summary refs log tree commit diff
path: root/tests/storage/test_room_search.py
diff options
context:
space:
mode:
Diffstat (limited to 'tests/storage/test_room_search.py')
-rw-r--r--tests/storage/test_room_search.py213
1 files changed, 213 insertions, 0 deletions
diff --git a/tests/storage/test_room_search.py b/tests/storage/test_room_search.py
index e747c6b50e..9ddc19900a 100644
--- a/tests/storage/test_room_search.py
+++ b/tests/storage/test_room_search.py
@@ -12,11 +12,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from typing import List, Tuple, Union
+from unittest.case import SkipTest
+from unittest.mock import PropertyMock, patch
+
+from twisted.test.proto_helpers import MemoryReactor
+
 import synapse.rest.admin
 from synapse.api.constants import EventTypes
 from synapse.api.errors import StoreError
 from synapse.rest.client import login, room
+from synapse.server import HomeServer
+from synapse.storage.databases.main import DataStore
+from synapse.storage.databases.main.search import Phrase, SearchToken, _tokenize_query
 from synapse.storage.engines import PostgresEngine
+from synapse.storage.engines.sqlite import Sqlite3Engine
+from synapse.util import Clock
 
 from tests.unittest import HomeserverTestCase, skip_unless
 from tests.utils import USE_POSTGRES_FOR_TESTS
@@ -187,3 +198,205 @@ class EventSearchInsertionTest(HomeserverTestCase):
             ),
         )
         self.assertCountEqual(values, ["hi", "2"])
+
+
+class MessageSearchTest(HomeserverTestCase):
+    """
+    Check message search.
+
+    A powerful way to check the behaviour is to run the following in Postgres >= 11:
+
+        # SELECT websearch_to_tsquery('english', <your string>);
+
+    The result can be compared to the tokenized version for SQLite and Postgres < 11.
+
+    """
+
+    servlets = [
+        synapse.rest.admin.register_servlets_for_client_rest_resource,
+        login.register_servlets,
+        room.register_servlets,
+    ]
+
+    PHRASE = "the quick brown fox jumps over the lazy dog"
+
+    # Each entry is a search query, followed by either a boolean of whether it is
+    # in the phrase OR a tuple of booleans: whether it matches using websearch
+    # and using plain search.
+    COMMON_CASES: List[Tuple[str, Union[bool, Tuple[bool, bool]]]] = [
+        ("nope", False),
+        ("brown", True),
+        ("quick brown", True),
+        ("brown quick", True),
+        ("quick \t brown", True),
+        ("jump", True),
+        ("brown nope", False),
+        ('"brown quick"', (False, True)),
+        ('"jumps over"', True),
+        ('"quick fox"', (False, True)),
+        ("nope OR doublenope", False),
+        ("furphy OR fox", (True, False)),
+        ("fox -nope", (True, False)),
+        ("fox -brown", (False, True)),
+        ('"fox" quick', True),
+        ('"fox quick', True),
+        ('"quick brown', True),
+        ('" quick "', True),
+        ('" nope"', False),
+    ]
+    # TODO Test non-ASCII cases.
+
+    # Case that fail on SQLite.
+    POSTGRES_CASES: List[Tuple[str, Union[bool, Tuple[bool, bool]]]] = [
+        # SQLite treats NOT as a binary operator.
+        ("- fox", (False, True)),
+        ("- nope", (True, False)),
+        ('"-fox quick', (False, True)),
+        # PostgreSQL skips stop words.
+        ('"the quick brown"', True),
+        ('"over lazy"', True),
+    ]
+
+    def prepare(
+        self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
+    ) -> None:
+        # Register a user and create a room, create some messages
+        self.register_user("alice", "password")
+        self.access_token = self.login("alice", "password")
+        self.room_id = self.helper.create_room_as("alice", tok=self.access_token)
+
+        # Send the phrase as a message and check it was created
+        response = self.helper.send(self.room_id, self.PHRASE, tok=self.access_token)
+        self.assertIn("event_id", response)
+
+    def test_tokenize_query(self) -> None:
+        """Test the custom logic to tokenize a user's query."""
+        cases = (
+            ("brown", ["brown"]),
+            ("quick brown", ["quick", SearchToken.And, "brown"]),
+            ("quick \t brown", ["quick", SearchToken.And, "brown"]),
+            ('"brown quick"', [Phrase(["brown", "quick"])]),
+            ("furphy OR fox", ["furphy", SearchToken.Or, "fox"]),
+            ("fox -brown", ["fox", SearchToken.Not, "brown"]),
+            ("- fox", [SearchToken.Not, "fox"]),
+            ('"fox" quick', [Phrase(["fox"]), SearchToken.And, "quick"]),
+            # No trailing double quoe.
+            ('"fox quick', ["fox", SearchToken.And, "quick"]),
+            ('"-fox quick', [SearchToken.Not, "fox", SearchToken.And, "quick"]),
+            ('" quick "', [Phrase(["quick"])]),
+            (
+                'q"uick brow"n',
+                [
+                    "q",
+                    SearchToken.And,
+                    Phrase(["uick", "brow"]),
+                    SearchToken.And,
+                    "n",
+                ],
+            ),
+            (
+                '-"quick brown"',
+                [SearchToken.Not, Phrase(["quick", "brown"])],
+            ),
+        )
+
+        for query, expected in cases:
+            tokenized = _tokenize_query(query)
+            self.assertEqual(
+                tokenized, expected, f"{tokenized} != {expected} for {query}"
+            )
+
+    def _check_test_cases(
+        self,
+        store: DataStore,
+        cases: List[Tuple[str, Union[bool, Tuple[bool, bool]]]],
+        index=0,
+    ) -> None:
+        # Run all the test cases versus search_msgs
+        for query, expect_to_contain in cases:
+            if isinstance(expect_to_contain, tuple):
+                expect_to_contain = expect_to_contain[index]
+
+            result = self.get_success(
+                store.search_msgs([self.room_id], query, ["content.body"])
+            )
+            self.assertEquals(
+                result["count"],
+                1 if expect_to_contain else 0,
+                f"expected '{query}' to match '{self.PHRASE}'"
+                if expect_to_contain
+                else f"'{query}' unexpectedly matched '{self.PHRASE}'",
+            )
+            self.assertEquals(
+                len(result["results"]),
+                1 if expect_to_contain else 0,
+                "results array length should match count",
+            )
+
+        # Run them again versus search_rooms
+        for query, expect_to_contain in cases:
+            if isinstance(expect_to_contain, tuple):
+                expect_to_contain = expect_to_contain[index]
+
+            result = self.get_success(
+                store.search_rooms([self.room_id], query, ["content.body"], 10)
+            )
+            self.assertEquals(
+                result["count"],
+                1 if expect_to_contain else 0,
+                f"expected '{query}' to match '{self.PHRASE}'"
+                if expect_to_contain
+                else f"'{query}' unexpectedly matched '{self.PHRASE}'",
+            )
+            self.assertEquals(
+                len(result["results"]),
+                1 if expect_to_contain else 0,
+                "results array length should match count",
+            )
+
+    def test_postgres_web_search_for_phrase(self):
+        """
+        Test searching for phrases using typical web search syntax, as per postgres' websearch_to_tsquery.
+        This test is skipped unless the postgres instance supports websearch_to_tsquery.
+        """
+
+        store = self.hs.get_datastores().main
+        if not isinstance(store.database_engine, PostgresEngine):
+            raise SkipTest("Test only applies when postgres is used as the database")
+
+        if store.database_engine.tsquery_func != "websearch_to_tsquery":
+            raise SkipTest(
+                "Test only applies when postgres supporting websearch_to_tsquery is used as the database"
+            )
+
+        self._check_test_cases(store, self.COMMON_CASES + self.POSTGRES_CASES, index=0)
+
+    def test_postgres_non_web_search_for_phrase(self):
+        """
+        Test postgres searching for phrases without using web search, which is used when websearch_to_tsquery isn't
+        supported by the current postgres version.
+        """
+
+        store = self.hs.get_datastores().main
+        if not isinstance(store.database_engine, PostgresEngine):
+            raise SkipTest("Test only applies when postgres is used as the database")
+
+        # Patch supports_websearch_to_tsquery to always return False to ensure we're testing the plainto_tsquery path.
+        with patch(
+            "synapse.storage.engines.postgres.PostgresEngine.tsquery_func",
+            new_callable=PropertyMock,
+        ) as supports_websearch_to_tsquery:
+            supports_websearch_to_tsquery.return_value = "plainto_tsquery"
+            self._check_test_cases(
+                store, self.COMMON_CASES + self.POSTGRES_CASES, index=1
+            )
+
+    def test_sqlite_search(self):
+        """
+        Test sqlite searching for phrases.
+        """
+        store = self.hs.get_datastores().main
+        if not isinstance(store.database_engine, Sqlite3Engine):
+            raise SkipTest("Test only applies when sqlite is used as the database")
+
+        self._check_test_cases(store, self.COMMON_CASES, index=0)