def test_write_cache_file():
from xylem.sources_list import write_cache_file, compute_filename_hash
tempdir = tempfile.mkdtemp()
filepath = write_cache_file(tempdir, 'foo', {'data': 1})
computed_path = os.path.join(tempdir, compute_filename_hash('foo'))
assert os.path.samefile(filepath, computed_path)
with open(filepath, 'r') as f:
assert {'data': 1} == yaml.load(f.read())
def test_update_sources_list():
from xylem.sources_list import update_sources_list, InvalidData, compute_filename_hash
sources_list_dir=get_test_dir()
tempdir = tempfile.mkdtemp()
# use a subdirectory of test dir to make sure xylem creates the necessary substructure
tempdir = os.path.join(tempdir, 'newdir')
errors = []
def error_handler(loc, e):
errors.append((loc, e))
retval = update_sources_list(sources_list_dir=sources_list_dir,
sources_cache_dir=tempdir, error_handler=error_handler)
assert retval
assert len(retval) == 2, retval
# one of our sources is intentionally bad, this should be a softfail
assert len(errors) == 1, errors
assert errors[0][0].url == 'https://badhostname.willowgarage.com/xylem.yaml'
source0, path0 = retval[0]
assert source0.origin.endswith('20-default.list'), source0
hash1 = compute_filename_hash(GITHUB_URL)
hash2 = compute_filename_hash(BADHOSTNAME_URL)
filepath = os.path.join(tempdir, hash1)
assert filepath == path0, "%s vs %s"%(filepath, path0)
with open(filepath, 'r') as f:
data = yaml.load(f)
assert 'cmake' in data
# verify that cache index exists. contract specifies that even
# failed downloads are specified in the index, just in case old
# download data is present.
with open(os.path.join(tempdir, 'index'), 'r') as f:
index = f.read().strip()
expected = """#autogenerated by xylem, do not edit. use 'xylem update' instead
yaml %s
yaml %s python
yaml %s ubuntu"""%(GITHUB_URL, GITHUB_PYTHON_URL, BADHOSTNAME_URL)
assert expected == index, "\n[%s]\nvs\n[%s]"%(expected, index)