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test(features2): test to prevent regressing of optional host deps of dep

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Weihang Lo 2022-11-06 10:36:47 +00:00
parent df56877805
commit e295a1056e
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1 changed files with 71 additions and 0 deletions
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71
tests/testsuite/features2.rs
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@ -2472,3 +2472,74 @@ fn all_features_merges_with_features() {
.with_stdout("it works") .with_stdout("it works")
.run(); .run();
} }
#[cargo_test]
fn dep_with_optional_host_deps_activated() {
// To prevent regression like rust-lang/cargo#11330
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
version = "0.1.0"
edition = "2021"
[dependencies]
serde = { path = "serde", features = ["derive", "build"] }
"#,
)
.file("src/lib.rs", "")
.file(
"serde/Cargo.toml",
r#"
[package]
name = "serde"
version = "0.1.0"
edition = "2021"
[dependencies]
serde_derive = { path = "../serde_derive", optional = true }
[build-dependencies]
serde_build = { path = "../serde_build", optional = true }
[features]
derive = ["dep:serde_derive"]
build = ["dep:serde_build"]
"#,
)
.file("serde/src/lib.rs", "")
.file("serde/build.rs", "fn main() {}")
.file(
"serde_derive/Cargo.toml",
r#"
[package]
name = "serde_derive"
version = "0.1.0"
edition = "2021"
[lib]
proc-macro = true
"#,
)
.file("serde_derive/src/lib.rs", "")
.file(
"serde_build/Cargo.toml",
&basic_manifest("serde_build", "0.1.0"),
)
.file("serde_build/src/lib.rs", "")
.build();
p.cargo("check")
.with_stderr(
"\
[COMPILING] serde_build v0.1.0 ([CWD]/serde_build)
[COMPILING] serde_derive v0.1.0 ([CWD]/serde_derive)
[COMPILING] serde v0.1.0 ([CWD]/serde)
[CHECKING] foo v0.1.0 ([CWD])
[FINISHED] dev [..]
",
)
.run();
}