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extern crate libanalysis;
extern crate relative_path;
extern crate test_utils;
use std::path::{Path};
use relative_path::RelativePath;
use libanalysis::{WorldState, FileId, FileResolver};
use test_utils::assert_eq_dbg;
struct FileMap(&'static [(u32, &'static str)]);
impl FileMap {
fn path(&self, id: FileId) -> &'static Path {
let s = self.0.iter()
.find(|it| it.0 == id.0)
.unwrap()
.1;
Path::new(s)
}
}
impl FileResolver for FileMap {
fn file_stem(&self, id: FileId) -> String {
self.path(id).file_stem().unwrap().to_str().unwrap().to_string()
}
fn resolve(&self, id: FileId, rel: &RelativePath) -> Option<FileId> {
let path = rel.to_path(self.path(id));
let path = path.to_str().unwrap();
let path = RelativePath::new(&path[1..]).normalize();
let &(id, _) = self.0.iter()
.find(|it| path == RelativePath::new(&it.1[1..]).normalize())?;
Some(FileId(id))
}
}
#[test]
fn test_resolve_module() {
let mut world = WorldState::new();
world.change_file(FileId(1), Some("mod foo;".to_string()));
world.change_file(FileId(2), Some("".to_string()));
let snap = world.snapshot(FileMap(&[
(1, "/lib.rs"),
(2, "/foo.rs"),
]));
let symbols = snap.approximately_resolve_symbol(FileId(1), 4.into())
.unwrap();
assert_eq_dbg(
r#"[(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })]"#,
&symbols,
);
let snap = world.snapshot(FileMap(&[
(1, "/lib.rs"),
(2, "/foo/mod.rs")
]));
let symbols = snap.approximately_resolve_symbol(FileId(1), 4.into())
.unwrap();
assert_eq_dbg(
r#"[(FileId(2), FileSymbol { name: "foo", node_range: [0; 0), kind: MODULE })]"#,
&symbols,
);
}
#[test]
fn test_unresolved_module_diagnostic() {
let mut world = WorldState::new();
world.change_file(FileId(1), Some("mod foo;".to_string()));
let snap = world.snapshot(FileMap(&[(1, "/lib.rs")]));
let diagnostics = snap.diagnostics(FileId(1)).unwrap();
assert_eq_dbg(
r#"[(Diagnostic { range: [4; 7), msg: "unresolved module" },
Some(QuickFix { fs_ops: [CreateFile { anchor: FileId(1), path: "../foo.rs" }] }))]"#,
&diagnostics,
);
}
#[test]
fn test_resolve_parent_module() {
let mut world = WorldState::new();
world.change_file(FileId(1), Some("mod foo;".to_string()));
world.change_file(FileId(2), Some("".to_string()));
let snap = world.snapshot(FileMap(&[
(1, "/lib.rs"),
(2, "/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,
);
}
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