diff --git a/packages/core/src/routes/session.test.ts b/packages/core/src/routes/session.test.ts
new file mode 100644
index 000000000..dbe66822a
--- /dev/null
+++ b/packages/core/src/routes/session.test.ts
@@ -0,0 +1,42 @@
+import { Provider } from 'oidc-provider';
+
+import { createRequester } from '@/utils/test-utils';
+
+import sessionRoutes from './session';
+
+jest.mock('oidc-provider');
+const MockedProvider = Provider as jest.MockedClass<typeof Provider>;
+
+describe('sessionRoutes', () => {
+  const sessionRequest = createRequester({
+    anonymousRoutes: sessionRoutes,
+    provider: new Provider(''),
+  });
+
+  afterAll(() => jest.clearAllMocks());
+
+  it('POST /session with consent prompt name', async () => {
+    (
+      MockedProvider.mock.instances[0]?.interactionDetails as unknown as jest.MockedFunction<
+        () => Promise<{ prompt: { name: string } }>
+      >
+    ).mockResolvedValue({
+      prompt: { name: 'consent' },
+    });
+    const response = await sessionRequest.post('/session');
+
+    expect(response.status).toEqual(200);
+    expect(response.body).toHaveProperty('redirectTo', expect.stringContaining('/session/consent'));
+  });
+
+  it('POST /session with invalid prompt name', async () => {
+    (
+      MockedProvider.mock.instances[0]?.interactionDetails as unknown as jest.MockedFunction<
+        () => Promise<{ prompt: { name: string } }>
+      >
+    ).mockResolvedValue({
+      prompt: { name: 'invalid' },
+    });
+    await expect(sessionRequest.post('/session').send({})).resolves.toHaveProperty('status', 400);
+  });
+});
diff --git a/packages/core/src/routes/session.ts b/packages/core/src/routes/session.ts
index a44c680f1..cd967a3b8 100644
--- a/packages/core/src/routes/session.ts
+++ b/packages/core/src/routes/session.ts
@@ -47,6 +47,8 @@ export default function sessionRoutes<T extends AnonymousRouter>(router: T, prov
 
       return next();
     }
+
+    throw new RequestError('session.unsupported_prompt_name');
   });
 
   router.post(
diff --git a/packages/core/src/utils/test-utils.ts b/packages/core/src/utils/test-utils.ts
index 501847a19..d6517155f 100644
--- a/packages/core/src/utils/test-utils.ts
+++ b/packages/core/src/utils/test-utils.ts
@@ -51,27 +51,52 @@ export const createContextWithRouteParameters = (
   };
 };
 
-type RouteLauncher<T extends AuthedRouter | AnonymousRouter> = (
+type RouteLauncher<T extends AuthedRouter | AnonymousRouter> = (router: T) => void;
+
+type ProviderRouteLauncher<T extends AuthedRouter | AnonymousRouter> = (
   router: T,
-  provider?: Provider
+  provider: Provider
 ) => void;
 
-export const createRequester = ({
+export function createRequester(
+  payload:
+    | {
+        anonymousRoutes?: RouteLauncher<AnonymousRouter> | Array<RouteLauncher<AnonymousRouter>>;
+        authedRoutes?: RouteLauncher<AuthedRouter> | Array<RouteLauncher<AuthedRouter>>;
+      }
+    | {
+        anonymousRoutes?:
+          | ProviderRouteLauncher<AnonymousRouter>
+          | Array<ProviderRouteLauncher<AnonymousRouter>>;
+        authedRoutes?: RouteLauncher<AuthedRouter> | Array<RouteLauncher<AuthedRouter>>;
+        provider: Provider;
+      }
+): request.SuperTest<request.Test>;
+
+export function createRequester({
   anonymousRoutes,
   authedRoutes,
   provider,
 }: {
-  anonymousRoutes?: RouteLauncher<AnonymousRouter> | Array<RouteLauncher<AnonymousRouter>>;
+  anonymousRoutes?:
+    | RouteLauncher<AnonymousRouter>
+    | Array<RouteLauncher<AnonymousRouter>>
+    | ProviderRouteLauncher<AnonymousRouter>
+    | Array<ProviderRouteLauncher<AnonymousRouter>>;
   authedRoutes?: RouteLauncher<AuthedRouter> | Array<RouteLauncher<AuthedRouter>>;
   provider?: Provider;
-}): request.SuperTest<request.Test> => {
+}): request.SuperTest<request.Test> {
   const app = new Koa();
 
   if (anonymousRoutes) {
     const anonymousRouter: AnonymousRouter = new Router();
 
     for (const route of Array.isArray(anonymousRoutes) ? anonymousRoutes : [anonymousRoutes]) {
-      route(anonymousRouter, provider);
+      if (provider) {
+        route(anonymousRouter, provider);
+      } else {
+        (route as RouteLauncher<AnonymousRouter>)(anonymousRouter);
+      }
     }
 
     app.use(anonymousRouter.routes()).use(anonymousRouter.allowedMethods());
@@ -81,11 +106,11 @@ export const createRequester = ({
     const authRouter: AuthedRouter = new Router();
 
     for (const route of Array.isArray(authedRoutes) ? authedRoutes : [authedRoutes]) {
-      route(authRouter, provider);
+      route(authRouter);
     }
 
     app.use(authRouter.routes()).use(authRouter.allowedMethods());
   }
 
   return request(app.callback());
-};
+}
diff --git a/packages/phrases/src/locales/en.ts b/packages/phrases/src/locales/en.ts
index bbd1c2884..fffe0b516 100644
--- a/packages/phrases/src/locales/en.ts
+++ b/packages/phrases/src/locales/en.ts
@@ -67,6 +67,7 @@ const errors = {
     connector_id_mismatch: 'The connectorId is mismatched with session record.',
     connector_session_not_found: 'Connector session not found. Please go back and sign in again.',
     unauthorized: 'Please sign in first.',
+    unsupported_prompt_name: 'Unsupported prompt name',
   },
   connector: {
     general: 'An unexpected error occured in connector.',
diff --git a/packages/phrases/src/locales/zh-cn.ts b/packages/phrases/src/locales/zh-cn.ts
index fd5ac277a..dea116510 100644
--- a/packages/phrases/src/locales/zh-cn.ts
+++ b/packages/phrases/src/locales/zh-cn.ts
@@ -68,6 +68,7 @@ const errors = {
     connector_id_mismatch: '传入的 connectorId 与 session 中保存的记录不一致。',
     connector_session_not_found: '无法找到 connector 登录信息，请尝试重新登录。',
     unauthorized: '请先登录。',
+    unsupported_prompt_name: '不支持的 prompt name。',
   },
   connector: {
     general: 'Connector 发生未知错误。',