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| 1 | +"""Derived from uts/rest/unit/channels_collection.md in ably/specification. |
| 2 | +
|
| 3 | +Spec points: RSN1, RSN2, RSN3a, RSN4a, RSN4b |
| 4 | +
|
| 5 | +The collection is held in memory, so no request reaches the mock. A mock is still |
| 6 | +installed so that nothing in these tests can touch the network. |
| 7 | +""" |
| 8 | + |
| 9 | +import uuid |
| 10 | + |
| 11 | +from ably.rest.channel import Channel, Channels |
| 12 | +from test.uts.helpers.client import rest_client |
| 13 | +from test.uts.helpers.mock_http import MockHttpClient |
| 14 | + |
| 15 | + |
| 16 | +def random_id(): |
| 17 | + return uuid.uuid4().hex[:8] |
| 18 | + |
| 19 | + |
| 20 | +def offline_client(): |
| 21 | + mock_http = MockHttpClient( |
| 22 | + on_connection_attempt=lambda conn: conn.respond_with_success(), |
| 23 | + on_request=lambda request: request.respond_with(200, []), |
| 24 | + ) |
| 25 | + return rest_client(mock_http) |
| 26 | + |
| 27 | + |
| 28 | +# UTS: rest/unit/RSN1/channels-collection-accessible-0 |
| 29 | +async def test_rsn1_channels_collection_accessible(): |
| 30 | + client = offline_client() |
| 31 | + |
| 32 | + assert isinstance(client.channels, Channels) |
| 33 | + assert client.channels is not None |
| 34 | + |
| 35 | + |
| 36 | +# UTS: rest/unit/RSN2/check-channel-exists-0 |
| 37 | +async def test_rsn2_check_channel_exists(): |
| 38 | + channel_name = f'test-RSN2-{random_id()}' |
| 39 | + client = offline_client() |
| 40 | + |
| 41 | + # NOTE: the spec spells this channels.exists(name); Python spells membership |
| 42 | + # as `in`, which Channels implements via __contains__. |
| 43 | + exists_before = channel_name in client.channels |
| 44 | + |
| 45 | + client.channels.get(channel_name) |
| 46 | + |
| 47 | + exists_after = channel_name in client.channels |
| 48 | + |
| 49 | + other_channel_name = f'test-RSN2-other-{random_id()}' |
| 50 | + exists_other = other_channel_name in client.channels |
| 51 | + |
| 52 | + assert exists_before is False |
| 53 | + assert exists_after is True |
| 54 | + assert exists_other is False |
| 55 | + |
| 56 | + |
| 57 | +# UTS: rest/unit/RSN2/iterate-channels-1 |
| 58 | +async def test_rsn2_iterate_channels(): |
| 59 | + channel_name_a = f'test-RSN2-a-{random_id()}' |
| 60 | + channel_name_b = f'test-RSN2-b-{random_id()}' |
| 61 | + channel_name_c = f'test-RSN2-c-{random_id()}' |
| 62 | + client = offline_client() |
| 63 | + |
| 64 | + client.channels.get(channel_name_a) |
| 65 | + client.channels.get(channel_name_b) |
| 66 | + client.channels.get(channel_name_c) |
| 67 | + |
| 68 | + channel_names = [channel.name for channel in client.channels] |
| 69 | + |
| 70 | + assert channel_name_a in channel_names |
| 71 | + assert channel_name_b in channel_names |
| 72 | + assert channel_name_c in channel_names |
| 73 | + assert len(channel_names) == 3 |
| 74 | + |
| 75 | + |
| 76 | +# UTS: rest/unit/RSN3a/get-creates-new-channel-0 |
| 77 | +async def test_rsn3a_get_creates_new_channel(): |
| 78 | + channel_name = f'test-RSN3a-{random_id()}' |
| 79 | + client = offline_client() |
| 80 | + |
| 81 | + channel = client.channels.get(channel_name) |
| 82 | + |
| 83 | + assert isinstance(channel, Channel) |
| 84 | + assert channel.name == channel_name |
| 85 | + assert (channel_name in client.channels) is True |
| 86 | + |
| 87 | + |
| 88 | +# UTS: rest/unit/RSN3a/get-returns-existing-channel-1 |
| 89 | +async def test_rsn3a_get_returns_existing_channel(): |
| 90 | + channel_name = f'test-RSN3a-existing-{random_id()}' |
| 91 | + client = offline_client() |
| 92 | + |
| 93 | + channel1 = client.channels.get(channel_name) |
| 94 | + channel2 = client.channels.get(channel_name) |
| 95 | + |
| 96 | + assert channel1 is channel2 |
| 97 | + assert channel1.name == channel_name |
| 98 | + |
| 99 | + |
| 100 | +# UTS: rest/unit/RSN3a/subscript-creates-or-returns-2 |
| 101 | +async def test_rsn3a_subscript_creates_or_returns(): |
| 102 | + channel_name = f'test-RSN3a-subscript-{random_id()}' |
| 103 | + client = offline_client() |
| 104 | + |
| 105 | + channel1 = client.channels[channel_name] |
| 106 | + channel2 = client.channels.get(channel_name) |
| 107 | + channel3 = client.channels[channel_name] |
| 108 | + |
| 109 | + assert channel1 is channel2 |
| 110 | + assert channel2 is channel3 |
| 111 | + assert channel1.name == channel_name |
| 112 | + |
| 113 | + |
| 114 | +# UTS: rest/unit/RSN4a/release-removes-channel-0 |
| 115 | +async def test_rsn4a_release_removes_channel(): |
| 116 | + channel_name = f'test-RSN4a-{random_id()}' |
| 117 | + client = offline_client() |
| 118 | + |
| 119 | + client.channels.get(channel_name) |
| 120 | + assert (channel_name in client.channels) is True |
| 121 | + |
| 122 | + client.channels.release(channel_name) |
| 123 | + |
| 124 | + assert (channel_name in client.channels) is False |
| 125 | + |
| 126 | + |
| 127 | +# UTS: rest/unit/RSN4b/release-nonexistent-noop-0 |
| 128 | +async def test_rsn4b_release_nonexistent_noop(): |
| 129 | + channel_name = f'test-RSN4b-{random_id()}' |
| 130 | + client = offline_client() |
| 131 | + |
| 132 | + client.channels.release(channel_name) |
| 133 | + |
| 134 | + assert (channel_name in client.channels) is False |
| 135 | + |
| 136 | + |
| 137 | +# UTS: rest/unit/RSN3a/get-after-release-new-instance-3 |
| 138 | +async def test_rsn3a_get_after_release_new_instance(): |
| 139 | + channel_name = f'test-RSN3a-release-{random_id()}' |
| 140 | + client = offline_client() |
| 141 | + |
| 142 | + channel1 = client.channels.get(channel_name) |
| 143 | + |
| 144 | + client.channels.release(channel_name) |
| 145 | + |
| 146 | + channel2 = client.channels.get(channel_name) |
| 147 | + |
| 148 | + assert channel1 is not channel2 |
| 149 | + assert channel2.name == channel_name |
| 150 | + assert (channel_name in client.channels) is True |
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