annotate tests/unit/test_pubsub-cache.py @ 4125:bb74f7dc3b10

frontend (quick app): allow to specify an async bridge: Async Bridge can now be specified and used with `a_bridge` in addition to the legacy one. The legacy one will eventually be removed. rel 424
author Goffi <goffi@goffi.org>
date Tue, 03 Oct 2023 16:24:13 +0200
parents 4b842c1fb686
children f1d0cde61af7
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1 #!/usr/bin/env python3
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2
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3 # Libervia: an XMPP client
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from twisted.internet import defer
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20 from pytest_twisted import ensureDeferred as ed
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21 from unittest.mock import MagicMock, patch
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22 from libervia.backend.memory.sqla import PubsubNode, SyncState
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23 from libervia.backend.core.constants import Const as C
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25
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26 class TestPubsubCache:
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27
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28 @ed
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29 async def test_cache_is_used_transparently(self, host, client):
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30 """Cache is used when a pubsub get_items operation is done"""
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31 items_ret = defer.Deferred()
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32 items_ret.callback(([], {}))
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33 client.pubsub_client.items = MagicMock(return_value=items_ret)
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34 host.memory.storage.get_pubsub_node.return_value = None
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35 pubsub_node = host.memory.storage.set_pubsub_node.return_value = PubsubNode(
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36 sync_state = None
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37 )
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38 with patch.object(host.plugins["PUBSUB_CACHE"], "cache_node") as cache_node:
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39 await host.plugins["XEP-0060"].get_items(
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40 client,
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41 None,
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42 "urn:xmpp:microblog:0",
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43 )
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44 assert cache_node.call_count == 1
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45 assert cache_node.call_args.args[-1] == pubsub_node
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46
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47 @ed
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48 async def test_cache_is_skipped_with_use_cache_false(self, host, client):
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49 """Cache is skipped when 'use_cache' extra field is False"""
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50 items_ret = defer.Deferred()
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51 items_ret.callback(([], {}))
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52 client.pubsub_client.items = MagicMock(return_value=items_ret)
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53 host.memory.storage.get_pubsub_node.return_value = None
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54 host.memory.storage.set_pubsub_node.return_value = PubsubNode(
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55 sync_state = None
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56 )
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57 with patch.object(host.plugins["PUBSUB_CACHE"], "cache_node") as cache_node:
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58 await host.plugins["XEP-0060"].get_items(
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59 client,
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60 None,
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61 "urn:xmpp:microblog:0",
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62 extra = {C.KEY_USE_CACHE: False}
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63 )
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64 assert not cache_node.called
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65
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66 @ed
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67 async def test_cache_is_not_used_when_no_cache(self, host, client):
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68 """Cache is skipped when 'pubsub_cache_strategy' is set to 'no_cache'"""
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69 with host.use_option_and_reload(None, "pubsub_cache_strategy", "no_cache"):
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70 items_ret = defer.Deferred()
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71 items_ret.callback(([], {}))
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72 client.pubsub_client.items = MagicMock(return_value=items_ret)
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73 host.memory.storage.get_pubsub_node.return_value = None
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74 host.memory.storage.set_pubsub_node.return_value = PubsubNode(
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75 sync_state = None
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76 )
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77 with patch.object(host.plugins["PUBSUB_CACHE"], "cache_node") as cache_node:
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78 await host.plugins["XEP-0060"].get_items(
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79 client,
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80 None,
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81 "urn:xmpp:microblog:0",
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82 )
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83 assert not cache_node.called
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84
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85
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86 @ed
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87 async def test_no_pubsub_get_when_cache_completed(self, host, client):
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88 """No pubsub get is emitted when items are fully cached"""
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89 items_ret = defer.Deferred()
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90 items_ret.callback(([], {}))
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91 client.pubsub_client.items = MagicMock(return_value=items_ret)
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92 host.memory.storage.get_pubsub_node.return_value = PubsubNode(
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93 sync_state = SyncState.COMPLETED
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94 )
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95 with patch.object(
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96 host.plugins["PUBSUB_CACHE"],
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97 "get_items_from_cache"
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98 ) as get_items_from_cache:
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99 get_items_from_cache.return_value = ([], {})
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100 await host.plugins["XEP-0060"].get_items(
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101 client,
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102 None,
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103 "urn:xmpp:microblog:0",
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104 )
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105 assert get_items_from_cache.call_count == 1
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106 assert not client.pubsub_client.items.called
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107
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108 @ed
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109 async def test_pubsub_get_when_cache_in_progress(self, host, client):
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110 """Pubsub get is emitted when items are currently being cached"""
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111 items_ret = defer.Deferred()
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112 items_ret.callback(([], {}))
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113 client.pubsub_client.items = MagicMock(return_value=items_ret)
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114 host.memory.storage.get_pubsub_node.return_value = PubsubNode(
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115 sync_state = SyncState.IN_PROGRESS
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116 )
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117 with patch.object(host.plugins["PUBSUB_CACHE"], "analyse_node") as analyse_node:
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118 analyse_node.return_value = {"to_sync": True}
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119 with patch.object(
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120 host.plugins["PUBSUB_CACHE"],
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121 "get_items_from_cache"
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122 ) as get_items_from_cache:
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123 get_items_from_cache.return_value = ([], {})
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124 assert client.pubsub_client.items.call_count == 0
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125 await host.plugins["XEP-0060"].get_items(
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126 client,
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127 None,
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128 "urn:xmpp:microblog:0",
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129 )
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130 assert not get_items_from_cache.called
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131 assert client.pubsub_client.items.call_count == 1