Adding test/nodeEnvSetupFile.js for Jest configuration

Adding ApiContainer tests

examples/shop-with-blog/server/index.js

@@ -1,7 +1,7 @@
 global.__SERVER__ = true; // eslint-disable-line no-underscore-dangle
 
-process.on('unhandledRejection', (reason, p) => {
-  console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
+process.on('unhandledRejection', (reason, promise) => {
+  console.log('Unhandled Rejection at: Promise', promise, 'reason:', reason);
 });
 process.on('uncaughtException', ex => {
   console.log('Uncaught Exception: ', ex);

packages/falcon-server/package.json

@@ -11,6 +11,19 @@
     "test": "jest --watch",
     "test:coverage": "jest --ci --coverage"
   },
+  "jest": {
+    "collectCoverageFrom": [
+      "src/**/*.js"
+    ],
+    "coverageReporters": [
+      "html",
+      "text",
+      "text-summary"
+    ],
+    "setupFiles": [
+      "../../test/nodeEnvSetupFile"
+    ]
+  },
   "dependencies": {
     "@deity/falcon-server-env": "^1.0.0",
     "@deity/falcon-logger": "1.0.0",

packages/falcon-server/src/containers/ApiContainer.test.js

@@ -0,0 +1,31 @@
+const ApiContainer = require('./ApiContainer');
+
+const apis = [{ package: 'fake-backend-api', name: 'fake-api' }];
+
+describe('ApiContainer', () => {
+  it('Should register provided API DataSources', () => {
+    /** @type {ApiContainer} */
+    const container = new ApiContainer(apis);
+    expect(container.dataSources.size).toBe(1);
+    expect(container.endpoints).toHaveLength(1);
+
+    const apiInstance = container.dataSources.get('fake-api');
+    expect(apiInstance).toBeTruthy();
+    expect(apiInstance.name).toBe('fake-api');
+
+    const endpoint = container.endpoints[0];
+    expect(endpoint.path).toBe('/api/info');
+  });
+
+  it('Should do nothing for an empty API list', () => {
+    const container = new ApiContainer();
+    expect(container.dataSources.size).toBe(0);
+    expect(container.endpoints).toHaveLength(0);
+  });
+
+  it('Should not fail for missing API DataSource package', () => {
+    const container = new ApiContainer([{ package: 'foo-bar' }]);
+
+    expect(container.dataSources.size).toBe(0);
+  });
+});

packages/falcon-server/src/containers/ExtensionContainer.test.js

@@ -1,12 +1,6 @@
-global.__SERVER__ = true; // eslint-disable-line no-underscore-dangle
-
 const { mockServer } = require('graphql-tools');
-const Logger = require('@deity/falcon-logger');
 const ExtensionContainer = require('./ExtensionContainer');
 
-// disable logger for tests
-Logger.setLogLevel('error');
-
 const extensions = [
   {
     package: 'fake-shop-extension',
@@ -31,7 +25,7 @@ const mocks = {
   })
 };
 
-describe('ExtensionsContainer', () => {
+describe('ExtensionContainer', () => {
   let container;
 
   beforeEach(() => {

packages/falcon-server/src/containers/__mocks__/fake-backend-api/index.js

@@ -0,0 +1,13 @@
+const { ApiDataSource } = require('@deity/falcon-server-env');
+
+module.exports = class FakeBackendApi extends ApiDataSource {
+  getEndpoints() {
+    return [
+      {
+        path: '/api/info',
+        methods: ['get'],
+        handler: () => {}
+      }
+    ];
+  }
+};

packages/falcon-server/src/index.js

@@ -175,10 +175,11 @@ class FalconServer {
 
   start() {
     const handleStartupError = err => {
-      this.eventEmitter.emit(Events.ERROR, err);
-      Logger.error('FalconServer: Initialization error - cannot start the server');
-      Logger.error(err.stack);
-      process.exit(2);
+      this.eventEmitter.emitAsync(Events.ERROR, err).then(() => {
+        Logger.error('FalconServer: Initialization error - cannot start the server');
+        Logger.error(err.stack);
+        process.exit(2);
+      });
     };
 
     this.initialize()

test/nodeEnvSetupFile.js

@@ -0,0 +1,7 @@
+// eslint-disable-next-line no-underscore-dangle
+global.__SERVER__ = true;
+// eslint-disable-next-line import/no-extraneous-dependencies
+const Logger = require('@deity/falcon-logger');
+
+// disable logger for tests
+Logger.setLogLevel('error');