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Add initial tests for multiple build scripts (not implemented yet)
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‎tests/testsuite/build_scripts_multiple.rs

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//! Tests for multiple build scripts feature.
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use cargo_test_support::git;
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use cargo_test_support::prelude::*;
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use cargo_test_support::str;
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use cargo_test_support::{project, Project};
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#[cargo_test]
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fn build_without_feature_enabled_aborts_with_error() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2024"
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build = ["build1.rs", "build2.rs"]
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("build1.rs", "fn main() {}")
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.file("build2.rs", "fn main() {}")
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.build();
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p.cargo("check")
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.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
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.with_status(101)
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.with_stderr_data(str![[r#"
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[ERROR] invalid type: sequence, expected a boolean or string
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--> Cargo.toml:6:25
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|
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6 | build = ["build1.rs", "build2.rs"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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|
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"#]])
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.run();
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}
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fn basic_empty_project() -> Project {
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project()
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.file(
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"Cargo.toml",
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r#"
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cargo-features = ["multiple-build-scripts"]
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2024"
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build = ["build1.rs", "build2.rs"]
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("build1.rs", "fn main() {}")
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.file("build2.rs", "fn main() {}")
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.build()
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}
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#[cargo_test]
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fn empty_multiple_build_script_project() {
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let p = basic_empty_project();
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p.cargo("check")
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.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
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.with_status(101)
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.with_stderr_data(str![[r#"
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[ERROR] invalid type: sequence, expected a boolean or string
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--> Cargo.toml:8:25
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|
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8 | build = ["build1.rs", "build2.rs"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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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 multiple_build_scripts_metadata() {
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let p = basic_empty_project();
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p.cargo("metadata --format-version=1")
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.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
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.with_status(101)
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.with_stderr_data(str![[r#"
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[ERROR] invalid type: sequence, expected a boolean or string
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--> Cargo.toml:8:25
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|
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8 | build = ["build1.rs", "build2.rs"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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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 verify_package_multiple_build_scripts() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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cargo-features = ["multiple-build-scripts"]
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2024"
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license = "MIT"
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description = "foo"
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documentation = "docs.rs/foo"
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authors = []
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build = ["build1.rs", "build2.rs"]
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include = [ "src/main.rs", "build1.rs" ]
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("build1.rs", "fn main() {}")
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.file("build2.rs", "fn main() {}")
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.build();
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p.cargo("package")
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.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
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.with_status(101)
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.with_stderr_data(str![[r#"
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[ERROR] invalid type: sequence, expected a boolean or string
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--> Cargo.toml:13:25
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|
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13 | build = ["build1.rs", "build2.rs"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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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 verify_vendor_multiple_build_scripts() {
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let git_project = git::new("dep", |project| {
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project
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.file(
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"Cargo.toml",
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r#"
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cargo-features = ["multiple-build-scripts"]
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[package]
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name = "dep"
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version = "0.1.0"
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edition = "2024"
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license = "MIT"
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description = "dependency of foo"
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documentation = "docs.rs/dep"
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authors = []
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build = ["build1.rs", "build2.rs"]
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include = [ "src/main.rs", "build1.rs" ]
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file("build1.rs", "fn main() {}")
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.file("build2.rs", "fn main() {}")
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});
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let p = project()
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.file(
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"Cargo.toml",
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&format!(
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r#"
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cargo-features = ["multiple-build-scripts"]
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2024"
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[dependencies.dep]
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git = '{}'
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"#,
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git_project.url()
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),
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)
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("vendor --respect-source-config")
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.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
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.with_status(101)
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.with_stderr_data(str![[r#"
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[UPDATING] git repository `[ROOTURL]/dep`
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[ERROR] invalid type: sequence, expected a boolean or string
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--> ../home/.cargo/git/checkouts/dep-[HASH]/[..]/Cargo.toml:13:25
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|
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13 | build = ["build1.rs", "build2.rs"]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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|
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[ERROR] failed to sync
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Caused by:
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failed to load lockfile for [ROOT]/foo
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Caused by:
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failed to get `dep` as a dependency of package `foo v0.1.0 ([ROOT]/foo)`
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Caused by:
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failed to load source for dependency `dep`
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Caused by:
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Unable to update [ROOTURL]/dep
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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_untracks_other_files() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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edition = "2024"
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"#,
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)
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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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foo();
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bar();
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}
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fn foo() {
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let _path = "assets/foo.txt";
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}
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fn bar() {
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let path = "assets/bar.txt";
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println!("cargo::rerun-if-changed={path}");
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}"#,
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)
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.file("assets/foo.txt", "foo")
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.file("assets/bar.txt", "bar")
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.build();
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p.cargo("build").run();
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// Editing foo.txt won't recompile, leading to unnoticed changes
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p.change_file("assets/foo.txt", "foo updated");
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p.cargo("build -v")
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.with_stderr_data(str![[r#"
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[FRESH] foo v0.1.0 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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"#]])
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.run();
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// Editing bar.txt will recompile
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p.change_file("assets/bar.txt", "bar updated");
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p.cargo("build -v")
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.with_stderr_data(str![[r#"
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[DIRTY] foo v0.1.0 ([ROOT]/foo): the file `assets/bar.txt` has changed ([TIME_DIFF_AFTER_LAST_BUILD])
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[COMPILING] foo v0.1.0 ([ROOT]/foo)
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[RUNNING] `[ROOT]/foo/target/debug/build/foo-[HASH]/build-script-build`
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[RUNNING] `rustc --crate-name foo --edition=2024 src/main.rs [..] --crate-type bin [..]
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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"#]])
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.run();
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}

‎tests/testsuite/main.rs

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Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@ mod build_plan;
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mod build_script;
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mod build_script_env;
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mod build_script_extra_link_arg;
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mod build_scripts_multiple;
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mod cache_lock;
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mod cache_messages;
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mod cargo;

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