def test_format_spec():
raw = 'i haz {0:.1f} field'
cmd = parse(raw)
expected = [
Text('i haz ', 0, 6),
Field('0', 6, 13, '.1f', None),
Text(' field', 13, 19)
]
assert cmd.nodes == expected
def test_conversion():
raw = 'i haz {one!r} field'
cmd = parse(raw)
expected = [
Text('i haz ', 0, 6),
Field('one', 6, 13, '', 'r'),
Text(' field', 13, 19)
]
assert cmd.nodes == expected
def test_simple_replacement_field():
raw = 'i haz {one} field'
cmd = parse(raw)
expected = [
Text('i haz ', 0, 6),
Field('one', 6, 11),
Text(' field', 11, 17)
]
assert cmd.nodes == expected
def test_automatic_numbering():
raw = 'i haz {} {} flags'
cmd = parse(raw)
expected = [
Text('i haz ', 0, 6),
Field('0', 6, 8),
Text(' ', 8, 9),
Field('1', 9, 11),
Text(' flags', 11, 17)
]
assert cmd.nodes == expected
def test_it_supports_flags():
raw = 'i haz {-1} {--two} flags'
cmd = parse(raw)
expected = [
Text('i haz ', 0, 6),
Field('-1', 6, 10),
Text(' ', 10, 11),
Field('--two', 11, 18),
Text(' flags', 18, 24)
]
assert cmd.nodes == expected
def test_command_apply():
raw = 'i haz {} {:.2f} fields'
cmd = parse(raw)
output = cmd.apply({'0': 'zaroo', '1': 1 / 3, 'foo': {'bar': 42}})
expected = [
(False, 'i haz '),
(True, 'zaroo'),
(False, ' '),
(True, '0.33'),
(False, ' fields'),
]
assert expected == output
def test_field_getattr():
raw = 'i haz {foo.bar} field'
with pytest.raises(ParsingError):
cmd = parse(raw)
def test_field_getitem():
raw = 'i haz {foo[bar]} field'
with pytest.raises(ParsingError):
cmd = parse(raw)
def test_field_inside_format_spec():
raw = 'i haz {one:%s {2}} field'
with pytest.raises(ParsingError, match='not supported'):
cmd = parse(raw)
def test_it_cannot_switch_from_auto_to_manual_numbering():
raw = 'i haz {1} {} fields'
with pytest.raises(ParsingError, match='field numbering'):
cmd = parse(raw)
def test_no_replacement_fields():
raw = 'i haz no fields'
cmd = parse(raw)
expected = [Text(raw, 0, 15)]
assert cmd.nodes == expected