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-rw-r--r--src/tools/cargo/tests/testsuite/rustdoc_extern_html.rs426
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diff --git a/src/tools/cargo/tests/testsuite/rustdoc_extern_html.rs b/src/tools/cargo/tests/testsuite/rustdoc_extern_html.rs
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+//! Tests for the -Zrustdoc-map feature.
+
+use cargo_test_support::registry::{self, Package};
+use cargo_test_support::{paths, project, Project};
+
+fn basic_project() -> Project {
+ Package::new("bar", "1.0.0")
+ .file("src/lib.rs", "pub struct Straw;")
+ .publish();
+
+ project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+ edition = "2018"
+
+ [dependencies]
+ bar = "1.0"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ pub fn myfun() -> Option<bar::Straw> {
+ None
+ }
+ "#,
+ )
+ .build()
+}
+
+#[cargo_test]
+fn ignores_on_stable() {
+ // Requires -Zrustdoc-map to use.
+ let p = basic_project();
+ p.cargo("doc -v --no-deps")
+ .with_stderr_does_not_contain("[..]--extern-html-root-url[..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn simple() {
+ // Basic test that it works with crates.io.
+ let p = basic_project();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo [..]bar=https://docs.rs/bar/1.0.0/[..]",
+ )
+ .run();
+ let myfun = p.read_file("target/doc/foo/fn.myfun.html");
+ assert!(myfun.contains(r#"href="https://docs.rs/bar/1.0.0/bar/struct.Straw.html""#));
+}
+
+#[ignore = "Broken, temporarily disabled until https://github.com/rust-lang/rust/pull/82776 is resolved."]
+#[cargo_test]
+// #[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn std_docs() {
+ // Mapping std docs somewhere else.
+ // For local developers, skip this test if docs aren't installed.
+ let docs = std::path::Path::new(&paths::sysroot()).join("share/doc/rust/html");
+ if !docs.exists() {
+ if cargo_util::is_ci() {
+ panic!("std docs are not installed, check that the rust-docs component is installed");
+ } else {
+ eprintln!(
+ "documentation not found at {}, \
+ skipping test (run `rustdoc component add rust-docs` to install",
+ docs.display()
+ );
+ return;
+ }
+ }
+ let p = basic_project();
+ p.change_file(
+ ".cargo/config",
+ r#"
+ [doc.extern-map]
+ std = "local"
+ "#,
+ );
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains("[RUNNING] `rustdoc [..]--crate-name foo [..]std=file://[..]")
+ .run();
+ let myfun = p.read_file("target/doc/foo/fn.myfun.html");
+ assert!(myfun.contains(r#"share/doc/rust/html/core/option/enum.Option.html""#));
+
+ p.change_file(
+ ".cargo/config",
+ r#"
+ [doc.extern-map]
+ std = "https://example.com/rust/"
+ "#,
+ );
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo [..]std=https://example.com/rust/[..]",
+ )
+ .run();
+ let myfun = p.read_file("target/doc/foo/fn.myfun.html");
+ assert!(myfun.contains(r#"href="https://example.com/rust/core/option/enum.Option.html""#));
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn renamed_dep() {
+ // Handles renamed dependencies.
+ Package::new("bar", "1.0.0")
+ .file("src/lib.rs", "pub struct Straw;")
+ .publish();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+ edition = "2018"
+
+ [dependencies]
+ groovy = { version = "1.0", package = "bar" }
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ pub fn myfun() -> Option<groovy::Straw> {
+ None
+ }
+ "#,
+ )
+ .build();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo [..]bar=https://docs.rs/bar/1.0.0/[..]",
+ )
+ .run();
+ let myfun = p.read_file("target/doc/foo/fn.myfun.html");
+ assert!(myfun.contains(r#"href="https://docs.rs/bar/1.0.0/bar/struct.Straw.html""#));
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn lib_name() {
+ // Handles lib name != package name.
+ Package::new("bar", "1.0.0")
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "bar"
+ version = "1.0.0"
+
+ [lib]
+ name = "rumpelstiltskin"
+ "#,
+ )
+ .file("src/lib.rs", "pub struct Straw;")
+ .publish();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+
+ [dependencies]
+ bar = "1.0"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ pub fn myfun() -> Option<rumpelstiltskin::Straw> {
+ None
+ }
+ "#,
+ )
+ .build();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo [..]rumpelstiltskin=https://docs.rs/bar/1.0.0/[..]",
+ )
+ .run();
+ let myfun = p.read_file("target/doc/foo/fn.myfun.html");
+ assert!(myfun.contains(r#"href="https://docs.rs/bar/1.0.0/rumpelstiltskin/struct.Straw.html""#));
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn alt_registry() {
+ // Supports other registry names.
+ registry::alt_init();
+ Package::new("bar", "1.0.0")
+ .alternative(true)
+ .file(
+ "src/lib.rs",
+ r#"
+ extern crate baz;
+ pub struct Queen;
+ pub use baz::King;
+ "#,
+ )
+ .registry_dep("baz", "1.0")
+ .publish();
+ Package::new("baz", "1.0.0")
+ .alternative(true)
+ .file("src/lib.rs", "pub struct King;")
+ .publish();
+ Package::new("grimm", "1.0.0")
+ .file("src/lib.rs", "pub struct Gold;")
+ .publish();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+ edition = "2018"
+
+ [dependencies]
+ bar = { version = "1.0", registry="alternative" }
+ grimm = "1.0"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ pub fn queen() -> bar::Queen { bar::Queen }
+ pub fn king() -> bar::King { bar::King }
+ pub fn gold() -> grimm::Gold { grimm::Gold }
+ "#,
+ )
+ .file(
+ ".cargo/config",
+ r#"
+ [doc.extern-map.registries]
+ alternative = "https://example.com/{pkg_name}/{version}/"
+ crates-io = "https://docs.rs/"
+ "#,
+ )
+ .build();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo \
+ [..]bar=https://example.com/bar/1.0.0/[..]grimm=https://docs.rs/grimm/1.0.0/[..]",
+ )
+ .run();
+ let queen = p.read_file("target/doc/foo/fn.queen.html");
+ assert!(queen.contains(r#"href="https://example.com/bar/1.0.0/bar/struct.Queen.html""#));
+ // The king example fails to link. Rustdoc seems to want the origin crate
+ // name (baz) for re-exports. There are many issues in the issue tracker
+ // for rustdoc re-exports, so I'm not sure, but I think this is maybe a
+ // rustdoc issue. Alternatively, Cargo could provide mappings for all
+ // transitive dependencies to fix this.
+ let king = p.read_file("target/doc/foo/fn.king.html");
+ assert!(king.contains(r#"-&gt; King"#));
+
+ let gold = p.read_file("target/doc/foo/fn.gold.html");
+ assert!(gold.contains(r#"href="https://docs.rs/grimm/1.0.0/grimm/struct.Gold.html""#));
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn multiple_versions() {
+ // What happens when there are multiple versions.
+ // NOTE: This is currently broken behavior. Rustdoc does not provide a way
+ // to match renamed dependencies.
+ Package::new("bar", "1.0.0")
+ .file("src/lib.rs", "pub struct Spin;")
+ .publish();
+ Package::new("bar", "2.0.0")
+ .file("src/lib.rs", "pub struct Straw;")
+ .publish();
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+ edition = "2018"
+
+ [dependencies]
+ bar = "1.0"
+ bar2 = {version="2.0", package="bar"}
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ "
+ pub fn fn1() -> bar::Spin {bar::Spin}
+ pub fn fn2() -> bar2::Straw {bar2::Straw}
+ ",
+ )
+ .build();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo \
+ [..]bar=https://docs.rs/bar/1.0.0/[..]bar=https://docs.rs/bar/2.0.0/[..]",
+ )
+ .run();
+ let fn1 = p.read_file("target/doc/foo/fn.fn1.html");
+ // This should be 1.0.0, rustdoc seems to use the last entry when there
+ // are duplicates.
+ assert!(fn1.contains(r#"href="https://docs.rs/bar/2.0.0/bar/struct.Spin.html""#));
+ let fn2 = p.read_file("target/doc/foo/fn.fn2.html");
+ assert!(fn2.contains(r#"href="https://docs.rs/bar/2.0.0/bar/struct.Straw.html""#));
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn rebuilds_when_changing() {
+ // Make sure it rebuilds if the map changes.
+ let p = basic_project();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains("[..]--extern-html-root-url[..]")
+ .run();
+
+ // This also tests that the map for docs.rs can be overridden.
+ p.change_file(
+ ".cargo/config",
+ r#"
+ [doc.extern-map.registries]
+ crates-io = "https://example.com/"
+ "#,
+ );
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--extern-html-root-url [..]bar=https://example.com/bar/1.0.0/[..]",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "--extern-html-root-url is unstable")]
+fn alt_sparse_registry() {
+ // Supports other registry names.
+
+ registry::init();
+ let _registry = registry::RegistryBuilder::new()
+ .http_index()
+ .alternative()
+ .build();
+
+ Package::new("bar", "1.0.0")
+ .alternative(true)
+ .file(
+ "src/lib.rs",
+ r#"
+ extern crate baz;
+ pub struct Queen;
+ pub use baz::King;
+ "#,
+ )
+ .registry_dep("baz", "1.0")
+ .publish();
+ Package::new("baz", "1.0.0")
+ .alternative(true)
+ .file("src/lib.rs", "pub struct King;")
+ .publish();
+ Package::new("grimm", "1.0.0")
+ .file("src/lib.rs", "pub struct Gold;")
+ .publish();
+
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+ edition = "2018"
+
+ [dependencies]
+ bar = { version = "1.0", registry="alternative" }
+ grimm = "1.0"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ pub fn queen() -> bar::Queen { bar::Queen }
+ pub fn king() -> bar::King { bar::King }
+ pub fn gold() -> grimm::Gold { grimm::Gold }
+ "#,
+ )
+ .file(
+ ".cargo/config",
+ r#"
+ [doc.extern-map.registries]
+ alternative = "https://example.com/{pkg_name}/{version}/"
+ crates-io = "https://docs.rs/"
+ "#,
+ )
+ .build();
+ p.cargo("doc -v --no-deps -Zrustdoc-map")
+ .masquerade_as_nightly_cargo(&["rustdoc-map"])
+ .with_stderr_contains(
+ "[RUNNING] `rustdoc [..]--crate-name foo \
+ [..]bar=https://example.com/bar/1.0.0/[..]grimm=https://docs.rs/grimm/1.0.0/[..]",
+ )
+ .run();
+ let queen = p.read_file("target/doc/foo/fn.queen.html");
+ assert!(queen.contains(r#"href="https://example.com/bar/1.0.0/bar/struct.Queen.html""#));
+ // The king example fails to link. Rustdoc seems to want the origin crate
+ // name (baz) for re-exports. There are many issues in the issue tracker
+ // for rustdoc re-exports, so I'm not sure, but I think this is maybe a
+ // rustdoc issue. Alternatively, Cargo could provide mappings for all
+ // transitive dependencies to fix this.
+ let king = p.read_file("target/doc/foo/fn.king.html");
+ assert!(king.contains(r#"-&gt; King"#));
+
+ let gold = p.read_file("target/doc/foo/fn.gold.html");
+ assert!(gold.contains(r#"href="https://docs.rs/grimm/1.0.0/grimm/struct.Gold.html""#));
+}
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