332 lines
11 KiB
Rust
332 lines
11 KiB
Rust
use crate::{
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display_map::ToDisplayPoint, AnchorRangeExt, Autoscroll, DisplayPoint, Editor, MultiBuffer,
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};
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use futures::Future;
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use gpui::{
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AnyWindowHandle, AppContext, ForegroundExecutor, Keystroke, ModelContext, View, ViewContext,
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};
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use indoc::indoc;
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use language::{Buffer, BufferSnapshot};
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use project::{FakeFs, Project};
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use std::{
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any::TypeId,
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ops::{Deref, DerefMut, Range},
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};
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use util::{
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assert_set_eq,
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test::{generate_marked_text, marked_text_ranges},
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};
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// use super::build_editor_with_project;
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// pub struct EditorTestContext<'a> {
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// pub cx: &'a mut gpui::TestAppContext,
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// pub window: AnyWindowHandle,
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// pub editor: View<Editor>,
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// }
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// impl<'a> EditorTestContext<'a> {
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// pub async fn new(cx: &'a mut gpui::TestAppContext) -> EditorTestContext<'a> {
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// let fs = FakeFs::new(cx.background());
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// // fs.insert_file("/file", "".to_owned()).await;
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// fs.insert_tree(
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// "/root",
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// gpui::serde_json::json!({
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// "file": "",
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// }),
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// )
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// .await;
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// let project = Project::test(fs, ["/root".as_ref()], cx).await;
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// let buffer = project
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// .update(cx, |project, cx| {
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// project.open_local_buffer("/root/file", cx)
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// })
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// .await
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// .unwrap();
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// let window = cx.add_window(|cx| {
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// cx.focus_self();
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// build_editor_with_project(project, MultiBuffer::build_from_buffer(buffer, cx), cx)
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// });
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// let editor = window.root(cx);
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// Self {
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// cx,
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// window: window.into(),
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// editor,
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// }
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// }
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// pub fn condition(
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// &self,
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// predicate: impl FnMut(&Editor, &AppContext) -> bool,
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// ) -> impl Future<Output = ()> {
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// self.editor.condition(self.cx, predicate)
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// }
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// pub fn editor<F, T>(&self, read: F) -> T
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// where
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// F: FnOnce(&Editor, &ViewContext<Editor>) -> T,
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// {
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// self.editor.update(self.cx, read)
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// }
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// pub fn update_editor<F, T>(&mut self, update: F) -> T
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// where
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// F: FnOnce(&mut Editor, &mut ViewContext<Editor>) -> T,
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// {
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// self.editor.update(self.cx, update)
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// }
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// pub fn multibuffer<F, T>(&self, read: F) -> T
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// where
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// F: FnOnce(&MultiBuffer, &AppContext) -> T,
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// {
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// self.editor(|editor, cx| read(editor.buffer().read(cx), cx))
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// }
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// pub fn update_multibuffer<F, T>(&mut self, update: F) -> T
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// where
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// F: FnOnce(&mut MultiBuffer, &mut ModelContext<MultiBuffer>) -> T,
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// {
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// self.update_editor(|editor, cx| editor.buffer().update(cx, update))
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// }
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// pub fn buffer_text(&self) -> String {
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// self.multibuffer(|buffer, cx| buffer.snapshot(cx).text())
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// }
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// pub fn buffer<F, T>(&self, read: F) -> T
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// where
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// F: FnOnce(&Buffer, &AppContext) -> T,
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// {
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// self.multibuffer(|multibuffer, cx| {
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// let buffer = multibuffer.as_singleton().unwrap().read(cx);
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// read(buffer, cx)
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// })
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// }
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// pub fn update_buffer<F, T>(&mut self, update: F) -> T
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// where
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// F: FnOnce(&mut Buffer, &mut ModelContext<Buffer>) -> T,
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// {
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// self.update_multibuffer(|multibuffer, cx| {
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// let buffer = multibuffer.as_singleton().unwrap();
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// buffer.update(cx, update)
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// })
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// }
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// pub fn buffer_snapshot(&self) -> BufferSnapshot {
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// self.buffer(|buffer, _| buffer.snapshot())
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// }
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// pub fn simulate_keystroke(&mut self, keystroke_text: &str) -> ContextHandle {
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// let keystroke_under_test_handle =
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// self.add_assertion_context(format!("Simulated Keystroke: {:?}", keystroke_text));
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// let keystroke = Keystroke::parse(keystroke_text).unwrap();
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// self.cx.dispatch_keystroke(self.window, keystroke, false);
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// keystroke_under_test_handle
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// }
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// pub fn simulate_keystrokes<const COUNT: usize>(
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// &mut self,
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// keystroke_texts: [&str; COUNT],
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// ) -> ContextHandle {
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// let keystrokes_under_test_handle =
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// self.add_assertion_context(format!("Simulated Keystrokes: {:?}", keystroke_texts));
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// for keystroke_text in keystroke_texts.into_iter() {
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// self.simulate_keystroke(keystroke_text);
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// }
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// // it is common for keyboard shortcuts to kick off async actions, so this ensures that they are complete
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// // before returning.
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// // NOTE: we don't do this in simulate_keystroke() because a possible cause of bugs is that typing too
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// // quickly races with async actions.
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// if let Foreground::Deterministic { cx_id: _, executor } = self.cx.foreground().as_ref() {
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// executor.run_until_parked();
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// } else {
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// unreachable!();
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// }
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// keystrokes_under_test_handle
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// }
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// pub fn ranges(&self, marked_text: &str) -> Vec<Range<usize>> {
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// let (unmarked_text, ranges) = marked_text_ranges(marked_text, false);
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// assert_eq!(self.buffer_text(), unmarked_text);
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// ranges
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// }
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// pub fn display_point(&mut self, marked_text: &str) -> DisplayPoint {
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// let ranges = self.ranges(marked_text);
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// let snapshot = self
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// .editor
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// .update(self.cx, |editor, cx| editor.snapshot(cx));
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// ranges[0].start.to_display_point(&snapshot)
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// }
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// // Returns anchors for the current buffer using `«` and `»`
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// pub fn text_anchor_range(&self, marked_text: &str) -> Range<language::Anchor> {
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// let ranges = self.ranges(marked_text);
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// let snapshot = self.buffer_snapshot();
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// snapshot.anchor_before(ranges[0].start)..snapshot.anchor_after(ranges[0].end)
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// }
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// pub fn set_diff_base(&mut self, diff_base: Option<&str>) {
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// let diff_base = diff_base.map(String::from);
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// self.update_buffer(|buffer, cx| buffer.set_diff_base(diff_base, cx));
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// }
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// /// Change the editor's text and selections using a string containing
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// /// embedded range markers that represent the ranges and directions of
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// /// each selection.
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// ///
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// /// Returns a context handle so that assertion failures can print what
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// /// editor state was needed to cause the failure.
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// ///
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// /// See the `util::test::marked_text_ranges` function for more information.
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// pub fn set_state(&mut self, marked_text: &str) -> ContextHandle {
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// let state_context = self.add_assertion_context(format!(
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// "Initial Editor State: \"{}\"",
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// marked_text.escape_debug().to_string()
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// ));
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// let (unmarked_text, selection_ranges) = marked_text_ranges(marked_text, true);
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// self.editor.update(self.cx, |editor, cx| {
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// editor.set_text(unmarked_text, cx);
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// editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
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// s.select_ranges(selection_ranges)
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// })
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// });
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// state_context
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// }
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// /// Only change the editor's selections
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// pub fn set_selections_state(&mut self, marked_text: &str) -> ContextHandle {
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// let state_context = self.add_assertion_context(format!(
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// "Initial Editor State: \"{}\"",
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// marked_text.escape_debug().to_string()
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// ));
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// let (unmarked_text, selection_ranges) = marked_text_ranges(marked_text, true);
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// self.editor.update(self.cx, |editor, cx| {
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// assert_eq!(editor.text(cx), unmarked_text);
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// editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
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// s.select_ranges(selection_ranges)
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// })
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// });
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// state_context
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// }
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// /// Make an assertion about the editor's text and the ranges and directions
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// /// of its selections using a string containing embedded range markers.
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// ///
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// /// See the `util::test::marked_text_ranges` function for more information.
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// #[track_caller]
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// pub fn assert_editor_state(&mut self, marked_text: &str) {
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// let (unmarked_text, expected_selections) = marked_text_ranges(marked_text, true);
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// let buffer_text = self.buffer_text();
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// if buffer_text != unmarked_text {
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// panic!("Unmarked text doesn't match buffer text\nBuffer text: {buffer_text:?}\nUnmarked text: {unmarked_text:?}\nRaw buffer text\n{buffer_text}Raw unmarked text\n{unmarked_text}");
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// }
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// self.assert_selections(expected_selections, marked_text.to_string())
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// }
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// pub fn editor_state(&mut self) -> String {
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// generate_marked_text(self.buffer_text().as_str(), &self.editor_selections(), true)
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// }
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// #[track_caller]
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// pub fn assert_editor_background_highlights<Tag: 'static>(&mut self, marked_text: &str) {
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// let expected_ranges = self.ranges(marked_text);
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// let actual_ranges: Vec<Range<usize>> = self.update_editor(|editor, cx| {
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// let snapshot = editor.snapshot(cx);
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// editor
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// .background_highlights
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// .get(&TypeId::of::<Tag>())
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// .map(|h| h.1.clone())
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// .unwrap_or_default()
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// .into_iter()
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// .map(|range| range.to_offset(&snapshot.buffer_snapshot))
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// .collect()
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// });
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// assert_set_eq!(actual_ranges, expected_ranges);
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// }
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// #[track_caller]
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// pub fn assert_editor_text_highlights<Tag: ?Sized + 'static>(&mut self, marked_text: &str) {
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// let expected_ranges = self.ranges(marked_text);
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// let snapshot = self.update_editor(|editor, cx| editor.snapshot(cx));
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// let actual_ranges: Vec<Range<usize>> = snapshot
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// .text_highlight_ranges::<Tag>()
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// .map(|ranges| ranges.as_ref().clone().1)
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// .unwrap_or_default()
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// .into_iter()
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// .map(|range| range.to_offset(&snapshot.buffer_snapshot))
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// .collect();
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// assert_set_eq!(actual_ranges, expected_ranges);
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// }
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// #[track_caller]
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// pub fn assert_editor_selections(&mut self, expected_selections: Vec<Range<usize>>) {
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// let expected_marked_text =
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// generate_marked_text(&self.buffer_text(), &expected_selections, true);
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// self.assert_selections(expected_selections, expected_marked_text)
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// }
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// fn editor_selections(&self) -> Vec<Range<usize>> {
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// self.editor
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// .read_with(self.cx, |editor, cx| editor.selections.all::<usize>(cx))
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// .into_iter()
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// .map(|s| {
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// if s.reversed {
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// s.end..s.start
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// } else {
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// s.start..s.end
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// }
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// })
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// .collect::<Vec<_>>()
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// }
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// #[track_caller]
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// fn assert_selections(
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// &mut self,
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// expected_selections: Vec<Range<usize>>,
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// expected_marked_text: String,
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// ) {
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// let actual_selections = self.editor_selections();
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// let actual_marked_text =
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// generate_marked_text(&self.buffer_text(), &actual_selections, true);
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// if expected_selections != actual_selections {
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// panic!(
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// indoc! {"
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// {}Editor has unexpected selections.
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// Expected selections:
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// {}
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// Actual selections:
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// {}
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// "},
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// self.assertion_context(),
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// expected_marked_text,
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// actual_marked_text,
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// );
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// }
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// }
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// }
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impl<'a> Deref for EditorTestContext<'a> {
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type Target = gpui::TestAppContext;
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fn deref(&self) -> &Self::Target {
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self.cx
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}
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}
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impl<'a> DerefMut for EditorTestContext<'a> {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.cx
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}
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}
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