1 files changed, 181 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/cargo_env_config.rs b/src/tools/cargo/tests/testsuite/cargo_env_config.rs
new file mode 100644
index 000000000..d80c38d0e
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/cargo_env_config.rs
@@ -0,0 +1,181 @@
+//! 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();
+}