def test_download_badsha1(self):
f = tempfile.NamedTemporaryFile(delete=False)
f.write('asdf')
f.close()
assert util.sha1file(f.name) != self.sha1_gtfs
entity = util.example_feed()
entity.data['url'] = self.url
entity.download(f.name, verify=True, sha1=self.sha1_gtfs)
assert util.sha1file(f.name) == self.sha1_gtfs
def test_download(self): # Download the file, then download again to verify cache. f = tempfile.NamedTemporaryFile(delete=False) f.close() entity = util.example_feed() entity.data['url'] = self.url entity.download(f.name, cache=False) assert util.sha1file(f.name) == self.sha1_gtfs
def test_download(self): # Create a temporary file name, then delete it... # Of course, never do this in non-testing code!! f = tempfile.NamedTemporaryFile() f.close() # Make sure it doesn't exist. assert not os.path.exists(f.name) # Now download, using the deleted temporary file name. util.download(self.url, f.name) assert util.sha1file(f.name) == self.sha1_gtfs
def download(self, filename=None, cache=True, verify=True, sha1=None):
"""Download the GTFS feed to a file. Return filename."""
if cache and self.verify_sha1(filename, sha1):
return filename
filename = util.download(self.url(), filename)
if verify and sha1 and not self.verify_sha1(filename, sha1):
raise errors.InvalidChecksumError(
"Incorrect checksum: %s, expected %s" %
(util.sha1file(filename), sha1))
return filename
def download(self, filename=None, cache=True, verify=True, sha1=None):
"""Download the GTFS feed to a file. Return filename."""
if cache and self.verify_sha1(filename, sha1):
return filename
filename = util.download(self.url(), filename)
if verify and sha1 and not self.verify_sha1(filename, sha1):
raise errors.InvalidChecksumError("Incorrect checksum: %s, expected %s"%(
util.sha1file(filename),
sha1
))
return filename
def verify_sha1(self, filename, sha1):
"""Check if a file is validly cached."""
if os.path.exists(filename):
if sha1 and util.sha1file(filename) == sha1:
return True
return False
def test_sha1file(self): data = util.sha1file(util.example_gtfs_feed_path()) expect = '4e5e6a2668d12cca29c89a969d73e05e625d9596' assert data == expect
def test_download_nofile(self): filename = util.download(self.url) assert util.sha1file(filename) == self.sha1_gtfs
def verify_sha1(self, filename, sha1):
"""Check if a file is validly cached."""
if os.path.exists(filename):
if sha1 and util.sha1file(filename) == sha1:
return True
return False
