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03318a766c
* tests for push rule pattern matching * tests for acl pattern matching * factor out common `re.escape` * Factor out common re.compile * Factor out common anchoring code * add word_boundary support to `glob_to_regex` * Use `glob_to_regex` in push rule evaluator NB that this drops support for character classes. I don't think anyone ever used them. * Improve efficiency of globs with multiple wildcards The idea here is that we compress multiple `*` globs into a single `.*`. We also need to consider `?`, since `*?*` is as hard to implement efficiently as `**`. * add assertion on regex pattern * Fix mypy * Simplify glob_to_regex * Inline the glob_to_regex helper function Signed-off-by: Dan Callahan <danc@element.io> * Moar comments Signed-off-by: Dan Callahan <danc@element.io> Co-authored-by: Dan Callahan <danc@element.io>
268 lines
8.8 KiB
Python
268 lines
8.8 KiB
Python
# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Any, Dict
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from synapse.api.room_versions import RoomVersions
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from synapse.events import FrozenEvent
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from synapse.push import push_rule_evaluator
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from synapse.push.push_rule_evaluator import PushRuleEvaluatorForEvent
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from tests import unittest
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class PushRuleEvaluatorTestCase(unittest.TestCase):
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def _get_evaluator(self, content):
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event = FrozenEvent(
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{
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"event_id": "$event_id",
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"type": "m.room.history_visibility",
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"sender": "@user:test",
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"state_key": "",
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"room_id": "#room:test",
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"content": content,
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},
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RoomVersions.V1,
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)
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room_member_count = 0
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sender_power_level = 0
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power_levels = {}
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return PushRuleEvaluatorForEvent(
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event, room_member_count, sender_power_level, power_levels
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)
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def test_display_name(self):
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"""Check for a matching display name in the body of the event."""
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evaluator = self._get_evaluator({"body": "foo bar baz"})
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condition = {
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"kind": "contains_display_name",
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}
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# Blank names are skipped.
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self.assertFalse(evaluator.matches(condition, "@user:test", ""))
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# Check a display name that doesn't match.
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self.assertFalse(evaluator.matches(condition, "@user:test", "not found"))
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# Check a display name which matches.
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# A display name that matches, but not a full word does not result in a match.
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self.assertFalse(evaluator.matches(condition, "@user:test", "ba"))
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# A display name should not be interpreted as a regular expression.
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self.assertFalse(evaluator.matches(condition, "@user:test", "ba[rz]"))
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# A display name with spaces should work fine.
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo bar"))
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def _assert_matches(
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self, condition: Dict[str, Any], content: Dict[str, Any], msg=None
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) -> None:
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evaluator = self._get_evaluator(content)
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self.assertTrue(evaluator.matches(condition, "@user:test", "display_name"), msg)
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def _assert_not_matches(
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self, condition: Dict[str, Any], content: Dict[str, Any], msg=None
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) -> None:
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evaluator = self._get_evaluator(content)
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self.assertFalse(
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evaluator.matches(condition, "@user:test", "display_name"), msg
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)
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def test_event_match_body(self):
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"""Check that event_match conditions on content.body work as expected"""
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# if the key is `content.body`, the pattern matches substrings.
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# non-wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": "foobaz",
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}
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self._assert_matches(
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condition,
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{"body": "aaa FoobaZ zzz"},
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"patterns should match and be case-insensitive",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa xFoobaZ yy"},
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"pattern should only match at word boundaries",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa foobazx yy"},
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"pattern should only match at word boundaries",
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)
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# wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": "f?o*baz",
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}
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self._assert_matches(
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condition,
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{"body": "aaa FoobarbaZ zzz"},
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"* should match string and pattern should be case-insensitive",
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)
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self._assert_matches(
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condition, {"body": "aa foobaz yy"}, "* should match 0 characters"
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)
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self._assert_not_matches(
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condition, {"body": "aa fobbaz yy"}, "? should not match 0 characters"
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)
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self._assert_not_matches(
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condition, {"body": "aa fiiobaz yy"}, "? should not match 2 characters"
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)
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self._assert_not_matches(
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condition,
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{"body": "aa xfooxbaz yy"},
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"pattern should only match at word boundaries",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa fooxbazx yy"},
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"pattern should only match at word boundaries",
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)
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# test backslashes
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": r"f\oobaz",
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}
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self._assert_matches(
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condition,
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{"body": r"F\oobaz"},
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"backslash should match itself",
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)
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": r"f\?obaz",
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}
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self._assert_matches(
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condition,
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{"body": r"F\oobaz"},
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r"? after \ should match any character",
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)
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def test_event_match_non_body(self):
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"""Check that event_match conditions on other keys work as expected"""
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# if the key is anything other than 'content.body', the pattern must match the
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# whole value.
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# non-wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.value",
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"pattern": "foobaz",
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}
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self._assert_matches(
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condition,
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{"value": "FoobaZ"},
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"patterns should match and be case-insensitive",
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)
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self._assert_not_matches(
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condition,
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{"value": "xFoobaZ"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "FoobaZz"},
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"pattern should only match at the start/end of the value",
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)
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# wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.value",
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"pattern": "f?o*baz",
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}
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self._assert_matches(
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condition,
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{"value": "FoobarbaZ"},
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"* should match string and pattern should be case-insensitive",
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)
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self._assert_matches(
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condition, {"value": "foobaz"}, "* should match 0 characters"
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)
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self._assert_not_matches(
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condition, {"value": "fobbaz"}, "? should not match 0 characters"
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)
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self._assert_not_matches(
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condition, {"value": "fiiobaz"}, "? should not match 2 characters"
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)
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self._assert_not_matches(
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condition,
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{"value": "xfooxbaz"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "fooxbazx"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "x\nfooxbaz"},
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"pattern should not match after a newline",
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)
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self._assert_not_matches(
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condition,
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{"value": "fooxbaz\nx"},
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"pattern should not match before a newline",
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)
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def test_no_body(self):
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"""Not having a body shouldn't break the evaluator."""
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evaluator = self._get_evaluator({})
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condition = {
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"kind": "contains_display_name",
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}
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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def test_invalid_body(self):
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"""A non-string body should not break the evaluator."""
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condition = {
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"kind": "contains_display_name",
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}
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for body in (1, True, {"foo": "bar"}):
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evaluator = self._get_evaluator({"body": body})
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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def test_tweaks_for_actions(self):
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"""
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This tests the behaviour of tweaks_for_actions.
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"""
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actions = [
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{"set_tweak": "sound", "value": "default"},
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{"set_tweak": "highlight"},
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"notify",
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]
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self.assertEqual(
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push_rule_evaluator.tweaks_for_actions(actions),
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{"sound": "default", "highlight": True},
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)
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