test(build-analysis): feature gate tests

Author: weihanglo

tests/testsuite/build_analysis.rs

@@ -0,0 +1,61 @@
+//! Tests for `-Zbuild-analysis`.
+
+use crate::prelude::*;
+
+use cargo_test_support::basic_manifest;
+use cargo_test_support::project;
+use cargo_test_support::str;
+
+#[cargo_test]
+fn gated() {
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
+        .file("src/lib.rs", "")
+        .build();
+
+    // Expect no warnings and no analysis status
+    p.cargo("check")
+        .env("CARGO_BUILD_ANALYSIS_ENABLED", "true")
+        .with_stderr_data(str![[r#"
+[CHECKING] foo v0.0.0 ([ROOT]/foo)
+[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
+
+"#]])
+        .run();
+}
+
+#[cargo_test]
+fn gated_no_z_flag() {
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
+        .file("src/lib.rs", "")
+        .build();
+
+    p.cargo("check")
+        .env("CARGO_BUILD_ANALYSIS_ENABLED", "true")
+        .masquerade_as_nightly_cargo(&["build-analysis"])
+        .with_stderr_data(str![[r#"
+[CHECKING] foo v0.0.0 ([ROOT]/foo)
+[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
+
+"#]])
+        .run();
+}
+
+#[cargo_test]
+fn simple() {
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "0.0.0"))
+        .file("src/lib.rs", "")
+        .build();
+
+    p.cargo("check -Zbuild-analysis")
+        .env("CARGO_BUILD_ANALYSIS_ENABLED", "true")
+        .masquerade_as_nightly_cargo(&["build-analysis"])
+        .with_stderr_data(str![[r#"
+[CHECKING] foo v0.0.0 ([ROOT]/foo)
+[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
+
+"#]])
+        .run();
+}

tests/testsuite/main.rs

@@ -11,6 +11,7 @@ mod bad_manifest_path;
 mod bench;
 mod binary_name;
 mod build;
+mod build_analysis;
 mod build_dir;
 mod build_plan;
 mod build_script;