test.rs

  1pub mod editor_lsp_test_context;
  2pub mod editor_test_context;
  3
  4use crate::{
  5    display_map::{DisplayMap, DisplaySnapshot, ToDisplayPoint},
  6    DisplayPoint, Editor, EditorMode, FoldPlaceholder, MultiBuffer,
  7};
  8use gpui::{Context, Font, FontFeatures, FontStyle, FontWeight, Model, Pixels, ViewContext};
  9use project::Project;
 10use util::test::{marked_text_offsets, marked_text_ranges};
 11
 12#[cfg(test)]
 13#[ctor::ctor]
 14fn init_logger() {
 15    if std::env::var("RUST_LOG").is_ok() {
 16        env_logger::init();
 17    }
 18}
 19
 20// Returns a snapshot from text containing '|' character markers with the markers removed, and DisplayPoints for each one.
 21pub fn marked_display_snapshot(
 22    text: &str,
 23    cx: &mut gpui::AppContext,
 24) -> (DisplaySnapshot, Vec<DisplayPoint>) {
 25    let (unmarked_text, markers) = marked_text_offsets(text);
 26
 27    let font = Font {
 28        family: "Zed Plex Mono".into(),
 29        features: FontFeatures::default(),
 30        fallbacks: None,
 31        weight: FontWeight::default(),
 32        style: FontStyle::default(),
 33    };
 34    let font_size: Pixels = 14usize.into();
 35
 36    let buffer = MultiBuffer::build_simple(&unmarked_text, cx);
 37    let display_map = cx.new_model(|cx| {
 38        DisplayMap::new(
 39            buffer,
 40            font,
 41            font_size,
 42            None,
 43            true,
 44            1,
 45            1,
 46            1,
 47            FoldPlaceholder::test(),
 48            cx,
 49        )
 50    });
 51    let snapshot = display_map.update(cx, |map, cx| map.snapshot(cx));
 52    let markers = markers
 53        .into_iter()
 54        .map(|offset| offset.to_display_point(&snapshot))
 55        .collect();
 56
 57    (snapshot, markers)
 58}
 59
 60pub fn select_ranges(editor: &mut Editor, marked_text: &str, cx: &mut ViewContext<Editor>) {
 61    let (unmarked_text, text_ranges) = marked_text_ranges(marked_text, true);
 62    assert_eq!(editor.text(cx), unmarked_text);
 63    editor.change_selections(None, cx, |s| s.select_ranges(text_ranges));
 64}
 65
 66#[track_caller]
 67pub fn assert_text_with_selections(
 68    editor: &mut Editor,
 69    marked_text: &str,
 70    cx: &mut ViewContext<Editor>,
 71) {
 72    let (unmarked_text, text_ranges) = marked_text_ranges(marked_text, true);
 73    assert_eq!(editor.text(cx), unmarked_text);
 74    assert_eq!(editor.selections.ranges(cx), text_ranges);
 75}
 76
 77// RA thinks this is dead code even though it is used in a whole lot of tests
 78#[allow(dead_code)]
 79#[cfg(any(test, feature = "test-support"))]
 80pub(crate) fn build_editor(buffer: Model<MultiBuffer>, cx: &mut ViewContext<Editor>) -> Editor {
 81    Editor::new(EditorMode::Full, buffer, None, true, cx)
 82}
 83
 84pub(crate) fn build_editor_with_project(
 85    project: Model<Project>,
 86    buffer: Model<MultiBuffer>,
 87    cx: &mut ViewContext<Editor>,
 88) -> Editor {
 89    Editor::new(EditorMode::Full, buffer, Some(project), true, cx)
 90}
 91
 92#[cfg(any(test, feature = "test-support"))]
 93pub fn editor_hunks(
 94    editor: &Editor,
 95    snapshot: &DisplaySnapshot,
 96    cx: &mut ViewContext<'_, Editor>,
 97) -> Vec<(
 98    String,
 99    git::diff::DiffHunkStatus,
100    std::ops::Range<crate::DisplayRow>,
101)> {
102    use multi_buffer::MultiBufferRow;
103    use text::Point;
104
105    use crate::hunk_status;
106
107    snapshot
108        .buffer_snapshot
109        .git_diff_hunks_in_range(MultiBufferRow::MIN..MultiBufferRow::MAX)
110        .map(|hunk| {
111            let display_range = Point::new(hunk.associated_range.start.0, 0)
112                .to_display_point(snapshot)
113                .row()
114                ..Point::new(hunk.associated_range.end.0, 0)
115                    .to_display_point(snapshot)
116                    .row();
117            let (_, buffer, _) = editor
118                .buffer()
119                .read(cx)
120                .excerpt_containing(Point::new(hunk.associated_range.start.0, 0), cx)
121                .expect("no excerpt for expanded buffer's hunk start");
122            let diff_base = buffer
123                .read(cx)
124                .diff_base()
125                .expect("should have a diff base for expanded hunk")
126                .slice(hunk.diff_base_byte_range.clone())
127                .to_string();
128            (diff_base, hunk_status(&hunk), display_range)
129        })
130        .collect()
131}
132
133#[cfg(any(test, feature = "test-support"))]
134pub fn expanded_hunks(
135    editor: &Editor,
136    snapshot: &DisplaySnapshot,
137    cx: &mut ViewContext<'_, Editor>,
138) -> Vec<(
139    String,
140    git::diff::DiffHunkStatus,
141    std::ops::Range<crate::DisplayRow>,
142)> {
143    editor
144        .expanded_hunks
145        .hunks(false)
146        .map(|expanded_hunk| {
147            let hunk_display_range = expanded_hunk
148                .hunk_range
149                .start
150                .to_display_point(snapshot)
151                .row()
152                ..expanded_hunk
153                    .hunk_range
154                    .end
155                    .to_display_point(snapshot)
156                    .row();
157            let (_, buffer, _) = editor
158                .buffer()
159                .read(cx)
160                .excerpt_containing(expanded_hunk.hunk_range.start, cx)
161                .expect("no excerpt for expanded buffer's hunk start");
162            let diff_base = buffer
163                .read(cx)
164                .diff_base()
165                .expect("should have a diff base for expanded hunk")
166                .slice(expanded_hunk.diff_base_byte_range.clone())
167                .to_string();
168            (diff_base, expanded_hunk.status, hunk_display_range)
169        })
170        .collect()
171}
172
173#[cfg(any(test, feature = "test-support"))]
174pub fn expanded_hunks_background_highlights(
175    editor: &mut Editor,
176    cx: &mut gpui::WindowContext,
177) -> Vec<std::ops::RangeInclusive<crate::DisplayRow>> {
178    use crate::DisplayRow;
179
180    let mut highlights = Vec::new();
181
182    let mut range_start = 0;
183    let mut previous_highlighted_row = None;
184    for (highlighted_row, _) in editor.highlighted_display_rows(cx) {
185        match previous_highlighted_row {
186            Some(previous_row) => {
187                if previous_row + 1 != highlighted_row.0 {
188                    highlights.push(DisplayRow(range_start)..=DisplayRow(previous_row));
189                    range_start = highlighted_row.0;
190                }
191            }
192            None => {
193                range_start = highlighted_row.0;
194            }
195        }
196        previous_highlighted_row = Some(highlighted_row.0);
197    }
198    if let Some(previous_row) = previous_highlighted_row {
199        highlights.push(DisplayRow(range_start)..=DisplayRow(previous_row));
200    }
201
202    highlights
203}