model_selector.rs

  1use std::{cmp::Reverse, rc::Rc, sync::Arc};
  2
  3use acp_thread::{AgentModelIcon, AgentModelInfo, AgentModelList, AgentModelSelector};
  4use agent_client_protocol::ModelId;
  5use agent_servers::AgentServer;
  6use agent_settings::AgentSettings;
  7use anyhow::Result;
  8use collections::{HashSet, IndexMap};
  9use fs::Fs;
 10use futures::FutureExt;
 11use fuzzy::{StringMatchCandidate, match_strings};
 12use gpui::{
 13    Action, AsyncWindowContext, BackgroundExecutor, DismissEvent, FocusHandle, Subscription, Task,
 14    WeakEntity,
 15};
 16use itertools::Itertools;
 17use ordered_float::OrderedFloat;
 18use picker::{Picker, PickerDelegate};
 19use settings::{Settings, SettingsStore};
 20use ui::{DocumentationAside, DocumentationSide, IntoElement, prelude::*};
 21use util::ResultExt;
 22use zed_actions::agent::OpenSettings;
 23
 24use crate::ui::{HoldForDefault, ModelSelectorFooter, ModelSelectorHeader, ModelSelectorListItem};
 25
 26pub type AcpModelSelector = Picker<AcpModelPickerDelegate>;
 27
 28pub fn acp_model_selector(
 29    selector: Rc<dyn AgentModelSelector>,
 30    agent_server: Rc<dyn AgentServer>,
 31    fs: Arc<dyn Fs>,
 32    focus_handle: FocusHandle,
 33    window: &mut Window,
 34    cx: &mut Context<AcpModelSelector>,
 35) -> AcpModelSelector {
 36    let delegate =
 37        AcpModelPickerDelegate::new(selector, agent_server, fs, focus_handle, window, cx);
 38    Picker::list(delegate, window, cx)
 39        .show_scrollbar(true)
 40        .width(rems(20.))
 41        .max_height(Some(rems(20.).into()))
 42}
 43
 44enum AcpModelPickerEntry {
 45    Separator(SharedString),
 46    Model(AgentModelInfo, bool),
 47}
 48
 49pub struct AcpModelPickerDelegate {
 50    selector: Rc<dyn AgentModelSelector>,
 51    agent_server: Rc<dyn AgentServer>,
 52    fs: Arc<dyn Fs>,
 53    filtered_entries: Vec<AcpModelPickerEntry>,
 54    models: Option<AgentModelList>,
 55    selected_index: usize,
 56    selected_description: Option<(usize, SharedString, bool)>,
 57    selected_model: Option<AgentModelInfo>,
 58    favorites: HashSet<ModelId>,
 59    _refresh_models_task: Task<()>,
 60    _settings_subscription: Subscription,
 61    focus_handle: FocusHandle,
 62}
 63
 64impl AcpModelPickerDelegate {
 65    fn new(
 66        selector: Rc<dyn AgentModelSelector>,
 67        agent_server: Rc<dyn AgentServer>,
 68        fs: Arc<dyn Fs>,
 69        focus_handle: FocusHandle,
 70        window: &mut Window,
 71        cx: &mut Context<AcpModelSelector>,
 72    ) -> Self {
 73        let rx = selector.watch(cx);
 74        let refresh_models_task = {
 75            cx.spawn_in(window, {
 76                async move |this, cx| {
 77                    async fn refresh(
 78                        this: &WeakEntity<Picker<AcpModelPickerDelegate>>,
 79                        cx: &mut AsyncWindowContext,
 80                    ) -> Result<()> {
 81                        let (models_task, selected_model_task) = this.update(cx, |this, cx| {
 82                            (
 83                                this.delegate.selector.list_models(cx),
 84                                this.delegate.selector.selected_model(cx),
 85                            )
 86                        })?;
 87
 88                        let (models, selected_model) =
 89                            futures::join!(models_task, selected_model_task);
 90
 91                        this.update_in(cx, |this, window, cx| {
 92                            this.delegate.models = models.ok();
 93                            this.delegate.selected_model = selected_model.ok();
 94                            this.refresh(window, cx)
 95                        })
 96                    }
 97
 98                    refresh(&this, cx).await.log_err();
 99                    if let Some(mut rx) = rx {
100                        while let Ok(()) = rx.recv().await {
101                            refresh(&this, cx).await.log_err();
102                        }
103                    }
104                }
105            })
106        };
107
108        let agent_server_for_subscription = agent_server.clone();
109        let settings_subscription =
110            cx.observe_global_in::<SettingsStore>(window, move |picker, window, cx| {
111                // Only refresh if the favorites actually changed to avoid redundant work
112                // when other settings are modified (e.g., user editing settings.json)
113                let new_favorites = agent_server_for_subscription.favorite_model_ids(cx);
114                if new_favorites != picker.delegate.favorites {
115                    picker.delegate.favorites = new_favorites;
116                    picker.refresh(window, cx);
117                }
118            });
119        let favorites = agent_server.favorite_model_ids(cx);
120
121        Self {
122            selector,
123            agent_server,
124            fs,
125            filtered_entries: Vec::new(),
126            models: None,
127            selected_model: None,
128            selected_index: 0,
129            selected_description: None,
130            favorites,
131            _refresh_models_task: refresh_models_task,
132            _settings_subscription: settings_subscription,
133            focus_handle,
134        }
135    }
136
137    pub fn active_model(&self) -> Option<&AgentModelInfo> {
138        self.selected_model.as_ref()
139    }
140
141    pub fn favorites_count(&self) -> usize {
142        self.favorites.len()
143    }
144
145    pub fn cycle_favorite_models(&mut self, window: &mut Window, cx: &mut Context<Picker<Self>>) {
146        if self.favorites.is_empty() {
147            return;
148        }
149
150        let Some(models) = &self.models else {
151            return;
152        };
153
154        let all_models: Vec<&AgentModelInfo> = match models {
155            AgentModelList::Flat(list) => list.iter().collect(),
156            AgentModelList::Grouped(index_map) => index_map.values().flatten().collect(),
157        };
158
159        let favorite_models: Vec<_> = all_models
160            .into_iter()
161            .filter(|model| self.favorites.contains(&model.id))
162            .unique_by(|model| &model.id)
163            .collect();
164
165        if favorite_models.is_empty() {
166            return;
167        }
168
169        let current_id = self.selected_model.as_ref().map(|m| &m.id);
170
171        let current_index_in_favorites = current_id
172            .and_then(|id| favorite_models.iter().position(|m| &m.id == id))
173            .unwrap_or(usize::MAX);
174
175        let next_index = if current_index_in_favorites == usize::MAX {
176            0
177        } else {
178            (current_index_in_favorites + 1) % favorite_models.len()
179        };
180
181        let next_model = favorite_models[next_index].clone();
182
183        self.selector
184            .select_model(next_model.id.clone(), cx)
185            .detach_and_log_err(cx);
186
187        self.selected_model = Some(next_model);
188
189        // Keep the picker selection aligned with the newly-selected model
190        if let Some(new_index) = self.filtered_entries.iter().position(|entry| {
191            matches!(entry, AcpModelPickerEntry::Model(model_info, _) if self.selected_model.as_ref().is_some_and(|selected| model_info.id == selected.id))
192        }) {
193            self.set_selected_index(new_index, window, cx);
194        } else {
195            cx.notify();
196        }
197    }
198}
199
200impl PickerDelegate for AcpModelPickerDelegate {
201    type ListItem = AnyElement;
202
203    fn match_count(&self) -> usize {
204        self.filtered_entries.len()
205    }
206
207    fn selected_index(&self) -> usize {
208        self.selected_index
209    }
210
211    fn set_selected_index(&mut self, ix: usize, _: &mut Window, cx: &mut Context<Picker<Self>>) {
212        self.selected_index = ix.min(self.filtered_entries.len().saturating_sub(1));
213        cx.notify();
214    }
215
216    fn can_select(
217        &mut self,
218        ix: usize,
219        _window: &mut Window,
220        _cx: &mut Context<Picker<Self>>,
221    ) -> bool {
222        match self.filtered_entries.get(ix) {
223            Some(AcpModelPickerEntry::Model(_, _)) => true,
224            Some(AcpModelPickerEntry::Separator(_)) | None => false,
225        }
226    }
227
228    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
229        "Select a model…".into()
230    }
231
232    fn update_matches(
233        &mut self,
234        query: String,
235        window: &mut Window,
236        cx: &mut Context<Picker<Self>>,
237    ) -> Task<()> {
238        let favorites = self.favorites.clone();
239
240        cx.spawn_in(window, async move |this, cx| {
241            let filtered_models = match this
242                .read_with(cx, |this, cx| {
243                    this.delegate.models.clone().map(move |models| {
244                        fuzzy_search(models, query, cx.background_executor().clone())
245                    })
246                })
247                .ok()
248                .flatten()
249            {
250                Some(task) => task.await,
251                None => AgentModelList::Flat(vec![]),
252            };
253
254            this.update_in(cx, |this, window, cx| {
255                this.delegate.filtered_entries =
256                    info_list_to_picker_entries(filtered_models, &favorites);
257                // Finds the currently selected model in the list
258                let new_index = this
259                    .delegate
260                    .selected_model
261                    .as_ref()
262                    .and_then(|selected| {
263                        this.delegate.filtered_entries.iter().position(|entry| {
264                            if let AcpModelPickerEntry::Model(model_info, _) = entry {
265                                model_info.id == selected.id
266                            } else {
267                                false
268                            }
269                        })
270                    })
271                    .unwrap_or(0);
272                this.set_selected_index(new_index, Some(picker::Direction::Down), true, window, cx);
273                cx.notify();
274            })
275            .ok();
276        })
277    }
278
279    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
280        if let Some(AcpModelPickerEntry::Model(model_info, _)) =
281            self.filtered_entries.get(self.selected_index)
282        {
283            if window.modifiers().secondary() {
284                let default_model = self.agent_server.default_model(cx);
285                let is_default = default_model.as_ref() == Some(&model_info.id);
286
287                self.agent_server.set_default_model(
288                    if is_default {
289                        None
290                    } else {
291                        Some(model_info.id.clone())
292                    },
293                    self.fs.clone(),
294                    cx,
295                );
296            }
297
298            self.selector
299                .select_model(model_info.id.clone(), cx)
300                .detach_and_log_err(cx);
301            self.selected_model = Some(model_info.clone());
302            let current_index = self.selected_index;
303            self.set_selected_index(current_index, window, cx);
304
305            cx.emit(DismissEvent);
306        }
307    }
308
309    fn dismissed(&mut self, window: &mut Window, cx: &mut Context<Picker<Self>>) {
310        cx.defer_in(window, |picker, window, cx| {
311            picker.set_query("", window, cx);
312        });
313    }
314
315    fn render_match(
316        &self,
317        ix: usize,
318        selected: bool,
319        _: &mut Window,
320        cx: &mut Context<Picker<Self>>,
321    ) -> Option<Self::ListItem> {
322        match self.filtered_entries.get(ix)? {
323            AcpModelPickerEntry::Separator(title) => {
324                Some(ModelSelectorHeader::new(title, ix > 1).into_any_element())
325            }
326            AcpModelPickerEntry::Model(model_info, is_favorite) => {
327                let is_selected = Some(model_info) == self.selected_model.as_ref();
328                let default_model = self.agent_server.default_model(cx);
329                let is_default = default_model.as_ref() == Some(&model_info.id);
330
331                let is_favorite = *is_favorite;
332                let handle_action_click = {
333                    let model_id = model_info.id.clone();
334                    let fs = self.fs.clone();
335                    let agent_server = self.agent_server.clone();
336
337                    cx.listener(move |_, _, _, cx| {
338                        agent_server.toggle_favorite_model(
339                            model_id.clone(),
340                            !is_favorite,
341                            fs.clone(),
342                            cx,
343                        );
344                    })
345                };
346
347                let model_cost = model_info.cost.clone();
348
349                Some(
350                    div()
351                        .id(("model-picker-menu-child", ix))
352                        .when_some(model_info.description.clone(), |this, description| {
353                            this.on_hover(cx.listener(move |menu, hovered, _, cx| {
354                                if *hovered {
355                                    menu.delegate.selected_description =
356                                        Some((ix, description.clone(), is_default));
357                                } else if matches!(menu.delegate.selected_description, Some((id, _, _)) if id == ix) {
358                                    menu.delegate.selected_description = None;
359                                }
360                                cx.notify();
361                            }))
362                        })
363                        .child(
364                            ModelSelectorListItem::new(ix, model_info.name.clone())
365                                .map(|this| match &model_info.icon {
366                                    Some(AgentModelIcon::Path(path)) => this.icon_path(path.clone()),
367                                    Some(AgentModelIcon::Named(icon)) => this.icon(*icon),
368                                    None => this,
369                                })
370                                .is_selected(is_selected)
371                                .is_focused(selected)
372                                .is_latest(model_info.is_latest)
373                                .is_favorite(is_favorite)
374                                .on_toggle_favorite(handle_action_click)
375                                .cost_info(model_cost)
376                        )
377                        .into_any_element(),
378                )
379            }
380        }
381    }
382
383    fn documentation_aside(
384        &self,
385        _window: &mut Window,
386        cx: &mut Context<Picker<Self>>,
387    ) -> Option<ui::DocumentationAside> {
388        self.selected_description
389            .as_ref()
390            .map(|(_, description, is_default)| {
391                let description = description.clone();
392                let is_default = *is_default;
393
394                let settings = AgentSettings::get_global(cx);
395                let side = match settings.dock {
396                    settings::DockPosition::Left => DocumentationSide::Right,
397                    settings::DockPosition::Bottom | settings::DockPosition::Right => {
398                        DocumentationSide::Left
399                    }
400                };
401
402                DocumentationAside::new(
403                    side,
404                    Rc::new(move |_| {
405                        v_flex()
406                            .gap_1()
407                            .child(Label::new(description.clone()))
408                            .child(HoldForDefault::new(is_default))
409                            .into_any_element()
410                    }),
411                )
412            })
413    }
414
415    fn documentation_aside_index(&self) -> Option<usize> {
416        self.selected_description.as_ref().map(|(ix, _, _)| *ix)
417    }
418
419    fn render_footer(
420        &self,
421        _window: &mut Window,
422        _cx: &mut Context<Picker<Self>>,
423    ) -> Option<AnyElement> {
424        let focus_handle = self.focus_handle.clone();
425
426        if !self.selector.should_render_footer() {
427            return None;
428        }
429
430        Some(ModelSelectorFooter::new(OpenSettings.boxed_clone(), focus_handle).into_any_element())
431    }
432}
433
434fn info_list_to_picker_entries(
435    model_list: AgentModelList,
436    favorites: &HashSet<ModelId>,
437) -> Vec<AcpModelPickerEntry> {
438    let mut entries = Vec::new();
439
440    let all_models: Vec<_> = match &model_list {
441        AgentModelList::Flat(list) => list.iter().collect(),
442        AgentModelList::Grouped(index_map) => index_map.values().flatten().collect(),
443    };
444
445    let favorite_models: Vec<_> = all_models
446        .iter()
447        .filter(|m| favorites.contains(&m.id))
448        .unique_by(|m| &m.id)
449        .collect();
450
451    let has_favorites = !favorite_models.is_empty();
452    if has_favorites {
453        entries.push(AcpModelPickerEntry::Separator("Favorite".into()));
454        for model in favorite_models {
455            entries.push(AcpModelPickerEntry::Model((*model).clone(), true));
456        }
457    }
458
459    match model_list {
460        AgentModelList::Flat(list) => {
461            if has_favorites {
462                entries.push(AcpModelPickerEntry::Separator("All".into()));
463            }
464            for model in list {
465                let is_favorite = favorites.contains(&model.id);
466                entries.push(AcpModelPickerEntry::Model(model, is_favorite));
467            }
468        }
469        AgentModelList::Grouped(index_map) => {
470            for (group_name, models) in index_map {
471                entries.push(AcpModelPickerEntry::Separator(group_name.0));
472                for model in models {
473                    let is_favorite = favorites.contains(&model.id);
474                    entries.push(AcpModelPickerEntry::Model(model, is_favorite));
475                }
476            }
477        }
478    }
479
480    entries
481}
482
483async fn fuzzy_search(
484    model_list: AgentModelList,
485    query: String,
486    executor: BackgroundExecutor,
487) -> AgentModelList {
488    async fn fuzzy_search_list(
489        model_list: Vec<AgentModelInfo>,
490        query: &str,
491        executor: BackgroundExecutor,
492    ) -> Vec<AgentModelInfo> {
493        let candidates = model_list
494            .iter()
495            .enumerate()
496            .map(|(ix, model)| StringMatchCandidate::new(ix, model.name.as_ref()))
497            .collect::<Vec<_>>();
498        let mut matches = match_strings(
499            &candidates,
500            query,
501            false,
502            true,
503            100,
504            &Default::default(),
505            executor,
506        )
507        .await;
508
509        matches.sort_unstable_by_key(|mat| {
510            let candidate = &candidates[mat.candidate_id];
511            (Reverse(OrderedFloat(mat.score)), candidate.id)
512        });
513
514        matches
515            .into_iter()
516            .map(|mat| model_list[mat.candidate_id].clone())
517            .collect()
518    }
519
520    match model_list {
521        AgentModelList::Flat(model_list) => {
522            AgentModelList::Flat(fuzzy_search_list(model_list, &query, executor).await)
523        }
524        AgentModelList::Grouped(index_map) => {
525            let groups =
526                futures::future::join_all(index_map.into_iter().map(|(group_name, models)| {
527                    fuzzy_search_list(models, &query, executor.clone())
528                        .map(|results| (group_name, results))
529                }))
530                .await;
531            AgentModelList::Grouped(IndexMap::from_iter(
532                groups
533                    .into_iter()
534                    .filter(|(_, results)| !results.is_empty()),
535            ))
536        }
537    }
538}
539
540#[cfg(test)]
541mod tests {
542    use agent_client_protocol as acp;
543    use gpui::TestAppContext;
544
545    use super::*;
546
547    fn create_model_list(grouped_models: Vec<(&str, Vec<&str>)>) -> AgentModelList {
548        AgentModelList::Grouped(IndexMap::from_iter(grouped_models.into_iter().map(
549            |(group, models)| {
550                (
551                    acp_thread::AgentModelGroupName(group.to_string().into()),
552                    models
553                        .into_iter()
554                        .map(|model| acp_thread::AgentModelInfo {
555                            id: acp::ModelId::new(model.to_string()),
556                            name: model.to_string().into(),
557                            description: None,
558                            icon: None,
559                            is_latest: false,
560                            cost: None,
561                        })
562                        .collect::<Vec<_>>(),
563                )
564            },
565        )))
566    }
567
568    fn assert_models_eq(result: AgentModelList, expected: Vec<(&str, Vec<&str>)>) {
569        let AgentModelList::Grouped(groups) = result else {
570            panic!("Expected LanguageModelInfoList::Grouped, got {:?}", result);
571        };
572
573        assert_eq!(
574            groups.len(),
575            expected.len(),
576            "Number of groups doesn't match"
577        );
578
579        for (i, (expected_group, expected_models)) in expected.iter().enumerate() {
580            let (actual_group, actual_models) = groups.get_index(i).unwrap();
581            assert_eq!(
582                actual_group.0.as_ref(),
583                *expected_group,
584                "Group at position {} doesn't match expected group",
585                i
586            );
587            assert_eq!(
588                actual_models.len(),
589                expected_models.len(),
590                "Number of models in group {} doesn't match",
591                expected_group
592            );
593
594            for (j, expected_model_name) in expected_models.iter().enumerate() {
595                assert_eq!(
596                    actual_models[j].name, *expected_model_name,
597                    "Model at position {} in group {} doesn't match expected model",
598                    j, expected_group
599                );
600            }
601        }
602    }
603
604    fn create_favorites(models: Vec<&str>) -> HashSet<ModelId> {
605        models
606            .into_iter()
607            .map(|m| ModelId::new(m.to_string()))
608            .collect()
609    }
610
611    fn get_entry_model_ids(entries: &[AcpModelPickerEntry]) -> Vec<&str> {
612        entries
613            .iter()
614            .filter_map(|entry| match entry {
615                AcpModelPickerEntry::Model(info, _) => Some(info.id.0.as_ref()),
616                _ => None,
617            })
618            .collect()
619    }
620
621    fn get_entry_labels(entries: &[AcpModelPickerEntry]) -> Vec<&str> {
622        entries
623            .iter()
624            .map(|entry| match entry {
625                AcpModelPickerEntry::Model(info, _) => info.id.0.as_ref(),
626                AcpModelPickerEntry::Separator(s) => &s,
627            })
628            .collect()
629    }
630
631    #[gpui::test]
632    async fn test_fuzzy_match(cx: &mut TestAppContext) {
633        let models = create_model_list(vec![
634            (
635                "zed",
636                vec![
637                    "Claude 3.7 Sonnet",
638                    "Claude 3.7 Sonnet Thinking",
639                    "gpt-5",
640                    "gpt-5-mini",
641                ],
642            ),
643            ("openai", vec!["gpt-3.5-turbo", "gpt-5", "gpt-5-mini"]),
644            ("ollama", vec!["mistral", "deepseek"]),
645        ]);
646
647        // Results should preserve models order whenever possible.
648        // In the case below, `zed/gpt-5-mini` and `openai/gpt-5-mini` have identical
649        // similarity scores, but `zed/gpt-5-mini` was higher in the models list,
650        // so it should appear first in the results.
651        let results = fuzzy_search(models.clone(), "mini".into(), cx.executor()).await;
652        assert_models_eq(
653            results,
654            vec![("zed", vec!["gpt-5-mini"]), ("openai", vec!["gpt-5-mini"])],
655        );
656
657        // Fuzzy search - test with specific model name
658        let results = fuzzy_search(models.clone(), "mistral".into(), cx.executor()).await;
659        assert_models_eq(results, vec![("ollama", vec!["mistral"])]);
660    }
661
662    #[gpui::test]
663    fn test_favorites_section_appears_when_favorites_exist(_cx: &mut TestAppContext) {
664        let models = create_model_list(vec![
665            ("zed", vec!["zed/claude", "zed/gemini"]),
666            ("openai", vec!["openai/gpt-5"]),
667        ]);
668        let favorites = create_favorites(vec!["zed/gemini"]);
669
670        let entries = info_list_to_picker_entries(models, &favorites);
671
672        assert!(matches!(
673            entries.first(),
674            Some(AcpModelPickerEntry::Separator(s)) if s == "Favorite"
675        ));
676
677        let model_ids = get_entry_model_ids(&entries);
678        assert_eq!(model_ids[0], "zed/gemini");
679    }
680
681    #[gpui::test]
682    fn test_no_favorites_section_when_no_favorites(_cx: &mut TestAppContext) {
683        let models = create_model_list(vec![("zed", vec!["zed/claude", "zed/gemini"])]);
684        let favorites = create_favorites(vec![]);
685
686        let entries = info_list_to_picker_entries(models, &favorites);
687
688        assert!(matches!(
689            entries.first(),
690            Some(AcpModelPickerEntry::Separator(s)) if s == "zed"
691        ));
692    }
693
694    #[gpui::test]
695    fn test_models_have_correct_actions(_cx: &mut TestAppContext) {
696        let models = create_model_list(vec![
697            ("zed", vec!["zed/claude", "zed/gemini"]),
698            ("openai", vec!["openai/gpt-5"]),
699        ]);
700        let favorites = create_favorites(vec!["zed/claude"]);
701
702        let entries = info_list_to_picker_entries(models, &favorites);
703
704        for entry in &entries {
705            if let AcpModelPickerEntry::Model(info, is_favorite) = entry {
706                if info.id.0.as_ref() == "zed/claude" {
707                    assert!(is_favorite, "zed/claude should be a favorite");
708                } else {
709                    assert!(!is_favorite, "{} should not be a favorite", info.id.0);
710                }
711            }
712        }
713    }
714
715    #[gpui::test]
716    fn test_favorites_appear_in_both_sections(_cx: &mut TestAppContext) {
717        let models = create_model_list(vec![
718            ("zed", vec!["zed/claude", "zed/gemini"]),
719            ("openai", vec!["openai/gpt-5", "openai/gpt-4"]),
720        ]);
721        let favorites = create_favorites(vec!["zed/gemini", "openai/gpt-5"]);
722
723        let entries = info_list_to_picker_entries(models, &favorites);
724        let model_ids = get_entry_model_ids(&entries);
725
726        assert_eq!(model_ids[0], "zed/gemini");
727        assert_eq!(model_ids[1], "openai/gpt-5");
728
729        assert!(model_ids[2..].contains(&"zed/gemini"));
730        assert!(model_ids[2..].contains(&"openai/gpt-5"));
731    }
732
733    #[gpui::test]
734    fn test_favorites_are_not_duplicated_when_repeated_in_other_sections(_cx: &mut TestAppContext) {
735        let models = create_model_list(vec![
736            ("Recommended", vec!["zed/claude", "anthropic/claude"]),
737            ("Zed", vec!["zed/claude", "zed/gpt-5"]),
738            ("Antropic", vec!["anthropic/claude"]),
739            ("OpenAI", vec!["openai/gpt-5"]),
740        ]);
741
742        let favorites = create_favorites(vec!["zed/claude"]);
743
744        let entries = info_list_to_picker_entries(models, &favorites);
745        let labels = get_entry_labels(&entries);
746
747        assert_eq!(
748            labels,
749            vec![
750                "Favorite",
751                "zed/claude",
752                "Recommended",
753                "zed/claude",
754                "anthropic/claude",
755                "Zed",
756                "zed/claude",
757                "zed/gpt-5",
758                "Antropic",
759                "anthropic/claude",
760                "OpenAI",
761                "openai/gpt-5"
762            ]
763        );
764    }
765
766    #[gpui::test]
767    fn test_flat_model_list_with_favorites(_cx: &mut TestAppContext) {
768        let models = AgentModelList::Flat(vec![
769            acp_thread::AgentModelInfo {
770                id: acp::ModelId::new("zed/claude".to_string()),
771                name: "Claude".into(),
772                description: None,
773                icon: None,
774                is_latest: false,
775                cost: None,
776            },
777            acp_thread::AgentModelInfo {
778                id: acp::ModelId::new("zed/gemini".to_string()),
779                name: "Gemini".into(),
780                description: None,
781                icon: None,
782                is_latest: false,
783                cost: None,
784            },
785        ]);
786        let favorites = create_favorites(vec!["zed/gemini"]);
787
788        let entries = info_list_to_picker_entries(models, &favorites);
789
790        assert!(matches!(
791            entries.first(),
792            Some(AcpModelPickerEntry::Separator(s)) if s == "Favorite"
793        ));
794
795        assert!(entries.iter().any(|e| matches!(
796            e,
797            AcpModelPickerEntry::Separator(s) if s == "All"
798        )));
799    }
800
801    #[gpui::test]
802    fn test_favorites_count_returns_correct_count(_cx: &mut TestAppContext) {
803        let empty_favorites: HashSet<ModelId> = HashSet::default();
804        assert_eq!(empty_favorites.len(), 0);
805
806        let one_favorite = create_favorites(vec!["model-a"]);
807        assert_eq!(one_favorite.len(), 1);
808
809        let multiple_favorites = create_favorites(vec!["model-a", "model-b", "model-c"]);
810        assert_eq!(multiple_favorites.len(), 3);
811
812        let with_duplicates = create_favorites(vec!["model-a", "model-a", "model-b"]);
813        assert_eq!(with_duplicates.len(), 2);
814    }
815
816    #[gpui::test]
817    fn test_is_favorite_flag_set_correctly_in_entries(_cx: &mut TestAppContext) {
818        let models = AgentModelList::Flat(vec![
819            acp_thread::AgentModelInfo {
820                id: acp::ModelId::new("favorite-model".to_string()),
821                name: "Favorite".into(),
822                description: None,
823                icon: None,
824                is_latest: false,
825                cost: None,
826            },
827            acp_thread::AgentModelInfo {
828                id: acp::ModelId::new("regular-model".to_string()),
829                name: "Regular".into(),
830                description: None,
831                icon: None,
832                is_latest: false,
833                cost: None,
834            },
835        ]);
836        let favorites = create_favorites(vec!["favorite-model"]);
837
838        let entries = info_list_to_picker_entries(models, &favorites);
839
840        for entry in &entries {
841            if let AcpModelPickerEntry::Model(info, is_favorite) = entry {
842                if info.id.0.as_ref() == "favorite-model" {
843                    assert!(*is_favorite, "favorite-model should have is_favorite=true");
844                } else if info.id.0.as_ref() == "regular-model" {
845                    assert!(!*is_favorite, "regular-model should have is_favorite=false");
846                }
847            }
848        }
849    }
850}