//! Tests for `[env]` config. use cargo_test_support::{basic_bin_manifest, project}; #[cargo_test] fn env_basic() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/main.rs", r#" use std::env; fn main() { println!( "compile-time:{}", env!("ENV_TEST_1233") ); println!( "run-time:{}", env::var("ENV_TEST_1233").unwrap()); } "#, ) .file( ".cargo/config", r#" [env] ENV_TEST_1233 = "Hello" "#, ) .build(); p.cargo("run") .with_stdout_contains("compile-time:Hello") .with_stdout_contains("run-time:Hello") .run(); } #[cargo_test] fn env_invalid() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/main.rs", r#" fn main() { } "#, ) .file( ".cargo/config", r#" [env] ENV_TEST_BOOL = false "#, ) .build(); p.cargo("check") .with_status(101) .with_stderr_contains("[..]could not load config key `env.ENV_TEST_BOOL`") .run(); } #[cargo_test] fn env_no_cargo_home() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/main.rs", r#" fn main() { } "#, ) .file( ".cargo/config", r#" [env] CARGO_HOME = "/" "#, ) .build(); p.cargo("check") .with_status(101) .with_stderr_contains("[..]setting the `CARGO_HOME` environment variable is not supported in the `[env]` configuration table") .run(); } #[cargo_test] fn env_force() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo")) .file( "src/main.rs", r#" use std::env; fn main() { println!( "ENV_TEST_FORCED:{}", env!("ENV_TEST_FORCED") ); println!( "ENV_TEST_UNFORCED:{}", env!("ENV_TEST_UNFORCED") ); println!( "ENV_TEST_UNFORCED_DEFAULT:{}", env!("ENV_TEST_UNFORCED_DEFAULT") ); } "#, ) .file( ".cargo/config", r#" [env] ENV_TEST_UNFORCED_DEFAULT = "from-config" ENV_TEST_UNFORCED = { value = "from-config", force = false } ENV_TEST_FORCED = { value = "from-config", force = true } "#, ) .build(); p.cargo("run") .env("ENV_TEST_FORCED", "from-env") .env("ENV_TEST_UNFORCED", "from-env") .env("ENV_TEST_UNFORCED_DEFAULT", "from-env") .with_stdout_contains("ENV_TEST_FORCED:from-config") .with_stdout_contains("ENV_TEST_UNFORCED:from-env") .with_stdout_contains("ENV_TEST_UNFORCED_DEFAULT:from-env") .run(); } #[cargo_test] fn env_relative() { let p = project() .file("Cargo.toml", &basic_bin_manifest("foo2")) .file( "src/main.rs", r#" use std::env; use std::path::Path; fn main() { println!( "ENV_TEST_REGULAR:{}", env!("ENV_TEST_REGULAR") ); println!( "ENV_TEST_REGULAR_DEFAULT:{}", env!("ENV_TEST_REGULAR_DEFAULT") ); println!( "ENV_TEST_RELATIVE:{}", env!("ENV_TEST_RELATIVE") ); assert!( Path::new(env!("ENV_TEST_RELATIVE")).is_absolute() ); assert!( !Path::new(env!("ENV_TEST_REGULAR")).is_absolute() ); assert!( !Path::new(env!("ENV_TEST_REGULAR_DEFAULT")).is_absolute() ); } "#, ) .file( ".cargo/config", r#" [env] ENV_TEST_REGULAR = { value = "Cargo.toml", relative = false } ENV_TEST_REGULAR_DEFAULT = "Cargo.toml" ENV_TEST_RELATIVE = { value = "Cargo.toml", relative = true } "#, ) .build(); p.cargo("run").run(); } #[cargo_test] fn env_no_override() { let p = project() .file("Cargo.toml", &basic_bin_manifest("unchanged")) .file( "src/main.rs", r#" use std::env; fn main() { println!( "CARGO_PKG_NAME:{}", env!("CARGO_PKG_NAME") ); } "#, ) .file( ".cargo/config", r#" [env] CARGO_PKG_NAME = { value = "from-config", force = true } "#, ) .build(); p.cargo("run") .with_stdout_contains("CARGO_PKG_NAME:unchanged") .run(); }