def dummyFile(self, filename, expected):
f = self.tmp.write(filename, b'EOF')
crawler = Crawler()
ref = Sourcefile._make(
['', '', expected[0], expected[1], expected[2]])
res = crawler._parseFileName(f)
self.assertEquals(ref[2], res[2])
self.assertEquals(ref[3], res[3])
self.assertEquals(ref[4], res[4])
