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-rw-r--r--crates/libeditor/tests/test.rs369
1 files changed, 0 insertions, 369 deletions
diff --git a/crates/libeditor/tests/test.rs b/crates/libeditor/tests/test.rs
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--- a/crates/libeditor/tests/test.rs
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1extern crate libeditor;
2extern crate libsyntax2;
3#[macro_use]
4extern crate test_utils;
5
6use test_utils::{assert_eq_dbg, add_cursor, extract_offset, extract_range};
7use libsyntax2::{File, TextUnit, TextRange};
8use libeditor::{
9 ActionResult,
10 highlight, runnables, extend_selection, file_structure,
11 flip_comma, add_derive, add_impl, matching_brace,
12 join_lines, on_eq_typed, scope_completion,
13};
14
15#[test]
16fn test_extend_selection() {
17 fn do_check(before: &str, afters: &[&str]) {
18 let (cursor, before) = extract_offset(before);
19 let file = file(&before);
20 let mut range = TextRange::offset_len(cursor, 0.into());
21 for &after in afters {
22 range = extend_selection(&file, range)
23 .unwrap();
24 let actual = &before[range];
25 assert_eq!(after, actual);
26 }
27 }
28
29 do_check(
30 r#"fn foo() { <|>1 + 1 }"#,
31 &["1", "1 + 1", "{ 1 + 1 }"],
32 );
33
34 do_check(
35 r#"
36impl S {
37<|> fn foo() {
38
39 }
40}"#,
41 &["fn foo() {\n\n }"]
42 );
43 do_check(
44 r#"
45fn bar(){}
46
47// fn foo() {
48// 1 + <|>1
49// }
50
51// fn foo(){}
52"#,
53 &["// 1 + 1", "// fn foo() {\n// 1 + 1\n// }"]
54 );
55}
56
57#[test]
58fn test_highlighting() {
59 let file = file(r#"
60// comment
61fn main() {}
62 println!("Hello, {}!", 92);
63"#);
64 let hls = highlight(&file);
65 assert_eq_dbg(
66 r#"[HighlightedRange { range: [1; 11), tag: "comment" },
67 HighlightedRange { range: [12; 14), tag: "keyword" },
68 HighlightedRange { range: [15; 19), tag: "function" },
69 HighlightedRange { range: [29; 36), tag: "text" },
70 HighlightedRange { range: [38; 50), tag: "string" },
71 HighlightedRange { range: [52; 54), tag: "literal" }]"#,
72 &hls,
73 );
74}
75
76#[test]
77fn test_runnables() {
78 let file = file(r#"
79fn main() {}
80
81#[test]
82fn test_foo() {}
83
84#[test]
85#[ignore]
86fn test_foo() {}
87"#);
88 let runnables = runnables(&file);
89 assert_eq_dbg(
90 r#"[Runnable { range: [1; 13), kind: Bin },
91 Runnable { range: [15; 39), kind: Test { name: "test_foo" } },
92 Runnable { range: [41; 75), kind: Test { name: "test_foo" } }]"#,
93 &runnables,
94 )
95}
96
97#[test]
98fn test_file_structure() {
99 let file = file(r#"
100struct Foo {
101 x: i32
102}
103
104mod m {
105 fn bar() {}
106}
107
108enum E { X, Y(i32) }
109type T = ();
110static S: i32 = 92;
111const C: i32 = 92;
112
113impl E {}
114
115impl fmt::Debug for E {}
116"#);
117 let symbols = file_structure(&file);
118 assert_eq_dbg(
119 r#"[StructureNode { parent: None, label: "Foo", navigation_range: [8; 11), node_range: [1; 26), kind: STRUCT_DEF },
120 StructureNode { parent: Some(0), label: "x", navigation_range: [18; 19), node_range: [18; 24), kind: NAMED_FIELD_DEF },
121 StructureNode { parent: None, label: "m", navigation_range: [32; 33), node_range: [28; 53), kind: MODULE },
122 StructureNode { parent: Some(2), label: "bar", navigation_range: [43; 46), node_range: [40; 51), kind: FN_DEF },
123 StructureNode { parent: None, label: "E", navigation_range: [60; 61), node_range: [55; 75), kind: ENUM_DEF },
124 StructureNode { parent: None, label: "T", navigation_range: [81; 82), node_range: [76; 88), kind: TYPE_DEF },
125 StructureNode { parent: None, label: "S", navigation_range: [96; 97), node_range: [89; 108), kind: STATIC_DEF },
126 StructureNode { parent: None, label: "C", navigation_range: [115; 116), node_range: [109; 127), kind: CONST_DEF },
127 StructureNode { parent: None, label: "impl E", navigation_range: [134; 135), node_range: [129; 138), kind: IMPL_ITEM },
128 StructureNode { parent: None, label: "impl fmt::Debug for E", navigation_range: [160; 161), node_range: [140; 164), kind: IMPL_ITEM }]"#,
129 &symbols,
130 )
131}
132
133#[test]
134fn test_swap_comma() {
135 check_action(
136 "fn foo(x: i32,<|> y: Result<(), ()>) {}",
137 "fn foo(y: Result<(), ()>,<|> x: i32) {}",
138 |file, off| flip_comma(file, off).map(|f| f()),
139 )
140}
141
142#[test]
143fn test_add_derive() {
144 check_action(
145 "struct Foo { a: i32, <|>}",
146 "#[derive(<|>)]\nstruct Foo { a: i32, }",
147 |file, off| add_derive(file, off).map(|f| f()),
148 );
149 check_action(
150 "struct Foo { <|> a: i32, }",
151 "#[derive(<|>)]\nstruct Foo { a: i32, }",
152 |file, off| add_derive(file, off).map(|f| f()),
153 );
154 check_action(
155 "#[derive(Clone)]\nstruct Foo { a: i32<|>, }",
156 "#[derive(Clone<|>)]\nstruct Foo { a: i32, }",
157 |file, off| add_derive(file, off).map(|f| f()),
158 );
159}
160
161#[test]
162fn test_add_impl() {
163 check_action(
164 "struct Foo {<|>}\n",
165 "struct Foo {}\n\nimpl Foo {\n<|>\n}\n",
166 |file, off| add_impl(file, off).map(|f| f()),
167 );
168 check_action(
169 "struct Foo<T: Clone> {<|>}",
170 "struct Foo<T: Clone> {}\n\nimpl<T: Clone> Foo<T> {\n<|>\n}",
171 |file, off| add_impl(file, off).map(|f| f()),
172 );
173}
174
175#[test]
176fn test_matching_brace() {
177 fn do_check(before: &str, after: &str) {
178 let (pos, before) = extract_offset(before);
179 let file = file(&before);
180 let new_pos = match matching_brace(&file, pos) {
181 None => pos,
182 Some(pos) => pos,
183 };
184 let actual = add_cursor(&before, new_pos);
185 assert_eq_text!(after, &actual);
186 }
187
188 do_check(
189 "struct Foo { a: i32, }<|>",
190 "struct Foo <|>{ a: i32, }",
191 );
192}
193
194#[test]
195fn test_join_lines_cursor() {
196 fn do_check(before: &str, after: &str) {
197 check_action(before, after, |file, offset| {
198 let range = TextRange::offset_len(offset, 0.into());
199 let res = join_lines(file, range);
200 Some(res)
201 })
202 }
203
204 do_check(r"
205fn foo() {
206 <|>foo(1,
207 )
208}
209", r"
210fn foo() {
211 <|>foo(1)
212}
213");
214 do_check(r"
215pub fn reparse(&self, edit: &AtomEdit) -> File {
216 <|>self.incremental_reparse(edit).unwrap_or_else(|| {
217 self.full_reparse(edit)
218 })
219}
220", r"
221pub fn reparse(&self, edit: &AtomEdit) -> File {
222 <|>self.incremental_reparse(edit).unwrap_or_else(|| self.full_reparse(edit))
223}
224");
225 do_check(r"
226fn foo() {
227 foo(<|>{
228 92
229 })
230}", r"
231fn foo() {
232 foo(<|>92)
233}");
234}
235
236#[test]
237fn test_join_lines_selection() {
238 fn do_check(before: &str, after: &str) {
239 let (sel, before) = extract_range(before);
240 let file = file(&before);
241 let result = join_lines(&file, sel);
242 let actual = result.edit.apply(&before);
243 assert_eq_text!(after, &actual);
244 }
245
246 do_check(r"
247fn foo() {
248 <|>foo(1,
249 2,
250 3,
251 <|>)
252}
253", r"
254fn foo() {
255 foo(1, 2, 3)
256}
257");
258
259 do_check(r"
260struct Foo <|>{
261 f: u32,
262}<|>
263", r"
264struct Foo { f: u32 }
265");
266}
267
268#[test]
269fn test_on_eq_typed() {
270 fn do_check(before: &str, after: &str) {
271 let (offset, before) = extract_offset(before);
272 let file = file(&before);
273 let result = on_eq_typed(&file, offset).unwrap();
274 let actual = result.edit.apply(&before);
275 assert_eq_text!(after, &actual);
276 }
277
278// do_check(r"
279// fn foo() {
280// let foo =<|>
281// }
282// ", r"
283// fn foo() {
284// let foo =;
285// }
286// ");
287 do_check(r"
288fn foo() {
289 let foo =<|> 1 + 1
290}
291", r"
292fn foo() {
293 let foo = 1 + 1;
294}
295");
296// do_check(r"
297// fn foo() {
298// let foo =<|>
299// let bar = 1;
300// }
301// ", r"
302// fn foo() {
303// let foo =;
304// let bar = 1;
305// }
306// ");
307
308}
309
310#[test]
311fn test_completion() {
312 fn do_check(code: &str, expected_completions: &str) {
313 let (off, code) = extract_offset(&code);
314 let file = file(&code);
315 let completions = scope_completion(&file, off).unwrap();
316 assert_eq_dbg(expected_completions, &completions);
317 }
318
319 do_check(r"
320fn quux(x: i32) {
321 let y = 92;
322 1 + <|>;
323 let z = ();
324}
325", r#"[CompletionItem { name: "y" },
326 CompletionItem { name: "x" }]"#);
327
328 do_check(r"
329fn quux() {
330 if let Some(x) = foo() {
331 let y = 92;
332 };
333 if let Some(a) = bar() {
334 let b = 62;
335 1 + <|>
336 }
337}
338", r#"[CompletionItem { name: "b" },
339 CompletionItem { name: "a" }]"#);
340
341 do_check(r"
342fn quux() {
343 for x in &[1, 2, 3] {
344 <|>
345 }
346}
347", r#"[CompletionItem { name: "x" }]"#);
348}
349
350fn file(text: &str) -> File {
351 File::parse(text)
352}
353
354fn check_action<F: Fn(&File, TextUnit) -> Option<ActionResult>>(
355 before: &str,
356 after: &str,
357 f: F,
358) {
359 let (before_cursor_pos, before) = extract_offset(before);
360 let file = file(&before);
361 let result = f(&file, before_cursor_pos).expect("code action is not applicable");
362 let actual = result.edit.apply(&before);
363 let actual_cursor_pos = match result.cursor_position {
364 None => result.edit.apply_to_offset(before_cursor_pos).unwrap(),
365 Some(off) => off,
366 };
367 let actual = add_cursor(&actual, actual_cursor_pos);
368 assert_eq_text!(after, &actual);
369}
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