add tests for a middleware

Author: HugoDF

header-auth-middleware.jest-test.js

@@ -0,0 +1,47 @@
+const mockRequest = (authHeader, sessionData) => ({
+  get(name) {
+    if (name === 'authorization') return authHeader
+    return null
+  },
+  session: { data: sessionData }
+});
+
+const mockResponse = () => {
+  const res = {};
+  res.status = jest.fn().mockReturnValue(res);
+  res.json = jest.fn().mockReturnValue(res);
+  return res;
+};
+
+const headerAuthMiddleware = require('./header-auth-middleware');
+
+describe('headerAuthMiddleware', () => {
+  test('should set req.session.data if API key is in authorization and is valid', async () => {
+    const req = mockRequest('76b1e728-1c14-43f9-aa06-6de5cbc064c2');
+    const res = mockResponse();
+    await headerAuthMiddleware(req, res, () => {});
+
+    expect(req.session.data).toEqual({ username: 'hugo' });
+  });
+  test('should not do anything if req.session.data is already set', async () => {
+    const req = mockRequest('76b1e728-1c14-43f9-aa06-6de5cbc064c2', { username: 'guest' });
+    const res = mockResponse();
+    await headerAuthMiddleware(req, res, () => {});
+
+    expect(req.session.data).toEqual({ username: 'guest' });
+  });
+  test('should not do anything if authorization header is not present', async () => {
+    const req = mockRequest(undefined);
+    const res = mockResponse();
+    await headerAuthMiddleware(req, res, () => {});
+
+    expect(req.session.data).toBeUndefined();
+  });
+  test('should not do anything if api key is invalid', async () => {
+    const req = mockRequest('invalid-api-key');
+    const res = mockResponse();
+    await headerAuthMiddleware(req, res, () => {});
+
+    expect(req.session.data).toBeUndefined();
+  });
+});

header-auth-middleware.sinon-test.js

@@ -0,0 +1,55 @@
+const test = require('ava');
+const sinon = require('sinon');
+
+const mockRequest = (authHeader, sessionData) => ({
+  get(name) {
+    if (name === 'authorization') return authHeader
+    return null
+  },
+  session: { data: sessionData }
+});
+
+const mockResponse = () => {
+  const res = {};
+  res.status = sinon.stub().returns(res);
+  res.json = sinon.stub().returns(res);
+  return res;
+};
+
+const headerAuthMiddleware = require('./header-auth-middleware');
+
+
+test('should set req.session.data if API key is in authorization and is valid', async (t) => {
+  const req = mockRequest('76b1e728-1c14-43f9-aa06-6de5cbc064c2');
+  const res = mockResponse();
+  await headerAuthMiddleware(req, res, () => {});
+
+  t.deepEqual(
+    req.session.data,
+    { username: 'hugo' }
+  );
+});
+test('should not do anything if req.session.data is already set', async (t) => {
+  const req = mockRequest('76b1e728-1c14-43f9-aa06-6de5cbc064c2', { username: 'guest' });
+  const res = mockResponse();
+  await headerAuthMiddleware(req, res, () => {});
+
+  t.deepEqual(
+    req.session.data,
+    { username: 'guest' }
+  );
+});
+test('should not do anything if authorization header is not present', async (t) => {
+  const req = mockRequest(undefined);
+  const res = mockResponse();
+  await headerAuthMiddleware(req, res, () => {});
+
+  t.is(req.session.data, undefined);
+});
+test('should not do anything if api key is invalid', async (t) => {
+  const req = mockRequest('invalid-api-key');
+  const res = mockResponse();
+  await headerAuthMiddleware(req, res, () => {});
+
+  t.is(req.session.data, undefined);
+});

package.json

@@ -24,7 +24,7 @@
   },
   "ava": {
     "files": [
-      "./express-handlers.sinon-test.js"
+      "./*.sinon-test.js"
     ]
   },
   "jest": {