Add tests for plume webserver (#513)

* begin setup front-end test environment with selenium
* run migrations before tests
* use https for tests

script/browser_test/instance.py

@@ -0,0 +1,7 @@
+#!/usr/bin/python3
+from utils import Browser
+
+class InstanceName(Browser):
+    def test_name_in_title(self):
+        self.get("/")
+        self.assertIn("plume-test", self.driver.title)

script/browser_test/utils.py

@@ -0,0 +1,22 @@
+#!/usr/bin/python3
+import unittest,os
+from selenium import webdriver
+from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
+
+class Browser(unittest.TestCase):
+    def setUp(self):
+        if os.environ["BROWSER"] == "firefox":
+            capabilities=DesiredCapabilities.FIREFOX
+        elif os.environ["BROWSER"] == "chrome":
+            capabilities=DesiredCapabilities.CHROME
+        else:
+            raise Exception("No browser was requested")
+        capabilities['acceptSslCerts'] = True
+        self.driver = webdriver.Remote(
+            command_executor='http://localhost:24444/wd/hub',
+            desired_capabilities=capabilities)
+    def tearDown(self):
+        self.driver.close()
+
+    def get(self, url):
+        return self.driver.get("https://localhost" + url)