def test_cyclic_deps(capsys, mpkgs, expected_keys, expected_output):
tree = mock_PackageDAG(mpkgs)
result = p.cyclic_deps(tree)
result_keys = [(a.key, b.key, c.key) for (a, b, c) in result]
assert sorted(expected_keys) == sorted(result_keys)
p.render_cycles_text(result)
captured = capsys.readouterr()
assert '\n'.join(expected_output).strip() == captured.err.strip()
def test_cyclic_dependencies():
cyclic_pkgs, dist_index, tree = venv_fixture('tests/virtualenvs/cyclicenv.pickle')
cyclic = [map(attrgetter('key'), cs) for cs in cyclic_deps(tree)]
assert len(cyclic) == 2
a, b, c = cyclic[0]
x, y, z = cyclic[1]
assert a == c == y
assert x == z == b
def test_cyclic_dependencies():
cyclic_pkgs, dist_index, tree = venv_fixture('tests/virtualenvs/cyclicenv.pickle')
cyclic = [map(attrgetter('key'), cs) for cs in cyclic_deps(tree)]
assert len(cyclic) == 2
a, b, c = cyclic[0]
x, y, z = cyclic[1]
assert a == c == y
assert x == z == b
def get_cyclic_dependencies(tree):
"""Returns sorted cyclic dependencies
:param tree: dictionary of dependencies
:return: sorted dict of cyclic dependencies
"""
cyclic_dependencies = dict(pipdeptree.cyclic_deps(tree))
if cyclic_dependencies:
cyclic_data = []
for package in sorted(cyclic_dependencies, key=lambda p: p.key):
for dependency in sorted(cyclic_dependencies[package],
key=lambda d: d.key):
cyclic_data.append([
printer.printable_package(dependency.key), package.key,
get_required_package_version(dependency),
get_installed_package_version(dependency)
])
return cyclic_data