Test message 1
") self.assertEqual(scheduled_message.topic_name(), "Test topic") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(scheduled_delivery_timestamp), ) # Scheduling a direct message with user IDs is successful. othello = self.example_user("othello") result = self.do_schedule_message( "direct", [othello.id], content + " 3", scheduled_delivery_timestamp ) scheduled_message = self.last_scheduled_message() self.assert_json_success(result) self.assertEqual(scheduled_message.content, "Test message 3") self.assertEqual(scheduled_message.rendered_content, "Test message 3
") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(scheduled_delivery_timestamp), ) # Cannot schedule a direct message with user emails. result = self.do_schedule_message( "direct", [othello.email], content + " 4", scheduled_delivery_timestamp ) self.assert_json_error(result, 'to["int"] is not an integer') def create_scheduled_message(self) -> None: content = "Test message" scheduled_delivery_datetime = timezone_now() + timedelta(minutes=5) scheduled_delivery_timestamp = int(scheduled_delivery_datetime.timestamp()) verona_stream_id = self.get_stream_id("Verona") result = self.do_schedule_message( "channel", verona_stream_id, content + " 1", scheduled_delivery_timestamp ) self.assert_json_success(result) def test_successful_deliver_stream_scheduled_message(self) -> None: # No scheduled message result = try_deliver_one_scheduled_message() self.assertFalse(result) self.create_scheduled_message() scheduled_message = self.last_scheduled_message() # mock current time to be greater than the scheduled time, so that the `scheduled_message` can be sent. more_than_scheduled_delivery_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=1 ) with ( time_machine.travel(more_than_scheduled_delivery_datetime, tick=False), self.assertLogs(level="INFO") as logs, ): result = try_deliver_one_scheduled_message() self.assertTrue(result) self.assertEqual( logs.output, [ f"INFO:root:Sending scheduled message {scheduled_message.id} with date {scheduled_message.scheduled_timestamp} (sender: {scheduled_message.sender_id})" ], ) scheduled_message.refresh_from_db() assert isinstance(scheduled_message.delivered_message_id, int) self.assertEqual(scheduled_message.delivered, True) self.assertEqual(scheduled_message.failed, False) delivered_message = Message.objects.get(id=scheduled_message.delivered_message_id) self.assertEqual(delivered_message.content, scheduled_message.content) self.assertEqual(delivered_message.rendered_content, scheduled_message.rendered_content) self.assertEqual(delivered_message.topic_name(), scheduled_message.topic_name()) self.assertEqual(delivered_message.date_sent, more_than_scheduled_delivery_datetime) def test_successful_deliver_direct_scheduled_message(self) -> None: # No scheduled message self.assertFalse(try_deliver_one_scheduled_message()) content = "Test message" scheduled_delivery_datetime = timezone_now() + timedelta(minutes=5) scheduled_delivery_timestamp = int(scheduled_delivery_datetime.timestamp()) sender = self.example_user("hamlet") othello = self.example_user("othello") response = self.do_schedule_message( "direct", [othello.id], content + " 3", scheduled_delivery_timestamp ) self.assert_json_success(response) scheduled_message = self.last_scheduled_message() # mock current time to be greater than the scheduled time. more_than_scheduled_delivery_datetime = scheduled_delivery_datetime + timedelta(minutes=1) with ( time_machine.travel(more_than_scheduled_delivery_datetime, tick=False), self.assertLogs(level="INFO") as logs, ): result = try_deliver_one_scheduled_message() self.assertTrue(result) self.assertEqual( logs.output, [ f"INFO:root:Sending scheduled message {scheduled_message.id} with date {scheduled_message.scheduled_timestamp} (sender: {scheduled_message.sender_id})" ], ) scheduled_message.refresh_from_db() assert isinstance(scheduled_message.delivered_message_id, int) self.assertEqual(scheduled_message.delivered, True) self.assertEqual(scheduled_message.failed, False) delivered_message = Message.objects.get(id=scheduled_message.delivered_message_id) self.assertEqual(delivered_message.content, scheduled_message.content) self.assertEqual(delivered_message.rendered_content, scheduled_message.rendered_content) self.assertEqual(delivered_message.date_sent, more_than_scheduled_delivery_datetime) sender_user_message = UserMessage.objects.get( message_id=scheduled_message.delivered_message_id, user_profile_id=sender.id ) self.assertTrue(sender_user_message.flags.read) # Check error is sent if an edit happens after the scheduled # message is successfully sent. new_delivery_datetime = timezone_now() + timedelta(minutes=7) new_delivery_timestamp = int(new_delivery_datetime.timestamp()) content = "New message content" payload = { "content": content, "scheduled_delivery_timestamp": new_delivery_timestamp, } updated_response = self.client_patch( f"/json/scheduled_messages/{scheduled_message.id}", payload ) self.assert_json_error(updated_response, "Scheduled message was already sent") def test_successful_deliver_direct_scheduled_message_to_self(self) -> None: # No scheduled message self.assertFalse(try_deliver_one_scheduled_message()) content = "Test message to self" scheduled_delivery_datetime = timezone_now() + timedelta(minutes=5) scheduled_delivery_timestamp = int(scheduled_delivery_datetime.timestamp()) sender = self.example_user("hamlet") response = self.do_schedule_message( "direct", [sender.id], content, scheduled_delivery_timestamp ) self.assert_json_success(response) scheduled_message = self.last_scheduled_message() # mock current time to be greater than the scheduled time. more_than_scheduled_delivery_datetime = scheduled_delivery_datetime + timedelta(minutes=1) with ( time_machine.travel(more_than_scheduled_delivery_datetime, tick=False), self.assertLogs(level="INFO") as logs, ): result = try_deliver_one_scheduled_message() self.assertTrue(result) self.assertEqual( logs.output, [ f"INFO:root:Sending scheduled message {scheduled_message.id} with date {scheduled_message.scheduled_timestamp} (sender: {scheduled_message.sender_id})" ], ) scheduled_message.refresh_from_db() assert isinstance(scheduled_message.delivered_message_id, int) self.assertEqual(scheduled_message.delivered, True) self.assertEqual(scheduled_message.failed, False) delivered_message = Message.objects.get(id=scheduled_message.delivered_message_id) self.assertEqual(delivered_message.content, scheduled_message.content) self.assertEqual(delivered_message.rendered_content, scheduled_message.rendered_content) self.assertEqual(delivered_message.date_sent, more_than_scheduled_delivery_datetime) sender_user_message = UserMessage.objects.get( message_id=scheduled_message.delivered_message_id, user_profile_id=sender.id ) self.assertFalse(sender_user_message.flags.read) def verify_deliver_scheduled_message_failure( self, scheduled_message: ScheduledMessage, expected_failure_message: str ) -> None: with self.assertLogs(level="INFO") as logs: result = try_deliver_one_scheduled_message() self.assertTrue(result) scheduled_message.refresh_from_db() self.assertEqual(scheduled_message.failure_message, expected_failure_message) self.assertEqual( logs.output, [ f"INFO:root:Sending scheduled message {scheduled_message.id} with date {scheduled_message.scheduled_timestamp} (sender: {scheduled_message.sender_id})", f"INFO:root:Failed with message: {scheduled_message.failure_message}", ], ) self.assertTrue(scheduled_message.failed) def test_too_late_to_deliver_scheduled_message(self) -> None: expected_failure_message = "Message could not be sent at the scheduled time." self.create_scheduled_message() scheduled_message = self.last_scheduled_message() too_late_to_send_message_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=SCHEDULED_MESSAGE_LATE_CUTOFF_MINUTES + 1 ) with time_machine.travel(too_late_to_send_message_datetime, tick=False): self.verify_deliver_scheduled_message_failure( scheduled_message, expected_failure_message ) # Verify that the user was sent a message informing them about # the failed scheduled message. realm = scheduled_message.realm msg = most_recent_message(scheduled_message.sender) self.assertEqual(msg.recipient.type, msg.recipient.PERSONAL) self.assertEqual(msg.sender_id, self.notification_bot(realm).id) self.assertIn(expected_failure_message, msg.content) def test_realm_deactivated_failed_to_deliver_scheduled_message(self) -> None: expected_failure_message = "This organization has been deactivated" self.create_scheduled_message() scheduled_message = self.last_scheduled_message() # Verify realm isn't deactivated and get user's most recent # message. self.assertFalse(scheduled_message.realm.deactivated) message_before_deactivation = most_recent_message(scheduled_message.sender) more_than_scheduled_delivery_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=1 ) with time_machine.travel(more_than_scheduled_delivery_datetime, tick=False): scheduled_message = self.last_scheduled_message() scheduled_message.realm.deactivated = True scheduled_message.realm.save() self.verify_deliver_scheduled_message_failure( scheduled_message, expected_failure_message ) # Verify that no failed scheduled message notification was sent. self.assertTrue(scheduled_message.realm.deactivated) message_after_deactivation = most_recent_message(scheduled_message.sender) self.assertEqual(message_after_deactivation.content, message_before_deactivation.content) self.assertNotIn(expected_failure_message, message_after_deactivation.content) def test_sender_deactivated_failed_to_deliver_scheduled_message(self) -> None: expected_failure_message = "Account is deactivated" self.create_scheduled_message() scheduled_message = self.last_scheduled_message() # Verify user isn't deactivated and get user's most recent # message. self.assertTrue(scheduled_message.sender.is_active) message_before_deactivation = most_recent_message(scheduled_message.sender) more_than_scheduled_delivery_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=1 ) with time_machine.travel(more_than_scheduled_delivery_datetime, tick=False): scheduled_message = self.last_scheduled_message() change_user_is_active(scheduled_message.sender, False) self.verify_deliver_scheduled_message_failure( scheduled_message, expected_failure_message ) # Verify that no failed scheduled message notification was sent. self.assertFalse(scheduled_message.sender.is_active) message_after_deactivation = most_recent_message(scheduled_message.sender) self.assertEqual(message_after_deactivation.content, message_before_deactivation.content) self.assertNotIn(expected_failure_message, message_after_deactivation.content) def test_delivery_type_reminder_failed_to_deliver_scheduled_message_unknown_exception( self, ) -> None: self.create_scheduled_message() scheduled_message = self.last_scheduled_message() more_than_scheduled_delivery_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=1 ) with time_machine.travel(more_than_scheduled_delivery_datetime, tick=False): scheduled_message = self.last_scheduled_message() scheduled_message.delivery_type = ScheduledMessage.REMIND scheduled_message.save() with self.assertLogs(level="INFO") as logs: result = try_deliver_one_scheduled_message() self.assertTrue(result) scheduled_message.refresh_from_db() self.assert_length(logs.output, 2) self.assertEqual( logs.output[0], f"INFO:root:Sending scheduled message {scheduled_message.id} with date {scheduled_message.scheduled_timestamp} (sender: {scheduled_message.sender_id})", ) self.assertTrue( logs.output[1].startswith( f"ERROR:root:Unexpected error sending scheduled message {scheduled_message.id} (sent: {scheduled_message.delivered})\nTraceback (most recent call last)" ) ) self.assertTrue(scheduled_message.failed) # Verify that the user was sent a message informing them about # the failed scheduled message. realm = scheduled_message.realm msg = most_recent_message(scheduled_message.sender) self.assertEqual(msg.recipient.type, msg.recipient.PERSONAL) self.assertEqual(msg.sender_id, self.notification_bot(realm).id) self.assertIn("Internal server error", msg.content) def test_editing_failed_send_scheduled_message(self) -> None: expected_failure_message = "Message could not be sent at the scheduled time." self.create_scheduled_message() scheduled_message = self.last_scheduled_message() too_late_to_send_message_datetime = scheduled_message.scheduled_timestamp + timedelta( minutes=SCHEDULED_MESSAGE_LATE_CUTOFF_MINUTES + 1 ) with time_machine.travel(too_late_to_send_message_datetime, tick=False): self.verify_deliver_scheduled_message_failure( scheduled_message, expected_failure_message ) # After verifying the scheduled message failed to be sent: # Confirm not updating the scheduled delivery timestamp for # the scheduled message with that ID returns an error. payload_without_timestamp = {"topic": "Failed to send"} response = self.client_patch( f"/json/scheduled_messages/{scheduled_message.id}", payload_without_timestamp ) self.assert_json_error(response, "Scheduled delivery time must be in the future.") # Editing the scheduled message with that ID for a future time is # successful and resets the `failed` and `failure_message` fields. new_delivery_datetime = timezone_now() + timedelta(minutes=60) new_delivery_timestamp = int(new_delivery_datetime.timestamp()) scheduled_message_id = scheduled_message.id payload_with_timestamp = { "scheduled_delivery_timestamp": new_delivery_timestamp, } response = self.client_patch( f"/json/scheduled_messages/{scheduled_message.id}", payload_with_timestamp ) self.assert_json_success(response) scheduled_message = self.last_scheduled_message() self.assertEqual(scheduled_message.id, scheduled_message_id) self.assertFalse(scheduled_message.failed) self.assertIsNone(scheduled_message.failure_message) def test_scheduling_in_past(self) -> None: # Scheduling a message in past should fail. content = "Test message" verona_stream_id = self.get_stream_id("Verona") scheduled_delivery_timestamp = int(time.time() - 86400) result = self.do_schedule_message( "channel", verona_stream_id, content + " 1", scheduled_delivery_timestamp ) self.assert_json_error(result, "Scheduled delivery time must be in the future.") def test_edit_schedule_message(self) -> None: content = "Original test message" scheduled_delivery_timestamp = int(time.time() + 86400) verona_stream_id = self.get_stream_id("Verona") # Scheduling a message to a stream you are subscribed is successful. result = self.do_schedule_message( "channel", verona_stream_id, content, scheduled_delivery_timestamp ) scheduled_message = self.last_scheduled_message() self.assert_json_success(result) self.assertEqual(scheduled_message.recipient.type, Recipient.STREAM) self.assertEqual(scheduled_message.content, "Original test message") self.assertEqual(scheduled_message.topic_name(), "Test topic") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(scheduled_delivery_timestamp), ) scheduled_message_id = scheduled_message.id payload: dict[str, Any] # Edit message with other stream message type ("stream") and no other changes # results in no changes to the scheduled message. payload = { "type": "stream", "to": orjson.dumps(verona_stream_id).decode(), "topic": "Test topic", } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message_id)) self.assertEqual(scheduled_message.recipient.type, Recipient.STREAM) self.assertEqual(scheduled_message.stream_id, verona_stream_id) self.assertEqual(scheduled_message.content, "Original test message") self.assertEqual(scheduled_message.topic_name(), "Test topic") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(scheduled_delivery_timestamp), ) # Sending request with only scheduled message ID returns an error result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}") self.assert_json_error(result, "Nothing to change") # Trying to edit only message `type` returns an error payload = { "type": "direct", } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_error( result, "Recipient required when updating type of scheduled message." ) # Edit message `type` with valid `to` parameter succeeds othello = self.example_user("othello") to = [othello.id] payload = {"type": "direct", "to": orjson.dumps(to).decode()} result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message_id)) self.assertNotEqual(scheduled_message.recipient.type, Recipient.STREAM) # Trying to edit `topic` for direct message is ignored payload = { "topic": "Direct message topic", } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message_id)) self.assertEqual(scheduled_message.topic_name(), "") # Trying to edit `type` to stream message type without a `topic` returns an error payload = { "type": "channel", "to": orjson.dumps(verona_stream_id).decode(), } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_error( result, "Topic required when updating scheduled message type to channel." ) # Edit message `type` to stream with valid `to` and `topic` succeeds payload = { "type": "channel", "to": orjson.dumps(verona_stream_id).decode(), "topic": "New test topic", } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message_id)) self.assertEqual(scheduled_message.recipient.type, Recipient.STREAM) self.assertEqual(scheduled_message.topic_name(), "New test topic") # Trying to edit with timestamp in the past returns an error new_scheduled_delivery_timestamp = int(time.time() - 86400) payload = { "scheduled_delivery_timestamp": new_scheduled_delivery_timestamp, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_error(result, "Scheduled delivery time must be in the future.") # Edit content and time of scheduled message succeeds edited_content = "Edited test message" new_scheduled_delivery_timestamp = scheduled_delivery_timestamp + int( time.time() + (3 * 86400) ) payload = { "content": edited_content, "scheduled_delivery_timestamp": new_scheduled_delivery_timestamp, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message_id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message_id)) self.assertEqual(scheduled_message.content, edited_content) self.assertEqual(scheduled_message.topic_name(), "New test topic") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(new_scheduled_delivery_timestamp), ) # Edit topic and content of scheduled stream message edited_content = "Final content edit for test" payload = { "topic": "Another topic for test", "content": edited_content, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message.id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message.id)) self.assertEqual(scheduled_message.content, edited_content) self.assertEqual(scheduled_message.topic_name(), "Another topic for test") # Edit only topic of scheduled stream message payload = { "topic": "Final topic for test", } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message.id}", payload) self.assert_json_success(result) scheduled_message = self.get_scheduled_message(str(scheduled_message.id)) self.assertEqual(scheduled_message.recipient.type, Recipient.STREAM) self.assertEqual(scheduled_message.content, edited_content) self.assertEqual(scheduled_message.topic_name(), "Final topic for test") self.assertEqual( scheduled_message.scheduled_timestamp, timestamp_to_datetime(new_scheduled_delivery_timestamp), ) def test_fetch_scheduled_messages(self) -> None: self.login("hamlet") # No scheduled message result = self.client_get("/json/scheduled_messages") self.assert_json_success(result) self.assert_length(orjson.loads(result.content)["scheduled_messages"], 0) verona_stream_id = self.get_stream_id("Verona") content = "Test message" scheduled_delivery_timestamp = int(time.time() + 86400) self.do_schedule_message("channel", verona_stream_id, content, scheduled_delivery_timestamp) # Single scheduled message result = self.client_get("/json/scheduled_messages") self.assert_json_success(result) scheduled_messages = orjson.loads(result.content)["scheduled_messages"] self.assert_length(scheduled_messages, 1) self.assertEqual( scheduled_messages[0]["scheduled_message_id"], self.last_scheduled_message().id ) self.assertEqual(scheduled_messages[0]["content"], content) self.assertEqual(scheduled_messages[0]["to"], verona_stream_id) self.assertEqual(scheduled_messages[0]["type"], "stream") self.assertEqual(scheduled_messages[0]["topic"], "Test topic") self.assertEqual( scheduled_messages[0]["scheduled_delivery_timestamp"], scheduled_delivery_timestamp ) othello = self.example_user("othello") result = self.do_schedule_message( "direct", [othello.id], content + " 3", scheduled_delivery_timestamp ) # Multiple scheduled messages result = self.client_get("/json/scheduled_messages") self.assert_json_success(result) self.assert_length(orjson.loads(result.content)["scheduled_messages"], 2) # Check if another user can access these scheduled messages. self.logout() self.login("othello") result = self.client_get("/json/scheduled_messages") self.assert_json_success(result) self.assert_length(orjson.loads(result.content)["scheduled_messages"], 0) def test_delete_scheduled_messages(self) -> None: self.login("hamlet") content = "Test message" verona_stream_id = self.get_stream_id("Verona") scheduled_delivery_timestamp = int(time.time() + 86400) self.do_schedule_message("channel", verona_stream_id, content, scheduled_delivery_timestamp) scheduled_message = self.last_scheduled_message() self.logout() # Other user cannot delete it. othello = self.example_user("othello") result = self.api_delete(othello, f"/api/v1/scheduled_messages/{scheduled_message.id}") self.assert_json_error(result, "Scheduled message does not exist", 404) self.login("hamlet") result = self.client_delete(f"/json/scheduled_messages/{scheduled_message.id}") self.assert_json_success(result) # Already deleted. result = self.client_delete(f"/json/scheduled_messages/{scheduled_message.id}") self.assert_json_error(result, "Scheduled message does not exist", 404) def test_attachment_handling(self) -> None: self.login("hamlet") hamlet = self.example_user("hamlet") verona_stream_id = self.get_stream_id("Verona") attachment_file1 = StringIO("zulip!") attachment_file1.name = "dummy_1.txt" result = self.client_post("/json/user_uploads", {"file": attachment_file1}) path_id1 = re.sub(r"/user_uploads/", "", result.json()["url"]) attachment_object1 = Attachment.objects.get(path_id=path_id1) attachment_file2 = StringIO("zulip!") attachment_file2.name = "dummy_1.txt" result = self.client_post("/json/user_uploads", {"file": attachment_file2}) path_id2 = re.sub(r"/user_uploads/", "", result.json()["url"]) attachment_object2 = Attachment.objects.get(path_id=path_id2) content = f"Test [zulip.txt](http://{hamlet.realm.host}/user_uploads/{path_id1})" scheduled_delivery_timestamp = int(time.time() + 86400) # Test sending with attachment self.do_schedule_message("channel", verona_stream_id, content, scheduled_delivery_timestamp) scheduled_message = self.last_scheduled_message() self.assertEqual( list(attachment_object1.scheduled_messages.all().values_list("id", flat=True)), [scheduled_message.id], ) self.assertEqual(scheduled_message.has_attachment, True) # Test editing to change attachmment edited_content = f"Test [zulip.txt](http://{hamlet.realm.host}/user_uploads/{path_id2})" payload = { "content": edited_content, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message.id}", payload) scheduled_message = self.get_scheduled_message(str(scheduled_message.id)) self.assertEqual( list(attachment_object1.scheduled_messages.all().values_list("id", flat=True)), [] ) self.assertEqual( list(attachment_object2.scheduled_messages.all().values_list("id", flat=True)), [scheduled_message.id], ) self.assertEqual(scheduled_message.has_attachment, True) # Test editing to no longer reference any attachments edited_content = "No more attachments" payload = { "content": edited_content, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message.id}", payload) scheduled_message = self.get_scheduled_message(str(scheduled_message.id)) self.assertEqual( list(attachment_object1.scheduled_messages.all().values_list("id", flat=True)), [] ) self.assertEqual( list(attachment_object2.scheduled_messages.all().values_list("id", flat=True)), [] ) self.assertEqual(scheduled_message.has_attachment, False) # Test editing to now have an attachment again edited_content = ( f"Attachment is back! [zulip.txt](http://{hamlet.realm.host}/user_uploads/{path_id2})" ) payload = { "content": edited_content, } result = self.client_patch(f"/json/scheduled_messages/{scheduled_message.id}", payload) scheduled_message = self.get_scheduled_message(str(scheduled_message.id)) self.assertEqual( list(attachment_object1.scheduled_messages.all().values_list("id", flat=True)), [] ) self.assertEqual( list(attachment_object2.scheduled_messages.all().values_list("id", flat=True)), [scheduled_message.id], ) self.assertEqual(scheduled_message.has_attachment, True)