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-rw-r--r--tests/rest/admin/test_background_updates.py218
1 files changed, 218 insertions, 0 deletions
diff --git a/tests/rest/admin/test_background_updates.py b/tests/rest/admin/test_background_updates.py
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+++ b/tests/rest/admin/test_background_updates.py
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+# Copyright 2021 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.
+
+import synapse.rest.admin
+from synapse.rest.client import login
+from synapse.server import HomeServer
+
+from tests import unittest
+
+
+class BackgroundUpdatesTestCase(unittest.HomeserverTestCase):
+    servlets = [
+        synapse.rest.admin.register_servlets,
+        login.register_servlets,
+    ]
+
+    def prepare(self, reactor, clock, hs: HomeServer):
+        self.store = hs.get_datastore()
+        self.admin_user = self.register_user("admin", "pass", admin=True)
+        self.admin_user_tok = self.login("admin", "pass")
+
+    def _register_bg_update(self):
+        "Adds a bg update but doesn't start it"
+
+        async def _fake_update(progress, batch_size) -> int:
+            await self.clock.sleep(0.2)
+            return batch_size
+
+        self.store.db_pool.updates.register_background_update_handler(
+            "test_update",
+            _fake_update,
+        )
+
+        self.get_success(
+            self.store.db_pool.simple_insert(
+                table="background_updates",
+                values={
+                    "update_name": "test_update",
+                    "progress_json": "{}",
+                },
+            )
+        )
+
+    def test_status_empty(self):
+        """Test the status API works."""
+
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/status",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+
+        # Background updates should be enabled, but none should be running.
+        self.assertDictEqual(
+            channel.json_body, {"current_updates": {}, "enabled": True}
+        )
+
+    def test_status_bg_update(self):
+        """Test the status API works with a background update."""
+
+        # Create a new background update
+
+        self._register_bg_update()
+
+        self.store.db_pool.updates.start_doing_background_updates()
+        self.reactor.pump([1.0, 1.0])
+
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/status",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+
+        # Background updates should be enabled, and one should be running.
+        self.assertDictEqual(
+            channel.json_body,
+            {
+                "current_updates": {
+                    "master": {
+                        "name": "test_update",
+                        "average_items_per_ms": 0.1,
+                        "total_duration_ms": 1000.0,
+                        "total_item_count": 100,
+                    }
+                },
+                "enabled": True,
+            },
+        )
+
+    def test_enabled(self):
+        """Test the enabled API works."""
+
+        # Create a new background update
+
+        self._register_bg_update()
+        self.store.db_pool.updates.start_doing_background_updates()
+
+        # Test that GET works and returns enabled is True.
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/enabled",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+        self.assertDictEqual(channel.json_body, {"enabled": True})
+
+        # Disable the BG updates
+        channel = self.make_request(
+            "POST",
+            "/_synapse/admin/v1/background_updates/enabled",
+            content={"enabled": False},
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+        self.assertDictEqual(channel.json_body, {"enabled": False})
+
+        # Advance a bit and get the current status, note this will finish the in
+        # flight background update so we call it the status API twice and check
+        # there was no change.
+        self.reactor.pump([1.0, 1.0])
+
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/status",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+        self.assertDictEqual(
+            channel.json_body,
+            {
+                "current_updates": {
+                    "master": {
+                        "name": "test_update",
+                        "average_items_per_ms": 0.1,
+                        "total_duration_ms": 1000.0,
+                        "total_item_count": 100,
+                    }
+                },
+                "enabled": False,
+            },
+        )
+
+        # Run the reactor for a bit so the BG updates would have a chance to run
+        # if they were to.
+        self.reactor.pump([1.0, 1.0])
+
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/status",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+
+        # There should be no change from the previous /status response.
+        self.assertDictEqual(
+            channel.json_body,
+            {
+                "current_updates": {
+                    "master": {
+                        "name": "test_update",
+                        "average_items_per_ms": 0.1,
+                        "total_duration_ms": 1000.0,
+                        "total_item_count": 100,
+                    }
+                },
+                "enabled": False,
+            },
+        )
+
+        # Re-enable the background updates.
+
+        channel = self.make_request(
+            "POST",
+            "/_synapse/admin/v1/background_updates/enabled",
+            content={"enabled": True},
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+
+        self.assertDictEqual(channel.json_body, {"enabled": True})
+
+        self.reactor.pump([1.0, 1.0])
+
+        channel = self.make_request(
+            "GET",
+            "/_synapse/admin/v1/background_updates/status",
+            access_token=self.admin_user_tok,
+        )
+        self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
+
+        # Background updates should be enabled and making progress.
+        self.assertDictEqual(
+            channel.json_body,
+            {
+                "current_updates": {
+                    "master": {
+                        "name": "test_update",
+                        "average_items_per_ms": 0.1,
+                        "total_duration_ms": 2000.0,
+                        "total_item_count": 200,
+                    }
+                },
+                "enabled": True,
+            },
+        )