import re from typing import Any, Dict import orjson from django.core.exceptions import ValidationError from django.http import HttpResponse from zerver.lib.test_classes import ZulipTestCase from zerver.lib.validator import check_widget_content from zerver.lib.widget import get_widget_data, get_widget_type from zerver.models import SubMessage, UserProfile class WidgetContentTestCase(ZulipTestCase): def test_validation(self) -> None: def assert_error(obj: object, msg: str) -> None: with self.assertRaisesRegex(ValidationError, re.escape(msg)): check_widget_content(obj) assert_error(5, "widget_content is not a dict") assert_error({}, "widget_type is not in widget_content") assert_error(dict(widget_type="whatever"), "extra_data is not in widget_content") assert_error(dict(widget_type="zform", extra_data=4), "extra_data is not a dict") assert_error(dict(widget_type="bogus", extra_data={}), "unknown widget type: bogus") extra_data: Dict[str, Any] = {} obj = dict(widget_type="zform", extra_data=extra_data) assert_error(obj, "zform is missing type field") extra_data["type"] = "bogus" assert_error(obj, "unknown zform type: bogus") extra_data["type"] = "choices" assert_error(obj, "heading key is missing from extra_data") extra_data["heading"] = "whatever" assert_error(obj, "choices key is missing from extra_data") extra_data["choices"] = 99 assert_error(obj, 'extra_data["choices"] is not a list') extra_data["choices"] = [99] assert_error(obj, 'extra_data["choices"][0] is not a dict') extra_data["choices"] = [ dict(long_name="foo", reply="bar"), ] assert_error(obj, 'short_name key is missing from extra_data["choices"][0]') extra_data["choices"] = [ dict(short_name="a", long_name="foo", reply="bar"), ] check_widget_content(obj) def test_message_error_handling(self) -> None: sender = self.example_user("cordelia") stream_name = "Verona" payload = dict( type="stream", to=stream_name, topic="whatever", content="whatever", ) payload["widget_content"] = "{{{{{{" # unparsable result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_error_contains(result, "Widgets: API programmer sent invalid JSON") bogus_data = dict(color="red", foo="bar", x=2) payload["widget_content"] = orjson.dumps(bogus_data).decode() result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_error_contains(result, "Widgets: widget_type is not in widget_content") def test_get_widget_data_for_non_widget_messages(self) -> None: # This is a pretty important test, despite testing the # "negative" case. We never want widgets to interfere # with normal messages. test_messages = [ "", " ", "this is an ordinary message", "/bogus_command", "/me shrugs", "use /poll", ] for message in test_messages: self.assertEqual(get_widget_data(content=message), (None, None)) # Add a positive check for context self.assertEqual(get_widget_data(content="/todo"), ("todo", None)) def test_explicit_widget_content(self) -> None: # Users can send widget_content directly on messages # using the `widget_content` field. sender = self.example_user("cordelia") stream_name = "Verona" content = "does-not-matter" zform_data = dict( type="choices", heading="Options:", choices=[], ) widget_content = dict( widget_type="zform", extra_data=zform_data, ) check_widget_content(widget_content) payload = dict( type="stream", to=stream_name, topic="whatever", content=content, widget_content=orjson.dumps(widget_content).decode(), ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() self.assertEqual(message.content, content) expected_submessage_content = dict( widget_type="zform", extra_data=zform_data, ) submessage = SubMessage.objects.get(message_id=message.id) self.assertEqual(submessage.msg_type, "widget") self.assertEqual(orjson.loads(submessage.content), expected_submessage_content) def test_todo(self) -> None: # This also helps us get test coverage that could apply # to future widgets. sender = self.example_user("cordelia") stream_name = "Verona" content = "/todo" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() self.assertEqual(message.content, content) expected_submessage_content = dict( widget_type="todo", extra_data=None, ) submessage = SubMessage.objects.get(message_id=message.id) self.assertEqual(submessage.msg_type, "widget") self.assertEqual(orjson.loads(submessage.content), expected_submessage_content) def test_poll_command_extra_data(self) -> None: sender = self.example_user("cordelia") stream_name = "Verona" # We test for both trailing and leading spaces, along with blank lines # for the poll options. content = "/poll What is your favorite color?\n\nRed\nGreen \n\n Blue\n - Yellow" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() self.assertEqual(message.content, content) expected_submessage_content = dict( widget_type="poll", extra_data=dict( options=["Red", "Green", "Blue", "Yellow"], question="What is your favorite color?", ), ) submessage = SubMessage.objects.get(message_id=message.id) self.assertEqual(submessage.msg_type, "widget") self.assertEqual(orjson.loads(submessage.content), expected_submessage_content) # Now don't supply a question. content = "/poll" payload["content"] = content result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) expected_submessage_content = dict( widget_type="poll", extra_data=dict( options=[], question="", ), ) message = self.get_last_message() self.assertEqual(message.content, content) submessage = SubMessage.objects.get(message_id=message.id) self.assertEqual(submessage.msg_type, "widget") self.assertEqual(orjson.loads(submessage.content), expected_submessage_content) def test_poll_permissions(self) -> None: cordelia = self.example_user("cordelia") hamlet = self.example_user("hamlet") stream_name = "Verona" content = "/poll Preference?\n\nyes\nno" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(cordelia, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() def post(sender: UserProfile, data: Dict[str, object]) -> HttpResponse: payload = dict( message_id=message.id, msg_type="widget", content=orjson.dumps(data).decode() ) return self.api_post(sender, "/api/v1/submessage", payload) result = post(cordelia, dict(type="question", question="Tabs or spaces?")) self.assert_json_success(result) result = post(hamlet, dict(type="question", question="Tabs or spaces?")) self.assert_json_error(result, "You can't edit a question unless you are the author.") def test_poll_type_validation(self) -> None: sender = self.example_user("cordelia") stream_name = "Verona" content = "/poll Preference?\n\nyes\nno" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() def post_submessage(content: str) -> HttpResponse: payload = dict( message_id=message.id, msg_type="widget", content=content, ) return self.api_post(sender, "/api/v1/submessage", payload) def assert_error(content: str, error: str) -> None: result = post_submessage(content) self.assert_json_error_contains(result, error) assert_error("bogus", "Invalid json for submessage") assert_error('""', "not a dict") assert_error("[]", "not a dict") assert_error('{"type": "bogus"}', "Unknown type for poll data: bogus") assert_error('{"type": "vote"}', "key is missing") assert_error('{"type": "vote", "key": "1,1,", "vote": 99}', "Invalid poll data") assert_error('{"type": "question"}', "key is missing") assert_error('{"type": "question", "question": 7}', "not a string") assert_error('{"type": "new_option"}', "key is missing") assert_error('{"type": "new_option", "idx": 7, "option": 999}', "not a string") assert_error('{"type": "new_option", "idx": -1, "option": "pizza"}', "too small") assert_error('{"type": "new_option", "idx": 1001, "option": "pizza"}', "too large") assert_error('{"type": "new_option", "idx": "bogus", "option": "maybe"}', "not an int") def assert_success(data: Dict[str, object]) -> None: content = orjson.dumps(data).decode() result = post_submessage(content) self.assert_json_success(result) # Note that we only validate for types. The server code may, for, # example, allow a vote for a non-existing option, and we rely # on the clients to ignore those. assert_success(dict(type="vote", key="1,1", vote=1)) assert_success(dict(type="new_option", idx=7, option="maybe")) assert_success(dict(type="question", question="what's for dinner?")) def test_todo_type_validation(self) -> None: sender = self.example_user("cordelia") stream_name = "Verona" content = "/todo" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() def post_submessage(content: str) -> HttpResponse: payload = dict( message_id=message.id, msg_type="widget", content=content, ) return self.api_post(sender, "/api/v1/submessage", payload) def assert_error(content: str, error: str) -> None: result = post_submessage(content) self.assert_json_error_contains(result, error) assert_error('{"type": "bogus"}', "Unknown type for todo data: bogus") assert_error('{"type": "new_task"}', "key is missing") assert_error( '{"type": "new_task", "key": 7, "task": 7, "desc": "", "completed": false}', 'data["task"] is not a string', ) assert_error( '{"type": "new_task", "key": -1, "task": "eat", "desc": "", "completed": false}', 'data["key"] is too small', ) assert_error( '{"type": "new_task", "key": 1001, "task": "eat", "desc": "", "completed": false}', 'data["key"] is too large', ) assert_error('{"type": "strike"}', "key is missing") assert_error('{"type": "strike", "key": 999}', 'data["key"] is not a string') def assert_success(data: Dict[str, object]) -> None: content = orjson.dumps(data).decode() result = post_submessage(content) self.assert_json_success(result) assert_success(dict(type="new_task", key=7, task="eat", desc="", completed=False)) assert_success(dict(type="strike", key="5,9")) def test_get_widget_type(self) -> None: sender = self.example_user("cordelia") stream_name = "Verona" # We test for both trailing and leading spaces, along with blank lines # for the poll options. content = "/poll Preference?\n\nyes\nno" payload = dict( type="stream", to=stream_name, topic="whatever", content=content, ) result = self.api_post(sender, "/api/v1/messages", payload) self.assert_json_success(result) message = self.get_last_message() [submessage] = SubMessage.objects.filter(message_id=message.id) self.assertEqual(get_widget_type(message_id=message.id), "poll") submessage.content = "bogus non json" submessage.save() self.assertEqual(get_widget_type(message_id=message.id), None) submessage.content = '{"bogus": 1}' submessage.save() self.assertEqual(get_widget_type(message_id=message.id), None) submessage.content = '{"widget_type": "todo"}' submessage.save() self.assertEqual(get_widget_type(message_id=message.id), "todo")