//! Tests for targets with `required-features`. use cargo_test_support::install::{ assert_has_installed_exe, assert_has_not_installed_exe, cargo_home, }; use cargo_test_support::is_nightly; use cargo_test_support::paths::CargoPathExt; use cargo_test_support::project; #[cargo_test] fn build_bin_default_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] [[bin]] name = "foo" required-features = ["a"] "#, ) .file( "src/main.rs", r#" extern crate foo; #[cfg(feature = "a")] fn test() { foo::foo(); } fn main() {} "#, ) .file("src/lib.rs", r#"#[cfg(feature = "a")] pub fn foo() {}"#) .build(); p.cargo("build").run(); assert!(p.bin("foo").is_file()); p.cargo("build --no-default-features").run(); p.cargo("build --bin=foo").run(); assert!(p.bin("foo").is_file()); p.cargo("build --bin=foo --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); } #[cargo_test] fn build_bin_arg_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[bin]] name = "foo" required-features = ["a"] "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("build --features a").run(); assert!(p.bin("foo").is_file()); } #[cargo_test] fn build_bin_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a", "b"] a = [] b = ["a"] c = [] [[bin]] name = "foo_1" path = "src/foo_1.rs" required-features = ["b", "c"] [[bin]] name = "foo_2" path = "src/foo_2.rs" required-features = ["a"] "#, ) .file("src/foo_1.rs", "fn main() {}") .file("src/foo_2.rs", "fn main() {}") .build(); p.cargo("build").run(); assert!(!p.bin("foo_1").is_file()); assert!(p.bin("foo_2").is_file()); p.cargo("build --features c").run(); assert!(p.bin("foo_1").is_file()); assert!(p.bin("foo_2").is_file()); p.cargo("build --no-default-features").run(); } #[cargo_test] fn build_example_default_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] [[example]] name = "foo" required-features = ["a"] "#, ) .file("examples/foo.rs", "fn main() {}") .build(); p.cargo("build --example=foo").run(); assert!(p.bin("examples/foo").is_file()); p.cargo("build --example=foo --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); } #[cargo_test] fn build_example_arg_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[example]] name = "foo" required-features = ["a"] "#, ) .file("examples/foo.rs", "fn main() {}") .build(); p.cargo("build --example=foo --features a").run(); assert!(p.bin("examples/foo").is_file()); } #[cargo_test] fn build_example_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a", "b"] a = [] b = ["a"] c = [] [[example]] name = "foo_1" required-features = ["b", "c"] [[example]] name = "foo_2" required-features = ["a"] "#, ) .file("examples/foo_1.rs", "fn main() {}") .file("examples/foo_2.rs", "fn main() {}") .build(); p.cargo("build --example=foo_1") .with_status(101) .with_stderr( "\ error: target `foo_1` in package `foo` requires the features: `b`, `c` Consider enabling them by passing, e.g., `--features=\"b c\"` ", ) .run(); p.cargo("build --example=foo_2").run(); assert!(!p.bin("examples/foo_1").is_file()); assert!(p.bin("examples/foo_2").is_file()); p.cargo("build --example=foo_1 --features c").run(); p.cargo("build --example=foo_2 --features c").run(); assert!(p.bin("examples/foo_1").is_file()); assert!(p.bin("examples/foo_2").is_file()); p.cargo("build --example=foo_1 --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo_1` in package `foo` requires the features: `b`, `c` Consider enabling them by passing, e.g., `--features=\"b c\"` ", ) .run(); p.cargo("build --example=foo_2 --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo_2` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); } #[cargo_test] fn test_default_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] [[test]] name = "foo" required-features = ["a"] "#, ) .file("tests/foo.rs", "#[test]\nfn test() {}") .build(); p.cargo("test") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("test test ... ok") .run(); p.cargo("test --no-default-features") .with_stderr("[FINISHED] test [unoptimized + debuginfo] target(s) in [..]") .with_stdout("") .run(); p.cargo("test --test=foo") .with_stderr( "\ [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("test test ... ok") .run(); p.cargo("test --test=foo --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); } #[cargo_test] fn test_arg_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[test]] name = "foo" required-features = ["a"] "#, ) .file("tests/foo.rs", "#[test]\nfn test() {}") .build(); p.cargo("test --features a") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("test test ... ok") .run(); } #[cargo_test] fn test_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a", "b"] a = [] b = ["a"] c = [] [[test]] name = "foo_1" required-features = ["b", "c"] [[test]] name = "foo_2" required-features = ["a"] "#, ) .file("tests/foo_1.rs", "#[test]\nfn test() {}") .file("tests/foo_2.rs", "#[test]\nfn test() {}") .build(); p.cargo("test") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo_2-[..][EXE])", ) .with_stdout_contains("test test ... ok") .run(); p.cargo("test --features c") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo_1-[..][EXE]) [RUNNING] [..] (target/debug/deps/foo_2-[..][EXE])", ) .with_stdout_contains_n("test test ... ok", 2) .run(); p.cargo("test --no-default-features") .with_stderr("[FINISHED] test [unoptimized + debuginfo] target(s) in [..]") .with_stdout("") .run(); } #[cargo_test(nightly, reason = "bench")] fn bench_default_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] [[bench]] name = "foo" required-features = ["a"] "#, ) .file( "benches/foo.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .build(); p.cargo("bench") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); p.cargo("bench --no-default-features") .with_stderr("[FINISHED] bench [optimized] target(s) in [..]".to_string()) .with_stdout("") .run(); p.cargo("bench --bench=foo") .with_stderr( "\ [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); p.cargo("bench --bench=foo --no-default-features") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); } #[cargo_test(nightly, reason = "bench")] fn bench_arg_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[bench]] name = "foo" required-features = ["a"] "#, ) .file( "benches/foo.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .build(); p.cargo("bench --features a") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); } #[cargo_test(nightly, reason = "bench")] fn bench_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a", "b"] a = [] b = ["a"] c = [] [[bench]] name = "foo_1" required-features = ["b", "c"] [[bench]] name = "foo_2" required-features = ["a"] "#, ) .file( "benches/foo_1.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .file( "benches/foo_2.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .build(); p.cargo("bench") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo_2-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); p.cargo("bench --features c") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo_1-[..][EXE]) [RUNNING] [..] (target/release/deps/foo_2-[..][EXE])", ) .with_stdout_contains_n("test bench ... bench: [..]", 2) .run(); p.cargo("bench --no-default-features") .with_stderr("[FINISHED] bench [optimized] target(s) in [..]") .with_stdout("") .run(); } #[cargo_test] fn install_default_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] [[bin]] name = "foo" required-features = ["a"] [[example]] name = "foo" required-features = ["a"] "#, ) .file("src/main.rs", "fn main() {}") .file("examples/foo.rs", "fn main() {}") .build(); p.cargo("install --path .").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); p.cargo("install --path . --no-default-features") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo\" requires the features: `a` example \"foo\" requires the features: `a` Consider enabling some of the needed features by passing, e.g., `--features=\"a\"` ", ) .run(); assert_has_not_installed_exe(cargo_home(), "foo"); p.cargo("install --path . --bin=foo").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); p.cargo("install --path . --bin=foo --no-default-features") .with_status(101) .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [ERROR] failed to compile `foo v0.0.1 ([..])`, intermediate artifacts can be found at \ `[..]target`. To reuse those artifacts with a future compilation, set the environment \ variable `CARGO_TARGET_DIR` to that path. Caused by: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); assert_has_not_installed_exe(cargo_home(), "foo"); p.cargo("install --path . --example=foo").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); p.cargo("install --path . --example=foo --no-default-features") .with_status(101) .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [ERROR] failed to compile `foo v0.0.1 ([..])`, intermediate artifacts can be found at \ `[..]target`.\nTo reuse those artifacts with a future compilation, set the environment \ variable `CARGO_TARGET_DIR` to that path. Caused by: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); assert_has_not_installed_exe(cargo_home(), "foo"); } #[cargo_test] fn install_arg_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[bin]] name = "foo" required-features = ["a"] "#, ) .file("src/main.rs", "fn main() {}") .build(); p.cargo("install --features a").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); } #[cargo_test] fn install_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a", "b"] a = [] b = ["a"] c = [] [[bin]] name = "foo_1" path = "src/foo_1.rs" required-features = ["b", "c"] [[bin]] name = "foo_2" path = "src/foo_2.rs" required-features = ["a"] [[example]] name = "foo_3" path = "src/foo_3.rs" required-features = ["b", "c"] [[example]] name = "foo_4" path = "src/foo_4.rs" required-features = ["a"] "#, ) .file("src/foo_1.rs", "fn main() {}") .file("src/foo_2.rs", "fn main() {}") .file("src/foo_3.rs", "fn main() {}") .file("src/foo_4.rs", "fn main() {}") .build(); p.cargo("install --path .").run(); assert_has_not_installed_exe(cargo_home(), "foo_1"); assert_has_installed_exe(cargo_home(), "foo_2"); assert_has_not_installed_exe(cargo_home(), "foo_3"); assert_has_not_installed_exe(cargo_home(), "foo_4"); p.cargo("uninstall foo").run(); p.cargo("install --path . --bins --examples").run(); assert_has_not_installed_exe(cargo_home(), "foo_1"); assert_has_installed_exe(cargo_home(), "foo_2"); assert_has_not_installed_exe(cargo_home(), "foo_3"); assert_has_installed_exe(cargo_home(), "foo_4"); p.cargo("uninstall foo").run(); p.cargo("install --path . --features c").run(); assert_has_installed_exe(cargo_home(), "foo_1"); assert_has_installed_exe(cargo_home(), "foo_2"); assert_has_not_installed_exe(cargo_home(), "foo_3"); assert_has_not_installed_exe(cargo_home(), "foo_4"); p.cargo("uninstall foo").run(); p.cargo("install --path . --features c --bins --examples") .run(); assert_has_installed_exe(cargo_home(), "foo_1"); assert_has_installed_exe(cargo_home(), "foo_2"); assert_has_installed_exe(cargo_home(), "foo_3"); assert_has_installed_exe(cargo_home(), "foo_4"); p.cargo("uninstall foo").run(); p.cargo("install --path . --no-default-features") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo_1\" requires the features: `b`, `c` bin \"foo_2\" requires the features: `a` example \"foo_3\" requires the features: `b`, `c` example \"foo_4\" requires the features: `a` Consider enabling some of the needed features by passing, e.g., `--features=\"b c\"` ", ) .run(); p.cargo("install --path . --no-default-features --bins") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [WARNING] Target filter `bins` specified, but no targets matched. This is a no-op [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo_1\" requires the features: `b`, `c` bin \"foo_2\" requires the features: `a` example \"foo_3\" requires the features: `b`, `c` example \"foo_4\" requires the features: `a` Consider enabling some of the needed features by passing, e.g., `--features=\"b c\"` ", ) .run(); p.cargo("install --path . --no-default-features --examples") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [WARNING] Target filter `examples` specified, but no targets matched. This is a no-op [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo_1\" requires the features: `b`, `c` bin \"foo_2\" requires the features: `a` example \"foo_3\" requires the features: `b`, `c` example \"foo_4\" requires the features: `a` Consider enabling some of the needed features by passing, e.g., `--features=\"b c\"` ", ) .run(); p.cargo("install --path . --no-default-features --bins --examples") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [WARNING] Target filters `bins`, `examples` specified, but no targets matched. This is a no-op [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo_1\" requires the features: `b`, `c` bin \"foo_2\" requires the features: `a` example \"foo_3\" requires the features: `b`, `c` example \"foo_4\" requires the features: `a` Consider enabling some of the needed features by passing, e.g., `--features=\"b c\"` ", ) .run(); assert_has_not_installed_exe(cargo_home(), "foo_1"); assert_has_not_installed_exe(cargo_home(), "foo_2"); assert_has_not_installed_exe(cargo_home(), "foo_3"); assert_has_not_installed_exe(cargo_home(), "foo_4"); } #[cargo_test] fn dep_feature_in_toml() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies] bar = { path = "bar", features = ["a"] } [[bin]] name = "foo" required-features = ["bar/a"] [[example]] name = "foo" required-features = ["bar/a"] [[test]] name = "foo" required-features = ["bar/a"] [[bench]] name = "foo" required-features = ["bar/a"] "#, ) .file("src/main.rs", "fn main() {}") .file("examples/foo.rs", "fn main() {}") .file("tests/foo.rs", "#[test]\nfn test() {}") .file( "benches/foo.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.0.1" authors = [] [features] a = [] "#, ) .file("bar/src/lib.rs", "") .build(); p.cargo("build").run(); // bin p.cargo("build --bin=foo").run(); assert!(p.bin("foo").is_file()); // example p.cargo("build --example=foo").run(); assert!(p.bin("examples/foo").is_file()); // test p.cargo("test --test=foo") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("test test ... ok") .run(); // bench if is_nightly() { p.cargo("bench --bench=foo") .with_stderr( "\ [COMPILING] bar v0.0.1 ([CWD]/bar) [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); } // install p.cargo("install").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); } #[cargo_test] fn dep_feature_in_cmd_line() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [dependencies] bar = { path = "bar" } [[bin]] name = "foo" required-features = ["bar/a"] [[example]] name = "foo" required-features = ["bar/a"] [[test]] name = "foo" required-features = ["bar/a"] [[bench]] name = "foo" required-features = ["bar/a"] "#, ) .file("src/main.rs", "fn main() {}") .file("examples/foo.rs", "fn main() {}") .file( "tests/foo.rs", r#" #[test] fn bin_is_built() { let s = format!("target/debug/foo{}", std::env::consts::EXE_SUFFIX); let p = std::path::Path::new(&s); assert!(p.exists(), "foo does not exist"); } "#, ) .file( "benches/foo.rs", r#" #![feature(test)] extern crate test; #[bench] fn bench(_: &mut test::Bencher) { } "#, ) .file( "bar/Cargo.toml", r#" [package] name = "bar" version = "0.0.1" authors = [] [features] a = [] "#, ) .file("bar/src/lib.rs", "") .build(); // This is a no-op p.cargo("build").with_stderr("[FINISHED] dev [..]").run(); assert!(!p.bin("foo").is_file()); // bin p.cargo("build --bin=foo") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `bar/a` Consider enabling them by passing, e.g., `--features=\"bar/a\"` ", ) .run(); p.cargo("build --bin=foo --features bar/a").run(); assert!(p.bin("foo").is_file()); // example p.cargo("build --example=foo") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `bar/a` Consider enabling them by passing, e.g., `--features=\"bar/a\"` ", ) .run(); p.cargo("build --example=foo --features bar/a").run(); assert!(p.bin("examples/foo").is_file()); // test // This is a no-op, since no tests are enabled p.cargo("test") .with_stderr("[FINISHED] test [unoptimized + debuginfo] target(s) in [..]") .with_stdout("") .run(); // Delete the target directory so this can check if the main.rs gets built. p.build_dir().rm_rf(); p.cargo("test --test=foo --features bar/a") .with_stderr( "\ [COMPILING] bar v0.0.1 ([CWD]/bar) [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("test bin_is_built ... ok") .run(); // bench if is_nightly() { p.cargo("bench") .with_stderr("[FINISHED] bench [optimized] target(s) in [..]") .with_stdout("") .run(); p.cargo("bench --bench=foo --features bar/a") .with_stderr( "\ [COMPILING] bar v0.0.1 ([CWD]/bar) [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("test bench ... bench: [..]") .run(); } // install p.cargo("install --path .") .with_stderr( "\ [INSTALLING] foo v0.0.1 ([..]) [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo\" requires the features: `bar/a` example \"foo\" requires the features: `bar/a` Consider enabling some of the needed features by passing, e.g., `--features=\"bar/a\"` ", ) .run(); assert_has_not_installed_exe(cargo_home(), "foo"); p.cargo("install --features bar/a").run(); assert_has_installed_exe(cargo_home(), "foo"); p.cargo("uninstall foo").run(); } #[cargo_test] fn test_skips_compiling_bin_with_missing_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] a = [] [[bin]] name = "bin_foo" path = "src/bin/foo.rs" required-features = ["a"] "#, ) .file("src/bin/foo.rs", "extern crate bar; fn main() {}") .file("tests/foo.rs", "") .file("benches/foo.rs", "") .build(); p.cargo("test") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] test [unoptimized + debuginfo] target(s) in [..] [RUNNING] [..] (target/debug/deps/foo-[..][EXE])", ) .with_stdout_contains("running 0 tests") .run(); p.cargo("test --features a -j 1") .with_status(101) .with_stderr_contains( "\ [COMPILING] foo v0.0.1 ([CWD]) error[E0463]: can't find crate for `bar`", ) .run(); if is_nightly() { p.cargo("bench") .with_stderr( "\ [COMPILING] foo v0.0.1 ([CWD]) [FINISHED] bench [optimized] target(s) in [..] [RUNNING] [..] (target/release/deps/foo-[..][EXE])", ) .with_stdout_contains("running 0 tests") .run(); p.cargo("bench --features a -j 1") .with_status(101) .with_stderr_contains( "\ [COMPILING] foo v0.0.1 ([CWD]) error[E0463]: can't find crate for `bar`", ) .run(); } } #[cargo_test] fn run_default() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = [] a = [] [[bin]] name = "foo" required-features = ["a"] "#, ) .file("src/lib.rs", "") .file("src/main.rs", "extern crate foo; fn main() {}") .build(); p.cargo("run") .with_status(101) .with_stderr( "\ error: target `foo` in package `foo` requires the features: `a` Consider enabling them by passing, e.g., `--features=\"a\"` ", ) .run(); p.cargo("run --features a").run(); } #[cargo_test] fn run_default_multiple_required_features() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.0.1" authors = [] [features] default = ["a"] a = [] b = [] [[bin]] name = "foo1" path = "src/foo1.rs" required-features = ["a"] [[bin]] name = "foo3" path = "src/foo3.rs" required-features = ["b"] [[bin]] name = "foo2" path = "src/foo2.rs" required-features = ["b"] "#, ) .file("src/lib.rs", "") .file("src/foo1.rs", "extern crate foo; fn main() {}") .file("src/foo3.rs", "extern crate foo; fn main() {}") .file("src/foo2.rs", "extern crate foo; fn main() {}") .build(); p.cargo("run") .with_status(101) .with_stderr( "\ error: `cargo run` could not determine which binary to run[..] available binaries: foo1, foo2, foo3", ) .run(); } #[cargo_test] fn renamed_required_features() { // Test that required-features uses renamed package feature names. let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2018" [[bin]] name = "x" required-features = ["a1/f1"] [dependencies] a1 = {path="a1", package="a"} a2 = {path="a2", package="a"} "#, ) .file( "src/bin/x.rs", r#" fn main() { a1::f(); a2::f(); } "#, ) .file( "a1/Cargo.toml", r#" [package] name = "a" version = "0.1.0" [features] f1 = [] "#, ) .file( "a1/src/lib.rs", r#" pub fn f() { if cfg!(feature="f1") { println!("a1 f1"); } } "#, ) .file( "a2/Cargo.toml", r#" [package] name = "a" version = "0.2.0" [features] f2 = [] "#, ) .file( "a2/src/lib.rs", r#" pub fn f() { if cfg!(feature="f2") { println!("a2 f2"); } } "#, ) .build(); p.cargo("run") .with_status(101) .with_stderr( "\ [ERROR] target `x` in package `foo` requires the features: `a1/f1` Consider enabling them by passing, e.g., `--features=\"a1/f1\"` ", ) .run(); p.cargo("build --features a1/f1").run(); p.rename_run("x", "x_with_f1").with_stdout("a1 f1").run(); p.cargo("build --features a1/f1,a2/f2").run(); p.rename_run("x", "x_with_f1_f2") .with_stdout("a1 f1\na2 f2") .run(); } #[cargo_test] fn truncated_install_warning_message() { let p = project() .file( "Cargo.toml", r#" [package] name = "foo" version = "0.1.0" edition = "2021" [features] feature1 = [] feature2 = [] feature3 = [] feature4 = [] feature5 = [] [[bin]] name = "foo1" required-features = ["feature1", "feature2", "feature3"] [[bin]] name = "foo2" required-features = ["feature2"] [[bin]] name = "foo3" required-features = ["feature3"] [[bin]] name = "foo4" required-features = ["feature4", "feature1"] [[bin]] name = "foo5" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[bin]] name = "foo6" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[bin]] name = "foo7" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[bin]] name = "foo8" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[bin]] name = "foo9" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[bin]] name = "foo10" required-features = ["feature1", "feature2", "feature3", "feature4", "feature5"] [[example]] name = "example1" required-features = ["feature1", "feature2"] "#, ) .file("src/bin/foo1.rs", "fn main() {}") .file("src/bin/foo2.rs", "fn main() {}") .file("src/bin/foo3.rs", "fn main() {}") .file("src/bin/foo4.rs", "fn main() {}") .file("src/bin/foo5.rs", "fn main() {}") .file("src/bin/foo6.rs", "fn main() {}") .file("src/bin/foo7.rs", "fn main() {}") .file("src/bin/foo8.rs", "fn main() {}") .file("src/bin/foo9.rs", "fn main() {}") .file("src/bin/foo10.rs", "fn main() {}") .file("examples/example1.rs", "fn main() {}") .build(); p.cargo("install --path .").with_stderr("\ [INSTALLING] foo v0.1.0 ([..]) [FINISHED] release [optimized] target(s) in [..] [WARNING] none of the package's binaries are available for install using the selected features bin \"foo1\" requires the features: `feature1`, `feature2`, `feature3` bin \"foo2\" requires the features: `feature2` bin \"foo3\" requires the features: `feature3` bin \"foo4\" requires the features: `feature4`, `feature1` bin \"foo5\" requires the features: `feature1`, `feature2`, `feature3`, `feature4`, `feature5` bin \"foo6\" requires the features: `feature1`, `feature2`, `feature3`, `feature4`, `feature5` bin \"foo7\" requires the features: `feature1`, `feature2`, `feature3`, `feature4`, `feature5` 4 more targets also requires features not enabled. See them in the Cargo.toml file. Consider enabling some of the needed features by passing, e.g., `--features=\"feature1 feature2 feature3\"`").run(); }