Add tests

Signed-off-by: Marcus Eide <eide@spotify.com>

plugins/auth-backend/src/lib/oauth/OAuthAdapter.test.ts

@@ -347,4 +347,85 @@ describe('OAuthAdapter', () => {
       },
     });
   });
+
+  it('sets the correct cookie configuration using the base url', async () => {
+    const config = {
+      baseUrl: 'http://domain.org/auth',
+      appUrl: 'http://domain.org',
+      isOriginAllowed: () => false,
+    };
+
+    const oauthProvider = OAuthAdapter.fromConfig(
+      config,
+      providerInstance,
+      oAuthProviderOptions,
+    );
+
+    const mockRequest = {
+      query: {
+        scope: 'user',
+        env: 'development',
+      },
+    } as unknown as express.Request;
+
+    const mockResponse = {
+      cookie: jest.fn().mockReturnThis(),
+      end: jest.fn().mockReturnThis(),
+      setHeader: jest.fn().mockReturnThis(),
+      statusCode: jest.fn().mockReturnThis(),
+    } as unknown as express.Response;
+
+    await oauthProvider.start(mockRequest, mockResponse);
+
+    expect(mockResponse.cookie).toBeCalledTimes(1);
+    expect(mockResponse.cookie).toBeCalledWith(
+      `${oAuthProviderOptions.providerId}-nonce`,
+      expect.any(String),
+      expect.objectContaining({
+        domain: 'domain.org',
+        path: '/auth/test-provider',
+        secure: false,
+      }),
+    );
+  });
+
+  it('sets the correct cookie configuration using a callbackUrl', async () => {
+    const config = {
+      baseUrl: 'http://domain.org/auth',
+      appUrl: 'http://domain.org',
+      isOriginAllowed: () => false,
+    };
+
+    const oauthProvider = OAuthAdapter.fromConfig(config, providerInstance, {
+      ...oAuthProviderOptions,
+      callbackUrl: 'https://authdomain.org/auth/test-provider/handler/frame',
+    });
+
+    const mockRequest = {
+      query: {
+        scope: 'user',
+        env: 'development',
+      },
+    } as unknown as express.Request;
+
+    const mockResponse = {
+      cookie: jest.fn().mockReturnThis(),
+      end: jest.fn().mockReturnThis(),
+      setHeader: jest.fn().mockReturnThis(),
+      statusCode: jest.fn().mockReturnThis(),
+    } as unknown as express.Response;
+
+    await oauthProvider.start(mockRequest, mockResponse);
+
+    expect(mockResponse.cookie).toBeCalledTimes(1);
+    expect(mockResponse.cookie).toBeCalledWith(
+      `${oAuthProviderOptions.providerId}-nonce`,
+      expect.any(String),
+      expect.objectContaining({
+        domain: 'authdomain.org',
+        path: '/auth/test-provider',
+        secure: true,
+      }),
+    );
+  });
 });

plugins/auth-backend/src/lib/oauth/helpers.test.ts

@@ -15,7 +15,12 @@
  */
 
 import express from 'express';
-import { verifyNonce, encodeState, readState } from './helpers';
+import {
+  verifyNonce,
+  encodeState,
+  readState,
+  getCookieConfig,
+} from './helpers';
 
 describe('OAuthProvider Utils', () => {
   describe('encodeState', () => {
@@ -104,4 +109,31 @@ describe('OAuthProvider Utils', () => {
       }).not.toThrow();
     });
   });
+
+  describe('getCookieConfig', () => {
+    it('should set the correct domain and path for a base url', () => {
+      const mockAuthUrl = new URL('http://domain.org/auth');
+      expect(getCookieConfig(mockAuthUrl, 'test-provider')).toMatchObject({
+        cookieDomain: 'domain.org',
+        cookiePath: '/auth/test-provider',
+      });
+    });
+
+    it('should set the correct domain and path for a url containing a frame handler', () => {
+      const mockAuthUrl = new URL(
+        'http://domain.org/auth/test-provider/handler/frame',
+      );
+      expect(getCookieConfig(mockAuthUrl, 'test-provider')).toMatchObject({
+        cookieDomain: 'domain.org',
+        cookiePath: '/auth/test-provider',
+      });
+    });
+
+    it('should set the secure flag if url is using https', () => {
+      const mockAuthUrl = new URL('https://domain.org/auth');
+      expect(getCookieConfig(mockAuthUrl, 'test-provider')).toMatchObject({
+        secure: true,
+      });
+    });
+  });
 });