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Add tests for multiple build scripts execution

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Naman Garg 2025-06-24 00:22:57 +05:30
parent 8f80388a78
commit e9df793c47
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1 changed files with 199 additions and 0 deletions
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tests/testsuite/build_scripts_multiple.rs
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@ -409,6 +409,205 @@ path = "src/main.rs"
.run();
}
#[cargo_test]
fn custom_build_script_first_index_script_failed() {
// In this, the script that is at first index in the build script array fails
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["multiple-build-scripts"]
[package]
name = "foo"
version = "0.1.0"
edition = "2024"
build = ["build1.rs", "build2.rs"]
"#,
)
.file("src/main.rs", "fn main() {}")
.file("build1.rs", "fn main() { std::process::exit(101); }")
.file("build2.rs", "fn main() {}")
.build();
p.cargo("check -v")
.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
.with_status(101)
.with_stderr_data(str![[r#"
[COMPILING] foo v0.1.0 ([ROOT]/foo)
[RUNNING] `rustc --crate-name build_script_build1 --edition=2024 build1.rs [..]--crate-type bin [..]`
[RUNNING] `[ROOT]/foo/target/debug/build/foo-[HASH]/build-script-build1`
[ERROR] failed to run custom build command for `foo v0.1.0 ([ROOT]/foo)`
Caused by:
process didn't exit successfully: `[ROOT]/foo/target/debug/build/foo-[HASH]/build-script-build1` ([EXIT_STATUS]: 101)
"#]])
.run();
}
#[cargo_test]
fn custom_build_script_second_index_script_failed() {
// In this, the script that is at second index in the build script array fails
// This test was necessary because earlier, the program failed only if first script failed.
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["multiple-build-scripts"]
[package]
name = "foo"
version = "0.1.0"
edition = "2024"
build = ["build1.rs", "build2.rs"]
"#,
)
.file("src/main.rs", "fn main() {}")
.file("build1.rs", "fn main() {}")
.file("build2.rs", "fn main() { std::process::exit(101); }")
.build();
p.cargo("check -v")
.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
.with_status(0)
.with_stderr_data(str![[r#"
[COMPILING] foo v0.1.0 ([ROOT]/foo)
[RUNNING] `rustc --crate-name build_script_build1 --edition=2024 build1.rs [..]--crate-type bin [..]`
[RUNNING] `[ROOT]/foo/target/debug/build/foo-[HASH]/build-script-build1`
[RUNNING] `rustc --crate-name foo --edition=2024 src/main.rs [..] --crate-type bin [..]`
[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
"#]])
.run();
}
#[cargo_test]
fn build_script_with_conflicting_environment_variables() {
// In this, multiple scripts set different values to same environment variables
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["multiple-build-scripts"]
[package]
name = "foo"
version = "0.1.0"
edition = "2024"
build = ["build1.rs", "build2.rs"]
"#,
)
.file(
"src/main.rs",
r#"
const FOO: &'static str = env!("FOO");
fn main() {
println!("{}", FOO);
}
"#,
)
.file(
"build1.rs",
r#"fn main() { println!("cargo::rustc-env=FOO=bar1"); }"#,
)
.file(
"build2.rs",
r#"fn main() { println!("cargo::rustc-env=FOO=bar2"); }"#,
)
.build();
p.cargo("run -v")
.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
.with_status(0)
.with_stdout_data(str![[r#"
bar1
"#]])
.run();
}
#[cargo_test]
fn build_script_with_conflicting_out_dirs() {
// In this, multiple scripts create file with same name in their respective OUT_DIR.
let p = project()
.file(
"Cargo.toml",
r#"
cargo-features = ["multiple-build-scripts"]
[package]
name = "foo"
version = "0.1.0"
edition = "2024"
build = ["build1.rs", "build2.rs"]
"#,
)
// OUT_DIR is set to the lexicographically largest build script's OUT_DIR by default
.file(
"src/main.rs",
r#"
include!(concat!(env!("OUT_DIR"), "/foo.rs"));
fn main() {
println!("{}", message());
}
"#,
)
.file(
"build1.rs",
r#"
use std::env;
use std::fs;
use std::path::Path;
fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("foo.rs");
fs::write(
&dest_path,
"pub fn message() -> &'static str {
\"Hello, from Build Script 1!\"
}
"
).unwrap();
}"#,
)
.file(
"build2.rs",
r#"
use std::env;
use std::fs;
use std::path::Path;
fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("foo.rs");
fs::write(
&dest_path,
"pub fn message() -> &'static str {
\"Hello, from Build Script 2!\"
}
"
).unwrap();
}"#,
)
.build();
p.cargo("run -v")
.masquerade_as_nightly_cargo(&["multiple-build-scripts"])
.with_status(0)
.with_stdout_data(str![[r#"
Hello, from Build Script 1!
"#]])
.run();
}
#[cargo_test]
fn rerun_untracks_other_files() {
let p = project()