def testEq(self):
"""Test value_eq on LazyLineReader."""
baseline = repeated.meld("Alice\n", "Bob\n", "Charlie\n", "Dave\n",
"Eve\n", "Frank")
with open(testlib.get_fixture_path("names.txt"), "r") as fd:
reader = line_reader.LazyLineReader(fd)
self.assertValuesEqual(baseline, reader)
def testReading(self):
"""Test that reader reads the same lines as the File object."""
with open(testlib.get_fixture_path("names.txt"), "r") as fd:
line_count = len(list(fd))
# The fact that the fd.tell() is now at EOF shouldn't matter.
reader = line_reader.LazyLineReader(fd)
self.assertEqual(len(list(reader)), line_count)
def testRestarting(self):
"""Test that the reader can restart and support multiple users."""
with open(testlib.get_fixture_path("names.txt"), "r") as fd:
reader = line_reader.LazyLineReader(fd)
iterator = iter(reader)
iterator2 = iter(reader)
self.assertEqual(next(iterator), next(iterator2))
def testCloseInDestructor(self):
fd = open(testlib.get_fixture_path("names.txt"), "r")
reader = line_reader.LazyLineReader(fd)
for _ in reader:
pass
reader = None
self.assertTrue(fd.closed)