def test_op_type_check_with_wrong_type():
"""
with input type TYPE_IDENTIFIER, check if None is returned by op_type_check.
"""
meta = TM({
"tables": [
{"fields": [{'name': 'col', 'type': TM.TYPE_IDENTIFIER}]}
]})
op = FakeOp('col')
meta2 = op.op_type_check(meta)
assert meta2 is None
assert meta.get_type('col') == TM.TYPE_IDENTIFIER
assert op.input_type is TM.TYPE_IDENTIFIER and op.output_type is None
def test_op_type_check_with_correct_type2():
"""
With input type TYPE_TEXT, check if input_type and output_type are correct.
"""
meta = TM({
"tables": [
{"fields": [{'name': 'col', 'type': TM.TYPE_TEXT}]}
]})
op = FakeOp('col')
meta2 = op.op_type_check(meta)
assert meta2 == meta
assert meta.get_type('col') == TM.TYPE_BOOL
assert op.input_type == TM.TYPE_TEXT and op.output_type == TM.TYPE_BOOL