Use mock in SlackChannelTestCase

tests/tests/backends/test_slack.py

@@ -1,9 +1,14 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from copy import deepcopy
+try:
+    from unittest import mock
+except ImportError:
+    import mock
 
 from django.conf import settings
 from django.test import TestCase
+import requests
 
 from channels.backends.slack import SlackChannel
 from channels.exceptions import HttpError, ImproperlyConfigured
@@ -17,16 +22,18 @@ def setUp(self):
         self.channel = SlackChannel(**config)
 
     def test_init(self):
-        with self.assertRaises(TypeError):
-            SlackChannel(**{})
-
         with self.assertRaises(ImproperlyConfigured):
             conf = deepcopy(config)
             conf["icon_emoji"] = ":+1:"
             conf["icon_url"] = "http://www.example.com/"
             SlackChannel(**conf)
 
-    def test_send(self):
+    @mock.patch("requests.post")
+    def test_send(self, m):
+        response = requests.Response()
+        response.status_code = requests.codes.ok
+        m.return_value = response
+
         self.channel.send("Test message.\nhttps://slack.com/")
 
         self.channel.send("Test message. `unfurl_links=True`\n"
@@ -67,12 +74,13 @@ def test_send(self):
             }
         })
 
-    def test_send_fail(self):
-        conf = deepcopy(config)
-        conf["url"] = "https://hooks.slack.com/services/123/456/7890"
-        channel = SlackChannel(**conf)
+    @mock.patch("requests.post")
+    def test_send_fail_invalid_url(self, m):
+        response = requests.Response()
+        response.status_code = requests.codes.forbidden
+        m.return_value = response
 
         with self.assertRaises(HttpError):
-            channel.send("Test message", fail_silently=False)
+            self.channel.send("Test message", fail_silently=False)
 
-        channel.send("Test message", fail_silently=True)
+        self.channel.send("Test message", fail_silently=True)