use std::sync::Arc; use ra_db::{CrateGraph, SourceRootId, SourceDatabase}; use relative_path::RelativePath; use test_utils::{assert_eq_text, covers}; use crate::{ ItemMap, PersistentHirDatabase, mock::MockDatabase, module_tree::ModuleId, }; use super::Resolution; fn item_map(fixture: &str) -> (Arc, ModuleId) { let (db, pos) = MockDatabase::with_position(fixture); let module = crate::source_binder::module_from_position(&db, pos).unwrap(); let krate = module.krate(&db).unwrap(); let module_id = module.module_id; (db.item_map(krate), module_id) } /// Sets the crate root to the file of the cursor marker fn item_map_custom_crate_root(fixture: &str) -> (Arc, ModuleId) { let (mut db, pos) = MockDatabase::with_position(fixture); let mut crate_graph = CrateGraph::default(); crate_graph.add_crate_root(pos.file_id); db.set_crate_graph(Arc::new(crate_graph)); let module = crate::source_binder::module_from_position(&db, pos).unwrap(); let krate = module.krate(&db).unwrap(); let module_id = module.module_id; (db.item_map(krate), module_id) } fn check_module_item_map(map: &ItemMap, module_id: ModuleId, expected: &str) { let mut lines = map[module_id] .items .iter() .map(|(name, res)| format!("{}: {}", name, dump_resolution(res))) .collect::>(); lines.sort(); let actual = lines.join("\n"); let expected = expected.trim().lines().map(|it| it.trim()).collect::>().join("\n"); assert_eq_text!(&expected, &actual); fn dump_resolution(resolution: &Resolution) -> &'static str { match (resolution.def.types.is_some(), resolution.def.values.is_some()) { (true, true) => "t v", (true, false) => "t", (false, true) => "v", (false, false) => "_", } } } #[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; ", ); check_module_item_map( &item_map, module_id, " Baz: t v foo: t ", ); } #[test] fn use_as() { let (item_map, module_id) = item_map( " //- /lib.rs mod foo; use crate::foo::Baz as Foo; <|> //- /foo/mod.rs pub struct Baz; ", ); check_module_item_map( &item_map, module_id, " Foo: t v foo: t ", ); } #[test] fn use_trees() { let (item_map, module_id) = item_map( " //- /lib.rs mod foo; use crate::foo::bar::{Baz, Quux}; <|> //- /foo/mod.rs pub mod bar; //- /foo/bar.rs pub struct Baz; pub enum Quux {}; ", ); check_module_item_map( &item_map, module_id, " Baz: t v Quux: t foo: t ", ); } #[test] fn re_exports() { let (item_map, module_id) = item_map( " //- /lib.rs mod foo; use self::foo::Baz; <|> //- /foo/mod.rs pub mod bar; pub use self::bar::Baz; //- /foo/bar.rs pub struct Baz; ", ); check_module_item_map( &item_map, module_id, " Baz: t v foo: t ", ); } #[test] fn module_resolution_works_for_non_standard_filenames() { let (item_map, module_id) = item_map_custom_crate_root( " //- /my_library.rs mod foo; use self::foo::Bar; <|> //- /foo/mod.rs pub struct Bar; ", ); check_module_item_map( &item_map, module_id, " Bar: t v foo: t ", ); } #[test] fn name_res_works_for_broken_modules() { covers!(name_res_works_for_broken_modules); let (item_map, module_id) = item_map( " //- /lib.rs mod foo // no `;`, no body use self::foo::Baz; <|> //- /foo/mod.rs pub mod bar; pub use self::bar::Baz; //- /foo/bar.rs pub struct Baz; ", ); check_module_item_map( &item_map, module_id, " Baz: _ ", ); } #[test] fn item_map_contains_items_from_expansions() { 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 salsa::query_group! { trait Baz {} } ", ); check_module_item_map( &item_map, module_id, " Baz: t foo: t ", ); } #[test] fn item_map_using_self() { let (item_map, module_id) = item_map( " //- /lib.rs mod foo; use crate::foo::bar::Baz::{self}; <|> //- /foo/mod.rs pub mod bar; //- /foo/bar.rs pub struct Baz; ", ); check_module_item_map( &item_map, module_id, " Baz: t v foo: t ", ); } #[test] fn item_map_enum_importing() { covers!(item_map_enum_importing); let (item_map, module_id) = item_map( " //- /lib.rs enum E { V } use self::E::V; <|> ", ); check_module_item_map( &item_map, module_id, " E: t V: t v ", ); } #[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).unwrap(); db.set_crate_graph(Arc::new(crate_graph)); let module = crate::source_binder::module_from_file_id(&db, main_id).unwrap(); let krate = module.krate(&db).unwrap(); let item_map = db.item_map(krate); check_module_item_map( &item_map, module.module_id, " Baz: t v ", ); } #[test] fn extern_crate_rename() { let (mut db, sr) = MockDatabase::with_files( " //- /main.rs extern crate alloc as alloc_crate; mod alloc; mod sync; //- /sync.rs use alloc_crate::Arc; //- /lib.rs struct Arc; ", ); let main_id = sr.files[RelativePath::new("/main.rs")]; let sync_id = sr.files[RelativePath::new("/sync.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, "alloc".into(), lib_crate).unwrap(); db.set_crate_graph(Arc::new(crate_graph)); let module = crate::source_binder::module_from_file_id(&db, sync_id).unwrap(); let krate = module.krate(&db).unwrap(); let item_map = db.item_map(krate); check_module_item_map( &item_map, module.module_id, " Arc: t v ", ); } #[test] fn import_across_source_roots() { let (mut db, sr) = MockDatabase::with_files( " //- /lib.rs pub mod a { pub mod b { pub struct C; } } ", ); let lib_id = sr.files[RelativePath::new("/lib.rs")]; let source_root = SourceRootId(1); let (sr2, pos) = db.add_fixture( source_root, " //- /main.rs use test_crate::a::b::C; ", ); assert!(pos.is_none()); let main_id = sr2.files[RelativePath::new("/main.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).unwrap(); db.set_crate_graph(Arc::new(crate_graph)); let module = crate::source_binder::module_from_file_id(&db, main_id).unwrap(); let krate = module.krate(&db).unwrap(); let item_map = db.item_map(krate); check_module_item_map( &item_map, module.module_id, " C: t v ", ); } #[test] fn reexport_across_crates() { let (mut db, sr) = MockDatabase::with_files( " //- /main.rs use test_crate::Baz; //- /lib.rs pub use foo::Baz; mod foo; //- /foo.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).unwrap(); db.set_crate_graph(Arc::new(crate_graph)); let module = crate::source_binder::module_from_file_id(&db, main_id).unwrap(); let krate = module.krate(&db).unwrap(); let item_map = db.item_map(krate); check_module_item_map( &item_map, module.module_id, " Baz: t v ", ); } fn check_item_map_is_not_recomputed(initial: &str, file_change: &str) { let (mut db, pos) = MockDatabase::with_position(initial); let module = crate::source_binder::module_from_file_id(&db, pos.file_id).unwrap(); let krate = module.krate(&db).unwrap(); { let events = db.log_executed(|| { db.item_map(krate); }); assert!(format!("{:?}", events).contains("item_map")) } db.set_file_text(pos.file_id, Arc::new(file_change.to_string())); { let events = db.log_executed(|| { db.item_map(krate); }); assert!(!format!("{:?}", events).contains("item_map"), "{:#?}", events) } } #[test] fn typing_inside_a_function_should_not_invalidate_item_map() { check_item_map_is_not_recomputed( " //- /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; ", " mod foo; use crate::foo::bar::Baz; fn foo() -> i32 { 92 } ", ); } #[test] fn adding_inner_items_should_not_invalidate_item_map() { check_item_map_is_not_recomputed( " //- /lib.rs struct S { a: i32} enum E { A } trait T { fn a() {} } mod foo;<|> impl S { fn a() {} } use crate::foo::bar::Baz; //- /foo/mod.rs pub mod bar; //- /foo/bar.rs pub struct Baz; ", " struct S { a: i32, b: () } enum E { A, B } trait T { fn a() {} fn b() {} } mod foo;<|> impl S { fn a() {} fn b() {} } use crate::foo::bar::Baz; ", ); } #[test] fn typing_inside_a_function_inside_a_macro_should_not_invalidate_item_map() { check_item_map_is_not_recomputed( " //- /lib.rs mod foo; use crate::foo::bar::Baz; //- /foo/mod.rs pub mod bar; //- /foo/bar.rs <|> salsa::query_group! { trait Baz { fn foo() -> i32 { 1 + 1 } } } ", " salsa::query_group! { trait Baz { fn foo() -> i32 { 92 } } } ", ); }