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https://github.com/kevinveenbirkenbach/computer-playbook.git
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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
from __future__ import annotations
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import os
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import unittest
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from unittest.mock import MagicMock, patch
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from cli.deploy.development.network import detect_outer_network_mtu
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class TestDetectOuterNetworkMtu(unittest.TestCase):
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@patch.dict(os.environ, {"INFINITO_OUTER_NETWORK_MTU": "1300"}, clear=False)
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def test_prefers_explicit_outer_network_mtu_env(self) -> None:
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self.assertEqual(detect_outer_network_mtu(), "1300")
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@patch.dict(os.environ, {}, clear=True)
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@patch("cli.deploy.development.network.Path.exists", autospec=True)
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@patch("cli.deploy.development.network.Path.read_text", autospec=True)
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def test_reads_outer_network_mtu_from_host_docker_daemon(
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self,
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read_text_mock: MagicMock,
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exists_mock: MagicMock,
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) -> None:
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exists_mock.side_effect = lambda path: str(path) == "/etc/docker/daemon.json"
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read_text_mock.return_value = '{"mtu": 1400}'
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self.assertEqual(detect_outer_network_mtu(), "1400")
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@patch.dict(os.environ, {}, clear=True)
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@patch("cli.deploy.development.network.Path.exists", autospec=True)
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@patch("cli.deploy.development.network.Path.read_text", autospec=True)
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def test_ignores_invalid_daemon_config(
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self,
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read_text_mock: MagicMock,
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exists_mock: MagicMock,
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) -> None:
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exists_mock.side_effect = lambda path: str(path) == "/etc/docker/daemon.json"
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read_text_mock.return_value = '{"mtu": 64}'
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self.assertIsNone(detect_outer_network_mtu())
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if __name__ == "__main__": # pragma: no cover
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unittest.main()
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