//! Tests for the `cargo doc` command. use cargo::core::compiler::RustDocFingerprint; use cargo_test_support::paths::CargoPathExt; use cargo_test_support::registry::Package; use cargo_test_support::{basic_lib_manifest, basic_manifest, git, project}; use cargo_test_support::{rustc_host, symlink_supported, tools}; use std::fs; use std::str; #[cargo_test] fn simple() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] build = "build.rs" "#, ) .file("build.rs", "fn main() {}") .file("src/lib.rs", "pub fn foo() {}") .build(); p.cargo("doc") .with_stderr( "\ [..] foo v0.0.1 ([CWD]) [..] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/foo/index.html").is_file()); } #[cargo_test] fn doc_no_libs() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [[bin]] name = "foo" doc = false "#, ) .file("src/main.rs", "bad code") .build(); p.cargo("doc").run(); } #[cargo_test] fn doc_twice() { let p = project().file("src/lib.rs", "pub fn foo() {}").build(); p.cargo("doc") .with_stderr( "\ [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); p.cargo("doc") .with_stderr( "\ [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); } #[cargo_test] fn doc_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/lib.rs", "extern crate bar; pub fn foo() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("doc") .with_stderr( "\ [..] bar v0.0.1 ([CWD]/bar) [..] bar v0.0.1 ([CWD]/bar) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/foo/index.html").is_file()); assert!(p.root().join("target/doc/bar/index.html").is_file()); // Verify that it only emits rmeta for the dependency. assert_eq!(p.glob("target/debug/**/*.rlib").count(), 0); assert_eq!(p.glob("target/debug/deps/libbar-*.rmeta").count(), 1); // Make sure it doesn't recompile. p.cargo("doc") .with_stderr( "\ [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/foo/index.html").is_file()); assert!(p.root().join("target/doc/bar/index.html").is_file()); } #[cargo_test] fn doc_no_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/lib.rs", "extern crate bar; pub fn foo() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("doc --no-deps") .with_stderr( "\ [CHECKING] bar v0.0.1 ([CWD]/bar) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/foo/index.html").is_file()); assert!(!p.root().join("target/doc/bar/index.html").is_file()); } #[cargo_test] fn doc_only_bin() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file("src/main.rs", "extern crate bar; pub fn foo() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); p.cargo("doc -v").run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/bar/index.html").is_file()); assert!(p.root().join("target/doc/foo/index.html").is_file()); } #[cargo_test] fn doc_multiple_targets_same_name_lib() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo", "bar"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [lib] name = "foo_lib" "#, ) .file("foo/src/lib.rs", "") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [lib] name = "foo_lib" "#, ) .file("bar/src/lib.rs", "") .build(); p.cargo("doc --workspace") .with_status(101) .with_stderr( "\ error: document output filename collision The lib `foo_lib` in package `foo v0.1.0 ([ROOT]/foo/foo)` has the same name as \ the lib `foo_lib` in package `bar v0.1.0 ([ROOT]/foo/bar)`. Only one may be documented at once since they output to the same path. Consider documenting only one, renaming one, or marking one with `doc = false` in Cargo.toml. ", ) .run(); } #[cargo_test] fn doc_multiple_targets_same_name() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo", "bar"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [[bin]] name = "foo_lib" path = "src/foo_lib.rs" "#, ) .file("foo/src/foo_lib.rs", "") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [lib] name = "foo_lib" "#, ) .file("bar/src/lib.rs", "") .build(); p.cargo("doc --workspace") .with_stderr_unordered( "\ warning: output filename collision. The bin target `foo_lib` in package `foo v0.1.0 ([ROOT]/foo/foo)` \ has the same output filename as the lib target `foo_lib` in package \ `bar v0.1.0 ([ROOT]/foo/bar)`. Colliding filename is: [ROOT]/foo/target/doc/foo_lib/index.html The targets should have unique names. This is a known bug where multiple crates with the same name use the same path; see . [DOCUMENTING] bar v0.1.0 ([ROOT]/foo/bar) [DOCUMENTING] foo v0.1.0 ([ROOT]/foo/foo) [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo_lib/index.html [GENERATED] [CWD]/target/doc/foo_lib/index.html ", ) .run(); } #[cargo_test] fn doc_multiple_targets_same_name_bin() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo", "bar"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" "#, ) .file("foo/src/bin/foo-cli.rs", "") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" "#, ) .file("bar/src/bin/foo-cli.rs", "") .build(); p.cargo("doc --workspace") .with_status(101) .with_stderr( "\ error: document output filename collision The bin `foo-cli` in package `foo v0.1.0 ([ROOT]/foo/foo)` has the same name as \ the bin `foo-cli` in package `bar v0.1.0 ([ROOT]/foo/bar)`. Only one may be documented at once since they output to the same path. Consider documenting only one, renaming one, or marking one with `doc = false` in Cargo.toml. ", ) .run(); } #[cargo_test] fn doc_multiple_targets_same_name_undoced() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo", "bar"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [[bin]] name = "foo-cli" "#, ) .file("foo/src/foo-cli.rs", "") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [[bin]] name = "foo-cli" doc = false "#, ) .file("bar/src/foo-cli.rs", "") .build(); p.cargo("doc --workspace").run(); } #[cargo_test] fn doc_lib_bin_same_name_documents_lib() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .build(); p.cargo("doc") .with_stderr( "\ [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); let doc_html = p.read_file("target/doc/foo/index.html"); assert!(doc_html.contains("Library")); assert!(!doc_html.contains("Binary")); } #[cargo_test] fn doc_lib_bin_same_name_documents_lib_when_requested() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .build(); p.cargo("doc --lib") .with_stderr( "\ [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); let doc_html = p.read_file("target/doc/foo/index.html"); assert!(doc_html.contains("Library")); assert!(!doc_html.contains("Binary")); } #[cargo_test] fn doc_lib_bin_same_name_documents_named_bin_when_requested() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .build(); p.cargo("doc --bin foo") // The checking/documenting lines are sometimes swapped since they run // concurrently. .with_stderr_unordered( "\ warning: output filename collision. The bin target `foo` in package `foo v0.0.1 ([ROOT]/foo)` \ has the same output filename as the lib target `foo` in package `foo v0.0.1 ([ROOT]/foo)`. Colliding filename is: [ROOT]/foo/target/doc/foo/index.html The targets should have unique names. This is a known bug where multiple crates with the same name use the same path; see . [CHECKING] foo v0.0.1 ([CWD]) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); let doc_html = p.read_file("target/doc/foo/index.html"); assert!(!doc_html.contains("Library")); assert!(doc_html.contains("Binary")); } #[cargo_test] fn doc_lib_bin_same_name_documents_bins_when_requested() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .build(); p.cargo("doc --bins") // The checking/documenting lines are sometimes swapped since they run // concurrently. .with_stderr_unordered( "\ warning: output filename collision. The bin target `foo` in package `foo v0.0.1 ([ROOT]/foo)` \ has the same output filename as the lib target `foo` in package `foo v0.0.1 ([ROOT]/foo)`. Colliding filename is: [ROOT]/foo/target/doc/foo/index.html The targets should have unique names. This is a known bug where multiple crates with the same name use the same path; see . [CHECKING] foo v0.0.1 ([CWD]) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); let doc_html = p.read_file("target/doc/foo/index.html"); assert!(!doc_html.contains("Library")); assert!(doc_html.contains("Binary")); } #[cargo_test] fn doc_lib_bin_example_same_name_documents_named_example_when_requested() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .file( "examples/ex1.rs", r#" //! Example1 documentation pub fn x() { f(); } "#, ) .build(); p.cargo("doc --example ex1") // The checking/documenting lines are sometimes swapped since they run // concurrently. .with_stderr_unordered( "\ [CHECKING] foo v0.0.1 ([CWD]) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/ex1/index.html ", ) .run(); let doc_html = p.read_file("target/doc/ex1/index.html"); assert!(!doc_html.contains("Library")); assert!(!doc_html.contains("Binary")); assert!(doc_html.contains("Example1")); } #[cargo_test] fn doc_lib_bin_example_same_name_documents_examples_when_requested() { let p = project() .file( "src/main.rs", r#" //! Binary documentation extern crate foo; fn main() { foo::foo(); } "#, ) .file( "src/lib.rs", r#" //! Library documentation pub fn foo() {} "#, ) .file( "examples/ex1.rs", r#" //! Example1 documentation pub fn example1() { f(); } "#, ) .file( "examples/ex2.rs", r#" //! Example2 documentation pub fn example2() { f(); } "#, ) .build(); p.cargo("doc --examples") // The checking/documenting lines are sometimes swapped since they run // concurrently. .with_stderr_unordered( "\ [CHECKING] foo v0.0.1 ([CWD]) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/ex1/index.html [GENERATED] [CWD]/target/doc/ex2/index.html ", ) .run(); let example_doc_html_1 = p.read_file("target/doc/ex1/index.html"); let example_doc_html_2 = p.read_file("target/doc/ex2/index.html"); assert!(!example_doc_html_1.contains("Library")); assert!(!example_doc_html_1.contains("Binary")); assert!(!example_doc_html_2.contains("Library")); assert!(!example_doc_html_2.contains("Binary")); assert!(example_doc_html_1.contains("Example1")); assert!(example_doc_html_2.contains("Example2")); } #[cargo_test] fn doc_dash_p() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.a] path = "a" "#, ) .file("src/lib.rs", "extern crate a;") .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.0.1" authors = [] [dependencies.b] path = "../b" "#, ) .file("a/src/lib.rs", "extern crate b;") .file("b/Cargo.toml", &basic_manifest("b", "0.0.1")) .file("b/src/lib.rs", "") .build(); p.cargo("doc -p a") .with_stderr( "\ [..] b v0.0.1 ([CWD]/b) [..] b v0.0.1 ([CWD]/b) [DOCUMENTING] a v0.0.1 ([CWD]/a) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/a/index.html ", ) .run(); } #[cargo_test] fn doc_all_exclude() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("doc --workspace --exclude baz") .with_stderr_does_not_contain("[DOCUMENTING] baz v0.1.0 [..]") .with_stderr( "\ [DOCUMENTING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/bar/index.html ", ) .run(); } #[cargo_test] fn doc_all_exclude_glob() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("doc --workspace --exclude '*z'") .with_stderr_does_not_contain("[DOCUMENTING] baz v0.1.0 [..]") .with_stderr( "\ [DOCUMENTING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/bar/index.html ", ) .run(); } #[cargo_test] fn doc_same_name() { let p = project() .file("src/lib.rs", "") .file("src/bin/main.rs", "fn main() {}") .file("examples/main.rs", "fn main() {}") .file("tests/main.rs", "fn main() {}") .build(); p.cargo("doc").run(); } #[cargo_test(nightly, reason = "no_core, lang_items requires nightly")] fn doc_target() { const TARGET: &str = "arm-unknown-linux-gnueabihf"; let p = project() .file( "src/lib.rs", r#" #![allow(internal_features)] #![feature(no_core, lang_items)] #![no_core] #[lang = "sized"] trait Sized {} extern { pub static A: u32; } "#, ) .build(); p.cargo("doc --verbose --target").arg(TARGET).run(); assert!(p.root().join(&format!("target/{}/doc", TARGET)).is_dir()); assert!(p .root() .join(&format!("target/{}/doc/foo/index.html", TARGET)) .is_file()); } #[cargo_test] fn target_specific_not_documented() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [target.foo.dependencies] a = { path = "a" } "#, ) .file("src/lib.rs", "") .file("a/Cargo.toml", &basic_manifest("a", "0.0.1")) .file("a/src/lib.rs", "not rust") .build(); p.cargo("doc").run(); } #[cargo_test] fn output_not_captured() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies] a = { path = "a" } "#, ) .file("src/lib.rs", "") .file("a/Cargo.toml", &basic_manifest("a", "0.0.1")) .file( "a/src/lib.rs", " /// ``` /// ` /// ``` pub fn foo() {} ", ) .build(); p.cargo("doc") .with_stderr_contains("[..]unknown start of token: `") .run(); } #[cargo_test] fn target_specific_documented() { let p = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.0.1" authors = [] [target.foo.dependencies] a = {{ path = "a" }} [target.{}.dependencies] a = {{ path = "a" }} "#, rustc_host() ), ) .file( "src/lib.rs", " extern crate a; /// test pub fn foo() {} ", ) .file("a/Cargo.toml", &basic_manifest("a", "0.0.1")) .file( "a/src/lib.rs", " /// test pub fn foo() {} ", ) .build(); p.cargo("doc").run(); } #[cargo_test] fn no_document_build_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [build-dependencies] a = { path = "a" } "#, ) .file("src/lib.rs", "pub fn foo() {}") .file("a/Cargo.toml", &basic_manifest("a", "0.0.1")) .file( "a/src/lib.rs", " /// ``` /// ☃ /// ``` pub fn foo() {} ", ) .build(); p.cargo("doc").run(); } #[cargo_test] fn doc_release() { let p = project().file("src/lib.rs", "").build(); p.cargo("check --release").run(); p.cargo("doc --release -v") .with_stderr( "\ [DOCUMENTING] foo v0.0.1 ([..]) [RUNNING] `rustdoc [..] src/lib.rs [..]` [FINISHED] release [optimized] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); } #[cargo_test] fn doc_multiple_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" [dependencies.baz] path = "baz" "#, ) .file("src/lib.rs", "extern crate bar; pub fn foo() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.0.1")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); p.cargo("doc -p bar -p baz -v").run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/bar/index.html").is_file()); assert!(p.root().join("target/doc/baz/index.html").is_file()); } #[cargo_test] fn features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" [features] foo = ["bar/bar"] "#, ) .file("src/lib.rs", r#"#[cfg(feature = "foo")] pub fn foo() {}"#) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.0.1" authors = [] [features] bar = [] "#, ) .file( "bar/build.rs", r#" fn main() { println!("cargo:rustc-cfg=bar"); } "#, ) .file( "bar/src/lib.rs", r#"#[cfg(feature = "bar")] pub fn bar() {}"#, ) .build(); p.cargo("doc --features foo") .with_stderr( "\ [COMPILING] bar v0.0.1 [..] [DOCUMENTING] bar v0.0.1 [..] [DOCUMENTING] foo v0.0.1 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc").is_dir()); assert!(p.root().join("target/doc/foo/fn.foo.html").is_file()); assert!(p.root().join("target/doc/bar/fn.bar.html").is_file()); // Check that turning the feature off will remove the files. p.cargo("doc") .with_stderr( "\ [COMPILING] bar v0.0.1 [..] [DOCUMENTING] bar v0.0.1 [..] [DOCUMENTING] foo v0.0.1 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(!p.root().join("target/doc/foo/fn.foo.html").is_file()); assert!(!p.root().join("target/doc/bar/fn.bar.html").is_file()); // And switching back will rebuild and bring them back. p.cargo("doc --features foo") .with_stderr( "\ [DOCUMENTING] bar v0.0.1 [..] [DOCUMENTING] foo v0.0.1 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc/foo/fn.foo.html").is_file()); assert!(p.root().join("target/doc/bar/fn.bar.html").is_file()); } #[cargo_test] fn rerun_when_dir_removed() { let p = project() .file( "src/lib.rs", r#" /// dox pub fn foo() {} "#, ) .build(); p.cargo("doc").run(); assert!(p.root().join("target/doc/foo/index.html").is_file()); fs::remove_dir_all(p.root().join("target/doc/foo")).unwrap(); p.cargo("doc").run(); assert!(p.root().join("target/doc/foo/index.html").is_file()); } #[cargo_test] fn document_only_lib() { let p = project() .file( "src/lib.rs", r#" /// dox pub fn foo() {} "#, ) .file( "src/bin/bar.rs", r#" /// ``` /// ☃ /// ``` pub fn foo() {} fn main() { foo(); } "#, ) .build(); p.cargo("doc --lib").run(); assert!(p.root().join("target/doc/foo/index.html").is_file()); } #[cargo_test] fn plugins_no_use_target() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [lib] proc-macro = true "#, ) .file("src/lib.rs", "") .build(); p.cargo("doc --target=x86_64-unknown-openbsd -v").run(); } #[cargo_test] fn doc_all_workspace() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } [workspace] "#, ) .file("src/main.rs", "fn main() {}") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); // The order in which bar is compiled or documented is not deterministic p.cargo("doc --workspace") .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])") .with_stderr_contains("[..] Checking bar v0.1.0 ([..])") .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])") .run(); } #[cargo_test] fn doc_all_virtual_manifest() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); // The order in which bar and baz are documented is not guaranteed p.cargo("doc --workspace") .with_stderr_contains("[..] Documenting baz v0.1.0 ([..])") .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])") .run(); } #[cargo_test] fn doc_virtual_manifest_all_implied() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); // The order in which bar and baz are documented is not guaranteed p.cargo("doc") .with_stderr_contains("[..] Documenting baz v0.1.0 ([..])") .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])") .run(); } #[cargo_test] fn doc_virtual_manifest_one_project() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() {}") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() { break_the_build(); }") .build(); p.cargo("doc -p bar") .with_stderr_does_not_contain("[DOCUMENTING] baz v0.1.0 [..]") .with_stderr( "\ [DOCUMENTING] bar v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/bar/index.html ", ) .run(); } #[cargo_test] fn doc_virtual_manifest_glob() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar", "baz"] "#, ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "pub fn bar() { break_the_build(); }") .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0")) .file("baz/src/lib.rs", "pub fn baz() {}") .build(); p.cargo("doc -p '*z'") .with_stderr_does_not_contain("[DOCUMENTING] bar v0.1.0 [..]") .with_stderr( "\ [DOCUMENTING] baz v0.1.0 ([..]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/baz/index.html ", ) .run(); } #[cargo_test] fn doc_all_member_dependency_same_name() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["bar"] "#, ) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [dependencies] bar = "0.1.0" "#, ) .file("bar/src/lib.rs", "pub fn bar() {}") .build(); Package::new("bar", "0.1.0").publish(); p.cargo("doc --workspace") .with_stderr_unordered( "\ [UPDATING] [..] [DOWNLOADING] crates ... [DOWNLOADED] bar v0.1.0 (registry `dummy-registry`) warning: output filename collision. The lib target `bar` in package `bar v0.1.0` has the same output filename as \ the lib target `bar` in package `bar v0.1.0 ([ROOT]/foo/bar)`. Colliding filename is: [ROOT]/foo/target/doc/bar/index.html The targets should have unique names. This is a known bug where multiple crates with the same name use the same path; see . [DOCUMENTING] bar v0.1.0 [CHECKING] bar v0.1.0 [DOCUMENTING] bar v0.1.0 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/bar/index.html ", ) .run(); } #[cargo_test] fn doc_workspace_open_help_message() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo", "bar"] "#, ) .file("foo/Cargo.toml", &basic_manifest("foo", "0.1.0")) .file("foo/src/lib.rs", "") .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0")) .file("bar/src/lib.rs", "") .build(); // The order in which bar is compiled or documented is not deterministic p.cargo("doc --workspace --open") .env("BROWSER", tools::echo()) .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])") .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])") .with_stderr_contains("[..] Opening [..]/bar/index.html") .run(); } #[cargo_test(nightly, reason = "-Zextern-html-root-url is unstable")] fn doc_extern_map_local() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" "#, ) .file("src/lib.rs", "") .file(".cargo/config.toml", "doc.extern-map.std = 'local'") .build(); p.cargo("doc -v --no-deps -Zrustdoc-map --open") .env("BROWSER", tools::echo()) .masquerade_as_nightly_cargo(&["rustdoc-map"]) .with_stderr( "\ [DOCUMENTING] foo v0.1.0 [..] [RUNNING] `rustdoc --crate-type lib --crate-name foo src/lib.rs [..]--crate-version 0.1.0` [FINISHED] [..] Opening [CWD]/target/doc/foo/index.html ", ) .run(); } #[cargo_test] fn open_no_doc_crate() { let p = project() .file( "Cargo.toml", r#" [package] name = "a" version = "0.0.1" authors = [] [lib] doc = false "#, ) .file("src/lib.rs", "#[cfg(feature)] pub fn f();") .build(); p.cargo("doc --open") .env("BROWSER", "do_not_run_me") .with_status(101) .with_stderr_contains("error: no crates with documentation") .run(); } #[cargo_test] fn doc_workspace_open_different_library_and_package_names() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [lib] name = "foolib" "#, ) .file("foo/src/lib.rs", "") .build(); p.cargo("doc --open") .env("BROWSER", tools::echo()) .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])") .with_stderr_contains("[..] [CWD]/target/doc/foolib/index.html") .with_stdout_contains("[CWD]/target/doc/foolib/index.html") .run(); p.change_file( ".cargo/config.toml", &format!( r#" [doc] browser = ["{}", "a"] "#, tools::echo().display().to_string().replace('\\', "\\\\") ), ); // check that the cargo config overrides the browser env var p.cargo("doc --open") .env("BROWSER", "do_not_run_me") .with_stdout_contains("a [CWD]/target/doc/foolib/index.html") .run(); } #[cargo_test] fn doc_workspace_open_binary() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [[bin]] name = "foobin" path = "src/main.rs" "#, ) .file("foo/src/main.rs", "") .build(); p.cargo("doc --open") .env("BROWSER", tools::echo()) .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])") .with_stderr_contains("[..] Opening [CWD]/target/doc/foobin/index.html") .run(); } #[cargo_test] fn doc_workspace_open_binary_and_library() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["foo"] "#, ) .file( "foo/Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [lib] name = "foolib" [[bin]] name = "foobin" path = "src/main.rs" "#, ) .file("foo/src/lib.rs", "") .file("foo/src/main.rs", "") .build(); p.cargo("doc --open") .env("BROWSER", tools::echo()) .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])") .with_stderr_contains("[..] Opening [CWD]/target/doc/foolib/index.html") .run(); } #[cargo_test] fn doc_edition() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] edition = "2018" "#, ) .file("src/lib.rs", "") .build(); p.cargo("doc -v") .with_stderr_contains("[RUNNING] `rustdoc [..]--edition=2018[..]") .run(); p.cargo("test -v") .with_stderr_contains("[RUNNING] `rustdoc [..]--edition=2018[..]") .run(); } #[cargo_test] fn doc_target_edition() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [lib] edition = "2018" "#, ) .file("src/lib.rs", "") .build(); p.cargo("doc -v") .with_stderr_contains("[RUNNING] `rustdoc [..]--edition=2018[..]") .run(); p.cargo("test -v") .with_stderr_contains("[RUNNING] `rustdoc [..]--edition=2018[..]") .run(); } // Tests an issue where depending on different versions of the same crate depending on `cfg`s // caused `cargo doc` to fail. #[cargo_test] fn issue_5345() { let foo = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [target.'cfg(all(windows, target_arch = "x86"))'.dependencies] bar = "0.1" [target.'cfg(not(all(windows, target_arch = "x86")))'.dependencies] bar = "0.2" "#, ) .file("src/lib.rs", "extern crate bar;") .build(); Package::new("bar", "0.1.0").publish(); Package::new("bar", "0.2.0").publish(); foo.cargo("check").run(); foo.cargo("doc").run(); } #[cargo_test] fn doc_private_items() { let foo = project() .file("src/lib.rs", "mod private { fn private_item() {} }") .build(); foo.cargo("doc --document-private-items").run(); assert!(foo.root().join("target/doc").is_dir()); assert!(foo .root() .join("target/doc/foo/private/index.html") .is_file()); } #[cargo_test] fn doc_private_ws() { let p = project() .file( "Cargo.toml", r#" [workspace] members = ["a", "b"] "#, ) .file("a/Cargo.toml", &basic_manifest("a", "0.0.1")) .file("a/src/lib.rs", "fn p() {}") .file("b/Cargo.toml", &basic_manifest("b", "0.0.1")) .file("b/src/lib.rs", "fn p2() {}") .file("b/src/bin/b-cli.rs", "fn main() {}") .build(); p.cargo("doc --workspace --bins --lib --document-private-items -v") .with_stderr_contains( "[RUNNING] `rustdoc [..] a/src/lib.rs [..]--document-private-items[..]", ) .with_stderr_contains( "[RUNNING] `rustdoc [..] b/src/lib.rs [..]--document-private-items[..]", ) .with_stderr_contains( "[RUNNING] `rustdoc [..] b/src/bin/b-cli.rs [..]--document-private-items[..]", ) .run(); } const BAD_INTRA_LINK_LIB: &str = r#" #![deny(broken_intra_doc_links)] /// [bad_link] pub fn foo() {} "#; #[cargo_test] fn doc_cap_lints() { let a = git::new("a", |p| { p.file("Cargo.toml", &basic_lib_manifest("a")) .file("src/lib.rs", BAD_INTRA_LINK_LIB) }); let p = project() .file( "Cargo.toml", &format!( r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies] a = {{ git = '{}' }} "#, a.url() ), ) .file("src/lib.rs", "") .build(); p.cargo("doc") .with_stderr_unordered( "\ [UPDATING] git repository `[..]` [DOCUMENTING] a v0.5.0 ([..]) [CHECKING] a v0.5.0 ([..]) [DOCUMENTING] foo v0.0.1 ([..]) [FINISHED] dev [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); p.root().join("target").rm_rf(); p.cargo("doc -vv") .with_stderr_contains("[WARNING] [..]`bad_link`[..]") .run(); } #[cargo_test] fn doc_message_format() { let p = project().file("src/lib.rs", BAD_INTRA_LINK_LIB).build(); p.cargo("doc --message-format=json") .with_status(101) .with_json_contains_unordered( r#" { "message": { "$message_type": "diagnostic", "children": "{...}", "code": "{...}", "level": "error", "message": "{...}", "rendered": "{...}", "spans": "{...}" }, "package_id": "foo [..]", "manifest_path": "[..]", "reason": "compiler-message", "target": "{...}" } "#, ) .run(); } #[cargo_test] fn doc_json_artifacts() { // Checks the output of json artifact messages. let p = project() .file("src/lib.rs", "") .file("src/bin/somebin.rs", "fn main() {}") .build(); p.cargo("doc --message-format=json") .with_json_contains_unordered( r#" { "reason": "compiler-artifact", "package_id": "foo 0.0.1 [..]", "manifest_path": "[ROOT]/foo/Cargo.toml", "target": { "kind": ["lib"], "crate_types": ["lib"], "name": "foo", "src_path": "[ROOT]/foo/src/lib.rs", "edition": "2015", "doc": true, "doctest": true, "test": true }, "profile": "{...}", "features": [], "filenames": ["[ROOT]/foo/target/debug/deps/libfoo-[..].rmeta"], "executable": null, "fresh": false } { "reason": "compiler-artifact", "package_id": "foo 0.0.1 [..]", "manifest_path": "[ROOT]/foo/Cargo.toml", "target": { "kind": ["lib"], "crate_types": ["lib"], "name": "foo", "src_path": "[ROOT]/foo/src/lib.rs", "edition": "2015", "doc": true, "doctest": true, "test": true }, "profile": "{...}", "features": [], "filenames": ["[ROOT]/foo/target/doc/foo/index.html"], "executable": null, "fresh": false } { "reason": "compiler-artifact", "package_id": "foo 0.0.1 [..]", "manifest_path": "[ROOT]/foo/Cargo.toml", "target": { "kind": ["bin"], "crate_types": ["bin"], "name": "somebin", "src_path": "[ROOT]/foo/src/bin/somebin.rs", "edition": "2015", "doc": true, "doctest": false, "test": true }, "profile": "{...}", "features": [], "filenames": ["[ROOT]/foo/target/doc/somebin/index.html"], "executable": null, "fresh": false } {"reason":"build-finished","success":true} "#, ) .run(); } #[cargo_test] fn short_message_format() { let p = project().file("src/lib.rs", BAD_INTRA_LINK_LIB).build(); p.cargo("doc --message-format=short") .with_status(101) .with_stderr_contains("src/lib.rs:4:6: error: [..]`bad_link`[..]") .run(); } #[cargo_test] fn doc_example() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [[example]] crate-type = ["lib"] name = "ex1" doc = true "#, ) .file("src/lib.rs", "pub fn f() {}") .file( "examples/ex1.rs", r#" use foo::f; /// Example pub fn x() { f(); } "#, ) .build(); p.cargo("doc").run(); assert!(p .build_dir() .join("doc") .join("ex1") .join("fn.x.html") .exists()); } #[cargo_test] fn doc_example_with_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [[example]] crate-type = ["lib"] name = "ex" doc = true [dev-dependencies] a = {path = "a"} b = {path = "b"} "#, ) .file("src/lib.rs", "") .file( "examples/ex.rs", r#" use a::fun; /// Example pub fn x() { fun(); } "#, ) .file( "a/Cargo.toml", r#" [package] name = "a" version = "0.0.1" [dependencies] b = {path = "../b"} "#, ) .file("a/src/fun.rs", "pub fn fun() {}") .file("a/src/lib.rs", "pub mod fun;") .file( "b/Cargo.toml", r#" [package] name = "b" version = "0.0.1" "#, ) .file("b/src/lib.rs", "") .build(); p.cargo("doc --examples").run(); assert!(p .build_dir() .join("doc") .join("ex") .join("fn.x.html") .exists()); } #[cargo_test] fn bin_private_items() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] "#, ) .file( "src/main.rs", " pub fn foo_pub() {} fn foo_priv() {} struct FooStruct; enum FooEnum {} trait FooTrait {} type FooType = u32; mod foo_mod {} ", ) .build(); p.cargo("doc") .with_stderr( "\ [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc/foo/index.html").is_file()); assert!(p.root().join("target/doc/foo/fn.foo_pub.html").is_file()); assert!(p.root().join("target/doc/foo/fn.foo_priv.html").is_file()); assert!(p .root() .join("target/doc/foo/struct.FooStruct.html") .is_file()); assert!(p.root().join("target/doc/foo/enum.FooEnum.html").is_file()); assert!(p .root() .join("target/doc/foo/trait.FooTrait.html") .is_file()); assert!(p.root().join("target/doc/foo/type.FooType.html").is_file()); assert!(p.root().join("target/doc/foo/foo_mod/index.html").is_file()); } #[cargo_test] fn bin_private_items_deps() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies.bar] path = "bar" "#, ) .file( "src/main.rs", " fn foo_priv() {} pub fn foo_pub() {} ", ) .file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1")) .file( "bar/src/lib.rs", " #[allow(dead_code)] fn bar_priv() {} pub fn bar_pub() {} ", ) .build(); p.cargo("doc") .with_stderr_unordered( "\ [DOCUMENTING] bar v0.0.1 ([..]) [CHECKING] bar v0.0.1 ([..]) [DOCUMENTING] foo v0.0.1 ([CWD]) [FINISHED] dev [unoptimized + debuginfo] target(s) in [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.root().join("target/doc/foo/index.html").is_file()); assert!(p.root().join("target/doc/foo/fn.foo_pub.html").is_file()); assert!(p.root().join("target/doc/foo/fn.foo_priv.html").is_file()); assert!(p.root().join("target/doc/bar/index.html").is_file()); assert!(p.root().join("target/doc/bar/fn.bar_pub.html").is_file()); assert!(!p.root().join("target/doc/bar/fn.bar_priv.html").exists()); } #[cargo_test] fn crate_versions() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.2.4" authors = [] "#, ) .file("src/lib.rs", "") .build(); p.cargo("doc -v") .with_stderr( "\ [DOCUMENTING] foo v1.2.4 [..] [RUNNING] `rustdoc --crate-type lib --crate-name foo src/lib.rs [..]--crate-version 1.2.4` [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); let output_path = p.root().join("target/doc/foo/index.html"); let output_documentation = fs::read_to_string(&output_path).unwrap(); assert!(output_documentation.contains("1.2.4")); } #[cargo_test] fn crate_versions_flag_is_overridden() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.2.4" authors = [] "#, ) .file("src/lib.rs", "") .build(); let output_documentation = || { let output_path = p.root().join("target/doc/foo/index.html"); fs::read_to_string(&output_path).unwrap() }; let asserts = |html: String| { assert!(!html.contains("1.2.4")); assert!(html.contains("2.0.3")); }; p.cargo("doc") .env("RUSTDOCFLAGS", "--crate-version 2.0.3") .run(); asserts(output_documentation()); p.build_dir().rm_rf(); p.cargo("rustdoc -- --crate-version 2.0.3").run(); asserts(output_documentation()); } #[cargo_test] fn doc_test_in_workspace() { let p = project() .file( "Cargo.toml", r#" [workspace] members = [ "crate-a", "crate-b", ] "#, ) .file( "crate-a/Cargo.toml", r#" [package] name = "crate-a" version = "0.1.0" "#, ) .file( "crate-a/src/lib.rs", "\ //! ``` //! assert_eq!(1, 1); //! ``` ", ) .file( "crate-b/Cargo.toml", r#" [package] name = "crate-b" version = "0.1.0" "#, ) .file( "crate-b/src/lib.rs", "\ //! ``` //! assert_eq!(1, 1); //! ``` ", ) .build(); p.cargo("test --doc -vv") .with_stderr_contains("[DOCTEST] crate-a") .with_stdout_contains( " running 1 test test crate-a/src/lib.rs - (line 1) ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out[..] ", ) .with_stderr_contains("[DOCTEST] crate-b") .with_stdout_contains( " running 1 test test crate-b/src/lib.rs - (line 1) ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out[..] ", ) .run(); } /// This is a test for . /// The `file!()` macro inside of an `include!()` should output /// workspace-relative paths, just like it does in other cases. #[cargo_test] fn doc_test_include_file() { let p = project() .file( "Cargo.toml", r#" [workspace] members = [ "child", ] [package] name = "root" version = "0.1.0" "#, ) .file( "src/lib.rs", r#" /// ``` /// assert_eq!("src/lib.rs", file!().replace("\\", "/")) /// ``` pub mod included { include!(concat!("../", file!(), ".included.rs")); } "#, ) .file( "src/lib.rs.included.rs", r#" /// ``` /// assert_eq!(1, 1) /// ``` pub fn foo() {} "#, ) .file( "child/Cargo.toml", r#" [package] name = "child" version = "0.1.0" "#, ) .file( "child/src/lib.rs", r#" /// ``` /// assert_eq!("child/src/lib.rs", file!().replace("\\", "/")) /// ``` pub mod included { include!(concat!("../../", file!(), ".included.rs")); } "#, ) .file( "child/src/lib.rs.included.rs", r#" /// ``` /// assert_eq!(1, 1) /// ``` pub fn foo() {} "#, ) .build(); p.cargo("test --workspace --doc -vv -- --test-threads=1") .with_stderr_contains("[DOCTEST] child") .with_stdout_contains( " running 2 tests test child/src/../../child/src/lib.rs.included.rs - included::foo (line 2) ... ok test child/src/lib.rs - included (line 2) ... ok test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out[..] ", ) .with_stderr_contains("[DOCTEST] root") .with_stdout_contains( " running 2 tests test src/../src/lib.rs.included.rs - included::foo (line 2) ... ok test src/lib.rs - included (line 2) ... ok test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out[..] ", ) .run(); } #[cargo_test] fn doc_fingerprint_is_versioning_consistent() { // Random rustc verbose version let old_rustc_verbose_version = format!( "\ rustc 1.41.1 (f3e1a954d 2020-02-24) binary: rustc commit-hash: f3e1a954d2ead4e2fc197c7da7d71e6c61bad196 commit-date: 2020-02-24 host: {} release: 1.41.1 LLVM version: 9.0 ", rustc_host() ); // Create the dummy project. let dummy_project = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.2.4" authors = [] "#, ) .file("src/lib.rs", "//! These are the docs!") .build(); dummy_project.cargo("doc").run(); let fingerprint: RustDocFingerprint = serde_json::from_str(&dummy_project.read_file("target/.rustdoc_fingerprint.json")) .expect("JSON Serde fail"); // Check that the fingerprint contains the actual rustc version // which has been used to compile the docs. let output = std::process::Command::new("rustc") .arg("-vV") .output() .expect("Failed to get actual rustc verbose version"); assert_eq!( fingerprint.rustc_vv, (String::from_utf8_lossy(&output.stdout).as_ref()) ); // As the test shows above. Now we have generated the `doc/` folder and inside // the rustdoc fingerprint file is located with the correct rustc version. // So we will remove it and create a new fingerprint with an old rustc version // inside it. We will also place a bogus file inside of the `doc/` folder to ensure // it gets removed as we expect on the next doc compilation. dummy_project.change_file( "target/.rustdoc_fingerprint.json", &old_rustc_verbose_version, ); fs::write( dummy_project.build_dir().join("doc/bogus_file"), String::from("This is a bogus file and should be removed!"), ) .expect("Error writing test bogus file"); // Now if we trigger another compilation, since the fingerprint contains an old version // of rustc, cargo should remove the entire `/doc` folder (including the fingerprint) // and generating another one with the actual version. // It should also remove the bogus file we created above. dummy_project.cargo("doc").run(); assert!(!dummy_project.build_dir().join("doc/bogus_file").exists()); let fingerprint: RustDocFingerprint = serde_json::from_str(&dummy_project.read_file("target/.rustdoc_fingerprint.json")) .expect("JSON Serde fail"); // Check that the fingerprint contains the actual rustc version // which has been used to compile the docs. assert_eq!( fingerprint.rustc_vv, (String::from_utf8_lossy(&output.stdout).as_ref()) ); } #[cargo_test] fn doc_fingerprint_respects_target_paths() { // Random rustc verbose version let old_rustc_verbose_version = format!( "\ rustc 1.41.1 (f3e1a954d 2020-02-24) binary: rustc commit-hash: f3e1a954d2ead4e2fc197c7da7d71e6c61bad196 commit-date: 2020-02-24 host: {} release: 1.41.1 LLVM version: 9.0 ", rustc_host() ); // Create the dummy project. let dummy_project = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "1.2.4" authors = [] "#, ) .file("src/lib.rs", "//! These are the docs!") .build(); dummy_project.cargo("doc --target").arg(rustc_host()).run(); let fingerprint: RustDocFingerprint = serde_json::from_str(&dummy_project.read_file("target/.rustdoc_fingerprint.json")) .expect("JSON Serde fail"); // Check that the fingerprint contains the actual rustc version // which has been used to compile the docs. let output = std::process::Command::new("rustc") .arg("-vV") .output() .expect("Failed to get actual rustc verbose version"); assert_eq!( fingerprint.rustc_vv, (String::from_utf8_lossy(&output.stdout).as_ref()) ); // As the test shows above. Now we have generated the `doc/` folder and inside // the rustdoc fingerprint file is located with the correct rustc version. // So we will remove it and create a new fingerprint with an old rustc version // inside it. We will also place a bogus file inside of the `doc/` folder to ensure // it gets removed as we expect on the next doc compilation. dummy_project.change_file( "target/.rustdoc_fingerprint.json", &old_rustc_verbose_version, ); fs::write( dummy_project .build_dir() .join(rustc_host()) .join("doc/bogus_file"), String::from("This is a bogus file and should be removed!"), ) .expect("Error writing test bogus file"); // Now if we trigger another compilation, since the fingerprint contains an old version // of rustc, cargo should remove the entire `/doc` folder (including the fingerprint) // and generating another one with the actual version. // It should also remove the bogus file we created above. dummy_project.cargo("doc --target").arg(rustc_host()).run(); assert!(!dummy_project .build_dir() .join(rustc_host()) .join("doc/bogus_file") .exists()); let fingerprint: RustDocFingerprint = serde_json::from_str(&dummy_project.read_file("target/.rustdoc_fingerprint.json")) .expect("JSON Serde fail"); // Check that the fingerprint contains the actual rustc version // which has been used to compile the docs. assert_eq!( fingerprint.rustc_vv, (String::from_utf8_lossy(&output.stdout).as_ref()) ); } #[cargo_test] fn doc_fingerprint_unusual_behavior() { // Checks for some unusual circumstances with clearing the doc directory. if !symlink_supported() { return; } let p = project().file("src/lib.rs", "").build(); p.build_dir().mkdir_p(); let real_doc = p.root().join("doc"); real_doc.mkdir_p(); let build_doc = p.build_dir().join("doc"); p.symlink(&real_doc, &build_doc); fs::write(real_doc.join("somefile"), "test").unwrap(); fs::write(real_doc.join(".hidden"), "test").unwrap(); p.cargo("doc").run(); // Make sure for the first run, it does not delete any files and does not // break the symlink. assert!(build_doc.join("somefile").exists()); assert!(real_doc.join("somefile").exists()); assert!(real_doc.join(".hidden").exists()); assert!(real_doc.join("foo/index.html").exists()); // Pretend that the last build was generated by an older version. p.change_file( "target/.rustdoc_fingerprint.json", "{\"rustc_vv\": \"I am old\"}", ); // Change file to trigger a new build. p.change_file("src/lib.rs", "// changed"); p.cargo("doc") .with_stderr( "[DOCUMENTING] foo [..]\n\ [FINISHED] [..]\n\ [GENERATED] [CWD]/target/doc/foo/index.html", ) .run(); // This will delete somefile, but not .hidden. assert!(!real_doc.join("somefile").exists()); assert!(real_doc.join(".hidden").exists()); assert!(real_doc.join("foo/index.html").exists()); // And also check the -Z flag behavior. p.change_file( "target/.rustdoc_fingerprint.json", "{\"rustc_vv\": \"I am old\"}", ); // Change file to trigger a new build. p.change_file("src/lib.rs", "// changed2"); fs::write(real_doc.join("somefile"), "test").unwrap(); p.cargo("doc -Z skip-rustdoc-fingerprint") .masquerade_as_nightly_cargo(&["skip-rustdoc-fingerprint"]) .with_stderr( "[DOCUMENTING] foo [..]\n\ [FINISHED] [..]\n\ [GENERATED] [CWD]/target/doc/foo/index.html", ) .run(); // Should not have deleted anything. assert!(build_doc.join("somefile").exists()); assert!(real_doc.join("somefile").exists()); } #[cargo_test] fn lib_before_bin() { // Checks that the library is documented before the binary. // Previously they were built concurrently, which can cause issues // if the bin has intra-doc links to the lib. let p = project() .file( "src/lib.rs", r#" /// Hi pub fn abc() {} "#, ) .file( "src/bin/somebin.rs", r#" //! See [`foo::abc`] fn main() {} "#, ) .build(); // Run check first. This just helps ensure that the test clearly shows the // order of the rustdoc commands. p.cargo("check").run(); // The order of output here should be deterministic. p.cargo("doc -v") .with_stderr( "\ [DOCUMENTING] foo [..] [RUNNING] `rustdoc --crate-type lib --crate-name foo src/lib.rs [..] [RUNNING] `rustdoc --crate-type bin --crate-name somebin src/bin/somebin.rs [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html [GENERATED] [CWD]/target/doc/somebin/index.html ", ) .run(); // And the link should exist. let bin_html = p.read_file("target/doc/somebin/index.html"); assert!(bin_html.contains("../foo/fn.abc.html")); } #[cargo_test] fn doc_lib_false() { // doc = false for a library let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [lib] doc = false [dependencies] bar = {path = "bar"} "#, ) .file("src/lib.rs", "extern crate bar;") .file("src/bin/some-bin.rs", "fn main() {}") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [lib] doc = false "#, ) .file("bar/src/lib.rs", "") .build(); p.cargo("doc") .with_stderr( "\ [CHECKING] bar v0.1.0 [..] [CHECKING] foo v0.1.0 [..] [DOCUMENTING] foo v0.1.0 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/some_bin/index.html ", ) .run(); assert!(!p.build_dir().join("doc/foo").exists()); assert!(!p.build_dir().join("doc/bar").exists()); assert!(p.build_dir().join("doc/some_bin").exists()); } #[cargo_test] fn doc_lib_false_dep() { // doc = false for a dependency // Ensures that the rmeta gets produced let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" [dependencies] bar = { path = "bar" } "#, ) .file("src/lib.rs", "extern crate bar;") .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.1.0" [lib] doc = false "#, ) .file("bar/src/lib.rs", "") .build(); p.cargo("doc") .with_stderr( "\ [CHECKING] bar v0.1.0 [..] [DOCUMENTING] foo v0.1.0 [..] [FINISHED] [..] [GENERATED] [CWD]/target/doc/foo/index.html ", ) .run(); assert!(p.build_dir().join("doc/foo").exists()); assert!(!p.build_dir().join("doc/bar").exists()); } #[cargo_test] fn link_to_private_item() { let main = r#" //! [bar] #[allow(dead_code)] fn bar() {} "#; let p = project().file("src/lib.rs", main).build(); p.cargo("doc") .with_stderr_contains("[..] documentation for `foo` links to private item `bar`") .run(); // Check that binaries don't emit a private_intra_doc_links warning. fs::rename(p.root().join("src/lib.rs"), p.root().join("src/main.rs")).unwrap(); p.cargo("doc") .with_stderr( "[DOCUMENTING] foo [..]\n\ [FINISHED] [..]\n\ [GENERATED] [CWD]/target/doc/foo/index.html", ) .run(); }