def test_version_info_tuple_empty_version_obj():
"""Check the function vt() for empty version object."""
version_obj = ""
version_info = vt(version_obj)
assert len(version_info) == 4
assert version_info[0] == 0
assert version_info[1] == 0
assert version_info[2] == 0
assert version_info[3] == tuple()
def test_version_info_tuple():
"""Check the function vt()."""
version_str = "2.0.rc1"
package_name = "test_package"
version_obj = cvs(version_str, package_name)
version_info = vt(version_obj)
assert len(version_info) == 4
assert version_info[0] == version_obj.major
assert version_info[1] == version_obj.minor
assert version_info[2] == version_obj.patch
assert version_info[3] == version_obj.build
version_obj = ""
version_info = vt(version_obj)
assert len(version_info) == 4
assert version_info[0] == 0
assert version_info[1] == 0
assert version_info[2] == 0
assert version_info[3] == tuple()