test: add more @http v2 E2E tests (#8699)

This commit adds E2E tests for the @http v2 directive. This
verifies ${env}, ${aws_region}, and request header behavior.

Co-authored-by: Colin Ihrig <colihrig@amazon.com>

packages/graphql-transformers-e2e-tests/resources/jsonServer/src-server/index.js

@@ -1,4 +1,4 @@
-'use strict'
+'use strict';
 const path = require('path');
 const fs = require('fs');
 const os = require('os');
@@ -14,6 +14,14 @@ const app = jsonServer.create();
 const router = jsonServer.router(writableDbPath);
 const middlewares = jsonServer.defaults();
 
+app.use('/config/:region/:env', (req, res) => {
+  res.json({
+    apiKey: req.headers['x-api-key'],
+    env: req.params.env,
+    region: req.params.region,
+  });
+});
+
 app.use(middlewares);
 app.use(router);
 

packages/graphql-transformers-e2e-tests/src/__tests__/HttpTransformerV2.e2e.test.ts

@@ -13,9 +13,10 @@ import { deployJsonServer, destroyJsonServer } from '../cdkUtils';
 
 jest.setTimeout(2000000);
 
-const cf = new CloudFormationClient('us-west-2');
-const customS3Client = new S3Client('us-west-2');
-const awsS3Client = new S3({ region: 'us-west-2' });
+const REGION = 'us-west-2';
+const cf = new CloudFormationClient(REGION);
+const customS3Client = new S3Client(REGION);
+const awsS3Client = new S3({ region: REGION });
 const BUILD_TIMESTAMP = moment().format('YYYYMMDDHHmmss');
 const STACK_NAME = `HttpTransformerV2Test-${BUILD_TIMESTAMP}`;
 const BUCKET_NAME = `appsync-http-transformer-v2-test-bucket-${BUILD_TIMESTAMP}`;
@@ -64,6 +65,11 @@ beforeAll(async () => {
             secondType: String!,
             id: Int
         ): [PostComment] @http(url: "${apiUrl}:dataType/:postId/:secondType")
+        configGet: ConfigResponse @http(
+          method: GET,
+          url: "${apiUrl}config/\${aws_region}/\${env}",
+          headers: [{ key: "x-api-key", value: "fake-api-key" }]
+        )
     }
     type CompObj {
         userId: Int
@@ -78,6 +84,11 @@ beforeAll(async () => {
         email: String
         body: String
     }
+    type ConfigResponse {
+      apiKey: String
+      env: String
+      region: String
+    }
     `;
 
   try {
@@ -441,3 +452,28 @@ test('Test that POST errors when missing a non-null arg in query/body', async ()
     expect(e).toBeUndefined();
   }
 });
+
+test('Test headers, environment, and region support', async () => {
+  const response = await GRAPHQL_CLIENT.query(
+    `mutation {
+      createComment(input: { title: "Hello, World!" }) {
+        id
+        title
+        configGet {
+          apiKey
+          env
+          region
+        }
+      }
+    }`,
+    {},
+  );
+
+  expect(response.errors).toBeUndefined();
+  expect(response.data.createComment.id).toBeDefined();
+  expect(response.data.createComment.title).toEqual('Hello, World!');
+  expect(response.data.createComment.configGet).toBeDefined();
+  expect(response.data.createComment.configGet.apiKey).toEqual('fake-api-key');
+  expect(response.data.createComment.configGet.env).toEqual('NONE');
+  expect(response.data.createComment.configGet.region).toEqual(REGION);
+});