Function createTestJWT

credentials/jwt/token_file_call_creds_ext_test.go:220–254

createTestJWT creates a test JWT token with the specified expiration.

(t *testing.T, expiration time.Time)

// createTestJWT creates a test JWT token with the specified expiration.
func createTestJWT(t *testing.T, expiration time.Time) string {
	t.Helper()

	claims := map[string]any{}
	if !expiration.IsZero() {
		claims["exp"] = expiration.Unix()
	}

	header := map[string]any{
		"typ": "JWT",
		"alg": "HS256",
	}
	headerBytes, err := json.Marshal(header)
	if err != nil {
		t.Fatalf("Failed to marshal header: %v", err)
	}

	claimsBytes, err := json.Marshal(claims)
	if err != nil {
		t.Fatalf("Failed to marshal claims: %v", err)
	}

	headerB64 := base64.URLEncoding.EncodeToString(headerBytes)
	claimsB64 := base64.URLEncoding.EncodeToString(claimsBytes)

	// Remove padding for URL-safe base64.
	headerB64 = strings.TrimRight(headerB64, "=")
	claimsB64 = strings.TrimRight(claimsB64, "=")

	// For testing, we use a fake signature.
	signature := base64.URLEncoding.EncodeToString([]byte("fake_signature"))
	signature = strings.TrimRight(signature, "=")

	return fmt.Sprintf("%s.%s.%s", headerB64, claimsB64, signature)
}

// writeTempTokenFile writes the token to a temporary file and returns the path.
func writeTempTokenFile(t *testing.T, token string) string {