def test_trim_passthroughIfLengthsMatch(self):
left_stanza = "@id.1\nACGTACGT\n+\nQQQQQQQQ"
right_stanza = "@id.2\nTGCATGCA\n+\nQQQQQQQQ"
source_left = MockReader(left_stanza)
source_right = MockReader(right_stanza)
dest_left = MockWriter()
dest_right = MockWriter()
trim(source_left, source_right, dest_left, dest_right)
self.assertEqual(left_stanza.splitlines(), dest_left.lines())
self.assertEqual(right_stanza.splitlines(), dest_right.lines())
def test_trim_trimsToMinLength(self):
left_stanza = "@id.1\nACGT\n+\nQQQQ"
right_stanza = "@id.2\nTGCATGCA\n+\nQQQQQQQQ"
source_left = MockReader(left_stanza)
source_right = MockReader(right_stanza)
dest_left = MockWriter()
dest_right = MockWriter()
trim(source_left, source_right, dest_left, dest_right)
self.assertEqual(left_stanza.splitlines(), dest_left.lines())
self.assertEqual(["@id.2", "TGCA", "+", "QQQQ"], dest_right.lines())
