def test_no_progress_when_stderr_not_a_tty(self):
# Create a collection with a big file (>64MB) to force the progress
# to be printed
c = collection.Collection()
with c.open('bigfile.txt', 'wb') as f:
for _ in range(65):
f.write("x" * 1024 * 1024)
c.save_new()
tmpdir = self.make_tmpdir()
# Simulate a TTY stderr
stderr = mock.MagicMock()
stdout = tutil.BytesIO()
# Confirm that progress is written to stderr when is a tty
stderr.isatty.return_value = True
r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
'{}/bigfile.txt'.format(tmpdir)],
stdout, stderr)
self.assertEqual(0, r)
self.assertEqual(b'', stdout.getvalue())
self.assertTrue(stderr.write.called)
# Clean up and reset stderr mock
os.remove('{}/bigfile.txt'.format(tmpdir))
stderr = mock.MagicMock()
stdout = tutil.BytesIO()
# Confirm that progress is not written to stderr when isn't a tty
stderr.isatty.return_value = False
r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
'{}/bigfile.txt'.format(tmpdir)],
stdout, stderr)
self.assertEqual(0, r)
self.assertEqual(b'', stdout.getvalue())
self.assertFalse(stderr.write.called)
def write_test_collection(self,
contents = {
'foo.txt' : 'foo',
'bar.txt' : 'bar',
'subdir/baz.txt' : 'baz',
}):
c = collection.Collection()
for path, data in contents.items():
with c.open(path, 'w') as f:
f.write(data)
c.save_new()
return (c.manifest_locator(), c.portable_data_hash(), c.manifest_text())