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synapse/tests/push/test_push_rule_evaluator.py

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# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Any, Dict
from synapse.api.room_versions import RoomVersions
from synapse.events import FrozenEvent
from synapse.push import push_rule_evaluator
from synapse.push.push_rule_evaluator import PushRuleEvaluatorForEvent
from tests import unittest
class PushRuleEvaluatorTestCase(unittest.TestCase):
def _get_evaluator(self, content):
event = FrozenEvent(
{
"event_id": "$event_id",
"type": "m.room.history_visibility",
"sender": "@user:test",
"state_key": "",
"room_id": "#room:test",
"content": content,
},
RoomVersions.V1,
)
room_member_count = 0
sender_power_level = 0
power_levels = {}
return PushRuleEvaluatorForEvent(
event, room_member_count, sender_power_level, power_levels
)
def test_display_name(self):
"""Check for a matching display name in the body of the event."""
evaluator = self._get_evaluator({"body": "foo bar baz"})
condition = {
"kind": "contains_display_name",
}
# Blank names are skipped.
self.assertFalse(evaluator.matches(condition, "@user:test", ""))
# Check a display name that doesn't match.
self.assertFalse(evaluator.matches(condition, "@user:test", "not found"))
# Check a display name which matches.
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# A display name that matches, but not a full word does not result in a match.
self.assertFalse(evaluator.matches(condition, "@user:test", "ba"))
# A display name should not be interpreted as a regular expression.
self.assertFalse(evaluator.matches(condition, "@user:test", "ba[rz]"))
# A display name with spaces should work fine.
self.assertTrue(evaluator.matches(condition, "@user:test", "foo bar"))
def _assert_matches(
self, condition: Dict[str, Any], content: Dict[str, Any], msg=None
) -> None:
evaluator = self._get_evaluator(content)
self.assertTrue(evaluator.matches(condition, "@user:test", "display_name"), msg)
def _assert_not_matches(
self, condition: Dict[str, Any], content: Dict[str, Any], msg=None
) -> None:
evaluator = self._get_evaluator(content)
self.assertFalse(
evaluator.matches(condition, "@user:test", "display_name"), msg
)
def test_event_match_body(self):
"""Check that event_match conditions on content.body work as expected"""
# if the key is `content.body`, the pattern matches substrings.
# non-wildcards should match
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": "foobaz",
}
self._assert_matches(
condition,
{"body": "aaa FoobaZ zzz"},
"patterns should match and be case-insensitive",
)
self._assert_not_matches(
condition,
{"body": "aa xFoobaZ yy"},
"pattern should only match at word boundaries",
)
self._assert_not_matches(
condition,
{"body": "aa foobazx yy"},
"pattern should only match at word boundaries",
)
# wildcards should match
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": "f?o*baz",
}
self._assert_matches(
condition,
{"body": "aaa FoobarbaZ zzz"},
"* should match string and pattern should be case-insensitive",
)
self._assert_matches(
condition, {"body": "aa foobaz yy"}, "* should match 0 characters"
)
self._assert_not_matches(
condition, {"body": "aa fobbaz yy"}, "? should not match 0 characters"
)
self._assert_not_matches(
condition, {"body": "aa fiiobaz yy"}, "? should not match 2 characters"
)
self._assert_not_matches(
condition,
{"body": "aa xfooxbaz yy"},
"pattern should only match at word boundaries",
)
self._assert_not_matches(
condition,
{"body": "aa fooxbazx yy"},
"pattern should only match at word boundaries",
)
# test backslashes
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": r"f\oobaz",
}
self._assert_matches(
condition,
{"body": r"F\oobaz"},
"backslash should match itself",
)
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": r"f\?obaz",
}
self._assert_matches(
condition,
{"body": r"F\oobaz"},
r"? after \ should match any character",
)
def test_event_match_non_body(self):
"""Check that event_match conditions on other keys work as expected"""
# if the key is anything other than 'content.body', the pattern must match the
# whole value.
# non-wildcards should match
condition = {
"kind": "event_match",
"key": "content.value",
"pattern": "foobaz",
}
self._assert_matches(
condition,
{"value": "FoobaZ"},
"patterns should match and be case-insensitive",
)
self._assert_not_matches(
condition,
{"value": "xFoobaZ"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "FoobaZz"},
"pattern should only match at the start/end of the value",
)
# wildcards should match
condition = {
"kind": "event_match",
"key": "content.value",
"pattern": "f?o*baz",
}
self._assert_matches(
condition,
{"value": "FoobarbaZ"},
"* should match string and pattern should be case-insensitive",
)
self._assert_matches(
condition, {"value": "foobaz"}, "* should match 0 characters"
)
self._assert_not_matches(
condition, {"value": "fobbaz"}, "? should not match 0 characters"
)
self._assert_not_matches(
condition, {"value": "fiiobaz"}, "? should not match 2 characters"
)
self._assert_not_matches(
condition,
{"value": "xfooxbaz"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "fooxbazx"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "x\nfooxbaz"},
"pattern should not match after a newline",
)
self._assert_not_matches(
condition,
{"value": "fooxbaz\nx"},
"pattern should not match before a newline",
)
def test_no_body(self):
"""Not having a body shouldn't break the evaluator."""
evaluator = self._get_evaluator({})
condition = {
"kind": "contains_display_name",
}
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
def test_invalid_body(self):
"""A non-string body should not break the evaluator."""
condition = {
"kind": "contains_display_name",
}
for body in (1, True, {"foo": "bar"}):
evaluator = self._get_evaluator({"body": body})
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
def test_tweaks_for_actions(self):
"""
This tests the behaviour of tweaks_for_actions.
"""
actions = [
{"set_tweak": "sound", "value": "default"},
{"set_tweak": "highlight"},
"notify",
]
self.assertEqual(
push_rule_evaluator.tweaks_for_actions(actions),
{"sound": "default", "highlight": True},
)