integrations: Modify solano labs integration.

This adds support for the "running" status and adds a test fixture.

zerver/fixtures/solano/solano_received.json

@@ -0,0 +1,21 @@
+{
+    "event": "received",
+    "timestamp": "2017-01-02T18:23:06+00:00",
+    "session": 3317799,
+    "profile_name": "default",
+    "url": "https:\/\/ci.solanolabs.com:443\/reports\/3317799",
+    "commit_id": "191d34f9da8ff7279b051cd68e44223253e18408",
+    "committers": [
+        "solano-ci[bot]@users.noreply.github.com"
+    ],
+    "status": "running",
+    "branch": "master",
+    "ref": "refs\/heads\/master",
+    "repository": {
+        "name": "scipy",
+        "url": "ssh:\/\/git@github.com\/anirudhjain75\/scipy",
+        "org_name": "anirudhjain75"
+    },
+    "gen": 1,
+    "xid": "8c7f63bf9"
+}

zerver/tests/webhooks/test_solano.py

@@ -37,6 +37,21 @@ class SolanoHookTests(WebhookTestCase):
         self.send_and_test_stream_message('build_002', expected_topic, expected_message,
                                           content_type="application/x-www-form-urlencoded")
 
+    def test_solano_message_received(self):
+        # type: () -> None
+        """
+        Build notifications are generated by Solano Labs after build completes.
+        """
+        expected_topic = u'build update'
+        expected_message = (u"Author: solano-ci[bot]@users.noreply.github.com\n"
+                            u"Commit: [191d34f9da8ff7279b051cd68e44223253e18408]"
+                            u"(github.com/anirudhjain75/scipy/commit/191d34f9da8ff7279b051cd"
+                            u"68e44223253e18408)\nBuild status: running :arrows_counterclockwise:\n"
+                            u"[Build Log](https://ci.solanolabs.com:443/reports/3317799)")
+
+        self.send_and_test_stream_message('received', expected_topic, expected_message,
+                                          content_type="application/x-www-form-urlencoded")
+
     def get_body(self, fixture_name):
         # type: (Text) -> Text
         return self.fixture_data(self.FIXTURE_DIR_NAME, fixture_name, file_type="json")

zerver/views/webhooks/solano.py

@@ -35,11 +35,14 @@ def api_solano_webhook(request, user_profile, client,
 
     good_status = ['passed']
     bad_status  = ['failed', 'error']
+    neutral_status = ['running']
     emoji = ''
     if status in good_status:
         emoji = ':thumbsup:'
     elif status in bad_status:
         emoji = ':thumbsdown:'
+    elif status in neutral_status:
+        emoji = ':arrows_counterclockwise:'
     else:
         emoji = "(No emoji specified for status '%s'.)" % (status)