f173d5a7c9
If a Command.run fails with an error code != 0 but not data was produced on the stderr channel, we provide this as information to the caller
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
from nose.tools import *
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from mock import patch
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from collections import namedtuple
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import mock
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import os
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from . import nose_helper
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from kiwi.exceptions import KiwiCommandError
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from kiwi.command import Command
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class TestCommand(object):
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@raises(KiwiCommandError)
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@patch('subprocess.Popen')
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def test_run_raises_error(self, mock_popen):
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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 = 1
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mock_popen.return_value = mock_process
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Command.run(['command', 'args'])
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@patch('subprocess.Popen')
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def test_run_does_not_raise_error(self, mock_popen):
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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 == '(no output on stderr)'
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assert result.output == 'stdout'
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@patch('subprocess.Popen')
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def test_run(self, mock_popen):
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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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assert Command.run(['command', 'args']) == run_result
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@raises(KiwiCommandError)
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def test_run_command_does_not_exist(self):
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Command.run(['does-not-exist'])
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@raises(KiwiCommandError)
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def test_call_command_does_not_exist(self):
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Command.call(['does-not-exist'], os.environ)
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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):
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mock_select.return_value = [True, False, False]
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mock_process = mock.Mock()
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mock_popen.return_value = mock_process
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command_call = namedtuple(
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'command', [
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'output', 'output_available',
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'error', 'error_available',
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'process'
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]
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)
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call = Command.call(['command', 'args'])
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assert call.output_available()
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assert call.error_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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