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