diff options
Diffstat (limited to 'crates/ide_completion/src/tests.rs')
-rw-r--r-- | crates/ide_completion/src/tests.rs | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/crates/ide_completion/src/tests.rs b/crates/ide_completion/src/tests.rs new file mode 100644 index 000000000..4485a908e --- /dev/null +++ b/crates/ide_completion/src/tests.rs | |||
@@ -0,0 +1,64 @@ | |||
1 | mod item_list; | ||
2 | |||
3 | use expect_test::Expect; | ||
4 | use stdx::format_to; | ||
5 | |||
6 | use crate::{ | ||
7 | test_utils::{self, get_all_items, TEST_CONFIG}, | ||
8 | CompletionConfig, CompletionItem, | ||
9 | }; | ||
10 | |||
11 | fn completion_list(code: &str) -> String { | ||
12 | completion_list_with_config(TEST_CONFIG, code) | ||
13 | } | ||
14 | |||
15 | fn completion_list_with_config(config: CompletionConfig, code: &str) -> String { | ||
16 | fn monospace_width(s: &str) -> usize { | ||
17 | s.chars().count() | ||
18 | } | ||
19 | |||
20 | let kind_completions: Vec<CompletionItem> = get_all_items(config, code).into_iter().collect(); | ||
21 | let label_width = kind_completions | ||
22 | .iter() | ||
23 | .map(|it| monospace_width(it.label())) | ||
24 | .max() | ||
25 | .unwrap_or_default() | ||
26 | .min(16); | ||
27 | kind_completions | ||
28 | .into_iter() | ||
29 | .map(|it| { | ||
30 | let tag = it.kind().unwrap().tag(); | ||
31 | let var_name = format!("{} {}", tag, it.label()); | ||
32 | let mut buf = var_name; | ||
33 | if let Some(detail) = it.detail() { | ||
34 | let width = label_width.saturating_sub(monospace_width(it.label())); | ||
35 | format_to!(buf, "{:width$} {}", "", detail, width = width); | ||
36 | } | ||
37 | if it.deprecated() { | ||
38 | format_to!(buf, " DEPRECATED"); | ||
39 | } | ||
40 | format_to!(buf, "\n"); | ||
41 | buf | ||
42 | }) | ||
43 | .collect() | ||
44 | } | ||
45 | |||
46 | fn check(ra_fixture: &str, expect: Expect) { | ||
47 | let actual = completion_list(ra_fixture); | ||
48 | expect.assert_eq(&actual) | ||
49 | } | ||
50 | |||
51 | fn check_no_completion(ra_fixture: &str) { | ||
52 | let (db, position) = test_utils::position(ra_fixture); | ||
53 | |||
54 | assert!( | ||
55 | crate::completions(&db, &TEST_CONFIG, position).is_none(), | ||
56 | "Completions were generated, but weren't expected" | ||
57 | ); | ||
58 | } | ||
59 | |||
60 | #[test] | ||
61 | fn test_no_completions_required() { | ||
62 | cov_mark::check!(no_completion_required); | ||
63 | check_no_completion(r#"fn foo() { for i i$0 }"#); | ||
64 | } | ||