start

src/api/__tests__/user-api.test.ts

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+import { createUser, fetchUser } from '../user';
+import { mockFailureResponse } from '../../mocks/server';
+import { APIErrorType } from '../index';
+import { mockedCreateUserData } from '../../mocks/data';
+
+describe('fetchUser api', () => {
+  test('successful fetching user', async () => {
+    const response = await fetchUser();
+
+    expect(response).toBeDefined();
+    expect(response).toHaveProperty('id');
+    expect(response).toHaveProperty('name');
+    expect(response).toHaveProperty('mobile');
+  });
+
+  test('failure fetching user', async () => {
+    mockFailureResponse();
+    try {
+      await fetchUser();
+      // Fail test if above expression doesn't throw anything.
+      expect(true).toBe(false);
+    } catch (e) {
+      const error = e as APIErrorType;
+      expect(error.status).toBe(500);
+    }
+  });
+});
+
+describe('create user api', () => {
+  const data = mockedCreateUserData;
+
+  test('successful creating user', async () => {
+    const response = await createUser(data);
+
+    expect(response).toBeDefined();
+    expect(response).toHaveProperty('id');
+    expect(response).toMatchObject({ name: `${data.firstName} ${data.lastName}` });
+    expect(response).toMatchObject({ mobile: data.mobile });
+  });
+
+  test('failure creating user', async () => {
+    mockFailureResponse();
+    try {
+      await createUser(data);
+      // Fail test if above expression doesn't throw anything.
+      expect(true).toBe(false);
+    } catch (e) {
+      const error = e as APIErrorType;
+      expect(error.status).toBe(500);
+    }
+  });
+});