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|
extern crate relative_path;
extern crate ra_analysis;
extern crate rustc_hash;
extern crate test_utils;
use std::{
sync::Arc,
};
use rustc_hash::FxHashMap;
use relative_path::{RelativePath, RelativePathBuf};
use ra_analysis::{Analysis, AnalysisHost, FileId, FileResolver, JobHandle, CrateGraph, CrateId};
use test_utils::assert_eq_dbg;
#[derive(Debug)]
struct FileMap(Vec<(FileId, RelativePathBuf)>);
impl FileMap {
fn iter<'a>(&'a self) -> impl Iterator<Item=(FileId, &'a RelativePath)> + 'a {
self.0.iter().map(|(id, path)| (*id, path.as_relative_path()))
}
fn path(&self, id: FileId) -> &RelativePath {
self.iter()
.find(|&(it, _)| it == id)
.unwrap()
.1
}
}
impl FileResolver for FileMap {
fn file_stem(&self, id: FileId) -> String {
self.path(id).file_stem().unwrap().to_string()
}
fn resolve(&self, id: FileId, rel: &RelativePath) -> Option<FileId> {
let path = self.path(id).join(rel).normalize();
let id = self.iter().find(|&(_, p)| path == p)?.0;
Some(id)
}
}
fn analysis_host(files: &'static [(&'static str, &'static str)]) -> AnalysisHost {
let mut host = AnalysisHost::new();
let mut file_map = Vec::new();
for (id, &(path, contents)) in files.iter().enumerate() {
let file_id = FileId((id + 1) as u32);
assert!(path.starts_with('/'));
let path = RelativePathBuf::from_path(&path[1..]).unwrap();
host.change_file(file_id, Some(contents.to_string()));
file_map.push((file_id, path));
}
host.set_file_resolver(Arc::new(FileMap(file_map)));
host
}
fn analysis(files: &'static [(&'static str, &'static str)]) -> Analysis {
analysis_host(files).analysis()
}
#[test]
fn test_resolve_module() {
let snap = analysis(&[
("/lib.rs", "mod foo;"),
("/foo.rs", "")
]);
let (_handle, token) = JobHandle::new();
let symbols = snap.approximately_resolve_symbol(FileId(1), 4.into(), &token);
assert_eq_dbg(
r#"[(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })]"#,
&symbols,
);
let snap = analysis(&[
("/lib.rs", "mod foo;"),
("/foo/mod.rs", "")
]);
let symbols = snap.approximately_resolve_symbol(FileId(1), 4.into(), &token);
assert_eq_dbg(
r#"[(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })]"#,
&symbols,
);
}
#[test]
fn test_unresolved_module_diagnostic() {
let snap = analysis(&[("/lib.rs", "mod foo;")]);
let diagnostics = snap.diagnostics(FileId(1));
assert_eq_dbg(
r#"[Diagnostic {
message: "unresolved module",
range: [4; 7),
fix: Some(SourceChange {
label: "create module",
source_file_edits: [],
file_system_edits: [CreateFile { anchor: FileId(1), path: "../foo.rs" }],
cursor_position: None }) }]"#,
&diagnostics,
);
}
#[test]
fn test_unresolved_module_diagnostic_no_diag_for_inline_mode() {
let snap = analysis(&[("/lib.rs", "mod foo {}")]);
let diagnostics = snap.diagnostics(FileId(1));
assert_eq_dbg(
r#"[]"#,
&diagnostics,
);
}
#[test]
fn test_resolve_parent_module() {
let snap = analysis(&[
("/lib.rs", "mod foo;"),
("/foo.rs", ""),
]);
let symbols = snap.parent_module(FileId(2));
assert_eq_dbg(
r#"[(FileId(1), FileSymbol { name: "foo", node_range: [0; 8), kind: MODULE })]"#,
&symbols,
);
}
#[test]
fn test_resolve_crate_root() {
let mut host = analysis_host(&[
("/lib.rs", "mod foo;"),
("/foo.rs", ""),
]);
let snap = host.analysis();
assert!(snap.crate_for(FileId(2)).is_empty());
let crate_graph = CrateGraph {
crate_roots: {
let mut m = FxHashMap::default();
m.insert(CrateId(1), FileId(1));
m
},
};
host.set_crate_graph(crate_graph);
let snap = host.analysis();
assert_eq!(
snap.crate_for(FileId(2)),
vec![CrateId(1)],
);
}
|
