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|
use std::sync::Arc;
use salsa::Database;
use ra_db::{FilesDatabase, CrateGraph};
use ra_syntax::SmolStr;
use crate::{
self as hir,
db::HirDatabase,
mock::MockDatabase,
};
fn item_map(fixture: &str) -> (Arc<hir::ItemMap>, hir::ModuleId) {
let (db, pos) = MockDatabase::with_position(fixture);
let source_root = db.file_source_root(pos.file_id);
let module = hir::source_binder::module_from_position(&db, pos)
.unwrap()
.unwrap();
let module_id = module.module_id;
(db.item_map(source_root).unwrap(), module_id)
}
#[test]
fn item_map_smoke_test() {
let (item_map, module_id) = item_map(
"
//- /lib.rs
mod foo;
use crate::foo::bar::Baz;
<|>
//- /foo/mod.rs
pub mod bar;
//- /foo/bar.rs
pub struct Baz;
",
);
let name = SmolStr::from("Baz");
let resolution = &item_map.per_module[&module_id].items[&name];
assert!(resolution.def_id.is_some());
}
#[test]
fn item_map_across_crates() {
let (mut db, files) = MockDatabase::with_files(
"
//- /main.rs
use test_crate::Baz;
//- /lib.rs
pub struct Baz;
",
);
let main_id = files.file_id("/main.rs");
let lib_id = files.file_id("/lib.rs");
let mut crate_graph = CrateGraph::default();
let main_crate = crate_graph.add_crate_root(main_id);
let lib_crate = crate_graph.add_crate_root(lib_id);
crate_graph.add_dep(main_crate, "test_crate".into(), lib_crate);
db.set_crate_graph(crate_graph);
let source_root = db.file_source_root(main_id);
let module = hir::source_binder::module_from_file_id(&db, main_id)
.unwrap()
.unwrap();
let module_id = module.module_id;
let item_map = db.item_map(source_root).unwrap();
let name = SmolStr::from("Baz");
let resolution = &item_map.per_module[&module_id].items[&name];
assert!(resolution.def_id.is_some());
}
#[test]
fn typing_inside_a_function_should_not_invalidate_item_map() {
let (mut db, pos) = MockDatabase::with_position(
"
//- /lib.rs
mod foo;<|>
use crate::foo::bar::Baz;
fn foo() -> i32 {
1 + 1
}
//- /foo/mod.rs
pub mod bar;
//- /foo/bar.rs
pub struct Baz;
",
);
let source_root = db.file_source_root(pos.file_id);
{
let events = db.log_executed(|| {
db.item_map(source_root).unwrap();
});
assert!(format!("{:?}", events).contains("item_map"))
}
let new_text = "
mod foo;
use crate::foo::bar::Baz;
fn foo() -> i32 { 92 }
"
.to_string();
db.query_mut(ra_db::FileTextQuery)
.set(pos.file_id, Arc::new(new_text));
{
let events = db.log_executed(|| {
db.item_map(source_root).unwrap();
});
assert!(
!format!("{:?}", events).contains("_item_map"),
"{:#?}",
events
)
}
}
|
