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