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-rw-r--r--crates/ra_db/src/fixture.rs70
-rw-r--r--crates/ra_db/src/input.rs15
-rw-r--r--crates/ra_ide/src/call_hierarchy.rs29
-rw-r--r--crates/ra_ide/src/mock_analysis.rs123
-rw-r--r--crates/rust-analyzer/tests/heavy_tests/support.rs2
-rw-r--r--crates/test_utils/Cargo.toml4
-rw-r--r--crates/test_utils/src/lib.rs160
7 files changed, 326 insertions, 77 deletions
diff --git a/crates/ra_db/src/fixture.rs b/crates/ra_db/src/fixture.rs
index f8f767091..f6b50c67c 100644
--- a/crates/ra_db/src/fixture.rs
+++ b/crates/ra_db/src/fixture.rs
@@ -63,7 +63,7 @@ use std::sync::Arc;
63 63
64use ra_cfg::CfgOptions; 64use ra_cfg::CfgOptions;
65use rustc_hash::FxHashMap; 65use rustc_hash::FxHashMap;
66use test_utils::{extract_offset, parse_fixture, parse_single_fixture, CURSOR_MARKER}; 66use test_utils::{extract_offset, parse_fixture, parse_single_fixture, FixtureMeta, CURSOR_MARKER};
67 67
68use crate::{ 68use crate::{
69 input::CrateName, CrateGraph, CrateId, Edition, Env, FileId, FilePosition, RelativePathBuf, 69 input::CrateName, CrateGraph, CrateId, Edition, Env, FileId, FilePosition, RelativePathBuf,
@@ -113,7 +113,7 @@ fn with_single_file(db: &mut dyn SourceDatabaseExt, ra_fixture: &str) -> FileId
113 let fixture = parse_single_fixture(ra_fixture); 113 let fixture = parse_single_fixture(ra_fixture);
114 114
115 let crate_graph = if let Some(entry) = fixture { 115 let crate_graph = if let Some(entry) = fixture {
116 let meta = match parse_meta(&entry.meta) { 116 let meta = match ParsedMeta::from(&entry.meta) {
117 ParsedMeta::File(it) => it, 117 ParsedMeta::File(it) => it,
118 _ => panic!("with_single_file only support file meta"), 118 _ => panic!("with_single_file only support file meta"),
119 }; 119 };
@@ -170,7 +170,7 @@ fn with_files(db: &mut dyn SourceDatabaseExt, fixture: &str) -> Option<FilePosit
170 let mut file_position = None; 170 let mut file_position = None;
171 171
172 for entry in fixture.iter() { 172 for entry in fixture.iter() {
173 let meta = match parse_meta(&entry.meta) { 173 let meta = match ParsedMeta::from(&entry.meta) {
174 ParsedMeta::Root { path } => { 174 ParsedMeta::Root { path } => {
175 let source_root = std::mem::replace(&mut source_root, SourceRoot::new_local()); 175 let source_root = std::mem::replace(&mut source_root, SourceRoot::new_local());
176 db.set_source_root(source_root_id, Arc::new(source_root)); 176 db.set_source_root(source_root_id, Arc::new(source_root));
@@ -258,53 +258,25 @@ struct FileMeta {
258 env: Env, 258 env: Env,
259} 259}
260 260
261//- /lib.rs crate:foo deps:bar,baz cfg:foo=a,bar=b env:OUTDIR=path/to,OTHER=foo) 261impl From<&FixtureMeta> for ParsedMeta {
262fn parse_meta(meta: &str) -> ParsedMeta { 262 fn from(meta: &FixtureMeta) -> Self {
263 let components = meta.split_ascii_whitespace().collect::<Vec<_>>(); 263 match meta {
264 264 FixtureMeta::Root { path } => {
265 if components[0] == "root" { 265 // `Self::Root` causes a false warning: 'variant is never constructed: `Root` '
266 let path: RelativePathBuf = components[1].into(); 266 // see https://github.com/rust-lang/rust/issues/69018
267 assert!(path.starts_with("/") && path.ends_with("/")); 267 ParsedMeta::Root { path: path.to_owned() }
268 return ParsedMeta::Root { path };
269 }
270
271 let path: RelativePathBuf = components[0].into();
272 assert!(path.starts_with("/"));
273
274 let mut krate = None;
275 let mut deps = Vec::new();
276 let mut edition = Edition::Edition2018;
277 let mut cfg = CfgOptions::default();
278 let mut env = Env::default();
279 for component in components[1..].iter() {
280 let (key, value) = split1(component, ':').unwrap();
281 match key {
282 "crate" => krate = Some(value.to_string()),
283 "deps" => deps = value.split(',').map(|it| it.to_string()).collect(),
284 "edition" => edition = Edition::from_str(&value).unwrap(),
285 "cfg" => {
286 for key in value.split(',') {
287 match split1(key, '=') {
288 None => cfg.insert_atom(key.into()),
289 Some((k, v)) => cfg.insert_key_value(k.into(), v.into()),
290 }
291 }
292 }
293 "env" => {
294 for key in value.split(',') {
295 if let Some((k, v)) = split1(key, '=') {
296 env.set(k, v.into());
297 }
298 }
299 } 268 }
300 _ => panic!("bad component: {:?}", component), 269 FixtureMeta::File(f) => Self::File(FileMeta {
270 path: f.path.to_owned().into(),
271 krate: f.crate_name.to_owned().into(),
272 deps: f.deps.to_owned(),
273 cfg: f.cfg.to_owned(),
274 edition: f
275 .edition
276 .as_ref()
277 .map_or(Edition::Edition2018, |v| Edition::from_str(&v).unwrap()),
278 env: Env::from(f.env.iter()),
279 }),
301 } 280 }
302 } 281 }
303
304 ParsedMeta::File(FileMeta { path, krate, deps, edition, cfg, env })
305}
306
307fn split1(haystack: &str, delim: char) -> Option<(&str, &str)> {
308 let idx = haystack.find(delim)?;
309 Some((&haystack[..idx], &haystack[idx + delim.len_utf8()..]))
310} 282}
diff --git a/crates/ra_db/src/input.rs b/crates/ra_db/src/input.rs
index ab14e2d5e..4d2d3b48a 100644
--- a/crates/ra_db/src/input.rs
+++ b/crates/ra_db/src/input.rs
@@ -311,6 +311,21 @@ impl fmt::Display for Edition {
311 } 311 }
312} 312}
313 313
314impl<'a, T> From<T> for Env
315where
316 T: Iterator<Item = (&'a String, &'a String)>,
317{
318 fn from(iter: T) -> Self {
319 let mut result = Self::default();
320
321 for (k, v) in iter {
322 result.entries.insert(k.to_owned(), v.to_owned());
323 }
324
325 result
326 }
327}
328
314impl Env { 329impl Env {
315 pub fn set(&mut self, env: &str, value: String) { 330 pub fn set(&mut self, env: &str, value: String) {
316 self.entries.insert(env.to_owned(), value); 331 self.entries.insert(env.to_owned(), value);
diff --git a/crates/ra_ide/src/call_hierarchy.rs b/crates/ra_ide/src/call_hierarchy.rs
index 85d1f0cb1..defd8176f 100644
--- a/crates/ra_ide/src/call_hierarchy.rs
+++ b/crates/ra_ide/src/call_hierarchy.rs
@@ -246,6 +246,35 @@ mod tests {
246 } 246 }
247 247
248 #[test] 248 #[test]
249 fn test_call_hierarchy_in_tests_mod() {
250 check_hierarchy(
251 r#"
252 //- /lib.rs cfg:test
253 fn callee() {}
254 fn caller1() {
255 call<|>ee();
256 }
257
258 #[cfg(test)]
259 mod tests {
260 use super::*;
261
262 #[test]
263 fn test_caller() {
264 callee();
265 }
266 }
267 "#,
268 "callee FN_DEF FileId(1) 0..14 3..9",
269 &[
270 "caller1 FN_DEF FileId(1) 15..45 18..25 : [34..40]",
271 "test_caller FN_DEF FileId(1) 93..147 108..119 : [132..138]",
272 ],
273 &[],
274 );
275 }
276
277 #[test]
249 fn test_call_hierarchy_in_different_files() { 278 fn test_call_hierarchy_in_different_files() {
250 check_hierarchy( 279 check_hierarchy(
251 r#" 280 r#"
diff --git a/crates/ra_ide/src/mock_analysis.rs b/crates/ra_ide/src/mock_analysis.rs
index 2c13f206a..ad78d2d93 100644
--- a/crates/ra_ide/src/mock_analysis.rs
+++ b/crates/ra_ide/src/mock_analysis.rs
@@ -1,21 +1,81 @@
1//! FIXME: write short doc here 1//! FIXME: write short doc here
2 2
3use std::str::FromStr;
3use std::sync::Arc; 4use std::sync::Arc;
4 5
5use ra_cfg::CfgOptions; 6use ra_cfg::CfgOptions;
6use ra_db::{CrateName, Env, RelativePathBuf}; 7use ra_db::{CrateName, Env, RelativePathBuf};
7use test_utils::{extract_offset, extract_range, parse_fixture, CURSOR_MARKER}; 8use test_utils::{extract_offset, extract_range, parse_fixture, FixtureEntry, CURSOR_MARKER};
8 9
9use crate::{ 10use crate::{
10 Analysis, AnalysisChange, AnalysisHost, CrateGraph, Edition::Edition2018, FileId, FilePosition, 11 Analysis, AnalysisChange, AnalysisHost, CrateGraph, Edition, FileId, FilePosition, FileRange,
11 FileRange, SourceRootId, 12 SourceRootId,
12}; 13};
13 14
15#[derive(Debug)]
16enum MockFileData {
17 Plain { path: String, content: String },
18 Fixture(FixtureEntry),
19}
20
21impl MockFileData {
22 fn new(path: String, content: String) -> Self {
23 // `Self::Plain` causes a false warning: 'variant is never constructed: `Plain` '
24 // see https://github.com/rust-lang/rust/issues/69018
25 MockFileData::Plain { path, content }
26 }
27
28 fn path(&self) -> &str {
29 match self {
30 MockFileData::Plain { path, .. } => path.as_str(),
31 MockFileData::Fixture(f) => f.meta.path().as_str(),
32 }
33 }
34
35 fn content(&self) -> &str {
36 match self {
37 MockFileData::Plain { content, .. } => content,
38 MockFileData::Fixture(f) => f.text.as_str(),
39 }
40 }
41
42 fn cfg_options(&self) -> CfgOptions {
43 match self {
44 MockFileData::Fixture(f) => {
45 f.meta.cfg_options().map_or_else(Default::default, |o| o.clone())
46 }
47 _ => CfgOptions::default(),
48 }
49 }
50
51 fn edition(&self) -> Edition {
52 match self {
53 MockFileData::Fixture(f) => {
54 f.meta.edition().map_or(Edition::Edition2018, |v| Edition::from_str(v).unwrap())
55 }
56 _ => Edition::Edition2018,
57 }
58 }
59
60 fn env(&self) -> Env {
61 match self {
62 MockFileData::Fixture(f) => Env::from(f.meta.env()),
63 _ => Env::default(),
64 }
65 }
66}
67
68impl From<FixtureEntry> for MockFileData {
69 fn from(fixture: FixtureEntry) -> Self {
70 Self::Fixture(fixture)
71 }
72}
73
14/// Mock analysis is used in test to bootstrap an AnalysisHost/Analysis 74/// Mock analysis is used in test to bootstrap an AnalysisHost/Analysis
15/// from a set of in-memory files. 75/// from a set of in-memory files.
16#[derive(Debug, Default)] 76#[derive(Debug, Default)]
17pub struct MockAnalysis { 77pub struct MockAnalysis {
18 files: Vec<(String, String)>, 78 files: Vec<MockFileData>,
19} 79}
20 80
21impl MockAnalysis { 81impl MockAnalysis {
@@ -35,7 +95,7 @@ impl MockAnalysis {
35 pub fn with_files(fixture: &str) -> MockAnalysis { 95 pub fn with_files(fixture: &str) -> MockAnalysis {
36 let mut res = MockAnalysis::new(); 96 let mut res = MockAnalysis::new();
37 for entry in parse_fixture(fixture) { 97 for entry in parse_fixture(fixture) {
38 res.add_file(&entry.meta, &entry.text); 98 res.add_file_fixture(entry);
39 } 99 }
40 res 100 res
41 } 101 }
@@ -48,30 +108,44 @@ impl MockAnalysis {
48 for entry in parse_fixture(fixture) { 108 for entry in parse_fixture(fixture) {
49 if entry.text.contains(CURSOR_MARKER) { 109 if entry.text.contains(CURSOR_MARKER) {
50 assert!(position.is_none(), "only one marker (<|>) per fixture is allowed"); 110 assert!(position.is_none(), "only one marker (<|>) per fixture is allowed");
51 position = Some(res.add_file_with_position(&entry.meta, &entry.text)); 111 position = Some(res.add_file_fixture_with_position(entry));
52 } else { 112 } else {
53 res.add_file(&entry.meta, &entry.text); 113 res.add_file_fixture(entry);
54 } 114 }
55 } 115 }
56 let position = position.expect("expected a marker (<|>)"); 116 let position = position.expect("expected a marker (<|>)");
57 (res, position) 117 (res, position)
58 } 118 }
59 119
120 pub fn add_file_fixture(&mut self, fixture: FixtureEntry) -> FileId {
121 let file_id = self.next_id();
122 self.files.push(MockFileData::from(fixture));
123 file_id
124 }
125
126 pub fn add_file_fixture_with_position(&mut self, mut fixture: FixtureEntry) -> FilePosition {
127 let (offset, text) = extract_offset(&fixture.text);
128 fixture.text = text;
129 let file_id = self.next_id();
130 self.files.push(MockFileData::from(fixture));
131 FilePosition { file_id, offset }
132 }
133
60 pub fn add_file(&mut self, path: &str, text: &str) -> FileId { 134 pub fn add_file(&mut self, path: &str, text: &str) -> FileId {
61 let file_id = FileId((self.files.len() + 1) as u32); 135 let file_id = self.next_id();
62 self.files.push((path.to_string(), text.to_string())); 136 self.files.push(MockFileData::new(path.to_string(), text.to_string()));
63 file_id 137 file_id
64 } 138 }
65 pub fn add_file_with_position(&mut self, path: &str, text: &str) -> FilePosition { 139 pub fn add_file_with_position(&mut self, path: &str, text: &str) -> FilePosition {
66 let (offset, text) = extract_offset(text); 140 let (offset, text) = extract_offset(text);
67 let file_id = FileId((self.files.len() + 1) as u32); 141 let file_id = self.next_id();
68 self.files.push((path.to_string(), text)); 142 self.files.push(MockFileData::new(path.to_string(), text));
69 FilePosition { file_id, offset } 143 FilePosition { file_id, offset }
70 } 144 }
71 pub fn add_file_with_range(&mut self, path: &str, text: &str) -> FileRange { 145 pub fn add_file_with_range(&mut self, path: &str, text: &str) -> FileRange {
72 let (range, text) = extract_range(text); 146 let (range, text) = extract_range(text);
73 let file_id = FileId((self.files.len() + 1) as u32); 147 let file_id = self.next_id();
74 self.files.push((path.to_string(), text)); 148 self.files.push(MockFileData::new(path.to_string(), text));
75 FileRange { file_id, range } 149 FileRange { file_id, range }
76 } 150 }
77 pub fn id_of(&self, path: &str) -> FileId { 151 pub fn id_of(&self, path: &str) -> FileId {
@@ -79,7 +153,7 @@ impl MockAnalysis {
79 .files 153 .files
80 .iter() 154 .iter()
81 .enumerate() 155 .enumerate()
82 .find(|(_, (p, _text))| path == p) 156 .find(|(_, data)| path == data.path())
83 .expect("no file in this mock"); 157 .expect("no file in this mock");
84 FileId(idx as u32 + 1) 158 FileId(idx as u32 + 1)
85 } 159 }
@@ -90,18 +164,21 @@ impl MockAnalysis {
90 change.add_root(source_root, true); 164 change.add_root(source_root, true);
91 let mut crate_graph = CrateGraph::default(); 165 let mut crate_graph = CrateGraph::default();
92 let mut root_crate = None; 166 let mut root_crate = None;
93 for (i, (path, contents)) in self.files.into_iter().enumerate() { 167 for (i, data) in self.files.into_iter().enumerate() {
168 let path = data.path();
94 assert!(path.starts_with('/')); 169 assert!(path.starts_with('/'));
95 let path = RelativePathBuf::from_path(&path[1..]).unwrap(); 170 let path = RelativePathBuf::from_path(&path[1..]).unwrap();
171 let cfg_options = data.cfg_options();
96 let file_id = FileId(i as u32 + 1); 172 let file_id = FileId(i as u32 + 1);
97 let cfg_options = CfgOptions::default(); 173 let edition = data.edition();
174 let env = data.env();
98 if path == "/lib.rs" || path == "/main.rs" { 175 if path == "/lib.rs" || path == "/main.rs" {
99 root_crate = Some(crate_graph.add_crate_root( 176 root_crate = Some(crate_graph.add_crate_root(
100 file_id, 177 file_id,
101 Edition2018, 178 edition,
102 None, 179 None,
103 cfg_options, 180 cfg_options,
104 Env::default(), 181 env,
105 Default::default(), 182 Default::default(),
106 Default::default(), 183 Default::default(),
107 )); 184 ));
@@ -109,10 +186,10 @@ impl MockAnalysis {
109 let crate_name = path.parent().unwrap().file_name().unwrap(); 186 let crate_name = path.parent().unwrap().file_name().unwrap();
110 let other_crate = crate_graph.add_crate_root( 187 let other_crate = crate_graph.add_crate_root(
111 file_id, 188 file_id,
112 Edition2018, 189 edition,
113 Some(CrateName::new(crate_name).unwrap()), 190 Some(CrateName::new(crate_name).unwrap()),
114 cfg_options, 191 cfg_options,
115 Env::default(), 192 env,
116 Default::default(), 193 Default::default(),
117 Default::default(), 194 Default::default(),
118 ); 195 );
@@ -122,7 +199,7 @@ impl MockAnalysis {
122 .unwrap(); 199 .unwrap();
123 } 200 }
124 } 201 }
125 change.add_file(source_root, file_id, path, Arc::new(contents)); 202 change.add_file(source_root, file_id, path, Arc::new(data.content().to_owned()));
126 } 203 }
127 change.set_crate_graph(crate_graph); 204 change.set_crate_graph(crate_graph);
128 host.apply_change(change); 205 host.apply_change(change);
@@ -131,6 +208,10 @@ impl MockAnalysis {
131 pub fn analysis(self) -> Analysis { 208 pub fn analysis(self) -> Analysis {
132 self.analysis_host().analysis() 209 self.analysis_host().analysis()
133 } 210 }
211
212 fn next_id(&self) -> FileId {
213 FileId((self.files.len() + 1) as u32)
214 }
134} 215}
135 216
136/// Creates analysis from a multi-file fixture, returns positions marked with <|>. 217/// Creates analysis from a multi-file fixture, returns positions marked with <|>.
diff --git a/crates/rust-analyzer/tests/heavy_tests/support.rs b/crates/rust-analyzer/tests/heavy_tests/support.rs
index 9acbae066..66a6f4d54 100644
--- a/crates/rust-analyzer/tests/heavy_tests/support.rs
+++ b/crates/rust-analyzer/tests/heavy_tests/support.rs
@@ -68,7 +68,7 @@ impl<'a> Project<'a> {
68 let mut paths = vec![]; 68 let mut paths = vec![];
69 69
70 for entry in parse_fixture(self.fixture) { 70 for entry in parse_fixture(self.fixture) {
71 let path = tmp_dir.path().join(entry.meta); 71 let path = tmp_dir.path().join(entry.meta.path().as_str());
72 fs::create_dir_all(path.parent().unwrap()).unwrap(); 72 fs::create_dir_all(path.parent().unwrap()).unwrap();
73 fs::write(path.as_path(), entry.text.as_bytes()).unwrap(); 73 fs::write(path.as_path(), entry.text.as_bytes()).unwrap();
74 paths.push((path, entry.text)); 74 paths.push((path, entry.text));
diff --git a/crates/test_utils/Cargo.toml b/crates/test_utils/Cargo.toml
index 8ec986bcb..4d185b01c 100644
--- a/crates/test_utils/Cargo.toml
+++ b/crates/test_utils/Cargo.toml
@@ -11,3 +11,7 @@ doctest = false
11difference = "2.0.0" 11difference = "2.0.0"
12text-size = "1.0.0" 12text-size = "1.0.0"
13serde_json = "1.0.48" 13serde_json = "1.0.48"
14relative-path = "1.0.0"
15rustc-hash = "1.1.0"
16
17ra_cfg = { path = "../ra_cfg" } \ No newline at end of file
diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index be2cfbaa2..1bd97215c 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -14,6 +14,10 @@ use std::{
14 path::{Path, PathBuf}, 14 path::{Path, PathBuf},
15}; 15};
16 16
17pub use ra_cfg::CfgOptions;
18
19pub use relative_path::{RelativePath, RelativePathBuf};
20pub use rustc_hash::FxHashMap;
17use serde_json::Value; 21use serde_json::Value;
18use text_size::{TextRange, TextSize}; 22use text_size::{TextRange, TextSize};
19 23
@@ -157,10 +161,82 @@ pub fn add_cursor(text: &str, offset: TextSize) -> String {
157 161
158#[derive(Debug, Eq, PartialEq)] 162#[derive(Debug, Eq, PartialEq)]
159pub struct FixtureEntry { 163pub struct FixtureEntry {
160 pub meta: String, 164 pub meta: FixtureMeta,
161 pub text: String, 165 pub text: String,
162} 166}
163 167
168#[derive(Debug, Eq, PartialEq)]
169pub enum FixtureMeta {
170 Root { path: RelativePathBuf },
171 File(FileMeta),
172}
173
174#[derive(Debug, Eq, PartialEq)]
175pub struct FileMeta {
176 pub path: RelativePathBuf,
177 pub crate_name: Option<String>,
178 pub deps: Vec<String>,
179 pub cfg: CfgOptions,
180 pub edition: Option<String>,
181 pub env: FxHashMap<String, String>,
182}
183
184impl FixtureMeta {
185 pub fn path(&self) -> &RelativePath {
186 match self {
187 FixtureMeta::Root { path } => &path,
188 FixtureMeta::File(f) => &f.path,
189 }
190 }
191
192 pub fn crate_name(&self) -> Option<&String> {
193 match self {
194 FixtureMeta::File(f) => f.crate_name.as_ref(),
195 _ => None,
196 }
197 }
198
199 pub fn cfg_options(&self) -> Option<&CfgOptions> {
200 match self {
201 FixtureMeta::File(f) => Some(&f.cfg),
202 _ => None,
203 }
204 }
205
206 pub fn edition(&self) -> Option<&String> {
207 match self {
208 FixtureMeta::File(f) => f.edition.as_ref(),
209 _ => None,
210 }
211 }
212
213 pub fn env(&self) -> impl Iterator<Item = (&String, &String)> {
214 struct EnvIter<'a> {
215 iter: Option<std::collections::hash_map::Iter<'a, String, String>>,
216 }
217
218 impl<'a> EnvIter<'a> {
219 fn new(meta: &'a FixtureMeta) -> Self {
220 Self {
221 iter: match meta {
222 FixtureMeta::File(f) => Some(f.env.iter()),
223 _ => None,
224 },
225 }
226 }
227 }
228
229 impl<'a> Iterator for EnvIter<'a> {
230 type Item = (&'a String, &'a String);
231 fn next(&mut self) -> Option<Self::Item> {
232 self.iter.as_mut().and_then(|i| i.next())
233 }
234 }
235
236 EnvIter::new(self)
237 }
238}
239
164/// Parses text which looks like this: 240/// Parses text which looks like this:
165/// 241///
166/// ```not_rust 242/// ```not_rust
@@ -169,8 +245,8 @@ pub struct FixtureEntry {
169/// line 2 245/// line 2
170/// // - other meta 246/// // - other meta
171/// ``` 247/// ```
172pub fn parse_fixture(fixture: &str) -> Vec<FixtureEntry> { 248pub fn parse_fixture(ra_fixture: &str) -> Vec<FixtureEntry> {
173 let fixture = indent_first_line(fixture); 249 let fixture = indent_first_line(ra_fixture);
174 let margin = fixture_margin(&fixture); 250 let margin = fixture_margin(&fixture);
175 251
176 let mut lines = fixture 252 let mut lines = fixture
@@ -200,6 +276,7 @@ The offending line: {:?}"#,
200 for line in lines.by_ref() { 276 for line in lines.by_ref() {
201 if line.starts_with("//-") { 277 if line.starts_with("//-") {
202 let meta = line["//-".len()..].trim().to_string(); 278 let meta = line["//-".len()..].trim().to_string();
279 let meta = parse_meta(&meta);
203 res.push(FixtureEntry { meta, text: String::new() }) 280 res.push(FixtureEntry { meta, text: String::new() })
204 } else if let Some(entry) = res.last_mut() { 281 } else if let Some(entry) = res.last_mut() {
205 entry.text.push_str(line); 282 entry.text.push_str(line);
@@ -209,6 +286,57 @@ The offending line: {:?}"#,
209 res 286 res
210} 287}
211 288
289//- /lib.rs crate:foo deps:bar,baz cfg:foo=a,bar=b env:OUTDIR=path/to,OTHER=foo
290fn parse_meta(meta: &str) -> FixtureMeta {
291 let components = meta.split_ascii_whitespace().collect::<Vec<_>>();
292
293 if components[0] == "root" {
294 let path: RelativePathBuf = components[1].into();
295 assert!(path.starts_with("/") && path.ends_with("/"));
296 return FixtureMeta::Root { path };
297 }
298
299 let path: RelativePathBuf = components[0].into();
300 assert!(path.starts_with("/"));
301
302 let mut krate = None;
303 let mut deps = Vec::new();
304 let mut edition = None;
305 let mut cfg = CfgOptions::default();
306 let mut env = FxHashMap::default();
307 for component in components[1..].iter() {
308 let (key, value) = split1(component, ':').unwrap();
309 match key {
310 "crate" => krate = Some(value.to_string()),
311 "deps" => deps = value.split(',').map(|it| it.to_string()).collect(),
312 "edition" => edition = Some(value.to_string()),
313 "cfg" => {
314 for key in value.split(',') {
315 match split1(key, '=') {
316 None => cfg.insert_atom(key.into()),
317 Some((k, v)) => cfg.insert_key_value(k.into(), v.into()),
318 }
319 }
320 }
321 "env" => {
322 for key in value.split(',') {
323 if let Some((k, v)) = split1(key, '=') {
324 env.insert(k.into(), v.into());
325 }
326 }
327 }
328 _ => panic!("bad component: {:?}", component),
329 }
330 }
331
332 FixtureMeta::File(FileMeta { path, crate_name: krate, deps, edition, cfg, env })
333}
334
335fn split1(haystack: &str, delim: char) -> Option<(&str, &str)> {
336 let idx = haystack.find(delim)?;
337 Some((&haystack[..idx], &haystack[idx + delim.len_utf8()..]))
338}
339
212/// Adjusts the indentation of the first line to the minimum indentation of the rest of the lines. 340/// Adjusts the indentation of the first line to the minimum indentation of the rest of the lines.
213/// This allows fixtures to start off in a different indentation, e.g. to align the first line with 341/// This allows fixtures to start off in a different indentation, e.g. to align the first line with
214/// the other lines visually: 342/// the other lines visually:
@@ -288,13 +416,33 @@ struct Bar;
288 ) 416 )
289} 417}
290 418
419#[test]
420fn parse_fixture_gets_full_meta() {
421 let parsed = parse_fixture(
422 r"
423 //- /lib.rs crate:foo deps:bar,baz cfg:foo=a,bar=b,atom env:OUTDIR=path/to,OTHER=foo
424 mod m;
425 ",
426 );
427 assert_eq!(1, parsed.len());
428
429 let parsed = &parsed[0];
430 assert_eq!("mod m;\n\n", parsed.text);
431
432 let meta = &parsed.meta;
433 assert_eq!("foo", meta.crate_name().unwrap());
434 assert_eq!("/lib.rs", meta.path());
435 assert!(meta.cfg_options().is_some());
436 assert_eq!(2, meta.env().count());
437}
438
291/// Same as `parse_fixture`, except it allow empty fixture 439/// Same as `parse_fixture`, except it allow empty fixture
292pub fn parse_single_fixture(fixture: &str) -> Option<FixtureEntry> { 440pub fn parse_single_fixture(ra_fixture: &str) -> Option<FixtureEntry> {
293 if !fixture.lines().any(|it| it.trim_start().starts_with("//-")) { 441 if !ra_fixture.lines().any(|it| it.trim_start().starts_with("//-")) {
294 return None; 442 return None;
295 } 443 }
296 444
297 let fixtures = parse_fixture(fixture); 445 let fixtures = parse_fixture(ra_fixture);
298 if fixtures.len() > 1 { 446 if fixtures.len() > 1 {
299 panic!("too many fixtures"); 447 panic!("too many fixtures");
300 } 448 }