Set default port for Mattermost notifications (#1293)

apprise/plugins/mattermost.py

@@ -205,6 +205,10 @@ class NotifyMattermost(NotifyBase):
         # Set our user
         payload['username'] = self.user if self.user else self.app_id
 
+        port = ''
+        if self.port is not None:
+            port = ':{}'.format(self.port)
+
         # For error tracking
         has_error = False
 
@@ -215,8 +219,8 @@ class NotifyMattermost(NotifyBase):
             if channel:
                 payload['channel'] = channel
 
-            url = '{}://{}:{}{}/hooks/{}'.format(
+            url = '{}://{}{}{}/hooks/{}'.format(
-                self.schema, self.host, self.port,
+                self.schema, self.host, port,
                 self.fullpath.rstrip('/'), self.token)
 
             self.logger.debug('Mattermost POST URL: %s (cert_verify=%r)' % (

test/test_plugin_mattermost.py

@@ -199,3 +199,28 @@ def test_plugin_mattermost_channels(request_mock):
     assert posted_json['username'] == 'user1'
     assert posted_json['channel'] == 'two'
     assert posted_json['text'] == 'title\r\nbody'
+
+
+def test_mattermost_post_default_port(request_mock):
+    # Test token
+    token = 'token'
+
+    # Instantiate our URL
+    obj = Apprise.instantiate(
+        'mmosts://mattermost.example.com/{token}'.format(
+            token=token)
+    )
+
+    assert isinstance(obj, NotifyMattermost)
+    assert obj.notify(body="body", title='title') is True
+
+    # Make sure we don't use port if not provided
+    assert request_mock.called is True
+    assert request_mock.call_count == 1
+    assert request_mock.call_args_list[0][0][0].startswith(
+        'https://mattermost.example.com/hooks/token')
+
+    # Our Posted JSON Object
+    posted_json = json.loads(request_mock.call_args_list[0][1]['data'])
+    assert 'text' in posted_json
+    assert posted_json['text'] == 'title\r\nbody'