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import unittest.mock as mock
import os
from unittest.mock import patch
from pytest import raises
from kiwi.system.kernel import Kernel
from kiwi.exceptions import KiwiKernelLookupError
class TestKernel:
@patch('os.listdir')
@patch('os.path.isdir')
def setup(self, mock_path_isdir, mock_listdir):
mock_path_isdir.return_value = True
mock_listdir.return_value = ['1.2.3-default']
self.kernel = Kernel('root-dir')
@patch('os.listdir')
@patch('os.path.isdir')
def setup_method(self, cls, mock_path_isdir, mock_listdir):
self.setup()
def test_get_kernel_raises_if_no_kernel_found(self):
self.kernel.kernel_names = []
with raises(KiwiKernelLookupError):
self.kernel.get_kernel(raise_on_not_found=True)
def test_get_kernel_returns_none(self):
self.kernel.kernel_names = []
assert self.kernel.get_kernel() is None
@patch('os.path.exists')
@patch('os.path.realpath')
def test_get_kernel(self, mock_os_path_realpath, mock_os_path_exists):
mock_os_path_exists.return_value = True
kernel = self.kernel.get_kernel()
assert kernel.filename == 'root-dir/boot/uImage-1.2.3-default'
assert kernel.version == '1.2.3-default'
assert kernel.name == os.path.basename(
mock_os_path_realpath.return_value
)
@patch('os.path.exists')
def test_get_xen_hypervisor(self, mock_os):
mock_os.return_value = True
data = self.kernel.get_xen_hypervisor()
assert data.filename == 'root-dir/boot/xen.gz'
assert data.name == 'xen.gz'
@patch('os.path.exists')
def test_get_xen_hypervisor_not_found(self, mock_os):
mock_os.return_value = False
assert self.kernel.get_xen_hypervisor() is None
@patch('kiwi.system.kernel.Kernel.get_kernel')
@patch('kiwi.command.Command.run')
def test_copy_kernel(self, mock_run, mock_get_kernel):
result = mock.MagicMock()
result.version = '42'
result.filename = 'kernel'
mock_get_kernel.return_value = result
assert self.kernel.copy_kernel('target-dir') is None
mock_run.assert_called_once_with(
['cp', 'kernel', 'target-dir/kernel-42.kernel']
)
@patch('kiwi.system.kernel.Kernel.get_xen_hypervisor')
@patch('kiwi.command.Command.run')
def test_copy_xen_hypervisor(self, mock_run, mock_get_xen):
result = mock.MagicMock()
result.name = 'xen.gz'
result.filename = 'some/xen.gz'
mock_get_xen.return_value = result
assert self.kernel.copy_xen_hypervisor('target-dir') is None
mock_run.assert_called_once_with(
['cp', 'some/xen.gz', 'target-dir/hypervisor-xen.gz']
)
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