893 lines
13 KiB
Rust
893 lines
13 KiB
Rust
mod globs;
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mod incremental;
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mod macros;
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mod mod_resolution;
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mod primitives;
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use std::sync::Arc;
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use base_db::{fixture::WithFixture, SourceDatabase};
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use expect_test::{expect, Expect};
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use crate::{db::DefDatabase, test_db::TestDB};
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use super::DefMap;
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fn compute_crate_def_map(ra_fixture: &str) -> Arc<DefMap> {
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let db = TestDB::with_files(ra_fixture);
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let krate = db.crate_graph().iter().next().unwrap();
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db.crate_def_map(krate)
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}
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fn render_crate_def_map(ra_fixture: &str) -> String {
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let db = TestDB::with_files(ra_fixture);
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let krate = db.crate_graph().iter().next().unwrap();
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db.crate_def_map(krate).dump(&db)
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}
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fn check(ra_fixture: &str, expect: Expect) {
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let actual = render_crate_def_map(ra_fixture);
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expect.assert_eq(&actual);
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}
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#[test]
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fn crate_def_map_smoke_test() {
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check(
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r#"
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//- /lib.rs
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mod foo;
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struct S;
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use crate::foo::bar::E;
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use self::E::V;
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//- /foo/mod.rs
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pub mod bar;
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fn f() {}
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//- /foo/bar.rs
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pub struct Baz;
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union U { to_be: bool, not_to_be: u8 }
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enum E { V }
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extern {
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type Ext;
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static EXT: u8;
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fn ext();
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}
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"#,
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expect![[r#"
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crate
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E: t
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S: t v
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V: t v
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foo: t
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crate::foo
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bar: t
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f: v
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crate::foo::bar
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Baz: t v
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E: t
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EXT: v
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Ext: t
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U: t
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ext: v
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"#]],
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);
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}
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#[test]
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fn crate_def_map_super_super() {
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check(
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r#"
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mod a {
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const A: usize = 0;
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mod b {
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const B: usize = 0;
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mod c {
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use super::super::*;
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}
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}
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}
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"#,
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expect![[r#"
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crate
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a: t
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crate::a
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A: v
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b: t
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crate::a::b
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B: v
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c: t
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crate::a::b::c
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A: v
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b: t
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"#]],
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);
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}
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#[test]
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fn crate_def_map_fn_mod_same_name() {
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check(
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r#"
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mod m {
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pub mod z {}
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pub fn z() {}
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}
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"#,
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expect![[r#"
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crate
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m: t
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crate::m
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z: t v
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crate::m::z
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"#]],
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);
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}
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#[test]
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fn bogus_paths() {
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cov_mark::check!(bogus_paths);
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check(
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r#"
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//- /lib.rs
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mod foo;
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struct S;
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use self;
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//- /foo/mod.rs
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use super;
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use crate;
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"#,
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expect![[r#"
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crate
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S: t v
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foo: t
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crate::foo
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"#]],
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);
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}
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#[test]
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fn use_as() {
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check(
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r#"
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//- /lib.rs
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mod foo;
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use crate::foo::Baz as Foo;
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//- /foo/mod.rs
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pub struct Baz;
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"#,
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expect![[r#"
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crate
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Foo: t v
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foo: t
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crate::foo
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn use_trees() {
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check(
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r#"
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//- /lib.rs
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mod foo;
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use crate::foo::bar::{Baz, Quux};
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//- /foo/mod.rs
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pub mod bar;
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//- /foo/bar.rs
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pub struct Baz;
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pub enum Quux {};
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"#,
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expect![[r#"
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crate
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Baz: t v
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Quux: t
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foo: t
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crate::foo
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bar: t
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crate::foo::bar
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Baz: t v
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Quux: t
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"#]],
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);
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}
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#[test]
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fn re_exports() {
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check(
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r#"
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//- /lib.rs
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mod foo;
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use self::foo::Baz;
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//- /foo/mod.rs
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pub mod bar;
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pub use self::bar::Baz;
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//- /foo/bar.rs
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pub struct Baz;
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"#,
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expect![[r#"
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crate
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Baz: t v
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foo: t
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crate::foo
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Baz: t v
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bar: t
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crate::foo::bar
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn std_prelude() {
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cov_mark::check!(std_prelude);
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check(
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r#"
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//- /main.rs crate:main deps:test_crate
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#[prelude_import]
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use ::test_crate::prelude::*;
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use Foo::*;
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//- /lib.rs crate:test_crate
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pub mod prelude;
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//- /prelude.rs
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pub enum Foo { Bar, Baz }
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"#,
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expect![[r#"
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crate
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Bar: t v
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn can_import_enum_variant() {
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cov_mark::check!(can_import_enum_variant);
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check(
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r#"
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enum E { V }
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use self::E::V;
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"#,
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expect![[r#"
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crate
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E: t
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V: t v
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"#]],
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);
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}
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#[test]
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fn edition_2015_imports() {
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check(
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r#"
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//- /main.rs crate:main deps:other_crate edition:2015
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mod foo;
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mod bar;
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//- /bar.rs
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struct Bar;
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//- /foo.rs
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use bar::Bar;
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use other_crate::FromLib;
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//- /lib.rs crate:other_crate edition:2018
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pub struct FromLib;
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"#,
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expect![[r#"
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crate
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bar: t
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foo: t
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crate::bar
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Bar: t v
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crate::foo
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Bar: t v
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FromLib: t v
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"#]],
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);
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}
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#[test]
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fn item_map_using_self() {
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check(
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r#"
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//- /lib.rs
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mod foo;
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use crate::foo::bar::Baz::{self};
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//- /foo/mod.rs
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pub mod bar;
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//- /foo/bar.rs
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pub struct Baz;
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"#,
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expect![[r#"
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crate
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Baz: t
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foo: t
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crate::foo
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bar: t
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crate::foo::bar
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn item_map_across_crates() {
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check(
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r#"
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//- /main.rs crate:main deps:test_crate
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use test_crate::Baz;
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//- /lib.rs crate:test_crate
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pub struct Baz;
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"#,
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expect![[r#"
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crate
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn extern_crate_rename() {
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check(
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r#"
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//- /main.rs crate:main deps:alloc
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extern crate alloc as alloc_crate;
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mod alloc;
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mod sync;
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//- /sync.rs
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use alloc_crate::Arc;
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//- /lib.rs crate:alloc
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pub struct Arc;
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"#,
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expect![[r#"
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crate
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alloc_crate: t
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sync: t
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crate::sync
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Arc: t v
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"#]],
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);
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}
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#[test]
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fn extern_crate_rename_2015_edition() {
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check(
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r#"
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//- /main.rs crate:main deps:alloc edition:2015
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extern crate alloc as alloc_crate;
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mod alloc;
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mod sync;
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//- /sync.rs
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use alloc_crate::Arc;
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//- /lib.rs crate:alloc
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pub struct Arc;
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"#,
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expect![[r#"
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crate
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alloc_crate: t
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sync: t
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crate::sync
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Arc: t v
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"#]],
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);
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}
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#[test]
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fn macro_use_extern_crate_self() {
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cov_mark::check!(ignore_macro_use_extern_crate_self);
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check(
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r#"
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//- /main.rs crate:main
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#[macro_use]
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extern crate self as bla;
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"#,
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expect![[r#"
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crate
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bla: t
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"#]],
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);
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}
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#[test]
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fn reexport_across_crates() {
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check(
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r#"
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//- /main.rs crate:main deps:test_crate
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use test_crate::Baz;
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//- /lib.rs crate:test_crate
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pub use foo::Baz;
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mod foo;
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//- /foo.rs
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pub struct Baz;
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"#,
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expect![[r#"
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crate
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Baz: t v
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"#]],
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);
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}
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#[test]
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fn values_dont_shadow_extern_crates() {
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check(
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r#"
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//- /main.rs crate:main deps:foo
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fn foo() {}
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use foo::Bar;
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//- /foo/lib.rs crate:foo
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pub struct Bar;
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"#,
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expect![[r#"
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crate
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Bar: t v
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foo: v
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"#]],
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);
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}
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#[test]
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fn no_std_prelude() {
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check(
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r#"
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//- /main.rs crate:main deps:core,std
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#![cfg_attr(not(never), no_std)]
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use Rust;
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//- /core.rs crate:core
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pub mod prelude {
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pub mod rust_2018 {
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pub struct Rust;
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}
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}
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//- /std.rs crate:std deps:core
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pub mod prelude {
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pub mod rust_2018 {
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}
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}
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"#,
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expect![[r#"
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crate
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Rust: t v
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"#]],
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);
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}
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#[test]
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fn edition_specific_preludes() {
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// We can't test the 2015 prelude here since you can't reexport its contents with 2015's
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// absolute paths.
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check(
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r#"
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//- /main.rs edition:2018 crate:main deps:std
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use Rust2018;
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//- /std.rs crate:std
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pub mod prelude {
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pub mod rust_2018 {
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pub struct Rust2018;
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}
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}
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"#,
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expect![[r#"
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crate
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Rust2018: t v
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"#]],
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);
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check(
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r#"
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//- /main.rs edition:2021 crate:main deps:std
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use Rust2021;
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//- /std.rs crate:std
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pub mod prelude {
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pub mod rust_2021 {
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pub struct Rust2021;
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}
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}
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"#,
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expect![[r#"
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crate
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Rust2021: t v
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"#]],
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);
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}
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#[test]
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fn std_prelude_takes_precedence_above_core_prelude() {
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check(
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r#"
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//- /main.rs crate:main deps:core,std
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use {Foo, Bar};
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//- /std.rs crate:std deps:core
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pub mod prelude {
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pub mod rust_2018 {
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pub struct Foo;
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pub use core::prelude::rust_2018::Bar;
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}
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}
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|
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//- /core.rs crate:core
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pub mod prelude {
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pub mod rust_2018 {
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pub struct Bar;
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}
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}
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"#,
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expect![[r#"
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crate
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Bar: t v
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Foo: t v
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"#]],
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);
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}
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#[test]
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fn cfg_not_test() {
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check(
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r#"
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//- /main.rs crate:main deps:std
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use {Foo, Bar, Baz};
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|
|
//- /lib.rs crate:std
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pub mod prelude {
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pub mod rust_2018 {
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#[cfg(test)]
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pub struct Foo;
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|
#[cfg(not(test))]
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pub struct Bar;
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|
#[cfg(all(not(any()), feature = "foo", feature = "bar", opt = "42"))]
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pub struct Baz;
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}
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}
|
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"#,
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expect![[r#"
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crate
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Bar: t v
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Baz: _
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Foo: _
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"#]],
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);
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|
}
|
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|
|
#[test]
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|
fn cfg_test() {
|
|
check(
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r#"
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|
//- /main.rs crate:main deps:std
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use {Foo, Bar, Baz};
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|
|
//- /lib.rs crate:std cfg:test,feature=foo,feature=bar,opt=42
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|
pub mod prelude {
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|
pub mod rust_2018 {
|
|
#[cfg(test)]
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|
pub struct Foo;
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|
#[cfg(not(test))]
|
|
pub struct Bar;
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|
#[cfg(all(not(any()), feature = "foo", feature = "bar", opt = "42"))]
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|
pub struct Baz;
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}
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}
|
|
"#,
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expect![[r#"
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crate
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Bar: _
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Baz: t v
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Foo: t v
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"#]],
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);
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}
|
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|
|
#[test]
|
|
fn infer_multiple_namespace() {
|
|
check(
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r#"
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|
//- /main.rs
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|
mod a {
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pub type T = ();
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pub use crate::b::*;
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}
|
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|
|
use crate::a::T;
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|
|
mod b {
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pub const T: () = ();
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}
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"#,
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expect![[r#"
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crate
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T: t v
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a: t
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b: t
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|
|
crate::b
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|
T: v
|
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|
|
crate::a
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T: t v
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"#]],
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);
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|
}
|
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|
|
#[test]
|
|
fn underscore_import() {
|
|
check(
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r#"
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|
//- /main.rs
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|
use tr::Tr as _;
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|
use tr::Tr2 as _;
|
|
|
|
mod tr {
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|
pub trait Tr {}
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|
pub trait Tr2 {}
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}
|
|
"#,
|
|
expect![[r#"
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|
crate
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|
_: t
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_: t
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tr: t
|
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|
|
crate::tr
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|
Tr: t
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|
Tr2: t
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn underscore_reexport() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
mod tr {
|
|
pub trait PubTr {}
|
|
pub trait PrivTr {}
|
|
}
|
|
mod reex {
|
|
use crate::tr::PrivTr as _;
|
|
pub use crate::tr::PubTr as _;
|
|
}
|
|
use crate::reex::*;
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
_: t
|
|
reex: t
|
|
tr: t
|
|
|
|
crate::tr
|
|
PrivTr: t
|
|
PubTr: t
|
|
|
|
crate::reex
|
|
_: t
|
|
_: t
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn underscore_pub_crate_reexport() {
|
|
cov_mark::check!(upgrade_underscore_visibility);
|
|
check(
|
|
r#"
|
|
//- /main.rs crate:main deps:lib
|
|
use lib::*;
|
|
|
|
//- /lib.rs crate:lib
|
|
use tr::Tr as _;
|
|
pub use tr::Tr as _;
|
|
|
|
mod tr {
|
|
pub trait Tr {}
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
_: t
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn underscore_nontrait() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
mod m {
|
|
pub struct Struct;
|
|
pub enum Enum {}
|
|
pub const CONST: () = ();
|
|
}
|
|
use crate::m::{Struct as _, Enum as _, CONST as _};
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
m: t
|
|
|
|
crate::m
|
|
CONST: v
|
|
Enum: t
|
|
Struct: t v
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn underscore_name_conflict() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
struct Tr;
|
|
|
|
use tr::Tr as _;
|
|
|
|
mod tr {
|
|
pub trait Tr {}
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
_: t
|
|
Tr: t v
|
|
tr: t
|
|
|
|
crate::tr
|
|
Tr: t
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn cfg_the_entire_crate() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
#![cfg(never)]
|
|
|
|
pub struct S;
|
|
pub enum E {}
|
|
pub fn f() {}
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn use_crate_as() {
|
|
check(
|
|
r#"
|
|
use crate as foo;
|
|
|
|
use foo::bar as baz;
|
|
|
|
fn bar() {}
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
bar: v
|
|
baz: v
|
|
foo: t
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn self_imports_only_types() {
|
|
check(
|
|
r#"
|
|
//- /main.rs
|
|
mod m {
|
|
pub macro S() {}
|
|
pub struct S;
|
|
}
|
|
|
|
use self::m::S::{self};
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
S: t
|
|
m: t
|
|
|
|
crate::m
|
|
S: t v m
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn import_from_extern_crate_only_imports_public_items() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs crate:lib deps:settings,macros
|
|
use macros::settings;
|
|
use settings::Settings;
|
|
//- /settings.rs crate:settings
|
|
pub struct Settings;
|
|
//- /macros.rs crate:macros
|
|
mod settings {}
|
|
pub const settings: () = ();
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
Settings: t v
|
|
settings: v
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn non_prelude_deps() {
|
|
check(
|
|
r#"
|
|
//- /lib.rs crate:lib deps:dep extern-prelude:
|
|
use dep::Struct;
|
|
//- /dep.rs crate:dep
|
|
pub struct Struct;
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
Struct: _
|
|
"#]],
|
|
);
|
|
check(
|
|
r#"
|
|
//- /lib.rs crate:lib deps:dep extern-prelude:
|
|
extern crate dep;
|
|
use dep::Struct;
|
|
//- /dep.rs crate:dep
|
|
pub struct Struct;
|
|
"#,
|
|
expect![[r#"
|
|
crate
|
|
Struct: t v
|
|
dep: t
|
|
"#]],
|
|
);
|
|
}
|