initial commit

tests/integration/oauth2_token_refresh_invalid_token_test.go

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package integration
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"testing"
+	"time"
+)
+
+// TestOAuth2TokenRefreshInvalidToken verifies that invalid refresh tokens
+// are rejected.
+func TestOAuth2TokenRefreshInvalidToken(t *testing.T) {
+	client := newTestClient(t)
+	appOwner := createTestAccount(t, client)
+
+	redirectURI := "https://example.com/refresh/invalid"
+	appID, _, _, clientSecret := createOAuth2Application(
+		t, client, appOwner,
+		fmt.Sprintf("Invalid Refresh %d", time.Now().UnixNano()),
+		[]string{redirectURI},
+		[]string{"identify"},
+	)
+
+	form := url.Values{
+		"grant_type":    {"refresh_token"},
+		"refresh_token": {"invalid-refresh-token-12345"},
+		"client_id":     {appID},
+	}
+
+	req, err := http.NewRequest(http.MethodPost, fmt.Sprintf("%s/oauth2/token", client.baseURL), strings.NewReader(form.Encode()))
+	if err != nil {
+		t.Fatalf("failed to build request: %v", err)
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.SetBasicAuth(appID, clientSecret)
+	client.applyCommonHeaders(req)
+
+	resp, err := client.httpClient.Do(req)
+	if err != nil {
+		t.Fatalf("request failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusOK {
+		t.Fatal("invalid refresh token should be rejected")
+	}
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected 400 Bad Request, got %d", resp.StatusCode)
+	}
+}