Enable race testing in validation

publish_test.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -93,6 +94,35 @@ func TestPublishPushesOnlyTheCapturedAnnotatedTag(t *testing.T) {
 	}
 }
 
+func TestCheckUsesSelectedRaceSuiteBeforeAdditionalChecks(t *testing.T) {
+	requireRacePrerequisites(t)
+	repo := newPublishFixture(t)
+	raceMarker := filepath.Join(t.TempDir(), "race-enabled")
+	t.Setenv("RELEASEKIT_RACE_MARKER", raceMarker)
+	checks := 0
+	_, err := releasekit.Check(context.Background(), releasekit.ReleaseRequest{
+		RepositoryDir: repo.work,
+		Product:       "Sample App",
+		Version:       "v1.2.3",
+		Validation: releasekit.ValidationSpec{
+			Go: releasekit.GoValidationSpec{Race: true},
+		},
+		AdditionalChecks: func(context.Context, releasekit.Candidate) error {
+			checks++
+			return nil
+		},
+	})
+	if err != nil {
+		t.Fatalf("Check() error = %v", err)
+	}
+	if checks != 1 {
+		t.Fatalf("additional checks ran %d times, want once", checks)
+	}
+	if _, err := os.Stat(raceMarker); err != nil {
+		t.Fatalf("race-enabled fixture did not run: %v", err)
+	}
+}
+
 func TestPublishFailedStandardSuiteSkipsAdditionalChecksAndTagCreation(t *testing.T) {
 	repo := newPublishFixture(t)
 	t.Setenv("RELEASEKIT_FAIL_FIXTURE_SUITE", "1")
@@ -133,6 +163,27 @@ func TestPublishFailedStandardSuiteSkipsAdditionalChecksAndTagCreation(t *testin
 	}
 }
 
+func requireRacePrerequisites(t *testing.T) {
+	t.Helper()
+	supported := runtime.GOOS == "darwin" && (runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64") ||
+		(runtime.GOOS == "freebsd" || runtime.GOOS == "linux") && (runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64" || runtime.GOARCH == "ppc64le") ||
+		runtime.GOOS == "windows" && runtime.GOARCH == "amd64"
+	if !supported {
+		t.Skipf("Go race detector is not supported on %s/%s", runtime.GOOS, runtime.GOARCH)
+	}
+	cgo, err := exec.Command("go", "env", "CGO_ENABLED").Output()
+	if err != nil || strings.TrimSpace(string(cgo)) != "1" {
+		t.Skip("Go race detector requires CGO_ENABLED=1")
+	}
+	cc, err := exec.Command("go", "env", "CC").Output()
+	if err != nil || len(strings.Fields(string(cc))) == 0 {
+		t.Skip("Go race detector requires a C compiler")
+	}
+	if _, err := exec.LookPath(strings.Fields(string(cc))[0]); err != nil {
+		t.Skip("Go race detector C compiler is unavailable")
+	}
+}
+
 func TestCheckReturnsPublicValidationError(t *testing.T) {
 	repo := newPublishFixture(t)
 	t.Setenv("RELEASEKIT_FAIL_FIXTURE_SUITE", "1")
@@ -627,6 +678,25 @@ func TestFixture(t *testing.T) {
 		t.Fatal("fixture standard suite failure")
 	}
 }
+`)
+	writeFile(t, work, "race_fixture_test.go", `//go:build race
+
+package fixture
+
+import (
+	"os"
+	"testing"
+)
+
+func TestRaceBuildSelection(t *testing.T) {
+	marker := os.Getenv("RELEASEKIT_RACE_MARKER")
+	if marker == "" {
+		return
+	}
+	if err := os.WriteFile(marker, []byte("race enabled"), 0o600); err != nil {
+		t.Fatal(err)
+	}
+}
 `)
 	writeFile(t, work, "docs/releases/v1.2.3.md", releaseNote)
 	writeFile(t, work, "source.txt", "candidate")