1use util::test::marked_text;
 2
 3use crate::{
 4    display_map::{DisplayMap, DisplaySnapshot, ToDisplayPoint},
 5    DisplayPoint, MultiBuffer,
 6};
 7
 8#[cfg(test)]
 9#[ctor::ctor]
10fn init_logger() {
11    if std::env::var("RUST_LOG").is_ok() {
12        env_logger::init();
13    }
14}
15
16// Returns a snapshot from text containing '|' character markers with the markers removed, and DisplayPoints for each one.
17pub fn marked_display_snapshot(
18    text: &str,
19    cx: &mut gpui::MutableAppContext,
20) -> (DisplaySnapshot, Vec<DisplayPoint>) {
21    let (unmarked_text, markers) = marked_text(text);
22
23    let family_id = cx.font_cache().load_family(&["Helvetica"]).unwrap();
24    let font_id = cx
25        .font_cache()
26        .select_font(family_id, &Default::default())
27        .unwrap();
28    let font_size = 14.0;
29
30    let buffer = MultiBuffer::build_simple(&unmarked_text, cx);
31    let display_map =
32        cx.add_model(|cx| DisplayMap::new(buffer, font_id, font_size, None, 1, 1, cx));
33    let snapshot = display_map.update(cx, |map, cx| map.snapshot(cx));
34    let markers = markers
35        .into_iter()
36        .map(|offset| offset.to_display_point(&snapshot))
37        .collect();
38
39    (snapshot, markers)
40}