First commit

test/e2e/custom-assertions/elementCount.js

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+// A custom Nightwatch assertion.
+// the name of the method is the filename.
+// can be used in tests like this:
+//
+//   browser.assert.elementCount(selector, count)
+//
+// for how to write custom assertions see
+// http://nightwatchjs.org/guide#writing-custom-assertions
+exports.assertion = function (selector, count) {
+  this.message = 'Testing if element <' + selector + '> has count: ' + count
+  this.expected = count
+  this.pass = function (val) {
+    return val === this.expected
+  }
+  this.value = function (res) {
+    return res.value
+  }
+  this.command = function (cb) {
+    var self = this
+    return this.api.execute(function (selector) {
+      return document.querySelectorAll(selector).length
+    }, [selector], function (res) {
+      cb.call(self, res)
+    })
+  }
+}

test/e2e/nightwatch.conf.js

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+// http://nightwatchjs.org/guide#settings-file
+module.exports = {
+  'src_folders': ['test/e2e/specs'],
+  'output_folder': 'test/e2e/reports',
+  'custom_assertions_path': ['test/e2e/custom-assertions'],
+
+  'selenium': {
+    'start_process': true,
+    'server_path': require('selenium-server').path,
+    'host': '127.0.0.1',
+    'port': 4444,
+    'cli_args': {
+      'webdriver.chrome.driver': require('chromedriver').path,
+      'webdriver.geckodriver.driver': require('chromedriver').path
+    }
+  },
+
+  'test_settings': {
+    'default': {
+      'selenium_port': 4444,
+      'selenium_host': 'localhost',
+      'silent': true
+    },
+
+    'chrome': {
+      'desiredCapabilities': {
+        'browserName': 'chrome',
+        'javascriptEnabled': true,
+        'acceptSslCerts': true
+      }
+    },
+
+    'firefox': {
+      'desiredCapabilities': {
+        'browserName': 'firefox',
+        'javascriptEnabled': true,
+        'acceptSslCerts': true
+      }
+    }
+  }
+}

test/e2e/runner.js

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+// 1. start the dev server
+var server = require('../../build/dev-server.js')
+
+// 2. run the nightwatch test suite against it
+// to run in additional browsers:
+//    1. add an entry in test/e2e/nightwatch.conf.json under "test_settings"
+//    2. add it to the --env flag below
+// For more information on Nightwatch's config file, see
+// http://nightwatchjs.org/guide#settings-file
+var spawn = require('cross-spawn')
+var runner = spawn(
+  './node_modules/.bin/nightwatch',
+  [
+    '--config', 'test/e2e/nightwatch.conf.js',
+    '--env', 'chrome,firefox'
+  ],
+  {
+    stdio: 'inherit'
+  }
+)
+
+runner.on('exit', function (code) {
+  server.close()
+  process.exit(code)
+})
+
+runner.on('error', function (err) {
+  server.close()
+  throw err
+})

test/e2e/specs/test.js

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+// For authoring Nightwatch tests, see
+// http://nightwatchjs.org/guide#usage
+
+module.exports = {
+  'default e2e tests': function (browser) {
+    browser
+    .url('http://localhost:8080')
+      .waitForElementVisible('#app', 5000)
+      .assert.elementPresent('.logo')
+      .assert.containsText('h1', 'DASHBOARD Overview of environment')
+      .assert.elementCount('p', 4)
+      .end()
+  }
+}