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, MultiBuffer,
 7};
 8
 9use gpui::{ModelHandle, ViewContext};
10
11use util::test::{marked_text_offsets, marked_text_ranges};
12
13#[cfg(test)]
14#[ctor::ctor]
15fn init_logger() {
16    if std::env::var("RUST_LOG").is_ok() {
17        env_logger::init();
18    }
19}
20
21// Returns a snapshot from text containing '|' character markers with the markers removed, and DisplayPoints for each one.
22pub fn marked_display_snapshot(
23    text: &str,
24    cx: &mut gpui::MutableAppContext,
25) -> (DisplaySnapshot, Vec<DisplayPoint>) {
26    let (unmarked_text, markers) = marked_text_offsets(text);
27
28    let family_id = cx.font_cache().load_family(&["Helvetica"]).unwrap();
29    let font_id = cx
30        .font_cache()
31        .select_font(family_id, &Default::default())
32        .unwrap();
33    let font_size = 14.0;
34
35    let buffer = MultiBuffer::build_simple(&unmarked_text, cx);
36    let display_map =
37        cx.add_model(|cx| DisplayMap::new(buffer, font_id, font_size, None, 1, 1, cx));
38    let snapshot = display_map.update(cx, |map, cx| map.snapshot(cx));
39    let markers = markers
40        .into_iter()
41        .map(|offset| offset.to_display_point(&snapshot))
42        .collect();
43
44    (snapshot, markers)
45}
46
47pub fn select_ranges(editor: &mut Editor, marked_text: &str, cx: &mut ViewContext<Editor>) {
48    let (umarked_text, text_ranges) = marked_text_ranges(marked_text, true);
49    assert_eq!(editor.text(cx), umarked_text);
50    editor.change_selections(None, cx, |s| s.select_ranges(text_ranges));
51}
52
53pub fn assert_text_with_selections(
54    editor: &mut Editor,
55    marked_text: &str,
56    cx: &mut ViewContext<Editor>,
57) {
58    let (unmarked_text, text_ranges) = marked_text_ranges(marked_text, true);
59    assert_eq!(editor.text(cx), unmarked_text);
60    assert_eq!(editor.selections.ranges(cx), text_ranges);
61}
62
63pub(crate) fn build_editor(
64    buffer: ModelHandle<MultiBuffer>,
65    cx: &mut ViewContext<Editor>,
66) -> Editor {
67    Editor::new(EditorMode::Full, buffer, None, None, cx)
68}