Merge pull request #68 from ubclaunchpad/rmcreyes/#29-event-handler

Rmcreyes/#29 event handler

command/core.py

@@ -0,0 +1,26 @@
+"""Calls the appropriate handler depending on the event data."""
+from command.commands.user import UserCommand
+
+
+class Core:
+    """Encapsulate methods for handling events."""
+
+    def __init__(self):
+        """Initialize the dictionary of command handlers."""
+        self.__commands = {}
+        self.__commands["user"] = UserCommand()
+
+    def handle_app_mention(self, event_data):
+        """Handle the events associated with mentions of @rocket."""
+        message = event_data["event"]["text"]
+        s = message.split(' ', 2)
+        if s[0] != "@rocket":
+            return 0
+        else:
+            command_type = s[1]
+            command = command_type + ' ' + s[2]
+            try:
+                self.__commands[command_type].handle(command)
+                return 1
+            except KeyError:
+                return -1

tests/command/core_test.py

@@ -0,0 +1,74 @@
+"""Test the core event handler."""
+from unittest import mock
+from command.core import Core
+
+
+def test_handle_invalid_mention():
+    """Test the instance of handle_app_mention being called inappropriately."""
+    event = {
+        "token": "XXYYZZ",
+        "team_id": "TXXXXXXXX",
+        "api_app_id": "AXXXXXXXXX",
+        "event": {
+            "type": "app_mention",
+            "user": "U061F7AUR",
+            "text": "hello world",
+            "ts": "1515449522.000016",
+            "channel": "C0LAN2Q65",
+            "event_ts": "1515449522000016"
+        },
+        "type": "app_mention",
+        "authed_users": ["UXXXXXXX1", "UXXXXXXX2"],
+        "event_id": "Ev08MFMKH6",
+        "event_time": 1234567890
+    }
+    core = Core()
+    assert core.handle_app_mention(event) == 0
+
+
+def test_handle_invalid_command():
+    """Test that invalid commands are being handled appropriately."""
+    event = {
+        "token": "XXYYZZ",
+        "team_id": "TXXXXXXXX",
+        "api_app_id": "AXXXXXXXXX",
+        "event": {
+            "type": "app_mention",
+            "user": "U061F7AUR",
+            "text": "@rocket fake command",
+            "ts": "1515449522.000016",
+            "channel": "C0LAN2Q65",
+            "event_ts": "1515449522000016"
+        },
+        "type": "app_mention",
+        "authed_users": ["UXXXXXXX1", "UXXXXXXX2"],
+        "event_id": "Ev08MFMKH6",
+        "event_time": 123456789
+    }
+    core = Core()
+    assert core.handle_app_mention(event) == -1
+
+
+@mock.patch('command.core.UserCommand')
+def test_handle_user_command(MockUserCommand):
+    """Test that UserCommand.handle is called appropriately."""
+    event = {
+        "token": "XXYYZZ",
+        "team_id": "TXXXXXXXX",
+        "api_app_id": "AXXXXXXXXX",
+        "event": {
+            "type": "app_mention",
+            "user": "U061F7AUR",
+            "text": "@rocket user name",
+            "ts": "1515449522.000016",
+            "channel": "C0LAN2Q65",
+            "event_ts": "1515449522000016"
+        },
+        "type": "app_mention",
+        "authed_users": ["UXXXXXXX1", "UXXXXXXX2"],
+        "event_id": "Ev08MFMKH6",
+        "event_time": 1234567890
+    }
+    core = Core()
+    assert core.handle_app_mention(event) == 1
+    MockUserCommand.return_value.handle.assert_called_once_with("user name")