Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/doc_links.rs')
| -rw-r--r-- | crates/ide/src/doc_links.rs | 399 |
1 files changed, 3 insertions, 396 deletions
diff --git a/crates/ide/src/doc_links.rs b/crates/ide/src/doc_links.rs index df25d80178..4985a71a85 100644 --- a/crates/ide/src/doc_links.rs +++ b/crates/ide/src/doc_links.rs @@ -1,5 +1,8 @@ //! Extracts, resolves and rewrites links and intra-doc links in markdown documentation. +#[cfg(test)] +mod tests; + mod intra_doc_links; use either::Either; @@ -528,399 +531,3 @@ fn get_assoc_item_fragment(db: &dyn HirDatabase, assoc_item: hir::AssocItem) -> AssocItem::TypeAlias(ty) => format!("associatedtype.{}", ty.name(db)), }) } - -#[cfg(test)] -mod tests { - use expect_test::{expect, Expect}; - use ide_db::base_db::FileRange; - use itertools::Itertools; - - use crate::{fixture, TryToNav}; - - use super::*; - - #[test] - fn external_docs_doc_url_crate() { - check_external_docs( - r#" -//- /main.rs crate:main deps:foo -use foo$0::Foo; -//- /lib.rs crate:foo -pub struct Foo; -"#, - expect![[r#"https://docs.rs/foo/*/foo/index.html"#]], - ); - } - - #[test] - fn external_docs_doc_url_std_crate() { - check_external_docs( - r#" -//- /main.rs crate:std -use self$0; -"#, - expect![[r#"https://doc.rust-lang.org/nightly/std/index.html"#]], - ); - } - - #[test] - fn external_docs_doc_url_struct() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Fo$0o; -"#, - expect![[r#"https://docs.rs/foo/*/foo/struct.Foo.html"#]], - ); - } - - #[test] - fn external_docs_doc_url_struct_field() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo { - field$0: () -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#structfield.field"##]], - ); - } - - #[test] - fn external_docs_doc_url_fn() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub fn fo$0o() {} -"#, - expect![[r#"https://docs.rs/foo/*/foo/fn.foo.html"#]], - ); - } - - #[test] - fn external_docs_doc_url_impl_assoc() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo; -impl Foo { - pub fn method$0() {} -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#method.method"##]], - ); - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo; -impl Foo { - const CONST$0: () = (); -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#associatedconstant.CONST"##]], - ); - } - - #[test] - fn external_docs_doc_url_impl_trait_assoc() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo; -pub trait Trait { - fn method() {} -} -impl Trait for Foo { - pub fn method$0() {} -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#method.method"##]], - ); - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo; -pub trait Trait { - const CONST: () = (); -} -impl Trait for Foo { - const CONST$0: () = (); -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#associatedconstant.CONST"##]], - ); - check_external_docs( - r#" -//- /main.rs crate:foo -pub struct Foo; -pub trait Trait { - type Type; -} -impl Trait for Foo { - type Type$0 = (); -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/struct.Foo.html#associatedtype.Type"##]], - ); - } - - #[test] - fn external_docs_doc_url_trait_assoc() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub trait Foo { - fn method$0(); -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/trait.Foo.html#tymethod.method"##]], - ); - check_external_docs( - r#" -//- /main.rs crate:foo -pub trait Foo { - const CONST$0: (); -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/trait.Foo.html#associatedconstant.CONST"##]], - ); - check_external_docs( - r#" -//- /main.rs crate:foo -pub trait Foo { - type Type$0; -} -"#, - expect![[r##"https://docs.rs/foo/*/foo/trait.Foo.html#associatedtype.Type"##]], - ); - } - - #[test] - fn external_docs_trait() { - check_external_docs( - r#" -//- /main.rs crate:foo -trait Trait$0 {} -"#, - expect![[r#"https://docs.rs/foo/*/foo/trait.Trait.html"#]], - ) - } - - #[test] - fn external_docs_module() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub mod foo { - pub mod ba$0r {} -} -"#, - expect![[r#"https://docs.rs/foo/*/foo/foo/bar/index.html"#]], - ) - } - - #[test] - fn external_docs_reexport_order() { - check_external_docs( - r#" -//- /main.rs crate:foo -pub mod wrapper { - pub use module::Item; - - pub mod module { - pub struct Item; - } -} - -fn foo() { - let bar: wrapper::It$0em; -} - "#, - expect![[r#"https://docs.rs/foo/*/foo/wrapper/module/struct.Item.html"#]], - ) - } - - #[test] - fn test_trait_items() { - check_doc_links( - r#" -/// [`Trait`] -/// [`Trait::Type`] -/// [`Trait::CONST`] -/// [`Trait::func`] -trait Trait$0 { - // ^^^^^ Trait - type Type; - // ^^^^ Trait::Type - const CONST: usize; - // ^^^^^ Trait::CONST - fn func(); - // ^^^^ Trait::func -} - "#, - ) - } - - #[test] - fn rewrite_html_root_url() { - check_rewrite( - r#" -//- /main.rs crate:foo -#![doc(arbitrary_attribute = "test", html_root_url = "https:/example.com", arbitrary_attribute2)] - -pub mod foo { - pub struct Foo; -} -/// [Foo](foo::Foo) -pub struct B$0ar -"#, - expect"#]], - ); - } - - #[test] - fn rewrite_on_field() { - check_rewrite( - r#" -//- /main.rs crate:foo -pub struct Foo { - /// [Foo](struct.Foo.html) - fie$0ld: () -} -"#, - expect"#]], - ); - } - - #[test] - fn rewrite_struct() { - check_rewrite( - r#" -//- /main.rs crate:foo -/// [Foo] -pub struct $0Foo; -"#, - expect"#]], - ); - check_rewrite( - r#" -//- /main.rs crate:foo -/// [`Foo`] -pub struct $0Foo; -"#, - expect"#]], - ); - check_rewrite( - r#" -//- /main.rs crate:foo -/// [Foo](struct.Foo.html) -pub struct $0Foo; -"#, - expect"#]], - ); - check_rewrite( - r#" -//- /main.rs crate:foo -/// [struct Foo](struct.Foo.html) -pub struct $0Foo; -"#, - expect"#]], - ); - check_rewrite( - r#" -//- /main.rs crate:foo -/// [my Foo][foo] -/// -/// [foo]: Foo -pub struct $0Foo; -"#, - expect"#]], - ); - } - - fn check_external_docs(ra_fixture: &str, expect: Expect) { - let (analysis, position) = fixture::position(ra_fixture); - let url = analysis.external_docs(position).unwrap().expect("could not find url for symbol"); - - expect.assert_eq(&url) - } - - fn check_rewrite(ra_fixture: &str, expect: Expect) { - let (analysis, position) = fixture::position(ra_fixture); - let sema = &Semantics::new(&*analysis.db); - let (cursor_def, docs) = def_under_cursor(sema, &position); - let res = rewrite_links(sema.db, docs.as_str(), cursor_def); - expect.assert_eq(&res) - } - - fn check_doc_links(ra_fixture: &str) { - let key_fn = |&(FileRange { file_id, range }, _): &_| (file_id, range.start()); - - let (analysis, position, mut expected) = fixture::annotations(ra_fixture); - expected.sort_by_key(key_fn); - let sema = &Semantics::new(&*analysis.db); - let (cursor_def, docs) = def_under_cursor(sema, &position); - let defs = extract_definitions_from_docs(&docs); - let actual: Vec<_> = defs - .into_iter() - .map(|(_, link, ns)| { - let def = resolve_doc_path_for_def(sema.db, cursor_def, &link, ns) - .unwrap_or_else(|| panic!("Failed to resolve {}", link)); - let nav_target = def.try_to_nav(sema.db).unwrap(); - let range = FileRange { - file_id: nav_target.file_id, - range: nav_target.focus_or_full_range(), - }; - (range, link) - }) - .sorted_by_key(key_fn) - .collect(); - assert_eq!(expected, actual); - } - - fn def_under_cursor( - sema: &Semantics<RootDatabase>, - position: &FilePosition, - ) -> (Definition, hir::Documentation) { - let (docs, def) = sema - .parse(position.file_id) - .syntax() - .token_at_offset(position.offset) - .left_biased() - .unwrap() - .ancestors() - .find_map(|it| node_to_def(sema, &it)) - .expect("no def found") - .unwrap(); - let docs = docs.expect("no docs found for cursor def"); - (def, docs) - } - - fn node_to_def( - sema: &Semantics<RootDatabase>, - node: &SyntaxNode, - ) -> Option<Option<(Option<hir::Documentation>, Definition)>> { - Some(match_ast! { - match node { - ast::SourceFile(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Module(def))), - ast::Module(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Module(def))), - ast::Fn(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Function(def))), - ast::Struct(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Struct(def)))), - ast::Union(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Union(def)))), - ast::Enum(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Adt(hir::Adt::Enum(def)))), - ast::Variant(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Variant(def))), - ast::Trait(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Trait(def))), - ast::Static(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Static(def))), - ast::Const(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Const(def))), - ast::TypeAlias(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::TypeAlias(def))), - ast::Impl(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::SelfType(def))), - ast::RecordField(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Field(def))), - ast::TupleField(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Field(def))), - ast::Macro(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Macro(def))), - // ast::Use(it) => sema.to_def(&it).map(|def| (Box::new(it) as _, def.attrs(sema.db))), - _ => return None, - } - }) - } -} |