test: add integration test

app.js

@@ -34,7 +34,7 @@ app.use(breadcrumb())
 
 // Pass our application state and custom helpers to all our templates
 app.use(async function (req, res, next) {
-  // Inject ucstom helpers
+  // Inject custom helpers
   res.locals.helpers = helpers
 
   // Express query string

package.json

@@ -6,7 +6,9 @@
     "start:watch": "nodemon ./bin/www --ignore public/",
     "start": "node ./bin/www",
     "lint": "eslint ./app.js routes",
-    "format": "eslint --fix . bin --ignore public node_modules"
+    "format": "eslint --fix . bin --ignore public node_modules",
+    "test:integration": "jest test/integration",
+    "test:integration:watch": "jest test/integration --watch"
   },
   "engines": {
     "node": ">=8.4.0"
@@ -30,7 +32,10 @@
     "eslint-config-standard": "^6.2.1",
     "eslint-plugin-promise": "^3.4.2",
     "eslint-plugin-standard": "^2.0.1",
+    "jest": "^21.2.1",
     "nodemon": "^1.12.1",
-    "pug-lint": "^2.5.0"
+    "pug-lint": "^2.5.0",
+    "superagent": "^3.6.3",
+    "supertest": "^3.0.0"
   }
 }

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()
+      })
+  })
+})

test/integration/index.test.js

@@ -0,0 +1,9 @@
+/* global describe, test */
+const app = require('../../app')
+const request = require('supertest')
+
+describe('Home page', () => {
+  test('it should render the landing page', () => {
+    return request(app).get('/').expect(200)
+  })
+})