SLSCMN-8 email service tests

src/__fixtures__/email-service.fixture.ts

@@ -0,0 +1,7 @@
+import { Email } from '../services';
+
+export const emailFixture: Email = {
+  destinations: [{ to: ['[email protected]'] }],
+  templateName: 'template-name',
+  templateData: { foo: 'bar' },
+};

src/services/__tests__/email-service.test.ts

@@ -0,0 +1,32 @@
+import EmailService from '../email-service';
+
+import SQSService from '../sqs-service';
+import { emailFixture } from '../../__fixtures__/email-service.fixture';
+
+describe('EmailService', () => {
+  const QUEUE_URL = 'queue-url';
+  const sendSpy = jest.spyOn(SQSService, 'sendMessage');
+
+  beforeEach(() => {
+    sendSpy.mockResolvedValue({ $metadata: {} });
+  });
+
+  it('should be defined', () => {
+    expect(EmailService).toBeDefined();
+    expect(EmailService.send).toBeDefined();
+  });
+
+  it('should send email', async () => {
+    await EmailService.send(emailFixture, QUEUE_URL);
+
+    expect(sendSpy).toHaveBeenCalledTimes(1);
+    expect(sendSpy).toHaveBeenCalledWith({
+      QueueUrl: QUEUE_URL,
+      MessageBody: JSON.stringify({
+        data: emailFixture.templateData,
+        destinations: emailFixture.destinations,
+        template: emailFixture.templateName,
+      }),
+    });
+  });
+});