141 lines
5.0 KiB
Python
141 lines
5.0 KiB
Python
from unittest.mock import patch
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from collections import namedtuple
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from pytest import raises
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import unittest.mock as mock
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import os
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import pytest
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from kiwi.command import Command
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from kiwi.exceptions import (
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KiwiCommandError,
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KiwiCommandNotFound
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)
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class TestCommand:
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@patch('kiwi.path.Path.which')
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@patch('subprocess.Popen')
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def test_run_raises_error(self, mock_popen, mock_which):
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mock_which.return_value = 'command'
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mock_process = mock.Mock()
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mock_process.communicate = mock.Mock(
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return_value=[str.encode(''), str.encode('')]
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)
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mock_process.returncode = 1
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mock_popen.return_value = mock_process
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with raises(KiwiCommandError):
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Command.run(['command', 'args'])
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@patch('kiwi.path.Path.which')
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@patch('subprocess.Popen')
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def test_run_failure(self, mock_popen, mock_which):
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mock_which.return_value = 'command'
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mock_popen.side_effect = OSError('Run failure')
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with raises(KiwiCommandError):
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Command.run(['command', 'args'])
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def test_run_invalid_environment(self):
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with raises(KiwiCommandNotFound):
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Command.run(['command', 'args'], custom_env={'PATH': '/root'})
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@patch('kiwi.path.Path.which')
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@patch('subprocess.Popen')
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def test_run_does_not_raise_error(self, mock_popen, mock_which):
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mock_which.return_value = 'command'
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mock_process = mock.Mock()
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mock_process.communicate = mock.Mock(
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return_value=[str.encode('stdout'), str.encode('')]
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)
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mock_process.returncode = 1
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mock_popen.return_value = mock_process
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result = Command.run(['command', 'args'], os.environ, False)
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assert result.error == ''
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assert result.output == 'stdout'
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@patch('kiwi.path.Path.which')
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def test_run_does_not_raise_error_if_command_not_found(self, mock_which):
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mock_which.return_value = None
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result = Command.run(['command', 'args'], os.environ, raise_on_command_not_found=False)
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assert result is None
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@patch('kiwi.path.Path.which')
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@patch('os.path.exists')
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@patch('subprocess.Popen')
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def test_run_does_not_call_which_for_abspaths(self, mock_popen, mock_exists, mock_which):
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mock_exists.return_value = True
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proc = mock.MagicMock()
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proc.communicate.return_value = (str.encode("stdout"), str.encode("stderr"))
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proc.returncode = 0
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mock_popen.return_value = proc
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result = Command.run(['/bin/command', 'args'])
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mock_which.assert_not_called()
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assert result is not None
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@patch('kiwi.path.Path.which')
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@patch('os.path.exists')
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def test_run_fails_for_non_existent_abspath(self, mock_exists, mock_which):
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mock_exists.return_value = False
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with pytest.raises(KiwiCommandNotFound) as cmd_not_found_err:
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Command.run(['/bin/command', 'args'])
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mock_which.assert_not_called()
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assert '"/bin/command" not found' in str(cmd_not_found_err.value)
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@patch('os.access')
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@patch('os.path.exists')
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@patch('subprocess.Popen')
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def test_run(self, mock_popen, mock_exists, mock_access):
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mock_exists.return_value = True
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command_run = namedtuple(
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'command', ['output', 'error', 'returncode']
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)
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run_result = command_run(
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output='stdout',
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error='stderr',
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returncode=0
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)
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mock_process = mock.Mock()
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mock_process.communicate = mock.Mock(
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return_value=[str.encode('stdout'), str.encode('stderr')]
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)
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mock_process.returncode = 0
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mock_popen.return_value = mock_process
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mock_access.return_value = True
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assert Command.run(['command', 'args']) == run_result
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def test_run_command_does_not_exist(self):
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with raises(KiwiCommandNotFound):
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Command.run(['does-not-exist'])
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def test_call_command_does_not_exist(self):
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with raises(KiwiCommandNotFound):
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Command.call(['does-not-exist'], os.environ)
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@pytest.mark.parametrize("available", (True, False))
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@patch('kiwi.path.Path.which')
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@patch('subprocess.Popen')
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@patch('select.select')
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def test_call(self, mock_select, mock_popen, mock_which, available: bool):
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mock_which.return_value = 'command'
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mock_select.return_value = [True, False, not available]
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mock_process = mock.Mock()
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mock_popen.return_value = mock_process
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call = Command.call(['command', 'args'])
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assert call.output_available() == available
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assert call.error_available() == available
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assert call.output == mock_process.stdout
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assert call.error == mock_process.stderr
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assert call.process == mock_process
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@patch('kiwi.path.Path.which')
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@patch('subprocess.Popen')
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def test_call_failure(self, mock_popen, mock_which):
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mock_which.return_value = 'command'
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mock_popen.side_effect = KiwiCommandError('Call failure')
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with raises(KiwiCommandError):
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Command.call(['command', 'args'])
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