Add threading to slack notification module (#47333)

* Add threading to slack notification module

* Fix sanity check

* Change thread_ts to thread_id

test/units/modules/notification/test_slack.py

@@ -0,0 +1,85 @@
+import json
+import pytest
+from units.compat.mock import patch
+from ansible.modules.notification import slack
+from units.modules.utils import AnsibleExitJson, AnsibleFailJson, ModuleTestCase, set_module_args
+from ansible import module_utils
+
+
+class TestSlackModule(ModuleTestCase):
+
+    def setUp(self):
+        super(TestSlackModule, self).setUp()
+        self.module = slack
+
+    def tearDown(self):
+        super(TestSlackModule, self).tearDown()
+
+    @pytest.fixture
+    def fetch_url_mock(self, mocker):
+        return mocker.patch('ansible.module_utils.notification.slack.fetch_url')
+
+    def test_without_required_parameters(self):
+        """Failure must occurs when all parameters are missing"""
+        with self.assertRaises(AnsibleFailJson):
+            set_module_args({})
+            self.module.main()
+
+    def test_invalid_old_token(self):
+        """Failure if there is an old style token"""
+        set_module_args({
+            'token': 'test',
+        })
+        with self.assertRaises(AnsibleFailJson):
+            self.module.main()
+
+    def test_sucessful_message(self):
+        """tests sending a message. This is example 1 from the docs"""
+        set_module_args({
+            'token': 'XXXX/YYYY/ZZZZ',
+            'msg': 'test'
+        })
+
+        with patch.object(slack, "fetch_url") as fetch_url_mock:
+            fetch_url_mock.return_value = (None, {"status": 200})
+            with self.assertRaises(AnsibleExitJson):
+                self.module.main()
+
+            self.assertTrue(fetch_url_mock.call_count, 1)
+            call_data = json.loads(fetch_url_mock.call_args[1]['data'])
+            assert call_data['username'] == "Ansible"
+            assert call_data['text'] == "test"
+            assert fetch_url_mock.call_args[1]['url'] == "https://hooks.slack.com/services/XXXX/YYYY/ZZZZ"
+
+    def test_failed_message(self):
+        """tests failing to send a message"""
+
+        set_module_args({
+            'token': 'XXXX/YYYY/ZZZZ',
+            'msg': 'test'
+        })
+
+        with patch.object(slack, "fetch_url") as fetch_url_mock:
+            fetch_url_mock.return_value = (None, {"status": 404, 'msg': 'test'})
+            with self.assertRaises(AnsibleFailJson):
+                self.module.main()
+
+    def test_message_with_thread(self):
+        """tests sending a message with a thread"""
+        set_module_args({
+            'token': 'XXXX/YYYY/ZZZZ',
+            'msg': 'test',
+            'thread_id': 100.00
+        })
+
+        with patch.object(slack, "fetch_url") as fetch_url_mock:
+            fetch_url_mock.return_value = (None, {"status": 200})
+            with self.assertRaises(AnsibleExitJson):
+                self.module.main()
+
+            self.assertTrue(fetch_url_mock.call_count, 1)
+            call_data = json.loads(fetch_url_mock.call_args[1]['data'])
+            assert call_data['username'] == "Ansible"
+            assert call_data['text'] == "test"
+            assert call_data['thread_ts'] == 100.00
+            assert fetch_url_mock.call_args[1]['url'] == "https://hooks.slack.com/services/XXXX/YYYY/ZZZZ"