vim_test_context.rs

  1use std::ops::{Deref, DerefMut};
  2
  3use editor::test::{
  4    editor_lsp_test_context::EditorLspTestContext, editor_test_context::EditorTestContext,
  5};
  6use futures::Future;
  7use gpui::{Context, View, VisualContext};
  8use lsp::request;
  9use search::BufferSearchBar;
 10
 11use crate::{state::Operator, *};
 12
 13pub struct VimTestContext<'a> {
 14    cx: EditorLspTestContext<'a>,
 15}
 16
 17impl<'a> VimTestContext<'a> {
 18    pub async fn new(cx: &'a mut gpui::TestAppContext, enabled: bool) -> VimTestContext<'a> {
 19        cx.update(|cx| {
 20            search::init(cx);
 21            let settings = SettingsStore::test(cx);
 22            cx.set_global(settings);
 23            command_palette::init(cx);
 24            crate::init(cx);
 25        });
 26        let lsp = EditorLspTestContext::new_rust(Default::default(), cx).await;
 27        Self::new_with_lsp(lsp, enabled)
 28    }
 29
 30    pub async fn new_typescript(cx: &'a mut gpui::TestAppContext) -> VimTestContext<'a> {
 31        cx.update(|cx| {
 32            search::init(cx);
 33            let settings = SettingsStore::test(cx);
 34            cx.set_global(settings);
 35            command_palette::init(cx);
 36            crate::init(cx);
 37        });
 38        Self::new_with_lsp(
 39            EditorLspTestContext::new_typescript(Default::default(), cx).await,
 40            true,
 41        )
 42    }
 43
 44    pub fn new_with_lsp(mut cx: EditorLspTestContext<'a>, enabled: bool) -> VimTestContext<'a> {
 45        cx.update(|cx| {
 46            cx.update_global(|store: &mut SettingsStore, cx| {
 47                store.update_user_settings::<VimModeSetting>(cx, |s| *s = Some(enabled));
 48            });
 49            settings::KeymapFile::load_asset("keymaps/default.json", cx).unwrap();
 50            settings::KeymapFile::load_asset("keymaps/vim.json", cx).unwrap();
 51        });
 52
 53        // Setup search toolbars and keypress hook
 54        cx.update_workspace(|workspace, cx| {
 55            observe_keystrokes(cx);
 56            workspace.active_pane().update(cx, |pane, cx| {
 57                pane.toolbar().update(cx, |toolbar, cx| {
 58                    let buffer_search_bar = cx.build_view(BufferSearchBar::new);
 59                    toolbar.add_item(buffer_search_bar, cx);
 60                    // todo!();
 61                    // let project_search_bar = cx.add_view(|_| ProjectSearchBar::new());
 62                    // toolbar.add_item(project_search_bar, cx);
 63                })
 64            });
 65            workspace.status_bar().update(cx, |status_bar, cx| {
 66                let vim_mode_indicator = cx.build_view(ModeIndicator::new);
 67                status_bar.add_right_item(vim_mode_indicator, cx);
 68            });
 69        });
 70
 71        Self { cx }
 72    }
 73
 74    pub fn update_view<F, T, R>(&mut self, view: View<T>, update: F) -> R
 75    where
 76        T: 'static,
 77        F: FnOnce(&mut T, &mut ViewContext<T>) -> R + 'static,
 78    {
 79        let window = self.window.clone();
 80        self.update_window(window, move |_, cx| view.update(cx, update))
 81            .unwrap()
 82    }
 83
 84    pub fn workspace<F, T>(&mut self, update: F) -> T
 85    where
 86        F: FnOnce(&mut Workspace, &mut ViewContext<Workspace>) -> T,
 87    {
 88        self.cx.update_workspace(update)
 89    }
 90
 91    pub fn enable_vim(&mut self) {
 92        self.cx.update(|cx| {
 93            cx.update_global(|store: &mut SettingsStore, cx| {
 94                store.update_user_settings::<VimModeSetting>(cx, |s| *s = Some(true));
 95            });
 96        })
 97    }
 98
 99    pub fn disable_vim(&mut self) {
100        self.cx.update(|cx| {
101            cx.update_global(|store: &mut SettingsStore, cx| {
102                store.update_user_settings::<VimModeSetting>(cx, |s| *s = Some(false));
103            });
104        })
105    }
106
107    pub fn mode(&mut self) -> Mode {
108        self.cx.read(|cx| cx.global::<Vim>().state().mode)
109    }
110
111    pub fn active_operator(&mut self) -> Option<Operator> {
112        self.cx
113            .read(|cx| cx.global::<Vim>().state().operator_stack.last().copied())
114    }
115
116    pub fn set_state(&mut self, text: &str, mode: Mode) {
117        let window = self.window;
118        self.cx.set_state(text);
119        self.update_window(window, |_, cx| {
120            Vim::update(cx, |vim, cx| {
121                vim.switch_mode(mode, true, cx);
122            })
123        });
124        self.cx.cx.cx.run_until_parked();
125    }
126
127    #[track_caller]
128    pub fn assert_state(&mut self, text: &str, mode: Mode) {
129        self.assert_editor_state(text);
130        assert_eq!(self.mode(), mode, "{}", self.assertion_context());
131    }
132
133    pub fn assert_binding<const COUNT: usize>(
134        &mut self,
135        keystrokes: [&str; COUNT],
136        initial_state: &str,
137        initial_mode: Mode,
138        state_after: &str,
139        mode_after: Mode,
140    ) {
141        self.set_state(initial_state, initial_mode);
142        self.cx.simulate_keystrokes(keystrokes);
143        self.cx.assert_editor_state(state_after);
144        assert_eq!(self.mode(), mode_after, "{}", self.assertion_context());
145        assert_eq!(self.active_operator(), None, "{}", self.assertion_context());
146    }
147
148    pub fn handle_request<T, F, Fut>(
149        &self,
150        handler: F,
151    ) -> futures::channel::mpsc::UnboundedReceiver<()>
152    where
153        T: 'static + request::Request,
154        T::Params: 'static + Send,
155        F: 'static + Send + FnMut(lsp::Url, T::Params, gpui::AsyncAppContext) -> Fut,
156        Fut: 'static + Send + Future<Output = Result<T::Result>>,
157    {
158        self.cx.handle_request::<T, F, Fut>(handler)
159    }
160}
161
162impl<'a> Deref for VimTestContext<'a> {
163    type Target = EditorTestContext<'a>;
164
165    fn deref(&self) -> &Self::Target {
166        &self.cx
167    }
168}
169
170impl<'a> DerefMut for VimTestContext<'a> {
171    fn deref_mut(&mut self) -> &mut Self::Target {
172        &mut self.cx
173    }
174}