tests: Run cargo with --verbose flag if AUTHD_TEST_VERBOSITY is set

Author: adombeck

internal/testutils/args.go

@@ -16,8 +16,24 @@ var (
 	isRaceOnce          sync.Once
 	sleepMultiplier     float64
 	sleepMultiplierOnce sync.Once
+	testVerbosity       int
+	testVerbosityOnce   sync.Once
 )
 
+// TestVerbosity returns the verbosity level that should be used in tests.
+func TestVerbosity() int {
+	testVerbosityOnce.Do(func() {
+		if v := os.Getenv("AUTHD_TEST_VERBOSITY"); v != "" {
+			var err error
+			testVerbosity, err = strconv.Atoi(v)
+			if err != nil {
+				panic(err)
+			}
+		}
+	})
+	return testVerbosity
+}
+
 func haveBuildFlag(flag string) bool {
 	b, ok := debug.ReadBuildInfo()
 	if !ok {

internal/testutils/rust.go

@@ -100,6 +100,9 @@ func BuildRustNSSLib(t *testing.T, disableCoverage bool, features ...string) (li
 	// Builds the nss library.
 	// #nosec:G204 - we control the command arguments in tests
 	cmd := exec.Command(cargo, "build", "--features", strings.Join(features, ","), "--target-dir", target)
+	if TestVerbosity() > 0 {
+		cmd.Args = append(cmd.Args, "--verbose")
+	}
 	cmd.Env = append(os.Environ(), rustCovEnv...)
 	cmd.Dir = projectRoot
 	cmd.Stdout = os.Stdout