use std::sync::Arc; use salsa::Database; use ra_db::{FilesDatabase, CrateGraph}; use ra_syntax::SmolStr; use relative_path::RelativePath; use crate::{ self as hir, db::HirDatabase, mock::MockDatabase, }; fn item_map(fixture: &str) -> (Arc, 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, sr) = MockDatabase::with_files( " //- /main.rs use test_crate::Baz; //- /lib.rs pub struct Baz; ", ); let main_id = sr.files[RelativePath::new("/main.rs")]; let lib_id = sr.files[RelativePath::new("/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 ) } }