modal.rs

  1use std::sync::Arc;
  2
  3use crate::{active_item_selection_properties, schedule_resolved_task};
  4use fuzzy::{StringMatch, StringMatchCandidate};
  5use gpui::{
  6    impl_actions, rems, AppContext, DismissEvent, EventEmitter, FocusableView, Global,
  7    InteractiveElement, Model, ParentElement, Render, SharedString, Styled, Subscription, View,
  8    ViewContext, VisualContext, WeakView,
  9};
 10use picker::{highlighted_match_with_paths::HighlightedText, Picker, PickerDelegate};
 11use project::{Inventory, TaskSourceKind};
 12use task::{ResolvedTask, TaskContext, TaskTemplate};
 13use ui::{
 14    div, v_flex, ButtonCommon, ButtonSize, Clickable, Color, FluentBuilder as _, Icon, IconButton,
 15    IconButtonShape, IconName, IconSize, ListItem, ListItemSpacing, RenderOnce, Selectable,
 16    Tooltip, WindowContext,
 17};
 18use util::ResultExt;
 19use workspace::{ModalView, Workspace};
 20
 21use serde::Deserialize;
 22
 23/// Spawn a task with name or open tasks modal
 24#[derive(PartialEq, Clone, Deserialize, Default)]
 25pub struct Spawn {
 26    #[serde(default)]
 27    /// Name of the task to spawn.
 28    /// If it is not set, a modal with a list of available tasks is opened instead.
 29    /// Defaults to None.
 30    pub task_name: Option<String>,
 31}
 32
 33impl Spawn {
 34    pub(crate) fn modal() -> Self {
 35        Self { task_name: None }
 36    }
 37}
 38/// Rerun last task
 39#[derive(PartialEq, Clone, Deserialize, Default)]
 40pub struct Rerun {
 41    /// Controls whether the task context is reevaluated prior to execution of a task.
 42    /// If it is not, environment variables such as ZED_COLUMN, ZED_FILE are gonna be the same as in the last execution of a task
 43    /// If it is, these variables will be updated to reflect current state of editor at the time task::Rerun is executed.
 44    /// default: false
 45    #[serde(default)]
 46    pub reevaluate_context: bool,
 47    /// Overrides `allow_concurrent_runs` property of the task being reran.
 48    /// Default: null
 49    #[serde(default)]
 50    pub allow_concurrent_runs: Option<bool>,
 51    /// Overrides `use_new_terminal` property of the task being reran.
 52    /// Default: null
 53    #[serde(default)]
 54    pub use_new_terminal: Option<bool>,
 55}
 56
 57impl_actions!(task, [Rerun, Spawn]);
 58
 59/// A modal used to spawn new tasks.
 60pub(crate) struct TasksModalDelegate {
 61    inventory: Model<Inventory>,
 62    candidates: Option<Vec<(TaskSourceKind, ResolvedTask)>>,
 63    last_used_candidate_index: Option<usize>,
 64    matches: Vec<StringMatch>,
 65    selected_index: usize,
 66    workspace: WeakView<Workspace>,
 67    prompt: String,
 68    task_context: TaskContext,
 69    placeholder_text: Arc<str>,
 70}
 71
 72impl TasksModalDelegate {
 73    fn new(
 74        inventory: Model<Inventory>,
 75        task_context: TaskContext,
 76        workspace: WeakView<Workspace>,
 77    ) -> Self {
 78        Self {
 79            inventory,
 80            workspace,
 81            candidates: None,
 82            matches: Vec::new(),
 83            last_used_candidate_index: None,
 84            selected_index: 0,
 85            prompt: String::default(),
 86            task_context,
 87            placeholder_text: Arc::from("Run a task..."),
 88        }
 89    }
 90
 91    fn spawn_oneshot(&mut self) -> Option<(TaskSourceKind, ResolvedTask)> {
 92        if self.prompt.trim().is_empty() {
 93            return None;
 94        }
 95
 96        let source_kind = TaskSourceKind::UserInput;
 97        let id_base = source_kind.to_id_base();
 98        let new_oneshot = TaskTemplate {
 99            label: self.prompt.clone(),
100            command: self.prompt.clone(),
101            ..TaskTemplate::default()
102        };
103        Some((
104            source_kind,
105            new_oneshot.resolve_task(&id_base, &self.task_context)?,
106        ))
107    }
108
109    fn delete_previously_used(&mut self, ix: usize, cx: &mut AppContext) {
110        let Some(candidates) = self.candidates.as_mut() else {
111            return;
112        };
113        let Some(task) = candidates.get(ix).map(|(_, task)| task.clone()) else {
114            return;
115        };
116        // We remove this candidate manually instead of .taking() the candidates, as we already know the index;
117        // it doesn't make sense to requery the inventory for new candidates, as that's potentially costly and more often than not it should just return back
118        // the original list without a removed entry.
119        candidates.remove(ix);
120        self.inventory.update(cx, |inventory, _| {
121            inventory.delete_previously_used(&task.id);
122        });
123    }
124}
125
126pub(crate) struct TasksModal {
127    picker: View<Picker<TasksModalDelegate>>,
128    _subscription: Subscription,
129}
130
131impl TasksModal {
132    pub(crate) fn new(
133        inventory: Model<Inventory>,
134        task_context: TaskContext,
135        workspace: WeakView<Workspace>,
136        cx: &mut ViewContext<Self>,
137    ) -> Self {
138        let picker = cx.new_view(|cx| {
139            Picker::uniform_list(
140                TasksModalDelegate::new(inventory, task_context, workspace),
141                cx,
142            )
143        });
144        let _subscription = cx.subscribe(&picker, |_, _, _, cx| {
145            cx.emit(DismissEvent);
146        });
147        Self {
148            picker,
149            _subscription,
150        }
151    }
152}
153
154impl Render for TasksModal {
155    fn render(&mut self, _: &mut ViewContext<Self>) -> impl gpui::prelude::IntoElement {
156        v_flex()
157            .key_context("TasksModal")
158            .w(rems(34.))
159            .child(self.picker.clone())
160    }
161}
162
163impl EventEmitter<DismissEvent> for TasksModal {}
164
165impl FocusableView for TasksModal {
166    fn focus_handle(&self, cx: &gpui::AppContext) -> gpui::FocusHandle {
167        self.picker.read(cx).focus_handle(cx)
168    }
169}
170
171impl ModalView for TasksModal {}
172
173impl PickerDelegate for TasksModalDelegate {
174    type ListItem = ListItem;
175
176    fn match_count(&self) -> usize {
177        self.matches.len()
178    }
179
180    fn selected_index(&self) -> usize {
181        self.selected_index
182    }
183
184    fn set_selected_index(&mut self, ix: usize, _cx: &mut ViewContext<picker::Picker<Self>>) {
185        self.selected_index = ix;
186    }
187
188    fn placeholder_text(&self, _: &mut WindowContext) -> Arc<str> {
189        self.placeholder_text.clone()
190    }
191
192    fn update_matches(
193        &mut self,
194        query: String,
195        cx: &mut ViewContext<picker::Picker<Self>>,
196    ) -> gpui::Task<()> {
197        cx.spawn(move |picker, mut cx| async move {
198            let Some(candidates) = picker
199                .update(&mut cx, |picker, cx| {
200                    let candidates = match &mut picker.delegate.candidates {
201                        Some(candidates) => candidates,
202                        None => {
203                            let Ok((worktree, language)) =
204                                picker.delegate.workspace.update(cx, |workspace, cx| {
205                                    active_item_selection_properties(workspace, cx)
206                                })
207                            else {
208                                return Vec::new();
209                            };
210                            let (used, current) =
211                                picker.delegate.inventory.update(cx, |inventory, cx| {
212                                    inventory.used_and_current_resolved_tasks(
213                                        language,
214                                        worktree,
215                                        &picker.delegate.task_context,
216                                        cx,
217                                    )
218                                });
219                            picker.delegate.last_used_candidate_index = if used.is_empty() {
220                                None
221                            } else {
222                                Some(used.len() - 1)
223                            };
224
225                            let mut new_candidates = used;
226                            new_candidates.extend(current);
227                            picker.delegate.candidates.insert(new_candidates)
228                        }
229                    };
230                    candidates
231                        .iter()
232                        .enumerate()
233                        .map(|(index, (_, candidate))| StringMatchCandidate {
234                            id: index,
235                            char_bag: candidate.resolved_label.chars().collect(),
236                            string: candidate
237                                .resolved
238                                .as_ref()
239                                .map(|resolved| resolved.label.clone())
240                                .unwrap_or_else(|| candidate.resolved_label.clone()),
241                        })
242                        .collect::<Vec<_>>()
243                })
244                .ok()
245            else {
246                return;
247            };
248            let matches = fuzzy::match_strings(
249                &candidates,
250                &query,
251                true,
252                1000,
253                &Default::default(),
254                cx.background_executor().clone(),
255            )
256            .await;
257            picker
258                .update(&mut cx, |picker, _| {
259                    let delegate = &mut picker.delegate;
260                    delegate.matches = matches;
261                    delegate.prompt = query;
262
263                    if delegate.matches.is_empty() {
264                        delegate.selected_index = 0;
265                    } else {
266                        delegate.selected_index =
267                            delegate.selected_index.min(delegate.matches.len() - 1);
268                    }
269                })
270                .log_err();
271        })
272    }
273
274    fn confirm(&mut self, omit_history_entry: bool, cx: &mut ViewContext<picker::Picker<Self>>) {
275        let current_match_index = self.selected_index();
276        let task = self
277            .matches
278            .get(current_match_index)
279            .and_then(|current_match| {
280                let ix = current_match.candidate_id;
281                self.candidates
282                    .as_ref()
283                    .map(|candidates| candidates[ix].clone())
284            });
285        let Some((task_source_kind, task)) = task else {
286            return;
287        };
288
289        self.workspace
290            .update(cx, |workspace, cx| {
291                schedule_resolved_task(workspace, task_source_kind, task, omit_history_entry, cx);
292            })
293            .ok();
294        cx.emit(DismissEvent);
295    }
296
297    fn dismissed(&mut self, cx: &mut ViewContext<picker::Picker<Self>>) {
298        cx.emit(DismissEvent);
299    }
300
301    fn render_match(
302        &self,
303        ix: usize,
304        selected: bool,
305        cx: &mut ViewContext<picker::Picker<Self>>,
306    ) -> Option<Self::ListItem> {
307        let candidates = self.candidates.as_ref()?;
308        let hit = &self.matches[ix];
309        let (source_kind, resolved_task) = &candidates.get(hit.candidate_id)?;
310        let template = resolved_task.original_task();
311        let display_label = resolved_task.display_label();
312
313        let mut tooltip_label_text = if display_label != &template.label {
314            resolved_task.resolved_label.clone()
315        } else {
316            String::new()
317        };
318        if let Some(resolved) = resolved_task.resolved.as_ref() {
319            if display_label != resolved.command_label {
320                if !tooltip_label_text.trim().is_empty() {
321                    tooltip_label_text.push('\n');
322                }
323                tooltip_label_text.push_str(&resolved.command_label);
324            }
325        }
326        let tooltip_label = if tooltip_label_text.trim().is_empty() {
327            None
328        } else {
329            Some(Tooltip::text(tooltip_label_text, cx))
330        };
331
332        let highlighted_location = HighlightedText {
333            text: hit.string.clone(),
334            highlight_positions: hit.positions.clone(),
335            char_count: hit.string.chars().count(),
336        };
337        let icon = match source_kind {
338            TaskSourceKind::UserInput => Some(Icon::new(IconName::Terminal)),
339            TaskSourceKind::AbsPath { .. } => Some(Icon::new(IconName::Settings)),
340            TaskSourceKind::Worktree { .. } => Some(Icon::new(IconName::FileTree)),
341            TaskSourceKind::Language { name } => file_icons::FileIcons::get(cx)
342                .get_type_icon(&name.to_lowercase())
343                .map(|icon_path| Icon::from_path(icon_path)),
344        };
345        Some(
346            ListItem::new(SharedString::from(format!("tasks-modal-{ix}")))
347                .inset(true)
348                .spacing(ListItemSpacing::Sparse)
349                .when_some(tooltip_label, |list_item, item_label| {
350                    list_item.tooltip(move |_| item_label.clone())
351                })
352                .map(|item| {
353                    let item = if matches!(source_kind, TaskSourceKind::UserInput)
354                        || Some(ix) <= self.last_used_candidate_index
355                    {
356                        let task_index = hit.candidate_id;
357                        let delete_button = div().child(
358                            IconButton::new("delete", IconName::Close)
359                                .shape(IconButtonShape::Square)
360                                .icon_color(Color::Muted)
361                                .size(ButtonSize::None)
362                                .icon_size(IconSize::XSmall)
363                                .on_click(cx.listener(move |picker, _event, cx| {
364                                    cx.stop_propagation();
365                                    cx.prevent_default();
366
367                                    picker.delegate.delete_previously_used(task_index, cx);
368                                    picker.delegate.last_used_candidate_index = picker
369                                        .delegate
370                                        .last_used_candidate_index
371                                        .unwrap_or(0)
372                                        .checked_sub(1);
373                                    picker.refresh(cx);
374                                }))
375                                .tooltip(|cx| {
376                                    Tooltip::text("Delete previously scheduled task", cx)
377                                }),
378                        );
379                        item.end_hover_slot(delete_button)
380                    } else {
381                        item
382                    };
383                    if let Some(icon) = icon {
384                        item.end_slot(icon)
385                    } else {
386                        item
387                    }
388                })
389                .selected(selected)
390                .child(highlighted_location.render(cx)),
391        )
392    }
393
394    fn selected_as_query(&self) -> Option<String> {
395        let task_index = self.matches.get(self.selected_index())?.candidate_id;
396        let tasks = self.candidates.as_ref()?;
397        let (_, task) = tasks.get(task_index)?;
398        Some(task.resolved.as_ref()?.command_label.clone())
399    }
400
401    fn confirm_input(&mut self, omit_history_entry: bool, cx: &mut ViewContext<Picker<Self>>) {
402        let Some((task_source_kind, task)) = self.spawn_oneshot() else {
403            return;
404        };
405        self.workspace
406            .update(cx, |workspace, cx| {
407                schedule_resolved_task(workspace, task_source_kind, task, omit_history_entry, cx);
408            })
409            .ok();
410        cx.emit(DismissEvent);
411    }
412
413    fn separators_after_indices(&self) -> Vec<usize> {
414        if let Some(i) = self.last_used_candidate_index {
415            vec![i]
416        } else {
417            Vec::new()
418        }
419    }
420}
421
422#[cfg(test)]
423mod tests {
424    use std::{path::PathBuf, sync::Arc};
425
426    use editor::Editor;
427    use gpui::{TestAppContext, VisualTestContext};
428    use language::{ContextProviderWithTasks, Language, LanguageConfig, LanguageMatcher, Point};
429    use project::{FakeFs, Project};
430    use serde_json::json;
431    use task::TaskTemplates;
432    use workspace::CloseInactiveTabsAndPanes;
433
434    use crate::{modal::Spawn, tests::init_test};
435
436    use super::*;
437
438    #[gpui::test]
439    async fn test_spawn_tasks_modal_query_reuse(cx: &mut TestAppContext) {
440        init_test(cx);
441        let fs = FakeFs::new(cx.executor());
442        fs.insert_tree(
443            "/dir",
444            json!({
445                ".zed": {
446                    "tasks.json": r#"[
447                        {
448                            "label": "example task",
449                            "command": "echo",
450                            "args": ["4"]
451                        },
452                        {
453                            "label": "another one",
454                            "command": "echo",
455                            "args": ["55"]
456                        },
457                    ]"#,
458                },
459                "a.ts": "a"
460            }),
461        )
462        .await;
463
464        let project = Project::test(fs, ["/dir".as_ref()], cx).await;
465        let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project, cx));
466
467        let tasks_picker = open_spawn_tasks(&workspace, cx);
468        assert_eq!(
469            query(&tasks_picker, cx),
470            "",
471            "Initial query should be empty"
472        );
473        assert_eq!(
474            task_names(&tasks_picker, cx),
475            vec!["another one", "example task"],
476            "Initial tasks should be listed in alphabetical order"
477        );
478
479        let query_str = "tas";
480        cx.simulate_input(query_str);
481        assert_eq!(query(&tasks_picker, cx), query_str);
482        assert_eq!(
483            task_names(&tasks_picker, cx),
484            vec!["example task"],
485            "Only one task should match the query {query_str}"
486        );
487
488        cx.dispatch_action(picker::UseSelectedQuery);
489        assert_eq!(
490            query(&tasks_picker, cx),
491            "echo 4",
492            "Query should be set to the selected task's command"
493        );
494        assert_eq!(
495            task_names(&tasks_picker, cx),
496            Vec::<String>::new(),
497            "No task should be listed"
498        );
499        cx.dispatch_action(picker::ConfirmInput { secondary: false });
500
501        let tasks_picker = open_spawn_tasks(&workspace, cx);
502        assert_eq!(
503            query(&tasks_picker, cx),
504            "",
505            "Query should be reset after confirming"
506        );
507        assert_eq!(
508            task_names(&tasks_picker, cx),
509            vec!["echo 4", "another one", "example task"],
510            "New oneshot task should be listed first"
511        );
512
513        let query_str = "echo 4";
514        cx.simulate_input(query_str);
515        assert_eq!(query(&tasks_picker, cx), query_str);
516        assert_eq!(
517            task_names(&tasks_picker, cx),
518            vec!["echo 4"],
519            "New oneshot should match custom command query"
520        );
521
522        cx.dispatch_action(picker::ConfirmInput { secondary: false });
523        let tasks_picker = open_spawn_tasks(&workspace, cx);
524        assert_eq!(
525            query(&tasks_picker, cx),
526            "",
527            "Query should be reset after confirming"
528        );
529        assert_eq!(
530            task_names(&tasks_picker, cx),
531            vec![query_str, "another one", "example task"],
532            "Last recently used one show task should be listed first"
533        );
534
535        cx.dispatch_action(picker::UseSelectedQuery);
536        assert_eq!(
537            query(&tasks_picker, cx),
538            query_str,
539            "Query should be set to the custom task's name"
540        );
541        assert_eq!(
542            task_names(&tasks_picker, cx),
543            vec![query_str],
544            "Only custom task should be listed"
545        );
546
547        let query_str = "0";
548        cx.simulate_input(query_str);
549        assert_eq!(query(&tasks_picker, cx), "echo 40");
550        assert_eq!(
551            task_names(&tasks_picker, cx),
552            Vec::<String>::new(),
553            "New oneshot should not match any command query"
554        );
555
556        cx.dispatch_action(picker::ConfirmInput { secondary: true });
557        let tasks_picker = open_spawn_tasks(&workspace, cx);
558        assert_eq!(
559            query(&tasks_picker, cx),
560            "",
561            "Query should be reset after confirming"
562        );
563        assert_eq!(
564            task_names(&tasks_picker, cx),
565            vec!["echo 4", "another one", "example task"],
566            "No query should be added to the list, as it was submitted with secondary action (that maps to omit_history = true)"
567        );
568
569        cx.dispatch_action(Spawn {
570            task_name: Some("example task".to_string()),
571        });
572        let tasks_picker = workspace.update(cx, |workspace, cx| {
573            workspace
574                .active_modal::<TasksModal>(cx)
575                .unwrap()
576                .read(cx)
577                .picker
578                .clone()
579        });
580        assert_eq!(
581            task_names(&tasks_picker, cx),
582            vec!["echo 4", "another one", "example task"],
583        );
584    }
585
586    #[gpui::test]
587    async fn test_basic_context_for_simple_files(cx: &mut TestAppContext) {
588        init_test(cx);
589        let fs = FakeFs::new(cx.executor());
590        fs.insert_tree(
591            "/dir",
592            json!({
593                ".zed": {
594                    "tasks.json": r#"[
595                        {
596                            "label": "hello from $ZED_FILE:$ZED_ROW:$ZED_COLUMN",
597                            "command": "echo",
598                            "args": ["hello", "from", "$ZED_FILE", ":", "$ZED_ROW", ":", "$ZED_COLUMN"]
599                        },
600                        {
601                            "label": "opened now: $ZED_WORKTREE_ROOT",
602                            "command": "echo",
603                            "args": ["opened", "now:", "$ZED_WORKTREE_ROOT"]
604                        }
605                    ]"#,
606                },
607                "file_without_extension": "aaaaaaaaaaaaaaaaaaaa\naaaaaaaaaaaaaaaaaa",
608                "file_with.odd_extension": "b",
609            }),
610        )
611        .await;
612
613        let project = Project::test(fs, ["/dir".as_ref()], cx).await;
614        let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
615
616        let tasks_picker = open_spawn_tasks(&workspace, cx);
617        assert_eq!(
618            task_names(&tasks_picker, cx),
619            Vec::<String>::new(),
620            "Should list no file or worktree context-dependent when no file is open"
621        );
622        tasks_picker.update(cx, |_, cx| {
623            cx.emit(DismissEvent);
624        });
625        drop(tasks_picker);
626        cx.executor().run_until_parked();
627
628        let _ = workspace
629            .update(cx, |workspace, cx| {
630                workspace.open_abs_path(PathBuf::from("/dir/file_with.odd_extension"), true, cx)
631            })
632            .await
633            .unwrap();
634        cx.executor().run_until_parked();
635        let tasks_picker = open_spawn_tasks(&workspace, cx);
636        assert_eq!(
637            task_names(&tasks_picker, cx),
638            vec![
639                "hello from …th.odd_extension:1:1".to_string(),
640                "opened now: /dir".to_string()
641            ],
642            "Second opened buffer should fill the context, labels should be trimmed if long enough"
643        );
644        tasks_picker.update(cx, |_, cx| {
645            cx.emit(DismissEvent);
646        });
647        drop(tasks_picker);
648        cx.executor().run_until_parked();
649
650        let second_item = workspace
651            .update(cx, |workspace, cx| {
652                workspace.open_abs_path(PathBuf::from("/dir/file_without_extension"), true, cx)
653            })
654            .await
655            .unwrap();
656
657        let editor = cx.update(|cx| second_item.act_as::<Editor>(cx)).unwrap();
658        editor.update(cx, |editor, cx| {
659            editor.change_selections(None, cx, |s| {
660                s.select_ranges(Some(Point::new(1, 2)..Point::new(1, 5)))
661            })
662        });
663        cx.executor().run_until_parked();
664        let tasks_picker = open_spawn_tasks(&workspace, cx);
665        assert_eq!(
666            task_names(&tasks_picker, cx),
667            vec![
668                "hello from …ithout_extension:2:3".to_string(),
669                "opened now: /dir".to_string()
670            ],
671            "Opened buffer should fill the context, labels should be trimmed if long enough"
672        );
673        tasks_picker.update(cx, |_, cx| {
674            cx.emit(DismissEvent);
675        });
676        drop(tasks_picker);
677        cx.executor().run_until_parked();
678    }
679
680    #[gpui::test]
681    async fn test_language_task_filtering(cx: &mut TestAppContext) {
682        init_test(cx);
683        let fs = FakeFs::new(cx.executor());
684        fs.insert_tree(
685            "/dir",
686            json!({
687                "a1.ts": "// a1",
688                "a2.ts": "// a2",
689                "b.rs": "// b",
690            }),
691        )
692        .await;
693
694        let project = Project::test(fs, ["/dir".as_ref()], cx).await;
695        project.read_with(cx, |project, _| {
696            let language_registry = project.languages();
697            language_registry.add(Arc::new(
698                Language::new(
699                    LanguageConfig {
700                        name: "TypeScript".into(),
701                        matcher: LanguageMatcher {
702                            path_suffixes: vec!["ts".to_string()],
703                            ..LanguageMatcher::default()
704                        },
705                        ..LanguageConfig::default()
706                    },
707                    None,
708                )
709                .with_context_provider(Some(Arc::new(
710                    ContextProviderWithTasks::new(TaskTemplates(vec![
711                        TaskTemplate {
712                            label: "Task without variables".to_string(),
713                            command: "npm run clean".to_string(),
714                            ..TaskTemplate::default()
715                        },
716                        TaskTemplate {
717                            label: "TypeScript task from file $ZED_FILE".to_string(),
718                            command: "npm run build".to_string(),
719                            ..TaskTemplate::default()
720                        },
721                        TaskTemplate {
722                            label: "Another task from file $ZED_FILE".to_string(),
723                            command: "npm run lint".to_string(),
724                            ..TaskTemplate::default()
725                        },
726                    ])),
727                ))),
728            ));
729            language_registry.add(Arc::new(
730                Language::new(
731                    LanguageConfig {
732                        name: "Rust".into(),
733                        matcher: LanguageMatcher {
734                            path_suffixes: vec!["rs".to_string()],
735                            ..LanguageMatcher::default()
736                        },
737                        ..LanguageConfig::default()
738                    },
739                    None,
740                )
741                .with_context_provider(Some(Arc::new(
742                    ContextProviderWithTasks::new(TaskTemplates(vec![TaskTemplate {
743                        label: "Rust task".to_string(),
744                        command: "cargo check".into(),
745                        ..TaskTemplate::default()
746                    }])),
747                ))),
748            ));
749        });
750        let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
751
752        let _ts_file_1 = workspace
753            .update(cx, |workspace, cx| {
754                workspace.open_abs_path(PathBuf::from("/dir/a1.ts"), true, cx)
755            })
756            .await
757            .unwrap();
758        let tasks_picker = open_spawn_tasks(&workspace, cx);
759        assert_eq!(
760            task_names(&tasks_picker, cx),
761            vec![
762                "Another task from file /dir/a1.ts",
763                "TypeScript task from file /dir/a1.ts",
764                "Task without variables",
765            ],
766            "Should open spawn TypeScript tasks for the opened file, tasks with most template variables above, all groups sorted alphanumerically"
767        );
768        emulate_task_schedule(
769            tasks_picker,
770            &project,
771            "TypeScript task from file /dir/a1.ts",
772            cx,
773        );
774
775        let tasks_picker = open_spawn_tasks(&workspace, cx);
776        assert_eq!(
777            task_names(&tasks_picker, cx),
778            vec!["TypeScript task from file /dir/a1.ts", "Another task from file /dir/a1.ts", "Task without variables"],
779            "After spawning the task and getting it into the history, it should be up in the sort as recently used"
780        );
781        tasks_picker.update(cx, |_, cx| {
782            cx.emit(DismissEvent);
783        });
784        drop(tasks_picker);
785        cx.executor().run_until_parked();
786
787        let _ts_file_2 = workspace
788            .update(cx, |workspace, cx| {
789                workspace.open_abs_path(PathBuf::from("/dir/a2.ts"), true, cx)
790            })
791            .await
792            .unwrap();
793        let tasks_picker = open_spawn_tasks(&workspace, cx);
794        assert_eq!(
795            task_names(&tasks_picker, cx),
796            vec![
797                "TypeScript task from file /dir/a1.ts",
798                "Another task from file /dir/a2.ts",
799                "TypeScript task from file /dir/a2.ts",
800                "Task without variables"
801            ],
802            "Even when both TS files are open, should only show the history (on the top), and tasks, resolved for the current file"
803        );
804        tasks_picker.update(cx, |_, cx| {
805            cx.emit(DismissEvent);
806        });
807        drop(tasks_picker);
808        cx.executor().run_until_parked();
809
810        let _rs_file = workspace
811            .update(cx, |workspace, cx| {
812                workspace.open_abs_path(PathBuf::from("/dir/b.rs"), true, cx)
813            })
814            .await
815            .unwrap();
816        let tasks_picker = open_spawn_tasks(&workspace, cx);
817        assert_eq!(
818            task_names(&tasks_picker, cx),
819            vec!["Rust task"],
820            "Even when both TS files are open and one TS task spawned, opened file's language tasks should be displayed only"
821        );
822
823        cx.dispatch_action(CloseInactiveTabsAndPanes::default());
824        emulate_task_schedule(tasks_picker, &project, "Rust task", cx);
825        let _ts_file_2 = workspace
826            .update(cx, |workspace, cx| {
827                workspace.open_abs_path(PathBuf::from("/dir/a2.ts"), true, cx)
828            })
829            .await
830            .unwrap();
831        let tasks_picker = open_spawn_tasks(&workspace, cx);
832        assert_eq!(
833            task_names(&tasks_picker, cx),
834            vec![
835                "TypeScript task from file /dir/a1.ts",
836                "Another task from file /dir/a2.ts",
837                "TypeScript task from file /dir/a2.ts",
838                "Task without variables"
839            ],
840            "After closing all but *.rs tabs, running a Rust task and switching back to TS tasks, \
841            same TS spawn history should be restored"
842        );
843    }
844
845    fn emulate_task_schedule(
846        tasks_picker: View<Picker<TasksModalDelegate>>,
847        project: &Model<Project>,
848        scheduled_task_label: &str,
849        cx: &mut VisualTestContext,
850    ) {
851        let scheduled_task = tasks_picker.update(cx, |tasks_picker, _| {
852            tasks_picker
853                .delegate
854                .candidates
855                .iter()
856                .flatten()
857                .find(|(_, task)| task.resolved_label == scheduled_task_label)
858                .cloned()
859                .unwrap()
860        });
861        project.update(cx, |project, cx| {
862            project.task_inventory().update(cx, |inventory, _| {
863                let (kind, task) = scheduled_task;
864                inventory.task_scheduled(kind, task);
865            })
866        });
867        tasks_picker.update(cx, |_, cx| {
868            cx.emit(DismissEvent);
869        });
870        drop(tasks_picker);
871        cx.executor().run_until_parked()
872    }
873
874    fn open_spawn_tasks(
875        workspace: &View<Workspace>,
876        cx: &mut VisualTestContext,
877    ) -> View<Picker<TasksModalDelegate>> {
878        cx.dispatch_action(Spawn::default());
879        workspace.update(cx, |workspace, cx| {
880            workspace
881                .active_modal::<TasksModal>(cx)
882                .expect("no task modal after `Spawn` action was dispatched")
883                .read(cx)
884                .picker
885                .clone()
886        })
887    }
888
889    fn query(spawn_tasks: &View<Picker<TasksModalDelegate>>, cx: &mut VisualTestContext) -> String {
890        spawn_tasks.update(cx, |spawn_tasks, cx| spawn_tasks.query(cx))
891    }
892
893    fn task_names(
894        spawn_tasks: &View<Picker<TasksModalDelegate>>,
895        cx: &mut VisualTestContext,
896    ) -> Vec<String> {
897        spawn_tasks.update(cx, |spawn_tasks, _| {
898            spawn_tasks
899                .delegate
900                .matches
901                .iter()
902                .map(|hit| hit.string.clone())
903                .collect::<Vec<_>>()
904        })
905    }
906}