random_project_collaboration_tests.rs

   1use super::{RandomizedTest, TestClient, TestError, TestServer, UserTestPlan};
   2use crate::{db::UserId, tests::run_randomized_test};
   3use anyhow::{anyhow, Result};
   4use async_trait::async_trait;
   5use call::ActiveCall;
   6use collections::{BTreeMap, HashMap};
   7use editor::Bias;
   8use fs::{FakeFs, Fs as _};
   9use git::status::{FileStatus, StatusCode, TrackedStatus, UnmergedStatus, UnmergedStatusCode};
  10use gpui::{BackgroundExecutor, Entity, TestAppContext};
  11use language::{
  12    range_to_lsp, FakeLspAdapter, Language, LanguageConfig, LanguageMatcher, PointUtf16,
  13};
  14use lsp::FakeLanguageServer;
  15use pretty_assertions::assert_eq;
  16use project::{
  17    search::SearchQuery, search::SearchResult, Project, ProjectPath, DEFAULT_COMPLETION_CONTEXT,
  18};
  19use rand::{
  20    distributions::{Alphanumeric, DistString},
  21    prelude::*,
  22};
  23use serde::{Deserialize, Serialize};
  24use std::{
  25    ops::{Deref, Range},
  26    path::{Path, PathBuf},
  27    rc::Rc,
  28    sync::Arc,
  29};
  30use util::{path, ResultExt};
  31
  32#[gpui::test(
  33    iterations = 100,
  34    on_failure = "crate::tests::save_randomized_test_plan"
  35)]
  36async fn test_random_project_collaboration(
  37    cx: &mut TestAppContext,
  38    executor: BackgroundExecutor,
  39    rng: StdRng,
  40) {
  41    run_randomized_test::<ProjectCollaborationTest>(cx, executor, rng).await;
  42}
  43
  44#[derive(Clone, Debug, Serialize, Deserialize)]
  45enum ClientOperation {
  46    AcceptIncomingCall,
  47    RejectIncomingCall,
  48    LeaveCall,
  49    InviteContactToCall {
  50        user_id: UserId,
  51    },
  52    OpenLocalProject {
  53        first_root_name: String,
  54    },
  55    OpenRemoteProject {
  56        host_id: UserId,
  57        first_root_name: String,
  58    },
  59    AddWorktreeToProject {
  60        project_root_name: String,
  61        new_root_path: PathBuf,
  62    },
  63    CloseRemoteProject {
  64        project_root_name: String,
  65    },
  66    OpenBuffer {
  67        project_root_name: String,
  68        is_local: bool,
  69        full_path: PathBuf,
  70    },
  71    SearchProject {
  72        project_root_name: String,
  73        is_local: bool,
  74        query: String,
  75        detach: bool,
  76    },
  77    EditBuffer {
  78        project_root_name: String,
  79        is_local: bool,
  80        full_path: PathBuf,
  81        edits: Vec<(Range<usize>, Arc<str>)>,
  82    },
  83    CloseBuffer {
  84        project_root_name: String,
  85        is_local: bool,
  86        full_path: PathBuf,
  87    },
  88    SaveBuffer {
  89        project_root_name: String,
  90        is_local: bool,
  91        full_path: PathBuf,
  92        detach: bool,
  93    },
  94    RequestLspDataInBuffer {
  95        project_root_name: String,
  96        is_local: bool,
  97        full_path: PathBuf,
  98        offset: usize,
  99        kind: LspRequestKind,
 100        detach: bool,
 101    },
 102    CreateWorktreeEntry {
 103        project_root_name: String,
 104        is_local: bool,
 105        full_path: PathBuf,
 106        is_dir: bool,
 107    },
 108    WriteFsEntry {
 109        path: PathBuf,
 110        is_dir: bool,
 111        content: String,
 112    },
 113    GitOperation {
 114        operation: GitOperation,
 115    },
 116}
 117
 118#[derive(Clone, Debug, Serialize, Deserialize)]
 119enum GitOperation {
 120    WriteGitIndex {
 121        repo_path: PathBuf,
 122        contents: Vec<(PathBuf, String)>,
 123    },
 124    WriteGitBranch {
 125        repo_path: PathBuf,
 126        new_branch: Option<String>,
 127    },
 128    WriteGitStatuses {
 129        repo_path: PathBuf,
 130        statuses: Vec<(PathBuf, FileStatus)>,
 131    },
 132}
 133
 134#[derive(Clone, Debug, Serialize, Deserialize)]
 135enum LspRequestKind {
 136    Rename,
 137    Completion,
 138    CodeAction,
 139    Definition,
 140    Highlights,
 141}
 142
 143struct ProjectCollaborationTest;
 144
 145#[async_trait(?Send)]
 146impl RandomizedTest for ProjectCollaborationTest {
 147    type Operation = ClientOperation;
 148
 149    async fn initialize(server: &mut TestServer, users: &[UserTestPlan]) {
 150        let db = &server.app_state.db;
 151        for (ix, user_a) in users.iter().enumerate() {
 152            for user_b in &users[ix + 1..] {
 153                db.send_contact_request(user_a.user_id, user_b.user_id)
 154                    .await
 155                    .unwrap();
 156                db.respond_to_contact_request(user_b.user_id, user_a.user_id, true)
 157                    .await
 158                    .unwrap();
 159            }
 160        }
 161    }
 162
 163    fn generate_operation(
 164        client: &TestClient,
 165        rng: &mut StdRng,
 166        plan: &mut UserTestPlan,
 167        cx: &TestAppContext,
 168    ) -> ClientOperation {
 169        let call = cx.read(ActiveCall::global);
 170        loop {
 171            match rng.gen_range(0..100_u32) {
 172                // Mutate the call
 173                0..=29 => {
 174                    // Respond to an incoming call
 175                    if call.read_with(cx, |call, _| call.incoming().borrow().is_some()) {
 176                        break if rng.gen_bool(0.7) {
 177                            ClientOperation::AcceptIncomingCall
 178                        } else {
 179                            ClientOperation::RejectIncomingCall
 180                        };
 181                    }
 182
 183                    match rng.gen_range(0..100_u32) {
 184                        // Invite a contact to the current call
 185                        0..=70 => {
 186                            let available_contacts =
 187                                client.user_store().read_with(cx, |user_store, _| {
 188                                    user_store
 189                                        .contacts()
 190                                        .iter()
 191                                        .filter(|contact| contact.online && !contact.busy)
 192                                        .cloned()
 193                                        .collect::<Vec<_>>()
 194                                });
 195                            if !available_contacts.is_empty() {
 196                                let contact = available_contacts.choose(rng).unwrap();
 197                                break ClientOperation::InviteContactToCall {
 198                                    user_id: UserId(contact.user.id as i32),
 199                                };
 200                            }
 201                        }
 202
 203                        // Leave the current call
 204                        71.. => {
 205                            if plan.allow_client_disconnection
 206                                && call.read_with(cx, |call, _| call.room().is_some())
 207                            {
 208                                break ClientOperation::LeaveCall;
 209                            }
 210                        }
 211                    }
 212                }
 213
 214                // Mutate projects
 215                30..=59 => match rng.gen_range(0..100_u32) {
 216                    // Open a new project
 217                    0..=70 => {
 218                        // Open a remote project
 219                        if let Some(room) = call.read_with(cx, |call, _| call.room().cloned()) {
 220                            let existing_dev_server_project_ids = cx.read(|cx| {
 221                                client
 222                                    .dev_server_projects()
 223                                    .iter()
 224                                    .map(|p| p.read(cx).remote_id().unwrap())
 225                                    .collect::<Vec<_>>()
 226                            });
 227                            let new_dev_server_projects = room.read_with(cx, |room, _| {
 228                                room.remote_participants()
 229                                    .values()
 230                                    .flat_map(|participant| {
 231                                        participant.projects.iter().filter_map(|project| {
 232                                            if existing_dev_server_project_ids.contains(&project.id)
 233                                            {
 234                                                None
 235                                            } else {
 236                                                Some((
 237                                                    UserId::from_proto(participant.user.id),
 238                                                    project.worktree_root_names[0].clone(),
 239                                                ))
 240                                            }
 241                                        })
 242                                    })
 243                                    .collect::<Vec<_>>()
 244                            });
 245                            if !new_dev_server_projects.is_empty() {
 246                                let (host_id, first_root_name) =
 247                                    new_dev_server_projects.choose(rng).unwrap().clone();
 248                                break ClientOperation::OpenRemoteProject {
 249                                    host_id,
 250                                    first_root_name,
 251                                };
 252                            }
 253                        }
 254                        // Open a local project
 255                        else {
 256                            let first_root_name = plan.next_root_dir_name();
 257                            break ClientOperation::OpenLocalProject { first_root_name };
 258                        }
 259                    }
 260
 261                    // Close a remote project
 262                    71..=80 => {
 263                        if !client.dev_server_projects().is_empty() {
 264                            let project = client.dev_server_projects().choose(rng).unwrap().clone();
 265                            let first_root_name = root_name_for_project(&project, cx);
 266                            break ClientOperation::CloseRemoteProject {
 267                                project_root_name: first_root_name,
 268                            };
 269                        }
 270                    }
 271
 272                    // Mutate project worktrees
 273                    81.. => match rng.gen_range(0..100_u32) {
 274                        // Add a worktree to a local project
 275                        0..=50 => {
 276                            let Some(project) = client.local_projects().choose(rng).cloned() else {
 277                                continue;
 278                            };
 279                            let project_root_name = root_name_for_project(&project, cx);
 280                            let mut paths = client.fs().paths(false);
 281                            paths.remove(0);
 282                            let new_root_path = if paths.is_empty() || rng.r#gen() {
 283                                Path::new(path!("/")).join(plan.next_root_dir_name())
 284                            } else {
 285                                paths.choose(rng).unwrap().clone()
 286                            };
 287                            break ClientOperation::AddWorktreeToProject {
 288                                project_root_name,
 289                                new_root_path,
 290                            };
 291                        }
 292
 293                        // Add an entry to a worktree
 294                        _ => {
 295                            let Some(project) = choose_random_project(client, rng) else {
 296                                continue;
 297                            };
 298                            let project_root_name = root_name_for_project(&project, cx);
 299                            let is_local = project.read_with(cx, |project, _| project.is_local());
 300                            let worktree = project.read_with(cx, |project, cx| {
 301                                project
 302                                    .worktrees(cx)
 303                                    .filter(|worktree| {
 304                                        let worktree = worktree.read(cx);
 305                                        worktree.is_visible()
 306                                            && worktree.entries(false, 0).any(|e| e.is_file())
 307                                            && worktree.root_entry().map_or(false, |e| e.is_dir())
 308                                    })
 309                                    .choose(rng)
 310                            });
 311                            let Some(worktree) = worktree else { continue };
 312                            let is_dir = rng.r#gen::<bool>();
 313                            let mut full_path =
 314                                worktree.read_with(cx, |w, _| PathBuf::from(w.root_name()));
 315                            full_path.push(gen_file_name(rng));
 316                            if !is_dir {
 317                                full_path.set_extension("rs");
 318                            }
 319                            break ClientOperation::CreateWorktreeEntry {
 320                                project_root_name,
 321                                is_local,
 322                                full_path,
 323                                is_dir,
 324                            };
 325                        }
 326                    },
 327                },
 328
 329                // Query and mutate buffers
 330                60..=90 => {
 331                    let Some(project) = choose_random_project(client, rng) else {
 332                        continue;
 333                    };
 334                    let project_root_name = root_name_for_project(&project, cx);
 335                    let is_local = project.read_with(cx, |project, _| project.is_local());
 336
 337                    match rng.gen_range(0..100_u32) {
 338                        // Manipulate an existing buffer
 339                        0..=70 => {
 340                            let Some(buffer) = client
 341                                .buffers_for_project(&project)
 342                                .iter()
 343                                .choose(rng)
 344                                .cloned()
 345                            else {
 346                                continue;
 347                            };
 348
 349                            let full_path = buffer
 350                                .read_with(cx, |buffer, cx| buffer.file().unwrap().full_path(cx));
 351
 352                            match rng.gen_range(0..100_u32) {
 353                                // Close the buffer
 354                                0..=15 => {
 355                                    break ClientOperation::CloseBuffer {
 356                                        project_root_name,
 357                                        is_local,
 358                                        full_path,
 359                                    };
 360                                }
 361                                // Save the buffer
 362                                16..=29 if buffer.read_with(cx, |b, _| b.is_dirty()) => {
 363                                    let detach = rng.gen_bool(0.3);
 364                                    break ClientOperation::SaveBuffer {
 365                                        project_root_name,
 366                                        is_local,
 367                                        full_path,
 368                                        detach,
 369                                    };
 370                                }
 371                                // Edit the buffer
 372                                30..=69 => {
 373                                    let edits = buffer
 374                                        .read_with(cx, |buffer, _| buffer.get_random_edits(rng, 3));
 375                                    break ClientOperation::EditBuffer {
 376                                        project_root_name,
 377                                        is_local,
 378                                        full_path,
 379                                        edits,
 380                                    };
 381                                }
 382                                // Make an LSP request
 383                                _ => {
 384                                    let offset = buffer.read_with(cx, |buffer, _| {
 385                                        buffer.clip_offset(
 386                                            rng.gen_range(0..=buffer.len()),
 387                                            language::Bias::Left,
 388                                        )
 389                                    });
 390                                    let detach = rng.r#gen();
 391                                    break ClientOperation::RequestLspDataInBuffer {
 392                                        project_root_name,
 393                                        full_path,
 394                                        offset,
 395                                        is_local,
 396                                        kind: match rng.gen_range(0..5_u32) {
 397                                            0 => LspRequestKind::Rename,
 398                                            1 => LspRequestKind::Highlights,
 399                                            2 => LspRequestKind::Definition,
 400                                            3 => LspRequestKind::CodeAction,
 401                                            4.. => LspRequestKind::Completion,
 402                                        },
 403                                        detach,
 404                                    };
 405                                }
 406                            }
 407                        }
 408
 409                        71..=80 => {
 410                            let query = rng.gen_range('a'..='z').to_string();
 411                            let detach = rng.gen_bool(0.3);
 412                            break ClientOperation::SearchProject {
 413                                project_root_name,
 414                                is_local,
 415                                query,
 416                                detach,
 417                            };
 418                        }
 419
 420                        // Open a buffer
 421                        81.. => {
 422                            let worktree = project.read_with(cx, |project, cx| {
 423                                project
 424                                    .worktrees(cx)
 425                                    .filter(|worktree| {
 426                                        let worktree = worktree.read(cx);
 427                                        worktree.is_visible()
 428                                            && worktree.entries(false, 0).any(|e| e.is_file())
 429                                    })
 430                                    .choose(rng)
 431                            });
 432                            let Some(worktree) = worktree else { continue };
 433                            let full_path = worktree.read_with(cx, |worktree, _| {
 434                                let entry = worktree
 435                                    .entries(false, 0)
 436                                    .filter(|e| e.is_file())
 437                                    .choose(rng)
 438                                    .unwrap();
 439                                if entry.path.as_ref() == Path::new("") {
 440                                    Path::new(worktree.root_name()).into()
 441                                } else {
 442                                    Path::new(worktree.root_name()).join(&entry.path)
 443                                }
 444                            });
 445                            break ClientOperation::OpenBuffer {
 446                                project_root_name,
 447                                is_local,
 448                                full_path,
 449                            };
 450                        }
 451                    }
 452                }
 453
 454                // Update a git related action
 455                91..=95 => {
 456                    break ClientOperation::GitOperation {
 457                        operation: generate_git_operation(rng, client),
 458                    };
 459                }
 460
 461                // Create or update a file or directory
 462                96.. => {
 463                    let is_dir = rng.r#gen::<bool>();
 464                    let content;
 465                    let mut path;
 466                    let dir_paths = client.fs().directories(false);
 467
 468                    if is_dir {
 469                        content = String::new();
 470                        path = dir_paths.choose(rng).unwrap().clone();
 471                        path.push(gen_file_name(rng));
 472                    } else {
 473                        content = Alphanumeric.sample_string(rng, 16);
 474
 475                        // Create a new file or overwrite an existing file
 476                        let file_paths = client.fs().files();
 477                        if file_paths.is_empty() || rng.gen_bool(0.5) {
 478                            path = dir_paths.choose(rng).unwrap().clone();
 479                            path.push(gen_file_name(rng));
 480                            path.set_extension("rs");
 481                        } else {
 482                            path = file_paths.choose(rng).unwrap().clone()
 483                        };
 484                    }
 485                    break ClientOperation::WriteFsEntry {
 486                        path,
 487                        is_dir,
 488                        content,
 489                    };
 490                }
 491            }
 492        }
 493    }
 494
 495    async fn apply_operation(
 496        client: &TestClient,
 497        operation: ClientOperation,
 498        cx: &mut TestAppContext,
 499    ) -> Result<(), TestError> {
 500        match operation {
 501            ClientOperation::AcceptIncomingCall => {
 502                let active_call = cx.read(ActiveCall::global);
 503                if active_call.read_with(cx, |call, _| call.incoming().borrow().is_none()) {
 504                    Err(TestError::Inapplicable)?;
 505                }
 506
 507                log::info!("{}: accepting incoming call", client.username);
 508                active_call
 509                    .update(cx, |call, cx| call.accept_incoming(cx))
 510                    .await?;
 511            }
 512
 513            ClientOperation::RejectIncomingCall => {
 514                let active_call = cx.read(ActiveCall::global);
 515                if active_call.read_with(cx, |call, _| call.incoming().borrow().is_none()) {
 516                    Err(TestError::Inapplicable)?;
 517                }
 518
 519                log::info!("{}: declining incoming call", client.username);
 520                active_call.update(cx, |call, cx| call.decline_incoming(cx))?;
 521            }
 522
 523            ClientOperation::LeaveCall => {
 524                let active_call = cx.read(ActiveCall::global);
 525                if active_call.read_with(cx, |call, _| call.room().is_none()) {
 526                    Err(TestError::Inapplicable)?;
 527                }
 528
 529                log::info!("{}: hanging up", client.username);
 530                active_call.update(cx, |call, cx| call.hang_up(cx)).await?;
 531            }
 532
 533            ClientOperation::InviteContactToCall { user_id } => {
 534                let active_call = cx.read(ActiveCall::global);
 535
 536                log::info!("{}: inviting {}", client.username, user_id,);
 537                active_call
 538                    .update(cx, |call, cx| call.invite(user_id.to_proto(), None, cx))
 539                    .await
 540                    .log_err();
 541            }
 542
 543            ClientOperation::OpenLocalProject { first_root_name } => {
 544                log::info!(
 545                    "{}: opening local project at {:?}",
 546                    client.username,
 547                    first_root_name
 548                );
 549
 550                let root_path = Path::new(path!("/")).join(&first_root_name);
 551                client.fs().create_dir(&root_path).await.unwrap();
 552                client
 553                    .fs()
 554                    .create_file(&root_path.join("main.rs"), Default::default())
 555                    .await
 556                    .unwrap();
 557                let project = client.build_local_project(root_path, cx).await.0;
 558                ensure_project_shared(&project, client, cx).await;
 559                client.local_projects_mut().push(project.clone());
 560            }
 561
 562            ClientOperation::AddWorktreeToProject {
 563                project_root_name,
 564                new_root_path,
 565            } => {
 566                let project = project_for_root_name(client, &project_root_name, cx)
 567                    .ok_or(TestError::Inapplicable)?;
 568
 569                log::info!(
 570                    "{}: finding/creating local worktree at {:?} to project with root path {}",
 571                    client.username,
 572                    new_root_path,
 573                    project_root_name
 574                );
 575
 576                ensure_project_shared(&project, client, cx).await;
 577                if !client.fs().paths(false).contains(&new_root_path) {
 578                    client.fs().create_dir(&new_root_path).await.unwrap();
 579                }
 580                project
 581                    .update(cx, |project, cx| {
 582                        project.find_or_create_worktree(&new_root_path, true, cx)
 583                    })
 584                    .await
 585                    .unwrap();
 586            }
 587
 588            ClientOperation::CloseRemoteProject { project_root_name } => {
 589                let project = project_for_root_name(client, &project_root_name, cx)
 590                    .ok_or(TestError::Inapplicable)?;
 591
 592                log::info!(
 593                    "{}: closing remote project with root path {}",
 594                    client.username,
 595                    project_root_name,
 596                );
 597
 598                let ix = client
 599                    .dev_server_projects()
 600                    .iter()
 601                    .position(|p| p == &project)
 602                    .unwrap();
 603                cx.update(|_| {
 604                    client.dev_server_projects_mut().remove(ix);
 605                    client.buffers().retain(|p, _| *p != project);
 606                    drop(project);
 607                });
 608            }
 609
 610            ClientOperation::OpenRemoteProject {
 611                host_id,
 612                first_root_name,
 613            } => {
 614                let active_call = cx.read(ActiveCall::global);
 615                let project = active_call
 616                    .update(cx, |call, cx| {
 617                        let room = call.room().cloned()?;
 618                        let participant = room
 619                            .read(cx)
 620                            .remote_participants()
 621                            .get(&host_id.to_proto())?;
 622                        let project_id = participant
 623                            .projects
 624                            .iter()
 625                            .find(|project| project.worktree_root_names[0] == first_root_name)?
 626                            .id;
 627                        Some(room.update(cx, |room, cx| {
 628                            room.join_project(
 629                                project_id,
 630                                client.language_registry().clone(),
 631                                FakeFs::new(cx.background_executor().clone()),
 632                                cx,
 633                            )
 634                        }))
 635                    })
 636                    .ok_or(TestError::Inapplicable)?;
 637
 638                log::info!(
 639                    "{}: joining remote project of user {}, root name {}",
 640                    client.username,
 641                    host_id,
 642                    first_root_name,
 643                );
 644
 645                let project = project.await?;
 646                client.dev_server_projects_mut().push(project.clone());
 647            }
 648
 649            ClientOperation::CreateWorktreeEntry {
 650                project_root_name,
 651                is_local,
 652                full_path,
 653                is_dir,
 654            } => {
 655                let project = project_for_root_name(client, &project_root_name, cx)
 656                    .ok_or(TestError::Inapplicable)?;
 657                let project_path = project_path_for_full_path(&project, &full_path, cx)
 658                    .ok_or(TestError::Inapplicable)?;
 659
 660                log::info!(
 661                    "{}: creating {} at path {:?} in {} project {}",
 662                    client.username,
 663                    if is_dir { "dir" } else { "file" },
 664                    full_path,
 665                    if is_local { "local" } else { "remote" },
 666                    project_root_name,
 667                );
 668
 669                ensure_project_shared(&project, client, cx).await;
 670                project
 671                    .update(cx, |p, cx| p.create_entry(project_path, is_dir, cx))
 672                    .await?;
 673            }
 674
 675            ClientOperation::OpenBuffer {
 676                project_root_name,
 677                is_local,
 678                full_path,
 679            } => {
 680                let project = project_for_root_name(client, &project_root_name, cx)
 681                    .ok_or(TestError::Inapplicable)?;
 682                let project_path = project_path_for_full_path(&project, &full_path, cx)
 683                    .ok_or(TestError::Inapplicable)?;
 684
 685                log::info!(
 686                    "{}: opening buffer {:?} in {} project {}",
 687                    client.username,
 688                    full_path,
 689                    if is_local { "local" } else { "remote" },
 690                    project_root_name,
 691                );
 692
 693                ensure_project_shared(&project, client, cx).await;
 694                let buffer = project
 695                    .update(cx, |project, cx| project.open_buffer(project_path, cx))
 696                    .await?;
 697                client.buffers_for_project(&project).insert(buffer);
 698            }
 699
 700            ClientOperation::EditBuffer {
 701                project_root_name,
 702                is_local,
 703                full_path,
 704                edits,
 705            } => {
 706                let project = project_for_root_name(client, &project_root_name, cx)
 707                    .ok_or(TestError::Inapplicable)?;
 708                let buffer = buffer_for_full_path(client, &project, &full_path, cx)
 709                    .ok_or(TestError::Inapplicable)?;
 710
 711                log::info!(
 712                    "{}: editing buffer {:?} in {} project {} with {:?}",
 713                    client.username,
 714                    full_path,
 715                    if is_local { "local" } else { "remote" },
 716                    project_root_name,
 717                    edits
 718                );
 719
 720                ensure_project_shared(&project, client, cx).await;
 721                buffer.update(cx, |buffer, cx| {
 722                    let snapshot = buffer.snapshot();
 723                    buffer.edit(
 724                        edits.into_iter().map(|(range, text)| {
 725                            let start = snapshot.clip_offset(range.start, Bias::Left);
 726                            let end = snapshot.clip_offset(range.end, Bias::Right);
 727                            (start..end, text)
 728                        }),
 729                        None,
 730                        cx,
 731                    );
 732                });
 733            }
 734
 735            ClientOperation::CloseBuffer {
 736                project_root_name,
 737                is_local,
 738                full_path,
 739            } => {
 740                let project = project_for_root_name(client, &project_root_name, cx)
 741                    .ok_or(TestError::Inapplicable)?;
 742                let buffer = buffer_for_full_path(client, &project, &full_path, cx)
 743                    .ok_or(TestError::Inapplicable)?;
 744
 745                log::info!(
 746                    "{}: closing buffer {:?} in {} project {}",
 747                    client.username,
 748                    full_path,
 749                    if is_local { "local" } else { "remote" },
 750                    project_root_name
 751                );
 752
 753                ensure_project_shared(&project, client, cx).await;
 754                cx.update(|_| {
 755                    client.buffers_for_project(&project).remove(&buffer);
 756                    drop(buffer);
 757                });
 758            }
 759
 760            ClientOperation::SaveBuffer {
 761                project_root_name,
 762                is_local,
 763                full_path,
 764                detach,
 765            } => {
 766                let project = project_for_root_name(client, &project_root_name, cx)
 767                    .ok_or(TestError::Inapplicable)?;
 768                let buffer = buffer_for_full_path(client, &project, &full_path, cx)
 769                    .ok_or(TestError::Inapplicable)?;
 770
 771                log::info!(
 772                    "{}: saving buffer {:?} in {} project {}, {}",
 773                    client.username,
 774                    full_path,
 775                    if is_local { "local" } else { "remote" },
 776                    project_root_name,
 777                    if detach { "detaching" } else { "awaiting" }
 778                );
 779
 780                ensure_project_shared(&project, client, cx).await;
 781                let requested_version = buffer.read_with(cx, |buffer, _| buffer.version());
 782                let save =
 783                    project.update(cx, |project, cx| project.save_buffer(buffer.clone(), cx));
 784                let save = cx.spawn(|cx| async move {
 785                    save.await
 786                        .map_err(|err| anyhow!("save request failed: {:?}", err))?;
 787                    assert!(buffer
 788                        .read_with(&cx, |buffer, _| { buffer.saved_version().to_owned() })
 789                        .expect("App should not be dropped")
 790                        .observed_all(&requested_version));
 791                    anyhow::Ok(())
 792                });
 793                if detach {
 794                    cx.update(|cx| save.detach_and_log_err(cx));
 795                } else {
 796                    save.await?;
 797                }
 798            }
 799
 800            ClientOperation::RequestLspDataInBuffer {
 801                project_root_name,
 802                is_local,
 803                full_path,
 804                offset,
 805                kind,
 806                detach,
 807            } => {
 808                let project = project_for_root_name(client, &project_root_name, cx)
 809                    .ok_or(TestError::Inapplicable)?;
 810                let buffer = buffer_for_full_path(client, &project, &full_path, cx)
 811                    .ok_or(TestError::Inapplicable)?;
 812
 813                log::info!(
 814                    "{}: request LSP {:?} for buffer {:?} in {} project {}, {}",
 815                    client.username,
 816                    kind,
 817                    full_path,
 818                    if is_local { "local" } else { "remote" },
 819                    project_root_name,
 820                    if detach { "detaching" } else { "awaiting" }
 821                );
 822
 823                use futures::{FutureExt as _, TryFutureExt as _};
 824                let offset = buffer.read_with(cx, |b, _| b.clip_offset(offset, Bias::Left));
 825
 826                let process_lsp_request = project.update(cx, |project, cx| match kind {
 827                    LspRequestKind::Rename => project
 828                        .prepare_rename(buffer, offset, cx)
 829                        .map_ok(|_| ())
 830                        .boxed(),
 831                    LspRequestKind::Completion => project
 832                        .completions(&buffer, offset, DEFAULT_COMPLETION_CONTEXT, cx)
 833                        .map_ok(|_| ())
 834                        .boxed(),
 835                    LspRequestKind::CodeAction => project
 836                        .code_actions(&buffer, offset..offset, None, cx)
 837                        .map(|_| Ok(()))
 838                        .boxed(),
 839                    LspRequestKind::Definition => project
 840                        .definition(&buffer, offset, cx)
 841                        .map_ok(|_| ())
 842                        .boxed(),
 843                    LspRequestKind::Highlights => project
 844                        .document_highlights(&buffer, offset, cx)
 845                        .map_ok(|_| ())
 846                        .boxed(),
 847                });
 848                let request = cx.foreground_executor().spawn(process_lsp_request);
 849                if detach {
 850                    request.detach();
 851                } else {
 852                    request.await?;
 853                }
 854            }
 855
 856            ClientOperation::SearchProject {
 857                project_root_name,
 858                is_local,
 859                query,
 860                detach,
 861            } => {
 862                let project = project_for_root_name(client, &project_root_name, cx)
 863                    .ok_or(TestError::Inapplicable)?;
 864
 865                log::info!(
 866                    "{}: search {} project {} for {:?}, {}",
 867                    client.username,
 868                    if is_local { "local" } else { "remote" },
 869                    project_root_name,
 870                    query,
 871                    if detach { "detaching" } else { "awaiting" }
 872                );
 873
 874                let search = project.update(cx, |project, cx| {
 875                    project.search(
 876                        SearchQuery::text(
 877                            query,
 878                            false,
 879                            false,
 880                            false,
 881                            Default::default(),
 882                            Default::default(),
 883                            None,
 884                        )
 885                        .unwrap(),
 886                        cx,
 887                    )
 888                });
 889                drop(project);
 890                let search = cx.executor().spawn(async move {
 891                    let mut results = HashMap::default();
 892                    while let Ok(result) = search.recv().await {
 893                        if let SearchResult::Buffer { buffer, ranges } = result {
 894                            results.entry(buffer).or_insert(ranges);
 895                        }
 896                    }
 897                    results
 898                });
 899                search.await;
 900            }
 901
 902            ClientOperation::WriteFsEntry {
 903                path,
 904                is_dir,
 905                content,
 906            } => {
 907                if !client
 908                    .fs()
 909                    .directories(false)
 910                    .contains(&path.parent().unwrap().to_owned())
 911                {
 912                    return Err(TestError::Inapplicable);
 913                }
 914
 915                if is_dir {
 916                    log::info!("{}: creating dir at {:?}", client.username, path);
 917                    client.fs().create_dir(&path).await.unwrap();
 918                } else {
 919                    let exists = client.fs().metadata(&path).await?.is_some();
 920                    let verb = if exists { "updating" } else { "creating" };
 921                    log::info!("{}: {} file at {:?}", verb, client.username, path);
 922
 923                    client
 924                        .fs()
 925                        .save(&path, &content.as_str().into(), text::LineEnding::Unix)
 926                        .await
 927                        .unwrap();
 928                }
 929            }
 930
 931            ClientOperation::GitOperation { operation } => match operation {
 932                GitOperation::WriteGitIndex {
 933                    repo_path,
 934                    contents,
 935                } => {
 936                    if !client.fs().directories(false).contains(&repo_path) {
 937                        return Err(TestError::Inapplicable);
 938                    }
 939
 940                    for (path, _) in contents.iter() {
 941                        if !client.fs().files().contains(&repo_path.join(path)) {
 942                            return Err(TestError::Inapplicable);
 943                        }
 944                    }
 945
 946                    log::info!(
 947                        "{}: writing git index for repo {:?}: {:?}",
 948                        client.username,
 949                        repo_path,
 950                        contents
 951                    );
 952
 953                    let dot_git_dir = repo_path.join(".git");
 954                    let contents = contents
 955                        .into_iter()
 956                        .map(|(path, contents)| (path.into(), contents))
 957                        .collect::<Vec<_>>();
 958                    if client.fs().metadata(&dot_git_dir).await?.is_none() {
 959                        client.fs().create_dir(&dot_git_dir).await?;
 960                    }
 961                    client.fs().set_index_for_repo(&dot_git_dir, &contents);
 962                }
 963                GitOperation::WriteGitBranch {
 964                    repo_path,
 965                    new_branch,
 966                } => {
 967                    if !client.fs().directories(false).contains(&repo_path) {
 968                        return Err(TestError::Inapplicable);
 969                    }
 970
 971                    log::info!(
 972                        "{}: writing git branch for repo {:?}: {:?}",
 973                        client.username,
 974                        repo_path,
 975                        new_branch
 976                    );
 977
 978                    let dot_git_dir = repo_path.join(".git");
 979                    if client.fs().metadata(&dot_git_dir).await?.is_none() {
 980                        client.fs().create_dir(&dot_git_dir).await?;
 981                    }
 982                    client
 983                        .fs()
 984                        .set_branch_name(&dot_git_dir, new_branch.clone());
 985                }
 986                GitOperation::WriteGitStatuses {
 987                    repo_path,
 988                    statuses,
 989                } => {
 990                    if !client.fs().directories(false).contains(&repo_path) {
 991                        return Err(TestError::Inapplicable);
 992                    }
 993                    for (path, _) in statuses.iter() {
 994                        if !client.fs().files().contains(&repo_path.join(path)) {
 995                            return Err(TestError::Inapplicable);
 996                        }
 997                    }
 998
 999                    log::info!(
1000                        "{}: writing git statuses for repo {:?}: {:?}",
1001                        client.username,
1002                        repo_path,
1003                        statuses
1004                    );
1005
1006                    let dot_git_dir = repo_path.join(".git");
1007
1008                    let statuses = statuses
1009                        .iter()
1010                        .map(|(path, val)| (path.as_path(), *val))
1011                        .collect::<Vec<_>>();
1012
1013                    if client.fs().metadata(&dot_git_dir).await?.is_none() {
1014                        client.fs().create_dir(&dot_git_dir).await?;
1015                    }
1016
1017                    client
1018                        .fs()
1019                        .set_status_for_repo(&dot_git_dir, statuses.as_slice());
1020                }
1021            },
1022        }
1023        Ok(())
1024    }
1025
1026    async fn on_client_added(client: &Rc<TestClient>, _: &mut TestAppContext) {
1027        client.language_registry().add(Arc::new(Language::new(
1028            LanguageConfig {
1029                name: "Rust".into(),
1030                matcher: LanguageMatcher {
1031                    path_suffixes: vec!["rs".to_string()],
1032                    ..Default::default()
1033                },
1034                ..Default::default()
1035            },
1036            None,
1037        )));
1038        client.language_registry().register_fake_lsp(
1039            "Rust",
1040            FakeLspAdapter {
1041                name: "the-fake-language-server",
1042                capabilities: lsp::LanguageServer::full_capabilities(),
1043                initializer: Some(Box::new({
1044                    let fs = client.app_state.fs.clone();
1045                    move |fake_server: &mut FakeLanguageServer| {
1046                        fake_server.set_request_handler::<lsp::request::Completion, _, _>(
1047                            |_, _| async move {
1048                                Ok(Some(lsp::CompletionResponse::Array(vec![
1049                                    lsp::CompletionItem {
1050                                        text_edit: Some(lsp::CompletionTextEdit::Edit(
1051                                            lsp::TextEdit {
1052                                                range: lsp::Range::new(
1053                                                    lsp::Position::new(0, 0),
1054                                                    lsp::Position::new(0, 0),
1055                                                ),
1056                                                new_text: "the-new-text".to_string(),
1057                                            },
1058                                        )),
1059                                        ..Default::default()
1060                                    },
1061                                ])))
1062                            },
1063                        );
1064
1065                        fake_server.set_request_handler::<lsp::request::CodeActionRequest, _, _>(
1066                            |_, _| async move {
1067                                Ok(Some(vec![lsp::CodeActionOrCommand::CodeAction(
1068                                    lsp::CodeAction {
1069                                        title: "the-code-action".to_string(),
1070                                        ..Default::default()
1071                                    },
1072                                )]))
1073                            },
1074                        );
1075
1076                        fake_server
1077                            .set_request_handler::<lsp::request::PrepareRenameRequest, _, _>(
1078                                |params, _| async move {
1079                                    Ok(Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
1080                                        params.position,
1081                                        params.position,
1082                                    ))))
1083                                },
1084                            );
1085
1086                        fake_server.set_request_handler::<lsp::request::GotoDefinition, _, _>({
1087                            let fs = fs.clone();
1088                            move |_, cx| {
1089                                let background = cx.background_executor();
1090                                let mut rng = background.rng();
1091                                let count = rng.gen_range::<usize, _>(1..3);
1092                                let files = fs.as_fake().files();
1093                                let files = (0..count)
1094                                    .map(|_| files.choose(&mut rng).unwrap().clone())
1095                                    .collect::<Vec<_>>();
1096                                async move {
1097                                    log::info!("LSP: Returning definitions in files {:?}", &files);
1098                                    Ok(Some(lsp::GotoDefinitionResponse::Array(
1099                                        files
1100                                            .into_iter()
1101                                            .map(|file| lsp::Location {
1102                                                uri: lsp::Url::from_file_path(file).unwrap(),
1103                                                range: Default::default(),
1104                                            })
1105                                            .collect(),
1106                                    )))
1107                                }
1108                            }
1109                        });
1110
1111                        fake_server
1112                            .set_request_handler::<lsp::request::DocumentHighlightRequest, _, _>(
1113                                move |_, cx| {
1114                                    let mut highlights = Vec::new();
1115                                    let background = cx.background_executor();
1116                                    let mut rng = background.rng();
1117
1118                                    let highlight_count = rng.gen_range(1..=5);
1119                                    for _ in 0..highlight_count {
1120                                        let start_row = rng.gen_range(0..100);
1121                                        let start_column = rng.gen_range(0..100);
1122                                        let end_row = rng.gen_range(0..100);
1123                                        let end_column = rng.gen_range(0..100);
1124                                        let start = PointUtf16::new(start_row, start_column);
1125                                        let end = PointUtf16::new(end_row, end_column);
1126                                        let range =
1127                                            if start > end { end..start } else { start..end };
1128                                        highlights.push(lsp::DocumentHighlight {
1129                                            range: range_to_lsp(range.clone()).unwrap(),
1130                                            kind: Some(lsp::DocumentHighlightKind::READ),
1131                                        });
1132                                    }
1133                                    highlights.sort_unstable_by_key(|highlight| {
1134                                        (highlight.range.start, highlight.range.end)
1135                                    });
1136                                    async move { Ok(Some(highlights)) }
1137                                },
1138                            );
1139                    }
1140                })),
1141                ..Default::default()
1142            },
1143        );
1144    }
1145
1146    async fn on_quiesce(_: &mut TestServer, clients: &mut [(Rc<TestClient>, TestAppContext)]) {
1147        for (client, client_cx) in clients.iter() {
1148            for guest_project in client.dev_server_projects().iter() {
1149                guest_project.read_with(client_cx, |guest_project, cx| {
1150                        let host_project = clients.iter().find_map(|(client, cx)| {
1151                            let project = client
1152                                .local_projects()
1153                                .iter()
1154                                .find(|host_project| {
1155                                    host_project.read_with(cx, |host_project, _| {
1156                                        host_project.remote_id() == guest_project.remote_id()
1157                                    })
1158                                })?
1159                                .clone();
1160                            Some((project, cx))
1161                        });
1162
1163                        if !guest_project.is_disconnected(cx) {
1164                            if let Some((host_project, host_cx)) = host_project {
1165                                let host_worktree_snapshots =
1166                                    host_project.read_with(host_cx, |host_project, cx| {
1167                                        host_project
1168                                            .worktrees(cx)
1169                                            .map(|worktree| {
1170                                                let worktree = worktree.read(cx);
1171                                                (worktree.id(), worktree.snapshot())
1172                                            })
1173                                            .collect::<BTreeMap<_, _>>()
1174                                    });
1175                                let guest_worktree_snapshots = guest_project
1176                                    .worktrees(cx)
1177                                    .map(|worktree| {
1178                                        let worktree = worktree.read(cx);
1179                                        (worktree.id(), worktree.snapshot())
1180                                    })
1181                                    .collect::<BTreeMap<_, _>>();
1182
1183                                assert_eq!(
1184                                    guest_worktree_snapshots.values().map(|w| w.abs_path()).collect::<Vec<_>>(),
1185                                    host_worktree_snapshots.values().map(|w| w.abs_path()).collect::<Vec<_>>(),
1186                                    "{} has different worktrees than the host for project {:?}",
1187                                    client.username, guest_project.remote_id(),
1188                                );
1189
1190                                for (id, host_snapshot) in &host_worktree_snapshots {
1191                                    let guest_snapshot = &guest_worktree_snapshots[id];
1192                                    assert_eq!(
1193                                        guest_snapshot.root_name(),
1194                                        host_snapshot.root_name(),
1195                                        "{} has different root name than the host for worktree {}, project {:?}",
1196                                        client.username,
1197                                        id,
1198                                        guest_project.remote_id(),
1199                                    );
1200                                    assert_eq!(
1201                                        guest_snapshot.abs_path(),
1202                                        host_snapshot.abs_path(),
1203                                        "{} has different abs path than the host for worktree {}, project: {:?}",
1204                                        client.username,
1205                                        id,
1206                                        guest_project.remote_id(),
1207                                    );
1208                                    assert_eq!(
1209                                        guest_snapshot.entries(false, 0).collect::<Vec<_>>(),
1210                                        host_snapshot.entries(false, 0).collect::<Vec<_>>(),
1211                                        "{} has different snapshot than the host for worktree {:?} ({:?}) and project {:?}",
1212                                        client.username,
1213                                        host_snapshot.abs_path(),
1214                                        id,
1215                                        guest_project.remote_id(),
1216                                    );
1217                                    assert_eq!(guest_snapshot.repositories().iter().collect::<Vec<_>>(), host_snapshot.repositories().iter().collect::<Vec<_>>(),
1218                                        "{} has different repositories than the host for worktree {:?} and project {:?}",
1219                                        client.username,
1220                                        host_snapshot.abs_path(),
1221                                        guest_project.remote_id(),
1222                                    );
1223                                    assert_eq!(guest_snapshot.scan_id(), host_snapshot.scan_id(),
1224                                        "{} has different scan id than the host for worktree {:?} and project {:?}",
1225                                        client.username,
1226                                        host_snapshot.abs_path(),
1227                                        guest_project.remote_id(),
1228                                    );
1229                                }
1230                            }
1231                        }
1232
1233                        for buffer in guest_project.opened_buffers(cx) {
1234                            let buffer = buffer.read(cx);
1235                            assert_eq!(
1236                                buffer.deferred_ops_len(),
1237                                0,
1238                                "{} has deferred operations for buffer {:?} in project {:?}",
1239                                client.username,
1240                                buffer.file().unwrap().full_path(cx),
1241                                guest_project.remote_id(),
1242                            );
1243                        }
1244                    });
1245            }
1246
1247            let buffers = client.buffers().clone();
1248            for (guest_project, guest_buffers) in &buffers {
1249                let project_id = if guest_project.read_with(client_cx, |project, cx| {
1250                    project.is_local() || project.is_disconnected(cx)
1251                }) {
1252                    continue;
1253                } else {
1254                    guest_project
1255                        .read_with(client_cx, |project, _| project.remote_id())
1256                        .unwrap()
1257                };
1258                let guest_user_id = client.user_id().unwrap();
1259
1260                let host_project = clients.iter().find_map(|(client, cx)| {
1261                    let project = client
1262                        .local_projects()
1263                        .iter()
1264                        .find(|host_project| {
1265                            host_project.read_with(cx, |host_project, _| {
1266                                host_project.remote_id() == Some(project_id)
1267                            })
1268                        })?
1269                        .clone();
1270                    Some((client.user_id().unwrap(), project, cx))
1271                });
1272
1273                let (host_user_id, host_project, host_cx) =
1274                    if let Some((host_user_id, host_project, host_cx)) = host_project {
1275                        (host_user_id, host_project, host_cx)
1276                    } else {
1277                        continue;
1278                    };
1279
1280                for guest_buffer in guest_buffers {
1281                    let buffer_id =
1282                        guest_buffer.read_with(client_cx, |buffer, _| buffer.remote_id());
1283                    let host_buffer = host_project.read_with(host_cx, |project, cx| {
1284                        project.buffer_for_id(buffer_id, cx).unwrap_or_else(|| {
1285                            panic!(
1286                                "host does not have buffer for guest:{}, peer:{:?}, id:{}",
1287                                client.username,
1288                                client.peer_id(),
1289                                buffer_id
1290                            )
1291                        })
1292                    });
1293                    let path = host_buffer
1294                        .read_with(host_cx, |buffer, cx| buffer.file().unwrap().full_path(cx));
1295
1296                    assert_eq!(
1297                        guest_buffer.read_with(client_cx, |buffer, _| buffer.deferred_ops_len()),
1298                        0,
1299                        "{}, buffer {}, path {:?} has deferred operations",
1300                        client.username,
1301                        buffer_id,
1302                        path,
1303                    );
1304                    assert_eq!(
1305                        guest_buffer.read_with(client_cx, |buffer, _| buffer.text()),
1306                        host_buffer.read_with(host_cx, |buffer, _| buffer.text()),
1307                        "{}, buffer {}, path {:?}, differs from the host's buffer",
1308                        client.username,
1309                        buffer_id,
1310                        path
1311                    );
1312
1313                    let host_file = host_buffer.read_with(host_cx, |b, _| b.file().cloned());
1314                    let guest_file = guest_buffer.read_with(client_cx, |b, _| b.file().cloned());
1315                    match (host_file, guest_file) {
1316                        (Some(host_file), Some(guest_file)) => {
1317                            assert_eq!(guest_file.path(), host_file.path());
1318                            assert_eq!(
1319                                guest_file.disk_state(),
1320                                host_file.disk_state(),
1321                                "guest {} disk_state does not match host {} for path {:?} in project {}",
1322                                guest_user_id,
1323                                host_user_id,
1324                                guest_file.path(),
1325                                project_id,
1326                            );
1327                        }
1328                        (None, None) => {}
1329                        (None, _) => panic!("host's file is None, guest's isn't"),
1330                        (_, None) => panic!("guest's file is None, hosts's isn't"),
1331                    }
1332
1333                    let host_diff_base = host_project.read_with(host_cx, |project, cx| {
1334                        project
1335                            .git_store()
1336                            .read(cx)
1337                            .get_unstaged_diff(host_buffer.read(cx).remote_id(), cx)
1338                            .unwrap()
1339                            .read(cx)
1340                            .base_text_string()
1341                    });
1342                    let guest_diff_base = guest_project.read_with(client_cx, |project, cx| {
1343                        project
1344                            .git_store()
1345                            .read(cx)
1346                            .get_unstaged_diff(guest_buffer.read(cx).remote_id(), cx)
1347                            .unwrap()
1348                            .read(cx)
1349                            .base_text_string()
1350                    });
1351                    assert_eq!(
1352                        guest_diff_base, host_diff_base,
1353                        "guest {} diff base does not match host's for path {path:?} in project {project_id}",
1354                        client.username
1355                    );
1356
1357                    let host_saved_version =
1358                        host_buffer.read_with(host_cx, |b, _| b.saved_version().clone());
1359                    let guest_saved_version =
1360                        guest_buffer.read_with(client_cx, |b, _| b.saved_version().clone());
1361                    assert_eq!(
1362                        guest_saved_version, host_saved_version,
1363                        "guest {} saved version does not match host's for path {path:?} in project {project_id}",
1364                        client.username
1365                    );
1366
1367                    let host_is_dirty = host_buffer.read_with(host_cx, |b, _| b.is_dirty());
1368                    let guest_is_dirty = guest_buffer.read_with(client_cx, |b, _| b.is_dirty());
1369                    assert_eq!(
1370                        guest_is_dirty, host_is_dirty,
1371                        "guest {} dirty state does not match host's for path {path:?} in project {project_id}",
1372                        client.username
1373                    );
1374
1375                    let host_saved_mtime = host_buffer.read_with(host_cx, |b, _| b.saved_mtime());
1376                    let guest_saved_mtime =
1377                        guest_buffer.read_with(client_cx, |b, _| b.saved_mtime());
1378                    assert_eq!(
1379                        guest_saved_mtime, host_saved_mtime,
1380                        "guest {} saved mtime does not match host's for path {path:?} in project {project_id}",
1381                        client.username
1382                    );
1383
1384                    let host_is_dirty = host_buffer.read_with(host_cx, |b, _| b.is_dirty());
1385                    let guest_is_dirty = guest_buffer.read_with(client_cx, |b, _| b.is_dirty());
1386                    assert_eq!(
1387                        guest_is_dirty, host_is_dirty,
1388                        "guest {} dirty status does not match host's for path {path:?} in project {project_id}",
1389                        client.username
1390                    );
1391
1392                    let host_has_conflict = host_buffer.read_with(host_cx, |b, _| b.has_conflict());
1393                    let guest_has_conflict =
1394                        guest_buffer.read_with(client_cx, |b, _| b.has_conflict());
1395                    assert_eq!(
1396                        guest_has_conflict, host_has_conflict,
1397                        "guest {} conflict status does not match host's for path {path:?} in project {project_id}",
1398                        client.username
1399                    );
1400                }
1401            }
1402        }
1403    }
1404}
1405
1406fn generate_git_operation(rng: &mut StdRng, client: &TestClient) -> GitOperation {
1407    fn generate_file_paths(
1408        repo_path: &Path,
1409        rng: &mut StdRng,
1410        client: &TestClient,
1411    ) -> Vec<PathBuf> {
1412        let mut paths = client
1413            .fs()
1414            .files()
1415            .into_iter()
1416            .filter(|path| path.starts_with(repo_path))
1417            .collect::<Vec<_>>();
1418
1419        let count = rng.gen_range(0..=paths.len());
1420        paths.shuffle(rng);
1421        paths.truncate(count);
1422
1423        paths
1424            .iter()
1425            .map(|path| path.strip_prefix(repo_path).unwrap().to_path_buf())
1426            .collect::<Vec<_>>()
1427    }
1428
1429    let repo_path = client.fs().directories(false).choose(rng).unwrap().clone();
1430
1431    match rng.gen_range(0..100_u32) {
1432        0..=25 => {
1433            let file_paths = generate_file_paths(&repo_path, rng, client);
1434
1435            let contents = file_paths
1436                .into_iter()
1437                .map(|path| (path, Alphanumeric.sample_string(rng, 16)))
1438                .collect();
1439
1440            GitOperation::WriteGitIndex {
1441                repo_path,
1442                contents,
1443            }
1444        }
1445        26..=63 => {
1446            let new_branch = (rng.gen_range(0..10) > 3).then(|| Alphanumeric.sample_string(rng, 8));
1447
1448            GitOperation::WriteGitBranch {
1449                repo_path,
1450                new_branch,
1451            }
1452        }
1453        64..=100 => {
1454            let file_paths = generate_file_paths(&repo_path, rng, client);
1455            let statuses = file_paths
1456                .into_iter()
1457                .map(|path| (path, gen_status(rng)))
1458                .collect::<Vec<_>>();
1459            GitOperation::WriteGitStatuses {
1460                repo_path,
1461                statuses,
1462            }
1463        }
1464        _ => unreachable!(),
1465    }
1466}
1467
1468fn buffer_for_full_path(
1469    client: &TestClient,
1470    project: &Entity<Project>,
1471    full_path: &PathBuf,
1472    cx: &TestAppContext,
1473) -> Option<Entity<language::Buffer>> {
1474    client
1475        .buffers_for_project(project)
1476        .iter()
1477        .find(|buffer| {
1478            buffer.read_with(cx, |buffer, cx| {
1479                buffer.file().unwrap().full_path(cx) == *full_path
1480            })
1481        })
1482        .cloned()
1483}
1484
1485fn project_for_root_name(
1486    client: &TestClient,
1487    root_name: &str,
1488    cx: &TestAppContext,
1489) -> Option<Entity<Project>> {
1490    if let Some(ix) = project_ix_for_root_name(client.local_projects().deref(), root_name, cx) {
1491        return Some(client.local_projects()[ix].clone());
1492    }
1493    if let Some(ix) = project_ix_for_root_name(client.dev_server_projects().deref(), root_name, cx)
1494    {
1495        return Some(client.dev_server_projects()[ix].clone());
1496    }
1497    None
1498}
1499
1500fn project_ix_for_root_name(
1501    projects: &[Entity<Project>],
1502    root_name: &str,
1503    cx: &TestAppContext,
1504) -> Option<usize> {
1505    projects.iter().position(|project| {
1506        project.read_with(cx, |project, cx| {
1507            let worktree = project.visible_worktrees(cx).next().unwrap();
1508            worktree.read(cx).root_name() == root_name
1509        })
1510    })
1511}
1512
1513fn root_name_for_project(project: &Entity<Project>, cx: &TestAppContext) -> String {
1514    project.read_with(cx, |project, cx| {
1515        project
1516            .visible_worktrees(cx)
1517            .next()
1518            .unwrap()
1519            .read(cx)
1520            .root_name()
1521            .to_string()
1522    })
1523}
1524
1525fn project_path_for_full_path(
1526    project: &Entity<Project>,
1527    full_path: &Path,
1528    cx: &TestAppContext,
1529) -> Option<ProjectPath> {
1530    let mut components = full_path.components();
1531    let root_name = components.next().unwrap().as_os_str().to_str().unwrap();
1532    let path = components.as_path().into();
1533    let worktree_id = project.read_with(cx, |project, cx| {
1534        project.worktrees(cx).find_map(|worktree| {
1535            let worktree = worktree.read(cx);
1536            if worktree.root_name() == root_name {
1537                Some(worktree.id())
1538            } else {
1539                None
1540            }
1541        })
1542    })?;
1543    Some(ProjectPath { worktree_id, path })
1544}
1545
1546async fn ensure_project_shared(
1547    project: &Entity<Project>,
1548    client: &TestClient,
1549    cx: &mut TestAppContext,
1550) {
1551    let first_root_name = root_name_for_project(project, cx);
1552    let active_call = cx.read(ActiveCall::global);
1553    if active_call.read_with(cx, |call, _| call.room().is_some())
1554        && project.read_with(cx, |project, _| project.is_local() && !project.is_shared())
1555    {
1556        match active_call
1557            .update(cx, |call, cx| call.share_project(project.clone(), cx))
1558            .await
1559        {
1560            Ok(project_id) => {
1561                log::info!(
1562                    "{}: shared project {} with id {}",
1563                    client.username,
1564                    first_root_name,
1565                    project_id
1566                );
1567            }
1568            Err(error) => {
1569                log::error!(
1570                    "{}: error sharing project {}: {:?}",
1571                    client.username,
1572                    first_root_name,
1573                    error
1574                );
1575            }
1576        }
1577    }
1578}
1579
1580fn choose_random_project(client: &TestClient, rng: &mut StdRng) -> Option<Entity<Project>> {
1581    client
1582        .local_projects()
1583        .deref()
1584        .iter()
1585        .chain(client.dev_server_projects().iter())
1586        .choose(rng)
1587        .cloned()
1588}
1589
1590fn gen_file_name(rng: &mut StdRng) -> String {
1591    let mut name = String::new();
1592    for _ in 0..10 {
1593        let letter = rng.gen_range('a'..='z');
1594        name.push(letter);
1595    }
1596    name
1597}
1598
1599fn gen_status(rng: &mut StdRng) -> FileStatus {
1600    fn gen_tracked_status(rng: &mut StdRng) -> TrackedStatus {
1601        match rng.gen_range(0..3) {
1602            0 => TrackedStatus {
1603                index_status: StatusCode::Unmodified,
1604                worktree_status: StatusCode::Unmodified,
1605            },
1606            1 => TrackedStatus {
1607                index_status: StatusCode::Modified,
1608                worktree_status: StatusCode::Modified,
1609            },
1610            2 => TrackedStatus {
1611                index_status: StatusCode::Added,
1612                worktree_status: StatusCode::Modified,
1613            },
1614            3 => TrackedStatus {
1615                index_status: StatusCode::Added,
1616                worktree_status: StatusCode::Unmodified,
1617            },
1618            _ => unreachable!(),
1619        }
1620    }
1621
1622    fn gen_unmerged_status_code(rng: &mut StdRng) -> UnmergedStatusCode {
1623        match rng.gen_range(0..3) {
1624            0 => UnmergedStatusCode::Updated,
1625            1 => UnmergedStatusCode::Added,
1626            2 => UnmergedStatusCode::Deleted,
1627            _ => unreachable!(),
1628        }
1629    }
1630
1631    match rng.gen_range(0..2) {
1632        0 => FileStatus::Unmerged(UnmergedStatus {
1633            first_head: gen_unmerged_status_code(rng),
1634            second_head: gen_unmerged_status_code(rng),
1635        }),
1636        1 => FileStatus::Tracked(gen_tracked_status(rng)),
1637        _ => unreachable!(),
1638    }
1639}