diff options
Diffstat (limited to 'crates/libeditor/src/test_utils.rs')
-rw-r--r-- | crates/libeditor/src/test_utils.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crates/libeditor/src/test_utils.rs b/crates/libeditor/src/test_utils.rs new file mode 100644 index 000000000..475f560fa --- /dev/null +++ b/crates/libeditor/src/test_utils.rs | |||
@@ -0,0 +1,20 @@ | |||
1 | use libsyntax2::{File, TextUnit}; | ||
2 | pub use _test_utils::*; | ||
3 | use ActionResult; | ||
4 | |||
5 | pub fn check_action<F: Fn(&File, TextUnit) -> Option<ActionResult>> ( | ||
6 | before: &str, | ||
7 | after: &str, | ||
8 | f: F, | ||
9 | ) { | ||
10 | let (before_cursor_pos, before) = extract_offset(before); | ||
11 | let file = File::parse(&before); | ||
12 | let result = f(&file, before_cursor_pos).expect("code action is not applicable"); | ||
13 | let actual = result.edit.apply(&before); | ||
14 | let actual_cursor_pos = match result.cursor_position { | ||
15 | None => result.edit.apply_to_offset(before_cursor_pos).unwrap(), | ||
16 | Some(off) => off, | ||
17 | }; | ||
18 | let actual = add_cursor(&actual, actual_cursor_pos); | ||
19 | assert_eq_text!(after, &actual); | ||
20 | } | ||