feat(assert): assert cookie exists

src/Response/index.js

@@ -244,6 +244,34 @@ module.exports = function (Config) {
       return this
     }
 
+    /**
+     * Asserts the cookie exists.
+     *
+     * @method assertCookieExists
+     *
+     * @param  {String}     key
+     *
+     * @return {this}
+     */
+    assertCookieExists (key) {
+      this._assert.exists(this.cookies[key])
+      return this
+    }
+
+    /**
+     * Asserts the plain cookie exists
+     *
+     * @method assertPlainCookieExists
+     *
+     * @param  {String}          key
+     *
+     * @return {this}
+     */
+    assertPlainCookieExists (key) {
+      this._assert.exists(this.plainCookies[key])
+      return this
+    }
+
     /**
      * Assert header value
      *

test/unit/api-response.spec.js

@@ -137,6 +137,22 @@ test.group('Api Response', (group) => {
     server.close()
   })
 
+  test('assert response plain cookies exists', async (assert) => {
+    assert.plan(1)
+    const server = http.createServer((req, res) => {
+      nodeCookie.create(res, 'total', 20)
+      res.end()
+    }).listen(PORT)
+
+    const config = new Config()
+    const BaseResponse = BaseResponseManager(config)
+    const BaseRequest = BaseRequestManager(config)
+    const api = new ApiClient(BaseRequest, BaseResponse, assert)
+    const response = await api.get('/').end()
+    response.assertPlainCookieExists('total')
+    server.close()
+  })
+
   test('assert response encrypted cookies', async (assert) => {
     assert.plan(1)
     const config = new Config()
@@ -155,6 +171,24 @@ test.group('Api Response', (group) => {
     server.close()
   })
 
+  test('assert response encrypted cookies exists', async (assert) => {
+    assert.plan(1)
+    const config = new Config()
+    config.set('app.appKey', 'averylongrandomkey')
+
+    const server = http.createServer((req, res) => {
+      nodeCookie.create(res, 'total', 20, {}, config.get('app.appKey'), true)
+      res.end()
+    }).listen(PORT)
+
+    const BaseResponse = BaseResponseManager(config)
+    const BaseRequest = BaseRequestManager(config)
+    const api = new ApiClient(BaseRequest, BaseResponse, assert)
+    const response = await api.get('/').end()
+    response.assertCookieExists('total')
+    server.close()
+  })
+
   test('assert response error', async (assert) => {
     assert.plan(3)
     const config = new Config()