def test_build_dependencies_needs_system(tmp_path):
"""pip3 is called with --system when pip3 needs it."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': ['reqs'],
})
with patch('charmcraft.commands.build._pip_needs_system') as is_bionic:
is_bionic.return_value = True
with patch('charmcraft.commands.build.polite_exec') as mock:
mock.return_value = 0
builder.handle_dependencies()
envpath = build_dir / VENV_DIRNAME
assert mock.mock_calls == [
call(['pip3', 'list']),
call([
'pip3', 'install', '--target={}'.format(envpath), '--system',
'--requirement=reqs'
]),
]
def test_build_dependencies_virtualenv_multiple(tmp_path, config):
"""A virtualenv is created with multiple requirements files."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder(
{
"from": tmp_path,
"entrypoint": "whatever",
"requirement": ["reqs1.txt", "reqs2.txt"],
},
config,
)
with patch("charmcraft.commands.build.polite_exec") as mock:
mock.return_value = 0
builder.handle_dependencies()
envpath = build_dir / VENV_DIRNAME
assert mock.mock_calls == [
call(["pip3", "list"]),
call([
"pip3",
"install",
"--target={}".format(envpath),
"--requirement=reqs1.txt",
"--requirement=reqs2.txt",
]),
]
def test_build_dependencies_needs_system(tmp_path, config):
"""pip3 is called with --system when pip3 needs it."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder(
{
"from": tmp_path,
"entrypoint": "whatever",
"requirement": ["reqs"],
},
config,
)
with patch("charmcraft.commands.build._pip_needs_system") as is_bionic:
is_bionic.return_value = True
with patch("charmcraft.commands.build.polite_exec") as mock:
mock.return_value = 0
builder.handle_dependencies()
envpath = build_dir / VENV_DIRNAME
assert mock.mock_calls == [
call(["pip3", "list"]),
call([
"pip3",
"install",
"--target={}".format(envpath),
"--system",
"--requirement=reqs",
]),
]
def test_build_dependencies_virtualenv_none(tmp_path):
"""The virtualenv is NOT created if no needed."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': [],
})
with patch('charmcraft.commands.build.polite_exec') as mock:
builder.handle_dependencies()
mock.assert_not_called()
def test_build_dependencies_virtualenv_error_basicpip(tmp_path):
"""Process is properly interrupted if using pip fails."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': ['something'],
})
with patch('charmcraft.commands.build.polite_exec') as mock:
mock.return_value = -7
with pytest.raises(CommandError, match="problems using pip"):
builder.handle_dependencies()
def test_build_dependencies_virtualenv_error_installing(tmp_path):
"""Process is properly interrupted if virtualenv creation fails."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': ['something'],
})
with patch('charmcraft.commands.build.polite_exec') as mock:
mock.side_effect = [0, -7]
with pytest.raises(CommandError, match="problems installing dependencies"):
builder.handle_dependencies()
def test_build_dependencies_virtualenv_error_basicpip(tmp_path, config):
"""Process is properly interrupted if using pip fails."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder(
{
"from": tmp_path,
"entrypoint": "whatever",
"requirement": ["something"],
},
config,
)
with patch("charmcraft.commands.build.polite_exec") as mock:
mock.return_value = -7
with pytest.raises(CommandError, match="problems using pip"):
builder.handle_dependencies()
def test_build_dependencies_virtualenv_none(tmp_path, config):
"""The virtualenv is NOT created if no needed."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder(
{
"from": tmp_path,
"entrypoint": "whatever",
"requirement": [],
},
config,
)
with patch("charmcraft.commands.build.polite_exec") as mock:
builder.handle_dependencies()
mock.assert_not_called()
def test_build_dependencies_virtualenv_error_installing(tmp_path, config):
"""Process is properly interrupted if virtualenv creation fails."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder(
{
"from": tmp_path,
"entrypoint": "whatever",
"requirement": ["something"],
},
config,
)
with patch("charmcraft.commands.build.polite_exec") as mock:
mock.side_effect = [0, -7]
with pytest.raises(CommandError,
match="problems installing dependencies"):
builder.handle_dependencies()
def test_build_dependencies_virtualenv_simple(tmp_path):
"""A virtualenv is created with the specified requirements file."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': ['reqs.txt'],
})
with patch('charmcraft.commands.build.polite_exec') as mock:
mock.return_value = 0
builder.handle_dependencies()
envpath = build_dir / VENV_DIRNAME
assert mock.mock_calls == [
call(['pip3', 'list']),
call(['pip3', 'install', '--target={}'.format(envpath), '--requirement=reqs.txt']),
]
def test_build_dependencies_copied_dirs(tmp_path):
"""The libs with dependencies are properly transferred."""
build_dir = tmp_path / BUILD_DIRNAME
build_dir.mkdir()
mod_dir = tmp_path / 'mod'
mod_dir.mkdir()
lib_dir = tmp_path / 'lib'
lib_dir.mkdir()
builder = Builder({
'from': tmp_path,
'entrypoint': 'whatever',
'requirement': [],
})
builder.handle_dependencies()
# check symlinks were created for those
built_mod_dir = build_dir / 'mod'
assert built_mod_dir.is_symlink()
assert built_mod_dir.resolve() == mod_dir
built_lib_dir = build_dir / 'lib'
assert built_lib_dir.is_symlink()
assert built_lib_dir.resolve() == lib_dir
