
 390    assert_eq!(
 391        mem::take(&mut *tree_updates.lock()),
 392        &[
 393            (Path::new("deps/dep-dir3").into(), PathChange::Loaded),
 394            (Path::new("deps/dep-dir3/deps").into(), PathChange::Loaded),
 395            (Path::new("deps/dep-dir3/src").into(), PathChange::Loaded)
 396        ]
 397    );
 398
 399    // Expand a subdirectory of one of the symlinked directories.
 400    tree.read_with(cx, |tree, _| {
 401        tree.as_local()
 402            .unwrap()
 403            .refresh_entries_for_paths(vec![Path::new("deps/dep-dir3/src").into()])
 404    })
 405    .recv()
 406    .await;
 407
 408    // The expanded subdirectory's contents are loaded.
 409    tree.read_with(cx, |tree, _| {
 410        assert_eq!(
 411            tree.entries(true)
 412                .map(|entry| (entry.path.as_ref(), entry.is_external))
 413                .collect::<Vec<_>>(),
 414            vec![
 415                (Path::new(""), false),
 416                (Path::new("deps"), false),
 417                (Path::new("deps/dep-dir2"), true),
 418                (Path::new("deps/dep-dir3"), true),
 419                (Path::new("deps/dep-dir3/deps"), true),
 420                (Path::new("deps/dep-dir3/src"), true),
 421                (Path::new("deps/dep-dir3/src/e.rs"), true),
 422                (Path::new("deps/dep-dir3/src/f.rs"), true),
 423                (Path::new("src"), false),
 424                (Path::new("src/a.rs"), false),
 425                (Path::new("src/b.rs"), false),
 426            ]
 427        );
 428    });
 429
 430    assert_eq!(
 431        mem::take(&mut *tree_updates.lock()),
 432        &[
 433            (Path::new("deps/dep-dir3/src").into(), PathChange::Loaded),
 434            (
 435                Path::new("deps/dep-dir3/src/e.rs").into(),
 436                PathChange::Loaded
 437            ),
 438            (
 439                Path::new("deps/dep-dir3/src/f.rs").into(),
 440                PathChange::Loaded
 441            )
 442        ]
 443    );
 444}
 445
 446#[gpui::test]
 447async fn test_open_gitignored_files(cx: &mut TestAppContext) {
 448    init_test(cx);
 449    let fs = FakeFs::new(cx.background_executor.clone());
 450    fs.insert_tree(
 451        "/root",
 452        json!({
 453            ".gitignore": "node_modules\n",
 454            "one": {
 455                "node_modules": {
 456                    "a": {
 457                        "a1.js": "a1",
 458                        "a2.js": "a2",
 459                    },
 460                    "b": {
 461                        "b1.js": "b1",
 462                        "b2.js": "b2",
 463                    },
 464                    "c": {
 465                        "c1.js": "c1",
 466                        "c2.js": "c2",
 467                    }
 468                },
 469            },
 470            "two": {
 471                "x.js": "",
 472                "y.js": "",
 473            },
 474        }),
 475    )
 476    .await;
 477
 478    let tree = Worktree::local(
 479        build_client(cx),
 480        Path::new("/root"),
 481        true,
 482        fs.clone(),
 483        Default::default(),
 484        &mut cx.to_async(),
 485    )
 486    .await
 487    .unwrap();
 488
 489    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 490        .await;
 491
 492    tree.read_with(cx, |tree, _| {
 493        assert_eq!(
 494            tree.entries(true)
 495                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 496                .collect::<Vec<_>>(),
 497            vec![
 498                (Path::new(""), false),
 499                (Path::new(".gitignore"), false),
 500                (Path::new("one"), false),
 501                (Path::new("one/node_modules"), true),
 502                (Path::new("two"), false),
 503                (Path::new("two/x.js"), false),
 504                (Path::new("two/y.js"), false),
 505            ]
 506        );
 507    });
 508
 509    // Open a file that is nested inside of a gitignored directory that
 510    // has not yet been expanded.
 511    let prev_read_dir_count = fs.read_dir_call_count();
 512    let buffer = tree
 513        .update(cx, |tree, cx| {
 514            tree.as_local_mut()
 515                .unwrap()
 516                .load_buffer(0, "one/node_modules/b/b1.js".as_ref(), cx)
 517        })
 518        .await
 519        .unwrap();
 520
 521    tree.read_with(cx, |tree, cx| {
 522        assert_eq!(
 523            tree.entries(true)
 524                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 525                .collect::<Vec<_>>(),
 526            vec![
 527                (Path::new(""), false),
 528                (Path::new(".gitignore"), false),
 529                (Path::new("one"), false),
 530                (Path::new("one/node_modules"), true),
 531                (Path::new("one/node_modules/a"), true),
 532                (Path::new("one/node_modules/b"), true),
 533                (Path::new("one/node_modules/b/b1.js"), true),
 534                (Path::new("one/node_modules/b/b2.js"), true),
 535                (Path::new("one/node_modules/c"), true),
 536                (Path::new("two"), false),
 537                (Path::new("two/x.js"), false),
 538                (Path::new("two/y.js"), false),
 539            ]
 540        );
 541
 542        assert_eq!(
 543            buffer.read(cx).file().unwrap().path().as_ref(),
 544            Path::new("one/node_modules/b/b1.js")
 545        );
 546
 547        // Only the newly-expanded directories are scanned.
 548        assert_eq!(fs.read_dir_call_count() - prev_read_dir_count, 2);
 549    });
 550
 551    // Open another file in a different subdirectory of the same
 552    // gitignored directory.
 553    let prev_read_dir_count = fs.read_dir_call_count();
 554    let buffer = tree
 555        .update(cx, |tree, cx| {
 556            tree.as_local_mut()
 557                .unwrap()
 558                .load_buffer(0, "one/node_modules/a/a2.js".as_ref(), cx)
 559        })
 560        .await
 561        .unwrap();
 562
 563    tree.read_with(cx, |tree, cx| {
 564        assert_eq!(
 565            tree.entries(true)
 566                .map(|entry| (entry.path.as_ref(), entry.is_ignored))
 567                .collect::<Vec<_>>(),
 568            vec![
 569                (Path::new(""), false),
 570                (Path::new(".gitignore"), false),
 571                (Path::new("one"), false),
 572                (Path::new("one/node_modules"), true),
 573                (Path::new("one/node_modules/a"), true),
 574                (Path::new("one/node_modules/a/a1.js"), true),
 575                (Path::new("one/node_modules/a/a2.js"), true),
 576                (Path::new("one/node_modules/b"), true),
 577                (Path::new("one/node_modules/b/b1.js"), true),
 578                (Path::new("one/node_modules/b/b2.js"), true),
 579                (Path::new("one/node_modules/c"), true),
 580                (Path::new("two"), false),
 581                (Path::new("two/x.js"), false),
 582                (Path::new("two/y.js"), false),
 583            ]
 584        );
 585
 586        assert_eq!(
 587            buffer.read(cx).file().unwrap().path().as_ref(),
 588            Path::new("one/node_modules/a/a2.js")
 589        );
 590
 591        // Only the newly-expanded directory is scanned.
 592        assert_eq!(fs.read_dir_call_count() - prev_read_dir_count, 1);
 593    });
 594
 595    // No work happens when files and directories change within an unloaded directory.
 596    let prev_fs_call_count = fs.read_dir_call_count() + fs.metadata_call_count();
 597    fs.create_dir("/root/one/node_modules/c/lib".as_ref())
 598        .await
 599        .unwrap();
 600    cx.executor().run_until_parked();
 601    assert_eq!(
 602        fs.read_dir_call_count() + fs.metadata_call_count() - prev_fs_call_count,
 603        0
 604    );
 605}
 606
 607#[gpui::test]
 608async fn test_dirs_no_longer_ignored(cx: &mut TestAppContext) {
 609    init_test(cx);
 610    let fs = FakeFs::new(cx.background_executor.clone());
 611    fs.insert_tree(
 612        "/root",
 613        json!({
 614            ".gitignore": "node_modules\n",
 615            "a": {
 616                "a.js": "",
 617            },
 618            "b": {
 619                "b.js": "",
 620            },
 621            "node_modules": {
 622                "c": {
 623                    "c.js": "",
 624                },
 625                "d": {
 626                    "d.js": "",
 627                    "e": {
 628                        "e1.js": "",
 629                        "e2.js": "",
 630                    },
 631                    "f": {
 632                        "f1.js": "",
 633                        "f2.js": "",
 634                    }
 635                },
 636            },
 637        }),
 638    )
 639    .await;
 640
 641    let tree = Worktree::local(
 642        build_client(cx),
 643        Path::new("/root"),
 644        true,
 645        fs.clone(),
 646        Default::default(),
 647        &mut cx.to_async(),
 648    )
 649    .await
 650    .unwrap();
 651
 652    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 653        .await;
 654
 655    // Open a file within the gitignored directory, forcing some of its
 656    // subdirectories to be read, but not all.
 657    let read_dir_count_1 = fs.read_dir_call_count();
 658    tree.read_with(cx, |tree, _| {
 659        tree.as_local()
 660            .unwrap()
 661            .refresh_entries_for_paths(vec![Path::new("node_modules/d/d.js").into()])
 662    })
 663    .recv()
 664    .await;
 665
 666    // Those subdirectories are now loaded.
 667    tree.read_with(cx, |tree, _| {
 668        assert_eq!(
 669            tree.entries(true)
 670                .map(|e| (e.path.as_ref(), e.is_ignored))
 671                .collect::<Vec<_>>(),
 672            &[
 673                (Path::new(""), false),
 674                (Path::new(".gitignore"), false),
 675                (Path::new("a"), false),
 676                (Path::new("a/a.js"), false),
 677                (Path::new("b"), false),
 678                (Path::new("b/b.js"), false),
 679                (Path::new("node_modules"), true),
 680                (Path::new("node_modules/c"), true),
 681                (Path::new("node_modules/d"), true),
 682                (Path::new("node_modules/d/d.js"), true),
 683                (Path::new("node_modules/d/e"), true),
 684                (Path::new("node_modules/d/f"), true),
 685            ]
 686        );
 687    });
 688    let read_dir_count_2 = fs.read_dir_call_count();
 689    assert_eq!(read_dir_count_2 - read_dir_count_1, 2);
 690
 691    // Update the gitignore so that node_modules is no longer ignored,
 692    // but a subdirectory is ignored
 693    fs.save("/root/.gitignore".as_ref(), &"e".into(), Default::default())
 694        .await
 695        .unwrap();
 696    cx.executor().run_until_parked();
 697
 698    // All of the directories that are no longer ignored are now loaded.
 699    tree.read_with(cx, |tree, _| {
 700        assert_eq!(
 701            tree.entries(true)
 702                .map(|e| (e.path.as_ref(), e.is_ignored))
 703                .collect::<Vec<_>>(),
 704            &[
 705                (Path::new(""), false),
 706                (Path::new(".gitignore"), false),
 707                (Path::new("a"), false),
 708                (Path::new("a/a.js"), false),
 709                (Path::new("b"), false),
 710                (Path::new("b/b.js"), false),
 711                // This directory is no longer ignored
 712                (Path::new("node_modules"), false),
 713                (Path::new("node_modules/c"), false),
 714                (Path::new("node_modules/c/c.js"), false),
 715                (Path::new("node_modules/d"), false),
 716                (Path::new("node_modules/d/d.js"), false),
 717                // This subdirectory is now ignored
 718                (Path::new("node_modules/d/e"), true),
 719                (Path::new("node_modules/d/f"), false),
 720                (Path::new("node_modules/d/f/f1.js"), false),
 721                (Path::new("node_modules/d/f/f2.js"), false),
 722            ]
 723        );
 724    });
 725
 726    // Each of the newly-loaded directories is scanned only once.
 727    let read_dir_count_3 = fs.read_dir_call_count();
 728    assert_eq!(read_dir_count_3 - read_dir_count_2, 2);
 729}
 730
 731#[gpui::test(iterations = 10)]
 732async fn test_rescan_with_gitignore(cx: &mut TestAppContext) {
 733    init_test(cx);
 734    cx.update(|cx| {
 735        cx.update_global::<SettingsStore, _>(|store, cx| {
 736            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 737                project_settings.file_scan_exclusions = Some(Vec::new());
 738            });
 739        });
 740    });
 741    let fs = FakeFs::new(cx.background_executor.clone());
 742    fs.insert_tree(
 743        "/root",
 744        json!({
 745            ".gitignore": "ancestor-ignored-file1\nancestor-ignored-file2\n",
 746            "tree": {
 747                ".git": {},
 748                ".gitignore": "ignored-dir\n",
 749                "tracked-dir": {
 750                    "tracked-file1": "",
 751                    "ancestor-ignored-file1": "",
 752                },
 753                "ignored-dir": {
 754                    "ignored-file1": ""
 755                }
 756            }
 757        }),
 758    )
 759    .await;
 760
 761    let tree = Worktree::local(
 762        build_client(cx),
 763        "/root/tree".as_ref(),
 764        true,
 765        fs.clone(),
 766        Default::default(),
 767        &mut cx.to_async(),
 768    )
 769    .await
 770    .unwrap();
 771    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 772        .await;
 773
 774    tree.read_with(cx, |tree, _| {
 775        tree.as_local()
 776            .unwrap()
 777            .refresh_entries_for_paths(vec![Path::new("ignored-dir").into()])
 778    })
 779    .recv()
 780    .await;
 781
 782    cx.read(|cx| {
 783        let tree = tree.read(cx);
 784        assert!(
 785            !tree
 786                .entry_for_path("tracked-dir/tracked-file1")
 787                .unwrap()
 788                .is_ignored
 789        );
 790        assert!(
 791            tree.entry_for_path("tracked-dir/ancestor-ignored-file1")
 792                .unwrap()
 793                .is_ignored
 794        );
 795        assert!(
 796            tree.entry_for_path("ignored-dir/ignored-file1")
 797                .unwrap()
 798                .is_ignored
 799        );
 800    });
 801
 802    fs.create_file(
 803        "/root/tree/tracked-dir/tracked-file2".as_ref(),
 804        Default::default(),
 805    )
 806    .await
 807    .unwrap();
 808    fs.create_file(
 809        "/root/tree/tracked-dir/ancestor-ignored-file2".as_ref(),
 810        Default::default(),
 811    )
 812    .await
 813    .unwrap();
 814    fs.create_file(
 815        "/root/tree/ignored-dir/ignored-file2".as_ref(),
 816        Default::default(),
 817    )
 818    .await
 819    .unwrap();
 820
 821    cx.executor().run_until_parked();
 822    cx.read(|cx| {
 823        let tree = tree.read(cx);
 824        assert!(
 825            !tree
 826                .entry_for_path("tracked-dir/tracked-file2")
 827                .unwrap()
 828                .is_ignored
 829        );
 830        assert!(
 831            tree.entry_for_path("tracked-dir/ancestor-ignored-file2")
 832                .unwrap()
 833                .is_ignored
 834        );
 835        assert!(
 836            tree.entry_for_path("ignored-dir/ignored-file2")
 837                .unwrap()
 838                .is_ignored
 839        );
 840        assert!(tree.entry_for_path(".git").unwrap().is_ignored);
 841    });
 842}
 843
 844#[gpui::test]
 845async fn test_write_file(cx: &mut TestAppContext) {
 846    init_test(cx);
 847    cx.executor().allow_parking();
 848    let dir = temp_tree(json!({
 849        ".git": {},
 850        ".gitignore": "ignored-dir\n",
 851        "tracked-dir": {},
 852        "ignored-dir": {}
 853    }));
 854
 855    let tree = Worktree::local(
 856        build_client(cx),
 857        dir.path(),
 858        true,
 859        Arc::new(RealFs),
 860        Default::default(),
 861        &mut cx.to_async(),
 862    )
 863    .await
 864    .unwrap();
 865    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 866        .await;
 867    tree.flush_fs_events(cx).await;
 868
 869    tree.update(cx, |tree, cx| {
 870        tree.as_local().unwrap().write_file(
 871            Path::new("tracked-dir/file.txt"),
 872            "hello".into(),
 873            Default::default(),
 874            cx,
 875        )
 876    })
 877    .await
 878    .unwrap();
 879    tree.update(cx, |tree, cx| {
 880        tree.as_local().unwrap().write_file(
 881            Path::new("ignored-dir/file.txt"),
 882            "world".into(),
 883            Default::default(),
 884            cx,
 885        )
 886    })
 887    .await
 888    .unwrap();
 889
 890    tree.read_with(cx, |tree, _| {
 891        let tracked = tree.entry_for_path("tracked-dir/file.txt").unwrap();
 892        let ignored = tree.entry_for_path("ignored-dir/file.txt").unwrap();
 893        assert!(!tracked.is_ignored);
 894        assert!(ignored.is_ignored);
 895    });
 896}
 897
 898#[gpui::test]
 899async fn test_file_scan_exclusions(cx: &mut TestAppContext) {
 900    init_test(cx);
 901    cx.executor().allow_parking();
 902    let dir = temp_tree(json!({
 903        ".gitignore": "**/target\n/node_modules\n",
 904        "target": {
 905            "index": "blah2"
 906        },
 907        "node_modules": {
 908            ".DS_Store": "",
 909            "prettier": {
 910                "package.json": "{}",
 911            },
 912        },
 913        "src": {
 914            ".DS_Store": "",
 915            "foo": {
 916                "foo.rs": "mod another;\n",
 917                "another.rs": "// another",
 918            },
 919            "bar": {
 920                "bar.rs": "// bar",
 921            },
 922            "lib.rs": "mod foo;\nmod bar;\n",
 923        },
 924        ".DS_Store": "",
 925    }));
 926    cx.update(|cx| {
 927        cx.update_global::<SettingsStore, _>(|store, cx| {
 928            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 929                project_settings.file_scan_exclusions =
 930                    Some(vec!["**/foo/**".to_string(), "**/.DS_Store".to_string()]);
 931            });
 932        });
 933    });
 934
 935    let tree = Worktree::local(
 936        build_client(cx),
 937        dir.path(),
 938        true,
 939        Arc::new(RealFs),
 940        Default::default(),
 941        &mut cx.to_async(),
 942    )
 943    .await
 944    .unwrap();
 945    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
 946        .await;
 947    tree.flush_fs_events(cx).await;
 948    tree.read_with(cx, |tree, _| {
 949        check_worktree_entries(
 950            tree,
 951            &[
 952                "src/foo/foo.rs",
 953                "src/foo/another.rs",
 954                "node_modules/.DS_Store",
 955                "src/.DS_Store",
 956                ".DS_Store",
 957            ],
 958            &["target", "node_modules"],
 959            &["src/lib.rs", "src/bar/bar.rs", ".gitignore"],
 960        )
 961    });
 962
 963    cx.update(|cx| {
 964        cx.update_global::<SettingsStore, _>(|store, cx| {
 965            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
 966                project_settings.file_scan_exclusions =
 967                    Some(vec!["**/node_modules/**".to_string()]);
 968            });
 969        });
 970    });
 971    tree.flush_fs_events(cx).await;
 972    cx.executor().run_until_parked();
 973    tree.read_with(cx, |tree, _| {
 974        check_worktree_entries(
 975            tree,
 976            &[
 977                "node_modules/prettier/package.json",
 978                "node_modules/.DS_Store",
 979                "node_modules",
 980            ],
 981            &["target"],
 982            &[
 983                ".gitignore",
 984                "src/lib.rs",
 985                "src/bar/bar.rs",
 986                "src/foo/foo.rs",
 987                "src/foo/another.rs",
 988                "src/.DS_Store",
 989                ".DS_Store",
 990            ],
 991        )
 992    });
 993}
 994
 995#[gpui::test]
 996async fn test_fs_events_in_exclusions(cx: &mut TestAppContext) {
 997    init_test(cx);
 998    cx.executor().allow_parking();
 999    let dir = temp_tree(json!({
1000        ".git": {
1001            "HEAD": "ref: refs/heads/main\n",
1002            "foo": "bar",
1003        },
1004        ".gitignore": "**/target\n/node_modules\ntest_output\n",
1005        "target": {
1006            "index": "blah2"
1007        },
1008        "node_modules": {
1009            ".DS_Store": "",
1010            "prettier": {
1011                "package.json": "{}",
1012            },
1013        },
1014        "src": {
1015            ".DS_Store": "",
1016            "foo": {
1017                "foo.rs": "mod another;\n",
1018                "another.rs": "// another",
1019            },
1020            "bar": {
1021                "bar.rs": "// bar",
1022            },
1023            "lib.rs": "mod foo;\nmod bar;\n",
1024        },
1025        ".DS_Store": "",
1026    }));
1027    cx.update(|cx| {
1028        cx.update_global::<SettingsStore, _>(|store, cx| {
1029            store.update_user_settings::<ProjectSettings>(cx, |project_settings| {
1030                project_settings.file_scan_exclusions = Some(vec![
1031                    "**/.git".to_string(),
1032                    "node_modules/".to_string(),
1033                    "build_output".to_string(),
1034                ]);
1035            });
1036        });
1037    });
1038
1039    let tree = Worktree::local(
1040        build_client(cx),
1041        dir.path(),
1042        true,
1043        Arc::new(RealFs),
1044        Default::default(),
1045        &mut cx.to_async(),
1046    )
1047    .await
1048    .unwrap();
1049    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1050        .await;
1051    tree.flush_fs_events(cx).await;
1052    tree.read_with(cx, |tree, _| {
1053        check_worktree_entries(
1054            tree,
1055            &[
1056                ".git/HEAD",
1057                ".git/foo",
1058                "node_modules/.DS_Store",
1059                "node_modules/prettier",
1060                "node_modules/prettier/package.json",
1061            ],
1062            &["target", "node_modules"],
1063            &[
1064                ".DS_Store",
1065                "src/.DS_Store",
1066                "src/lib.rs",
1067                "src/foo/foo.rs",
1068                "src/foo/another.rs",
1069                "src/bar/bar.rs",
1070                ".gitignore",
1071            ],
1072        )
1073    });
1074
1075    let new_excluded_dir = dir.path().join("build_output");
1076    let new_ignored_dir = dir.path().join("test_output");
1077    std::fs::create_dir_all(&new_excluded_dir)
1078        .unwrap_or_else(|e| panic!("Failed to create a {new_excluded_dir:?} directory: {e}"));
1079    std::fs::create_dir_all(&new_ignored_dir)
1080        .unwrap_or_else(|e| panic!("Failed to create a {new_ignored_dir:?} directory: {e}"));
1081    let node_modules_dir = dir.path().join("node_modules");
1082    let dot_git_dir = dir.path().join(".git");
1083    let src_dir = dir.path().join("src");
1084    for existing_dir in [&node_modules_dir, &dot_git_dir, &src_dir] {
1085        assert!(
1086            existing_dir.is_dir(),
1087            "Expect {existing_dir:?} to be present in the FS already"
1088        );
1089    }
1090
1091    for directory_for_new_file in [
1092        new_excluded_dir,
1093        new_ignored_dir,
1094        node_modules_dir,
1095        dot_git_dir,
1096        src_dir,
1097    ] {
1098        std::fs::write(directory_for_new_file.join("new_file"), "new file contents")
1099            .unwrap_or_else(|e| {
1100                panic!("Failed to create in {directory_for_new_file:?} a new file: {e}")
1101            });
1102    }
1103    tree.flush_fs_events(cx).await;
1104
1105    tree.read_with(cx, |tree, _| {
1106        check_worktree_entries(
1107            tree,
1108            &[
1109                ".git/HEAD",
1110                ".git/foo",
1111                ".git/new_file",
1112                "node_modules/.DS_Store",
1113                "node_modules/prettier",
1114                "node_modules/prettier/package.json",
1115                "node_modules/new_file",
1116                "build_output",
1117                "build_output/new_file",
1118                "test_output/new_file",
1119            ],
1120            &["target", "node_modules", "test_output"],
1121            &[
1122                ".DS_Store",
1123                "src/.DS_Store",
1124                "src/lib.rs",
1125                "src/foo/foo.rs",
1126                "src/foo/another.rs",
1127                "src/bar/bar.rs",
1128                "src/new_file",
1129                ".gitignore",
1130            ],
1131        )
1132    });
1133}
1134
1135#[gpui::test(iterations = 30)]
1136async fn test_create_directory_during_initial_scan(cx: &mut TestAppContext) {
1137    init_test(cx);
1138    let fs = FakeFs::new(cx.background_executor.clone());
1139    fs.insert_tree(
1140        "/root",
1141        json!({
1142            "b": {},
1143            "c": {},
1144            "d": {},
1145        }),
1146    )
1147    .await;
1148
1149    let tree = Worktree::local(
1150        build_client(cx),
1151        "/root".as_ref(),
1152        true,
1153        fs,
1154        Default::default(),
1155        &mut cx.to_async(),
1156    )
1157    .await
1158    .unwrap();
1159
1160    let snapshot1 = tree.update(cx, |tree, cx| {
1161        let tree = tree.as_local_mut().unwrap();
1162        let snapshot = Arc::new(Mutex::new(tree.snapshot()));
1163        let _ = tree.observe_updates(0, cx, {
1164            let snapshot = snapshot.clone();
1165            move |update| {
1166                snapshot.lock().apply_remote_update(update).unwrap();
1167                async { true }
1168            }
1169        });
1170        snapshot
1171    });
1172
1173    let entry = tree
1174        .update(cx, |tree, cx| {
1175            tree.as_local_mut()
1176                .unwrap()
1177                .create_entry("a/e".as_ref(), true, cx)
1178        })
1179        .await
1180        .unwrap();
1181    assert!(entry.is_dir());
1182
1183    cx.executor().run_until_parked();
1184    tree.read_with(cx, |tree, _| {
1185        assert_eq!(tree.entry_for_path("a/e").unwrap().kind, EntryKind::Dir);
1186    });
1187
1188    let snapshot2 = tree.update(cx, |tree, _| tree.as_local().unwrap().snapshot());
1189    assert_eq!(
1190        snapshot1.lock().entries(true).collect::<Vec<_>>(),
1191        snapshot2.entries(true).collect::<Vec<_>>()
1192    );
1193}
1194
1195#[gpui::test]
1196async fn test_create_dir_all_on_create_entry(cx: &mut TestAppContext) {
1197    init_test(cx);
1198    cx.executor().allow_parking();
1199    let client_fake = cx.update(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
1200
1201    let fs_fake = FakeFs::new(cx.background_executor.clone());
1202    fs_fake
1203        .insert_tree(
1204            "/root",
1205            json!({
1206                "a": {},
1207            }),
1208        )
1209        .await;
1210
1211    let tree_fake = Worktree::local(
1212        client_fake,
1213        "/root".as_ref(),
1214        true,
1215        fs_fake,
1216        Default::default(),
1217        &mut cx.to_async(),
1218    )
1219    .await
1220    .unwrap();
1221
1222    let entry = tree_fake
1223        .update(cx, |tree, cx| {
1224            tree.as_local_mut()
1225                .unwrap()
1226                .create_entry("a/b/c/d.txt".as_ref(), false, cx)
1227        })
1228        .await
1229        .unwrap();
1230    assert!(entry.is_file());
1231
1232    cx.executor().run_until_parked();
1233    tree_fake.read_with(cx, |tree, _| {
1234        assert!(tree.entry_for_path("a/b/c/d.txt").unwrap().is_file());
1235        assert!(tree.entry_for_path("a/b/c/").unwrap().is_dir());
1236        assert!(tree.entry_for_path("a/b/").unwrap().is_dir());
1237    });
1238
1239    let client_real = cx.update(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
1240
1241    let fs_real = Arc::new(RealFs);
1242    let temp_root = temp_tree(json!({
1243        "a": {}
1244    }));
1245
1246    let tree_real = Worktree::local(
1247        client_real,
1248        temp_root.path(),
1249        true,
1250        fs_real,
1251        Default::default(),
1252        &mut cx.to_async(),
1253    )
1254    .await
1255    .unwrap();
1256
1257    let entry = tree_real
1258        .update(cx, |tree, cx| {
1259            tree.as_local_mut()
1260                .unwrap()
1261                .create_entry("a/b/c/d.txt".as_ref(), false, cx)
1262        })
1263        .await
1264        .unwrap();
1265    assert!(entry.is_file());
1266
1267    cx.executor().run_until_parked();
1268    tree_real.read_with(cx, |tree, _| {
1269        assert!(tree.entry_for_path("a/b/c/d.txt").unwrap().is_file());
1270        assert!(tree.entry_for_path("a/b/c/").unwrap().is_dir());
1271        assert!(tree.entry_for_path("a/b/").unwrap().is_dir());
1272    });
1273
1274    // Test smallest change
1275    let entry = tree_real
1276        .update(cx, |tree, cx| {
1277            tree.as_local_mut()
1278                .unwrap()
1279                .create_entry("a/b/c/e.txt".as_ref(), false, cx)
1280        })
1281        .await
1282        .unwrap();
1283    assert!(entry.is_file());
1284
1285    cx.executor().run_until_parked();
1286    tree_real.read_with(cx, |tree, _| {
1287        assert!(tree.entry_for_path("a/b/c/e.txt").unwrap().is_file());
1288    });
1289
1290    // Test largest change
1291    let entry = tree_real
1292        .update(cx, |tree, cx| {
1293            tree.as_local_mut()
1294                .unwrap()
1295                .create_entry("d/e/f/g.txt".as_ref(), false, cx)
1296        })
1297        .await
1298        .unwrap();
1299    assert!(entry.is_file());
1300
1301    cx.executor().run_until_parked();
1302    tree_real.read_with(cx, |tree, _| {
1303        assert!(tree.entry_for_path("d/e/f/g.txt").unwrap().is_file());
1304        assert!(tree.entry_for_path("d/e/f").unwrap().is_dir());
1305        assert!(tree.entry_for_path("d/e/").unwrap().is_dir());
1306        assert!(tree.entry_for_path("d/").unwrap().is_dir());
1307    });
1308}
1309
1310#[gpui::test(iterations = 100)]
1311async fn test_random_worktree_operations_during_initial_scan(
1312    cx: &mut TestAppContext,
1313    mut rng: StdRng,
1314) {
1315    init_test(cx);
1316    let operations = env::var("OPERATIONS")
1317        .map(|o| o.parse().unwrap())
1318        .unwrap_or(5);
1319    let initial_entries = env::var("INITIAL_ENTRIES")
1320        .map(|o| o.parse().unwrap())
1321        .unwrap_or(20);
1322
1323    let root_dir = Path::new("/test");
1324    let fs = FakeFs::new(cx.background_executor.clone()) as Arc<dyn Fs>;
1325    fs.as_fake().insert_tree(root_dir, json!({})).await;
1326    for _ in 0..initial_entries {
1327        randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1328    }
1329    log::info!("generated initial tree");
1330
1331    let worktree = Worktree::local(
1332        build_client(cx),
1333        root_dir,
1334        true,
1335        fs.clone(),
1336        Default::default(),
1337        &mut cx.to_async(),
1338    )
1339    .await
1340    .unwrap();
1341
1342    let mut snapshots = vec![worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot())];
1343    let updates = Arc::new(Mutex::new(Vec::new()));
1344    worktree.update(cx, |tree, cx| {
1345        check_worktree_change_events(tree, cx);
1346
1347        let _ = tree.as_local_mut().unwrap().observe_updates(0, cx, {
1348            let updates = updates.clone();
1349            move |update| {
1350                updates.lock().push(update);
1351                async { true }
1352            }
1353        });
1354    });
1355
1356    for _ in 0..operations {
1357        worktree
1358            .update(cx, |worktree, cx| {
1359                randomly_mutate_worktree(worktree, &mut rng, cx)
1360            })
1361            .await
1362            .log_err();
1363        worktree.read_with(cx, |tree, _| {
1364            tree.as_local().unwrap().snapshot().check_invariants(true)
1365        });
1366
1367        if rng.gen_bool(0.6) {
1368            snapshots.push(worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot()));
1369        }
1370    }
1371
1372    worktree
1373        .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1374        .await;
1375
1376    cx.executor().run_until_parked();
1377
1378    let final_snapshot = worktree.read_with(cx, |tree, _| {
1379        let tree = tree.as_local().unwrap();
1380        let snapshot = tree.snapshot();
1381        snapshot.check_invariants(true);
1382        snapshot
1383    });
1384
1385    for (i, snapshot) in snapshots.into_iter().enumerate().rev() {
1386        let mut updated_snapshot = snapshot.clone();
1387        for update in updates.lock().iter() {
1388            if update.scan_id >= updated_snapshot.scan_id() as u64 {
1389                updated_snapshot
1390                    .apply_remote_update(update.clone())
1391                    .unwrap();
1392            }
1393        }
1394
1395        assert_eq!(
1396            updated_snapshot.entries(true).collect::<Vec<_>>(),
1397            final_snapshot.entries(true).collect::<Vec<_>>(),
1398            "wrong updates after snapshot {i}: {snapshot:#?} {updates:#?}",
1399        );
1400    }
1401}
1402
1403#[gpui::test(iterations = 100)]
1404async fn test_random_worktree_changes(cx: &mut TestAppContext, mut rng: StdRng) {
1405    init_test(cx);
1406    let operations = env::var("OPERATIONS")
1407        .map(|o| o.parse().unwrap())
1408        .unwrap_or(40);
1409    let initial_entries = env::var("INITIAL_ENTRIES")
1410        .map(|o| o.parse().unwrap())
1411        .unwrap_or(20);
1412
1413    let root_dir = Path::new("/test");
1414    let fs = FakeFs::new(cx.background_executor.clone()) as Arc<dyn Fs>;
1415    fs.as_fake().insert_tree(root_dir, json!({})).await;
1416    for _ in 0..initial_entries {
1417        randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1418    }
1419    log::info!("generated initial tree");
1420
1421    let worktree = Worktree::local(
1422        build_client(cx),
1423        root_dir,
1424        true,
1425        fs.clone(),
1426        Default::default(),
1427        &mut cx.to_async(),
1428    )
1429    .await
1430    .unwrap();
1431
1432    let updates = Arc::new(Mutex::new(Vec::new()));
1433    worktree.update(cx, |tree, cx| {
1434        check_worktree_change_events(tree, cx);
1435
1436        let _ = tree.as_local_mut().unwrap().observe_updates(0, cx, {
1437            let updates = updates.clone();
1438            move |update| {
1439                updates.lock().push(update);
1440                async { true }
1441            }
1442        });
1443    });
1444
1445    worktree
1446        .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1447        .await;
1448
1449    fs.as_fake().pause_events();
1450    let mut snapshots = Vec::new();
1451    let mut mutations_len = operations;
1452    while mutations_len > 1 {
1453        if rng.gen_bool(0.2) {
1454            worktree
1455                .update(cx, |worktree, cx| {
1456                    randomly_mutate_worktree(worktree, &mut rng, cx)
1457                })
1458                .await
1459                .log_err();
1460        } else {
1461            randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
1462        }
1463
1464        let buffered_event_count = fs.as_fake().buffered_event_count();
1465        if buffered_event_count > 0 && rng.gen_bool(0.3) {
1466            let len = rng.gen_range(0..=buffered_event_count);
1467            log::info!("flushing {} events", len);
1468            fs.as_fake().flush_events(len);
1469        } else {
1470            randomly_mutate_fs(&fs, root_dir, 0.6, &mut rng).await;
1471            mutations_len -= 1;
1472        }
1473
1474        cx.executor().run_until_parked();
1475        if rng.gen_bool(0.2) {
1476            log::info!("storing snapshot {}", snapshots.len());
1477            let snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1478            snapshots.push(snapshot);
1479        }
1480    }
1481
1482    log::info!("quiescing");
1483    fs.as_fake().flush_events(usize::MAX);
1484    cx.executor().run_until_parked();
1485
1486    let snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1487    snapshot.check_invariants(true);
1488    let expanded_paths = snapshot
1489        .expanded_entries()
1490        .map(|e| e.path.clone())
1491        .collect::<Vec<_>>();
1492
1493    {
1494        let new_worktree = Worktree::local(
1495            build_client(cx),
1496            root_dir,
1497            true,
1498            fs.clone(),
1499            Default::default(),
1500            &mut cx.to_async(),
1501        )
1502        .await
1503        .unwrap();
1504        new_worktree
1505            .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
1506            .await;
1507        new_worktree
1508            .update(cx, |tree, _| {
1509                tree.as_local_mut()
1510                    .unwrap()
1511                    .refresh_entries_for_paths(expanded_paths)
1512            })
1513            .recv()
1514            .await;
1515        let new_snapshot =
1516            new_worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
1517        assert_eq!(
1518            snapshot.entries_without_ids(true),
1519            new_snapshot.entries_without_ids(true)
1520        );
1521    }
1522
1523    for (i, mut prev_snapshot) in snapshots.into_iter().enumerate().rev() {
1524        for update in updates.lock().iter() {
1525            if update.scan_id >= prev_snapshot.scan_id() as u64 {
1526                prev_snapshot.apply_remote_update(update.clone()).unwrap();
1527            }
1528        }
1529
1530        assert_eq!(
1531            prev_snapshot
1532                .entries(true)
1533                .map(ignore_pending_dir)
1534                .collect::<Vec<_>>(),
1535            snapshot
1536                .entries(true)
1537                .map(ignore_pending_dir)
1538                .collect::<Vec<_>>(),
1539            "wrong updates after snapshot {i}: {updates:#?}",
1540        );
1541    }
1542
1543    fn ignore_pending_dir(entry: &Entry) -> Entry {
1544        let mut entry = entry.clone();
1545        if entry.kind.is_dir() {
1546            entry.kind = EntryKind::Dir
1547        }
1548        entry
1549    }
1550}
1551
1552// The worktree's `UpdatedEntries` event can be used to follow along with
1553// all changes to the worktree's snapshot.
1554fn check_worktree_change_events(tree: &mut Worktree, cx: &mut ModelContext<Worktree>) {
1555    let mut entries = tree.entries(true).cloned().collect::<Vec<_>>();
1556    cx.subscribe(&cx.handle(), move |tree, _, event, _| {
1557        if let Event::UpdatedEntries(changes) = event {
1558            for (path, _, change_type) in changes.iter() {
1559                let entry = tree.entry_for_path(&path).cloned();
1560                let ix = match entries.binary_search_by_key(&path, |e| &e.path) {
1561                    Ok(ix) | Err(ix) => ix,
1562                };
1563                match change_type {
1564                    PathChange::Added => entries.insert(ix, entry.unwrap()),
1565                    PathChange::Removed => drop(entries.remove(ix)),
1566                    PathChange::Updated => {
1567                        let entry = entry.unwrap();
1568                        let existing_entry = entries.get_mut(ix).unwrap();
1569                        assert_eq!(existing_entry.path, entry.path);
1570                        *existing_entry = entry;
1571                    }
1572                    PathChange::AddedOrUpdated | PathChange::Loaded => {
1573                        let entry = entry.unwrap();
1574                        if entries.get(ix).map(|e| &e.path) == Some(&entry.path) {
1575                            *entries.get_mut(ix).unwrap() = entry;
1576                        } else {
1577                            entries.insert(ix, entry);
1578                        }
1579                    }
1580                }
1581            }
1582
1583            let new_entries = tree.entries(true).cloned().collect::<Vec<_>>();
1584            assert_eq!(entries, new_entries, "incorrect changes: {:?}", changes);
1585        }
1586    })
1587    .detach();
1588}
1589
1590fn randomly_mutate_worktree(
1591    worktree: &mut Worktree,
1592    rng: &mut impl Rng,
1593    cx: &mut ModelContext<Worktree>,
1594) -> Task<Result<()>> {
1595    log::info!("mutating worktree");
1596    let worktree = worktree.as_local_mut().unwrap();
1597    let snapshot = worktree.snapshot();
1598    let entry = snapshot.entries(false).choose(rng).unwrap();
1599
1600    match rng.gen_range(0_u32..100) {
1601        0..=33 if entry.path.as_ref() != Path::new("") => {
1602            log::info!("deleting entry {:?} ({})", entry.path, entry.id.0);
1603            worktree.delete_entry(entry.id, cx).unwrap()
1604        }
1605        ..=66 if entry.path.as_ref() != Path::new("") => {
1606            let other_entry = snapshot.entries(false).choose(rng).unwrap();
1607            let new_parent_path = if other_entry.is_dir() {
1608                other_entry.path.clone()
1609            } else {
1610                other_entry.path.parent().unwrap().into()
1611            };
1612            let mut new_path = new_parent_path.join(random_filename(rng));
1613            if new_path.starts_with(&entry.path) {
1614                new_path = random_filename(rng).into();
1615            }
1616
1617            log::info!(
1618                "renaming entry {:?} ({}) to {:?}",
1619                entry.path,
1620                entry.id.0,
1621                new_path
1622            );
1623            let task = worktree.rename_entry(entry.id, new_path, cx).unwrap();
1624            cx.background_executor().spawn(async move {
1625                task.await?;
1626                Ok(())
1627            })
1628        }
1629        _ => {
1630            let task = if entry.is_dir() {
1631                let child_path = entry.path.join(random_filename(rng));
1632                let is_dir = rng.gen_bool(0.3);
1633                log::info!(
1634                    "creating {} at {:?}",
1635                    if is_dir { "dir" } else { "file" },
1636                    child_path,
1637                );
1638                worktree.create_entry(child_path, is_dir, cx)
1639            } else {
1640                log::info!("overwriting file {:?} ({})", entry.path, entry.id.0);
1641                worktree.write_file(entry.path.clone(), "".into(), Default::default(), cx)
1642            };
1643            cx.background_executor().spawn(async move {
1644                task.await?;
1645                Ok(())
1646            })
1647        }
1648    }
1649}
1650
1651async fn randomly_mutate_fs(
1652    fs: &Arc<dyn Fs>,
1653    root_path: &Path,
1654    insertion_probability: f64,
1655    rng: &mut impl Rng,
1656) {
1657    log::info!("mutating fs");
1658    let mut files = Vec::new();
1659    let mut dirs = Vec::new();
1660    for path in fs.as_fake().paths(false) {
1661        if path.starts_with(root_path) {
1662            if fs.is_file(&path).await {
1663                files.push(path);
1664            } else {
1665                dirs.push(path);
1666            }
1667        }
1668    }
1669
1670    if (files.is_empty() && dirs.len() == 1) || rng.gen_bool(insertion_probability) {
1671        let path = dirs.choose(rng).unwrap();
1672        let new_path = path.join(random_filename(rng));
1673
1674        if rng.gen() {
1675            log::info!(
1676                "creating dir {:?}",
1677                new_path.strip_prefix(root_path).unwrap()
1678            );
1679            fs.create_dir(&new_path).await.unwrap();
1680        } else {
1681            log::info!(
1682                "creating file {:?}",
1683                new_path.strip_prefix(root_path).unwrap()
1684            );
1685            fs.create_file(&new_path, Default::default()).await.unwrap();
1686        }
1687    } else if rng.gen_bool(0.05) {
1688        let ignore_dir_path = dirs.choose(rng).unwrap();
1689        let ignore_path = ignore_dir_path.join(&*GITIGNORE);
1690
1691        let subdirs = dirs
1692            .iter()
1693            .filter(|d| d.starts_with(&ignore_dir_path))
1694            .cloned()
1695            .collect::<Vec<_>>();
1696        let subfiles = files
1697            .iter()
1698            .filter(|d| d.starts_with(&ignore_dir_path))
1699            .cloned()
1700            .collect::<Vec<_>>();
1701        let files_to_ignore = {
1702            let len = rng.gen_range(0..=subfiles.len());
1703            subfiles.choose_multiple(rng, len)
1704        };
1705        let dirs_to_ignore = {
1706            let len = rng.gen_range(0..subdirs.len());
1707            subdirs.choose_multiple(rng, len)
1708        };
1709
1710        let mut ignore_contents = String::new();
1711        for path_to_ignore in files_to_ignore.chain(dirs_to_ignore) {
1712            writeln!(
1713                ignore_contents,
1714                "{}",
1715                path_to_ignore
1716                    .strip_prefix(&ignore_dir_path)
1717                    .unwrap()
1718                    .to_str()
1719                    .unwrap()
1720            )
1721            .unwrap();
1722        }
1723        log::info!(
1724            "creating gitignore {:?} with contents:\n{}",
1725            ignore_path.strip_prefix(&root_path).unwrap(),
1726            ignore_contents
1727        );
1728        fs.save(
1729            &ignore_path,
1730            &ignore_contents.as_str().into(),
1731            Default::default(),
1732        )
1733        .await
1734        .unwrap();
1735    } else {
1736        let old_path = {
1737            let file_path = files.choose(rng);
1738            let dir_path = dirs[1..].choose(rng);
1739            file_path.into_iter().chain(dir_path).choose(rng).unwrap()
1740        };
1741
1742        let is_rename = rng.gen();
1743        if is_rename {
1744            let new_path_parent = dirs
1745                .iter()
1746                .filter(|d| !d.starts_with(old_path))
1747                .choose(rng)
1748                .unwrap();
1749
1750            let overwrite_existing_dir =
1751                !old_path.starts_with(&new_path_parent) && rng.gen_bool(0.3);
1752            let new_path = if overwrite_existing_dir {
1753                fs.remove_dir(
1754                    &new_path_parent,
1755                    RemoveOptions {
1756                        recursive: true,
1757                        ignore_if_not_exists: true,
1758                    },
1759                )
1760                .await
1761                .unwrap();
1762                new_path_parent.to_path_buf()
1763            } else {
1764                new_path_parent.join(random_filename(rng))
1765            };
1766
1767            log::info!(
1768                "renaming {:?} to {}{:?}",
1769                old_path.strip_prefix(&root_path).unwrap(),
1770                if overwrite_existing_dir {
1771                    "overwrite "
1772                } else {
1773                    ""
1774                },
1775                new_path.strip_prefix(&root_path).unwrap()
1776            );
1777            fs.rename(
1778                &old_path,
1779                &new_path,
1780                fs::RenameOptions {
1781                    overwrite: true,
1782                    ignore_if_exists: true,
1783                },
1784            )
1785            .await
1786            .unwrap();
1787        } else if fs.is_file(&old_path).await {
1788            log::info!(
1789                "deleting file {:?}",
1790                old_path.strip_prefix(&root_path).unwrap()
1791            );
1792            fs.remove_file(old_path, Default::default()).await.unwrap();
1793        } else {
1794            log::info!(
1795                "deleting dir {:?}",
1796                old_path.strip_prefix(&root_path).unwrap()
1797            );
1798            fs.remove_dir(
1799                &old_path,
1800                RemoveOptions {
1801                    recursive: true,
1802                    ignore_if_not_exists: true,
1803                },
1804            )
1805            .await
1806            .unwrap();
1807        }
1808    }
1809}
1810
1811fn random_filename(rng: &mut impl Rng) -> String {
1812    (0..6)
1813        .map(|_| rng.sample(rand::distributions::Alphanumeric))
1814        .map(char::from)
1815        .collect()
1816}
1817
1818#[gpui::test]
1819async fn test_rename_work_directory(cx: &mut TestAppContext) {
1820    init_test(cx);
1821    cx.executor().allow_parking();
1822    let root = temp_tree(json!({
1823        "projects": {
1824            "project1": {
1825                "a": "",
1826                "b": "",
1827            }
1828        },
1829
1830    }));
1831    let root_path = root.path();
1832
1833    let tree = Worktree::local(
1834        build_client(cx),
1835        root_path,
1836        true,
1837        Arc::new(RealFs),
1838        Default::default(),
1839        &mut cx.to_async(),
1840    )
1841    .await
1842    .unwrap();
1843
1844    let repo = git_init(&root_path.join("projects/project1"));
1845    git_add("a", &repo);
1846    git_commit("init", &repo);
1847    std::fs::write(root_path.join("projects/project1/a"), "aa").ok();
1848
1849    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1850        .await;
1851
1852    tree.flush_fs_events(cx).await;
1853
1854    cx.read(|cx| {
1855        let tree = tree.read(cx);
1856        let (work_dir, _) = tree.repositories().next().unwrap();
1857        assert_eq!(work_dir.as_ref(), Path::new("projects/project1"));
1858        assert_eq!(
1859            tree.status_for_file(Path::new("projects/project1/a")),
1860            Some(GitFileStatus::Modified)
1861        );
1862        assert_eq!(
1863            tree.status_for_file(Path::new("projects/project1/b")),
1864            Some(GitFileStatus::Added)
1865        );
1866    });
1867
1868    std::fs::rename(
1869        root_path.join("projects/project1"),
1870        root_path.join("projects/project2"),
1871    )
1872    .ok();
1873    tree.flush_fs_events(cx).await;
1874
1875    cx.read(|cx| {
1876        let tree = tree.read(cx);
1877        let (work_dir, _) = tree.repositories().next().unwrap();
1878        assert_eq!(work_dir.as_ref(), Path::new("projects/project2"));
1879        assert_eq!(
1880            tree.status_for_file(Path::new("projects/project2/a")),
1881            Some(GitFileStatus::Modified)
1882        );
1883        assert_eq!(
1884            tree.status_for_file(Path::new("projects/project2/b")),
1885            Some(GitFileStatus::Added)
1886        );
1887    });
1888}
1889
1890#[gpui::test]
1891async fn test_git_repository_for_path(cx: &mut TestAppContext) {
1892    init_test(cx);
1893    cx.executor().allow_parking();
1894    let root = temp_tree(json!({
1895        "c.txt": "",
1896        "dir1": {
1897            ".git": {},
1898            "deps": {
1899                "dep1": {
1900                    ".git": {},
1901                    "src": {
1902                        "a.txt": ""
1903                    }
1904                }
1905            },
1906            "src": {
1907                "b.txt": ""
1908            }
1909        },
1910    }));
1911
1912    let tree = Worktree::local(
1913        build_client(cx),
1914        root.path(),
1915        true,
1916        Arc::new(RealFs),
1917        Default::default(),
1918        &mut cx.to_async(),
1919    )
1920    .await
1921    .unwrap();
1922
1923    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
1924        .await;
1925    tree.flush_fs_events(cx).await;
1926
1927    tree.read_with(cx, |tree, _cx| {
1928        let tree = tree.as_local().unwrap();
1929
1930        assert!(tree.repository_for_path("c.txt".as_ref()).is_none());
1931
1932        let entry = tree.repository_for_path("dir1/src/b.txt".as_ref()).unwrap();
1933        assert_eq!(
1934            entry
1935                .work_directory(tree)
1936                .map(|directory| directory.as_ref().to_owned()),
1937            Some(Path::new("dir1").to_owned())
1938        );
1939
1940        let entry = tree
1941            .repository_for_path("dir1/deps/dep1/src/a.txt".as_ref())
1942            .unwrap();
1943        assert_eq!(
1944            entry
1945                .work_directory(tree)
1946                .map(|directory| directory.as_ref().to_owned()),
1947            Some(Path::new("dir1/deps/dep1").to_owned())
1948        );
1949
1950        let entries = tree.files(false, 0);
1951
1952        let paths_with_repos = tree
1953            .entries_with_repositories(entries)
1954            .map(|(entry, repo)| {
1955                (
1956                    entry.path.as_ref(),
1957                    repo.and_then(|repo| {
1958                        repo.work_directory(&tree)
1959                            .map(|work_directory| work_directory.0.to_path_buf())
1960                    }),
1961                )
1962            })
1963            .collect::<Vec<_>>();
1964
1965        assert_eq!(
1966            paths_with_repos,
1967            &[
1968                (Path::new("c.txt"), None),
1969                (
1970                    Path::new("dir1/deps/dep1/src/a.txt"),
1971                    Some(Path::new("dir1/deps/dep1").into())
1972                ),
1973                (Path::new("dir1/src/b.txt"), Some(Path::new("dir1").into())),
1974            ]
1975        );
1976    });
1977
1978    let repo_update_events = Arc::new(Mutex::new(vec![]));
1979    tree.update(cx, |_, cx| {
1980        let repo_update_events = repo_update_events.clone();
1981        cx.subscribe(&tree, move |_, _, event, _| {
1982            if let Event::UpdatedGitRepositories(update) = event {
1983                repo_update_events.lock().push(update.clone());
1984            }
1985        })
1986        .detach();
1987    });
1988
1989    std::fs::write(root.path().join("dir1/.git/random_new_file"), "hello").unwrap();
1990    tree.flush_fs_events(cx).await;
1991
1992    assert_eq!(
1993        repo_update_events.lock()[0]
1994            .iter()
1995            .map(|e| e.0.clone())
1996            .collect::<Vec<Arc<Path>>>(),
1997        vec![Path::new("dir1").into()]
1998    );
1999
2000    std::fs::remove_dir_all(root.path().join("dir1/.git")).unwrap();
2001    tree.flush_fs_events(cx).await;
2002
2003    tree.read_with(cx, |tree, _cx| {
2004        let tree = tree.as_local().unwrap();
2005
2006        assert!(tree
2007            .repository_for_path("dir1/src/b.txt".as_ref())
2008            .is_none());
2009    });
2010}
2011
2012#[gpui::test]
2013async fn test_git_status(cx: &mut TestAppContext) {
2014    init_test(cx);
2015    cx.executor().allow_parking();
2016    const IGNORE_RULE: &'static str = "**/target";
2017
2018    let root = temp_tree(json!({
2019        "project": {
2020            "a.txt": "a",
2021            "b.txt": "bb",
2022            "c": {
2023                "d": {
2024                    "e.txt": "eee"
2025                }
2026            },
2027            "f.txt": "ffff",
2028            "target": {
2029                "build_file": "???"
2030            },
2031            ".gitignore": IGNORE_RULE
2032        },
2033
2034    }));
2035
2036    const A_TXT: &'static str = "a.txt";
2037    const B_TXT: &'static str = "b.txt";
2038    const E_TXT: &'static str = "c/d/e.txt";
2039    const F_TXT: &'static str = "f.txt";
2040    const DOTGITIGNORE: &'static str = ".gitignore";
2041    const BUILD_FILE: &'static str = "target/build_file";
2042    let project_path = Path::new("project");
2043
2044    // Set up git repository before creating the worktree.
2045    let work_dir = root.path().join("project");
2046    let mut repo = git_init(work_dir.as_path());
2047    repo.add_ignore_rule(IGNORE_RULE).unwrap();
2048    git_add(A_TXT, &repo);
2049    git_add(E_TXT, &repo);
2050    git_add(DOTGITIGNORE, &repo);
2051    git_commit("Initial commit", &repo);
2052
2053    let tree = Worktree::local(
2054        build_client(cx),
2055        root.path(),
2056        true,
2057        Arc::new(RealFs),
2058        Default::default(),
2059        &mut cx.to_async(),
2060    )
2061    .await
2062    .unwrap();
2063
2064    tree.flush_fs_events(cx).await;
2065    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
2066        .await;
2067    cx.executor().run_until_parked();
2068
2069    // Check that the right git state is observed on startup
2070    tree.read_with(cx, |tree, _cx| {
2071        let snapshot = tree.snapshot();
2072        assert_eq!(snapshot.repositories().count(), 1);
2073        let (dir, _) = snapshot.repositories().next().unwrap();
2074        assert_eq!(dir.as_ref(), Path::new("project"));
2075
2076        assert_eq!(
2077            snapshot.status_for_file(project_path.join(B_TXT)),
2078            Some(GitFileStatus::Added)
2079        );
2080        assert_eq!(
2081            snapshot.status_for_file(project_path.join(F_TXT)),
2082            Some(GitFileStatus::Added)
2083        );
2084    });
2085
2086    // Modify a file in the working copy.
2087    std::fs::write(work_dir.join(A_TXT), "aa").unwrap();
2088    tree.flush_fs_events(cx).await;
2089    cx.executor().run_until_parked();
2090
2091    // The worktree detects that the file's git status has changed.
2092    tree.read_with(cx, |tree, _cx| {
2093        let snapshot = tree.snapshot();
2094        assert_eq!(
2095            snapshot.status_for_file(project_path.join(A_TXT)),
2096            Some(GitFileStatus::Modified)
2097        );
2098    });
2099
2100    // Create a commit in the git repository.
2101    git_add(A_TXT, &repo);
2102    git_add(B_TXT, &repo);
2103    git_commit("Committing modified and added", &repo);
2104    tree.flush_fs_events(cx).await;
2105    cx.executor().run_until_parked();
2106
2107    // The worktree detects that the files' git status have changed.
2108    tree.read_with(cx, |tree, _cx| {
2109        let snapshot = tree.snapshot();
2110        assert_eq!(
2111            snapshot.status_for_file(project_path.join(F_TXT)),
2112            Some(GitFileStatus::Added)
2113        );
2114        assert_eq!(snapshot.status_for_file(project_path.join(B_TXT)), None);
2115        assert_eq!(snapshot.status_for_file(project_path.join(A_TXT)), None);
2116    });
2117
2118    // Modify files in the working copy and perform git operations on other files.
2119    git_reset(0, &repo);
2120    git_remove_index(Path::new(B_TXT), &repo);
2121    git_stash(&mut repo);
2122    std::fs::write(work_dir.join(E_TXT), "eeee").unwrap();
2123    std::fs::write(work_dir.join(BUILD_FILE), "this should be ignored").unwrap();
2124    tree.flush_fs_events(cx).await;
2125    cx.executor().run_until_parked();
2126
2127    // Check that more complex repo changes are tracked
2128    tree.read_with(cx, |tree, _cx| {
2129        let snapshot = tree.snapshot();
2130
2131        assert_eq!(snapshot.status_for_file(project_path.join(A_TXT)), None);
2132        assert_eq!(
2133            snapshot.status_for_file(project_path.join(B_TXT)),
2134            Some(GitFileStatus::Added)
2135        );
2136        assert_eq!(
2137            snapshot.status_for_file(project_path.join(E_TXT)),
2138            Some(GitFileStatus::Modified)
2139        );
2140    });
2141
2142    std::fs::remove_file(work_dir.join(B_TXT)).unwrap();
2143    std::fs::remove_dir_all(work_dir.join("c")).unwrap();
2144    std::fs::write(
2145        work_dir.join(DOTGITIGNORE),
2146        [IGNORE_RULE, "f.txt"].join("\n"),
2147    )
2148    .unwrap();
2149
2150    git_add(Path::new(DOTGITIGNORE), &repo);
2151    git_commit("Committing modified git ignore", &repo);
2152
2153    tree.flush_fs_events(cx).await;
2154    cx.executor().run_until_parked();
2155
2156    let mut renamed_dir_name = "first_directory/second_directory";
2157    const RENAMED_FILE: &'static str = "rf.txt";
2158
2159    std::fs::create_dir_all(work_dir.join(renamed_dir_name)).unwrap();
2160    std::fs::write(
2161        work_dir.join(renamed_dir_name).join(RENAMED_FILE),
2162        "new-contents",
2163    )
2164    .unwrap();
2165
2166    tree.flush_fs_events(cx).await;
2167    cx.executor().run_until_parked();
2168
2169    tree.read_with(cx, |tree, _cx| {
2170        let snapshot = tree.snapshot();
2171        assert_eq!(
2172            snapshot.status_for_file(&project_path.join(renamed_dir_name).join(RENAMED_FILE)),
2173            Some(GitFileStatus::Added)
2174        );
2175    });
2176
2177    renamed_dir_name = "new_first_directory/second_directory";
2178
2179    std::fs::rename(
2180        work_dir.join("first_directory"),
2181        work_dir.join("new_first_directory"),
2182    )
2183    .unwrap();
2184
2185    tree.flush_fs_events(cx).await;
2186    cx.executor().run_until_parked();
2187
2188    tree.read_with(cx, |tree, _cx| {
2189        let snapshot = tree.snapshot();
2190
2191        assert_eq!(
2192            snapshot.status_for_file(
2193                project_path
2194                    .join(Path::new(renamed_dir_name))
2195                    .join(RENAMED_FILE)
2196            ),
2197            Some(GitFileStatus::Added)
2198        );
2199    });
2200}
2201
2202#[gpui::test]
2203async fn test_propagate_git_statuses(cx: &mut TestAppContext) {
2204    init_test(cx);
2205    let fs = FakeFs::new(cx.background_executor.clone());
2206    fs.insert_tree(
2207        "/root",
2208        json!({
2209            ".git": {},
2210            "a": {
2211                "b": {
2212                    "c1.txt": "",
2213                    "c2.txt": "",
2214                },
2215                "d": {
2216                    "e1.txt": "",
2217                    "e2.txt": "",
2218                    "e3.txt": "",
2219                }
2220            },
2221            "f": {
2222                "no-status.txt": ""
2223            },
2224            "g": {
2225                "h1.txt": "",
2226                "h2.txt": ""
2227            },
2228
2229        }),
2230    )
2231    .await;
2232
2233    fs.set_status_for_repo_via_git_operation(
2234        &Path::new("/root/.git"),
2235        &[
2236            (Path::new("a/b/c1.txt"), GitFileStatus::Added),
2237            (Path::new("a/d/e2.txt"), GitFileStatus::Modified),
2238            (Path::new("g/h2.txt"), GitFileStatus::Conflict),
2239        ],
2240    );
2241
2242    let tree = Worktree::local(
2243        build_client(cx),
2244        Path::new("/root"),
2245        true,
2246        fs.clone(),
2247        Default::default(),
2248        &mut cx.to_async(),
2249    )
2250    .await
2251    .unwrap();
2252
2253    cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
2254        .await;
2255
2256    cx.executor().run_until_parked();
2257    let snapshot = tree.read_with(cx, |tree, _| tree.snapshot());
2258
2259    check_propagated_statuses(
2260        &snapshot,
2261        &[
2262            (Path::new(""), Some(GitFileStatus::Conflict)),
2263            (Path::new("a"), Some(GitFileStatus::Modified)),
2264            (Path::new("a/b"), Some(GitFileStatus::Added)),
2265            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2266            (Path::new("a/b/c2.txt"), None),
2267            (Path::new("a/d"), Some(GitFileStatus::Modified)),
2268            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2269            (Path::new("f"), None),
2270            (Path::new("f/no-status.txt"), None),
2271            (Path::new("g"), Some(GitFileStatus::Conflict)),
2272            (Path::new("g/h2.txt"), Some(GitFileStatus::Conflict)),
2273        ],
2274    );
2275
2276    check_propagated_statuses(
2277        &snapshot,
2278        &[
2279            (Path::new("a/b"), Some(GitFileStatus::Added)),
2280            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2281            (Path::new("a/b/c2.txt"), None),
2282            (Path::new("a/d"), Some(GitFileStatus::Modified)),
2283            (Path::new("a/d/e1.txt"), None),
2284            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2285            (Path::new("f"), None),
2286            (Path::new("f/no-status.txt"), None),
2287            (Path::new("g"), Some(GitFileStatus::Conflict)),
2288        ],
2289    );
2290
2291    check_propagated_statuses(
2292        &snapshot,
2293        &[
2294            (Path::new("a/b/c1.txt"), Some(GitFileStatus::Added)),
2295            (Path::new("a/b/c2.txt"), None),
2296            (Path::new("a/d/e1.txt"), None),
2297            (Path::new("a/d/e2.txt"), Some(GitFileStatus::Modified)),
2298            (Path::new("f/no-status.txt"), None),
2299        ],
2300    );
2301
2302    #[track_caller]
2303    fn check_propagated_statuses(
2304        snapshot: &Snapshot,
2305        expected_statuses: &[(&Path, Option<GitFileStatus>)],
2306    ) {
2307        let mut entries = expected_statuses
2308            .iter()
2309            .map(|(path, _)| snapshot.entry_for_path(path).unwrap().clone())
2310            .collect::<Vec<_>>();
2311        snapshot.propagate_git_statuses(&mut entries);
2312        assert_eq!(
2313            entries
2314                .iter()
2315                .map(|e| (e.path.as_ref(), e.git_status))
2316                .collect::<Vec<_>>(),
2317            expected_statuses
2318        );
2319    }
2320}
2321
2322fn build_client(cx: &mut TestAppContext) -> Arc<Client> {
2323    let http_client = FakeHttpClient::with_404_response();
2324    cx.update(|cx| Client::new(http_client, cx))
2325}
2326
2327#[track_caller]
2328fn git_init(path: &Path) -> git2::Repository {
2329    git2::Repository::init(path).expect("Failed to initialize git repository")
2330}
2331
2332#[track_caller]
2333fn git_add<P: AsRef<Path>>(path: P, repo: &git2::Repository) {
2334    let path = path.as_ref();
2335    let mut index = repo.index().expect("Failed to get index");
2336    index.add_path(path).expect("Failed to add a.txt");
2337    index.write().expect("Failed to write index");
2338}
2339
2340#[track_caller]
2341fn git_remove_index(path: &Path, repo: &git2::Repository) {
2342    let mut index = repo.index().expect("Failed to get index");
2343    index.remove_path(path).expect("Failed to add a.txt");
2344    index.write().expect("Failed to write index");
2345}
2346
2347#[track_caller]
2348fn git_commit(msg: &'static str, repo: &git2::Repository) {
2349    use git2::Signature;
2350
2351    let signature = Signature::now("test", "test@zed.dev").unwrap();
2352    let oid = repo.index().unwrap().write_tree().unwrap();
2353    let tree = repo.find_tree(oid).unwrap();
2354    if let Some(head) = repo.head().ok() {
2355        let parent_obj = head.peel(git2::ObjectType::Commit).unwrap();
2356
2357        let parent_commit = parent_obj.as_commit().unwrap();
2358
2359        repo.commit(
2360            Some("HEAD"),
2361            &signature,
2362            &signature,
2363            msg,
2364            &tree,
2365            &[parent_commit],
2366        )
2367        .expect("Failed to commit with parent");
2368    } else {
2369        repo.commit(Some("HEAD"), &signature, &signature, msg, &tree, &[])
2370            .expect("Failed to commit");
2371    }
2372}
2373
2374#[track_caller]
2375fn git_stash(repo: &mut git2::Repository) {
2376    use git2::Signature;
2377
2378    let signature = Signature::now("test", "test@zed.dev").unwrap();
2379    repo.stash_save(&signature, "N/A", None)
2380        .expect("Failed to stash");
2381}
2382
2383#[track_caller]
2384fn git_reset(offset: usize, repo: &git2::Repository) {
2385    let head = repo.head().expect("Couldn't get repo head");
2386    let object = head.peel(git2::ObjectType::Commit).unwrap();
2387    let commit = object.as_commit().unwrap();
2388    let new_head = commit
2389        .parents()
2390        .inspect(|parnet| {
2391            parnet.message();
2392        })
2393        .skip(offset)
2394        .next()
2395        .expect("Not enough history");
2396    repo.reset(&new_head.as_object(), git2::ResetType::Soft, None)
2397        .expect("Could not reset");
2398}
2399
2400#[allow(dead_code)]
2401#[track_caller]
2402fn git_status(repo: &git2::Repository) -> collections::HashMap<String, git2::Status> {
2403    repo.statuses(None)
2404        .unwrap()
2405        .iter()
2406        .map(|status| (status.path().unwrap().to_string(), status.status()))
2407        .collect()
2408}
2409
2410#[track_caller]
2411fn check_worktree_entries(
2412    tree: &Worktree,
2413    expected_excluded_paths: &[&str],
2414    expected_ignored_paths: &[&str],
2415    expected_tracked_paths: &[&str],
2416) {
2417    for path in expected_excluded_paths {
2418        let entry = tree.entry_for_path(path);
2419        assert!(
2420            entry.is_none(),
2421            "expected path '{path}' to be excluded, but got entry: {entry:?}",
2422        );
2423    }
2424    for path in expected_ignored_paths {
2425        let entry = tree
2426            .entry_for_path(path)
2427            .unwrap_or_else(|| panic!("Missing entry for expected ignored path '{path}'"));
2428        assert!(
2429            entry.is_ignored,
2430            "expected path '{path}' to be ignored, but got entry: {entry:?}",
2431        );
2432    }
2433    for path in expected_tracked_paths {
2434        let entry = tree
2435            .entry_for_path(path)
2436            .unwrap_or_else(|| panic!("Missing entry for expected tracked path '{path}'"));
2437        assert!(
2438            !entry.is_ignored,
2439            "expected path '{path}' to be tracked, but got entry: {entry:?}",
2440        );
2441    }
2442}
2443
2444fn init_test(cx: &mut gpui::TestAppContext) {
2445    cx.update(|cx| {
2446        let settings_store = SettingsStore::test(cx);
2447        cx.set_global(settings_store);
2448        Project::init_settings(cx);
2449    });
2450}