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-rw-r--r--crates/ide/src/completion/test_utils.rs125
1 files changed, 0 insertions, 125 deletions
diff --git a/crates/ide/src/completion/test_utils.rs b/crates/ide/src/completion/test_utils.rs
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index dabbef888..000000000
--- a/crates/ide/src/completion/test_utils.rs
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1//! Runs completion for testing purposes.
2
3use hir::Semantics;
4use itertools::Itertools;
5use stdx::{format_to, trim_indent};
6use syntax::{AstNode, NodeOrToken, SyntaxElement};
7use test_utils::assert_eq_text;
8
9use crate::{
10 completion::{completion_item::CompletionKind, CompletionConfig},
11 fixture, CompletionItem,
12};
13
14pub(crate) fn do_completion(code: &str, kind: CompletionKind) -> Vec<CompletionItem> {
15 do_completion_with_config(CompletionConfig::default(), code, kind)
16}
17
18pub(crate) fn do_completion_with_config(
19 config: CompletionConfig,
20 code: &str,
21 kind: CompletionKind,
22) -> Vec<CompletionItem> {
23 let mut kind_completions: Vec<CompletionItem> = get_all_completion_items(config, code)
24 .into_iter()
25 .filter(|c| c.completion_kind == kind)
26 .collect();
27 kind_completions.sort_by(|l, r| l.label().cmp(r.label()));
28 kind_completions
29}
30
31pub(crate) fn completion_list(code: &str, kind: CompletionKind) -> String {
32 completion_list_with_config(CompletionConfig::default(), code, kind)
33}
34
35pub(crate) fn completion_list_with_config(
36 config: CompletionConfig,
37 code: &str,
38 kind: CompletionKind,
39) -> String {
40 let mut kind_completions: Vec<CompletionItem> = get_all_completion_items(config, code)
41 .into_iter()
42 .filter(|c| c.completion_kind == kind)
43 .collect();
44 kind_completions.sort_by_key(|c| c.label().to_owned());
45 let label_width = kind_completions
46 .iter()
47 .map(|it| monospace_width(it.label()))
48 .max()
49 .unwrap_or_default()
50 .min(16);
51 kind_completions
52 .into_iter()
53 .map(|it| {
54 let tag = it.kind().unwrap().tag();
55 let var_name = format!("{} {}", tag, it.label());
56 let mut buf = var_name;
57 if let Some(detail) = it.detail() {
58 let width = label_width.saturating_sub(monospace_width(it.label()));
59 format_to!(buf, "{:width$} {}", "", detail, width = width);
60 }
61 format_to!(buf, "\n");
62 buf
63 })
64 .collect()
65}
66
67fn monospace_width(s: &str) -> usize {
68 s.chars().count()
69}
70
71pub(crate) fn check_edit(what: &str, ra_fixture_before: &str, ra_fixture_after: &str) {
72 check_edit_with_config(CompletionConfig::default(), what, ra_fixture_before, ra_fixture_after)
73}
74
75pub(crate) fn check_edit_with_config(
76 config: CompletionConfig,
77 what: &str,
78 ra_fixture_before: &str,
79 ra_fixture_after: &str,
80) {
81 let ra_fixture_after = trim_indent(ra_fixture_after);
82 let (analysis, position) = fixture::position(ra_fixture_before);
83 let completions: Vec<CompletionItem> =
84 analysis.completions(&config, position).unwrap().unwrap().into();
85 let (completion,) = completions
86 .iter()
87 .filter(|it| it.lookup() == what)
88 .collect_tuple()
89 .unwrap_or_else(|| panic!("can't find {:?} completion in {:#?}", what, completions));
90 let mut actual = analysis.file_text(position.file_id).unwrap().to_string();
91 completion.text_edit().apply(&mut actual);
92 assert_eq_text!(&ra_fixture_after, &actual)
93}
94
95pub(crate) fn check_pattern_is_applicable(code: &str, check: fn(SyntaxElement) -> bool) {
96 let (analysis, pos) = fixture::position(code);
97 analysis
98 .with_db(|db| {
99 let sema = Semantics::new(db);
100 let original_file = sema.parse(pos.file_id);
101 let token = original_file.syntax().token_at_offset(pos.offset).left_biased().unwrap();
102 assert!(check(NodeOrToken::Token(token)));
103 })
104 .unwrap();
105}
106
107pub(crate) fn check_pattern_is_not_applicable(code: &str, check: fn(SyntaxElement) -> bool) {
108 let (analysis, pos) = fixture::position(code);
109 analysis
110 .with_db(|db| {
111 let sema = Semantics::new(db);
112 let original_file = sema.parse(pos.file_id);
113 let token = original_file.syntax().token_at_offset(pos.offset).left_biased().unwrap();
114 assert!(!check(NodeOrToken::Token(token)));
115 })
116 .unwrap();
117}
118
119pub(crate) fn get_all_completion_items(
120 config: CompletionConfig,
121 code: &str,
122) -> Vec<CompletionItem> {
123 let (analysis, position) = fixture::position(code);
124 analysis.completions(&config, position).unwrap().unwrap().into()
125}