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extern crate ra_analysis;
extern crate ra_editor;
extern crate ra_syntax;
extern crate relative_path;
extern crate rustc_hash;
extern crate test_utils;
use std::sync::Arc;
use ra_analysis::{
Analysis, AnalysisHost, CrateGraph, CrateId, FileId, FileResolver, FnDescriptor, JobHandle,
};
use relative_path::{RelativePath, RelativePathBuf};
use rustc_hash::FxHashMap;
use test_utils::{assert_eq_dbg, extract_offset};
#[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: &[(&str, &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: &[(&str, &str)]) -> Analysis {
analysis_host(files).analysis()
}
fn get_signature(text: &str) -> (FnDescriptor, Option<usize>) {
let (offset, code) = extract_offset(text);
let code = code.as_str();
let (_handle, token) = JobHandle::new_pair();
let snap = analysis(&[("/lib.rs", code)]);
snap.resolve_callable(FileId(1), offset, &token).unwrap()
}
#[test]
fn test_resolve_module() {
let snap = analysis(&[("/lib.rs", "mod foo;"), ("/foo.rs", "")]);
let (_handle, token) = JobHandle::new_pair();
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)],);
}
#[test]
fn test_fn_signature_two_args_first() {
let (desc, param) = get_signature(
r#"fn foo(x: u32, y: u32) -> u32 {x + y}
fn bar() { foo(<|>3, ); }"#,
);
assert_eq!(desc.name, "foo".to_string());
assert_eq!(desc.params, vec!("x".to_string(), "y".to_string()));
assert_eq!(desc.ret_type, Some("-> u32".into()));
assert_eq!(param, Some(0));
}
#[test]
fn test_fn_signature_two_args_second() {
let (desc, param) = get_signature(
r#"fn foo(x: u32, y: u32) -> u32 {x + y}
fn bar() { foo(3, <|>); }"#,
);
assert_eq!(desc.name, "foo".to_string());
assert_eq!(desc.params, vec!("x".to_string(), "y".to_string()));
assert_eq!(desc.ret_type, Some("-> u32".into()));
assert_eq!(param, Some(1));
}
#[test]
fn test_fn_signature_for_impl() {
let (desc, param) = get_signature(
r#"struct F; impl F { pub fn new() { F{}} }
fn bar() {let _ : F = F::new(<|>);}"#,
);
assert_eq!(desc.name, "new".to_string());
assert_eq!(desc.params, Vec::<String>::new());
assert_eq!(desc.ret_type, None);
assert_eq!(param, None);
}
#[test]
fn test_fn_signature_for_method_self() {
let (desc, param) = get_signature(
r#"struct F;
impl F {
pub fn new() -> F{
F{}
}
pub fn do_it(&self) {}
}
fn bar() {
let f : F = F::new();
f.do_it(<|>);
}"#,
);
assert_eq!(desc.name, "do_it".to_string());
assert_eq!(desc.params, vec!["&self".to_string()]);
assert_eq!(desc.ret_type, None);
assert_eq!(param, None);
}
#[test]
fn test_fn_signature_for_method_with_arg() {
let (desc, param) = get_signature(
r#"struct F;
impl F {
pub fn new() -> F{
F{}
}
pub fn do_it(&self, x: i32) {}
}
fn bar() {
let f : F = F::new();
f.do_it(<|>);
}"#,
);
assert_eq!(desc.name, "do_it".to_string());
assert_eq!(desc.params, vec!["&self".to_string(), "x".to_string()]);
assert_eq!(desc.ret_type, None);
assert_eq!(param, Some(1));
}
|
