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