test: add integration test

test/integration/courses.test.js

@@ -0,0 +1,31 @@
+/* global describe, test, expect */
+const app = require('../../app')
+const request = require('supertest')
+
+describe('courses', () => {
+  test('it should render a list of courses', () => {
+    return request(app).get('/courses')
+      .expect(200)
+      .then((response) => {
+        expect(response.text.match(/<h1>All Courses /)).toBeTruthy()
+      })
+  })
+  test('it should render a course', () => {
+    return request(app).get('/courses/headless-content-management-using-contentful')
+      .expect(200)
+      .then((response) => {
+        expect(response.text.match(/class="course__title"/)).toBeTruthy()
+      })
+  })
+  test('it should return 404 when a course does not exist', () => {
+    return request(app).get('/courses/dont-exist').expect(404)
+  })
+
+  test('it should render a lesson', () => {
+    return request(app).get('/courses/headless-content-management-using-contentful/lessons/content-from-your-idea-to-any-display')
+      .expect(200)
+      .then((response) => {
+        expect(response.text.match(/class="lesson__title"/)).toBeTruthy()
+      })
+  })
+})