mirror of
https://github.com/rust-lang/cargo
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109 lines
2.1 KiB
Rust
109 lines
2.1 KiB
Rust
//! Tests for build.rs rerun-if-env-changed.
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use cargo_test_support::project;
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use cargo_test_support::sleep_ms;
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#[cargo_test]
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fn rerun_if_env_changes() {
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let p = project()
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"
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fn main() {
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println!("cargo:rerun-if-env-changed=FOO");
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}
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"#,
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)
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.build();
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p.cargo("build")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("build")
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.env("FOO", "bar")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("build")
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.env("FOO", "baz")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("build")
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.env("FOO", "baz")
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.with_stderr("[FINISHED] [..]")
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.run();
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p.cargo("build")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn rerun_if_env_or_file_changes() {
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let p = project()
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"
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fn main() {
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println!("cargo:rerun-if-env-changed=FOO");
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println!("cargo:rerun-if-changed=foo");
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}
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"#,
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)
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.file("foo", "")
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.build();
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p.cargo("build")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("build")
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.env("FOO", "bar")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("build")
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.env("FOO", "bar")
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.with_stderr("[FINISHED] [..]")
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.run();
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sleep_ms(1000);
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p.change_file("foo", "");
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p.cargo("build")
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.env("FOO", "bar")
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.with_stderr(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[FINISHED] [..]
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",
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)
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.run();
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}
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