def test_parser_is_able_to_merge_expresion_result(self):
"""Parser must be able to merge expresion results into one dict."""
final_output = {}
part_output = {'a': 3}
parser = Parser()
parser.merge_output(final_output, part_output)
assert final_output == part_output
def test_must_support_file_parsing(self):
raw_data = u('8am - brekfast\n9am - work\n12am - lunch break\n')
parser = Parser(
SimpleExpression('hour', r'([12]?\d)(am|pm)', time_12_to_24)
)
data = parser.parse_file(io.StringIO(raw_data))
assert set(data['hour']) == {8, 9, 12}
def test_minimal_constructor(self):
"""Parser API has to be simple enough to construct it on a fly."""
parser = Parser(
SimpleExpression('hour', r'([12]?\d)(am|pm)', time_12_to_24)
)
assert parser.line('1pm') == {'hour': 13}
assert parser.line('10am') == {'hour': 10}
assert parser.line('8pm') == {'hour': 20}
def test_multiple_values_should_be_concatinated_a_list(self):
parser = Parser(
SimpleExpression('hour', r'([12]?\d)(am|pm)', time_12_to_24)
)
assert parser.line('1pm-4am') == {'hour': [13, 4]}