def test_parse_dpkg_hook_wrong_version():
"""Calling parse_dpkg_hook() with an unsupported version line should raise RuntimeError."""
input_lines = [
'VERSION 4\n',
'APT::Architecture=amd64\n',
]
with pytest.raises(RuntimeError, match='Unsupported version'):
cli.parse_dpkg_hook(input_lines)
def test_parse_dpkg_hook_no_version():
"""Calling parse_dpkg_hook() with a wrongly formatted version line should raise RuntimeError."""
with pytest.raises(RuntimeError,
match='Expected VERSION line to be the first one'):
input_lines = [
'VER 1\n',
'APT::Architecture=amd64\n',
]
cli.parse_dpkg_hook(input_lines)
def test_parse_dpkg_hook_no_separator():
"""Calling parse_dpkg_hook() with no empty separator should raise a RuntimeError."""
input_lines = [
'VERSION 3\n',
'APT::Architecture=amd64\n',
]
with pytest.raises(
RuntimeError,
match='Unable to find the empty line separator in input'):
cli.parse_dpkg_hook(input_lines)
def test_parse_dpkg_hook_no_packages():
"""Calling parse_dpkg_hook() with no update lines should return an empty dictionary."""
input_lines = [
'VERSION 3\n',
'APT::Architecture=amd64\n',
'\n',
]
assert cli.parse_dpkg_hook(input_lines) == {}
def test_parse_dpkg_hook(version, apt_line):
"""Calling parse_dpkg_hook() should parse the list of packages reported by a Dpkg::Pre-Install-Pkgs hook."""
mocked_apt.cache.Cache().__getitem__.return_value = apt_line[2]
input_lines = _get_dpkg_hook_preamble(
version) + APT_HOOK_LINES[version][apt_line[0]:apt_line[1]]
packages = cli.parse_dpkg_hook(input_lines)
expected_packages = {'installed': [], 'upgradable': [], 'uninstalled': []}
package = {'name': 'package-name', 'version': '', 'source': 'package-name'}
if apt_line[0] == 2:
pass # Re-installed package, no changes
elif apt_line[0] == 8:
package['version'] = apt_line[2].installed.version
expected_packages['uninstalled'].append(package)
else:
package['version'] = apt_line[2].candidate.version
expected_packages['installed'].append(package)
assert packages == expected_packages