Adding a smoke test for DataSaver

tools/chrome_proxy/webdriver/smoke.py

Index: tools/chrome_proxy/webdriver/smoke.py
diff --git a/tools/chrome_proxy/webdriver/smoke.py b/tools/chrome_proxy/webdriver/smoke.py
index b54dd7fc22424559aff65f2649f7890f10a07180..e837e1d380403b10e17c2f6329ccd7e68ec3b3ad 100644
--- a/tools/chrome_proxy/webdriver/smoke.py
+++ b/tools/chrome_proxy/webdriver/smoke.py
@@ -30,6 +30,14 @@ class Smoke(IntegrationTest):
       self.assertEqual(2, len(responses))
       for response in responses:
         self.assertHasChromeProxyViaHeader(response)
+  
+  # Ensure Chrome uses DataSaver in normal mode.
+  def testCheckPageWithNormalMode(self):
+    with TestDriver() as t:
+      t.AddChromeArg('--enable-spdy-proxy-auth')
+      t.LoadURL('http://check.googlezip.net/test.html')
+      for response in t.GetHTTPResponses():

[RyanSturm, 2017/03/10 19:00:37]

Can you check that GetHTTPResonses() is non empty?

responses = t.GetHTTPResponses()
self.assertNotEqual(0, len(responses))
for response in responses:

+        self.assertHasChromeProxyViaHeader(response)
 
 if __name__ == '__main__':
   IntegrationTest.RunAllTests()