replace casperjs with selenium

tests/integration/login.py

@@ -0,0 +1,22 @@
+import integration as common
+import unittest
+
+class LoginTestCase(unittest.TestCase):
+
+  def setUp(self):
+    self.browser = common.getLoggedInstance()
+    self.assertIsNotNone(self.browser)
+    self.addCleanup(self.browser.quit)
+
+  def testLogin(self):
+    self.assertRegexpMatches(self.browser.current_url, common.HOME_URL)
+
+  def testLogout(self):
+    myinfo_bar = self.browser.find_element_by_css_selector('#my-info')
+    logout_input = self.browser.find_element_by_css_selector('a#logout')
+    myinfo_bar.click()
+    logout_input.click()
+    self.assertRegexpMatches(self.browser.current_url, common.LOGOUT_URL)
+
+if __name__ == '__main__':
+  unittest.main(verbosity=2)