def test_diff_example_1():
data_dpath = Path(__file__).parent
with (data_dpath / "data" / "1-left-response.json").open("rt") as fp:
left_dpath = json.loads(fp.read())
with (data_dpath / "data" / "1-right-response.json").open("rt") as fp:
right_dpath = json.loads(fp.read())
differ = Differ()
# Select all fields that the last element name ends with '_date'
date_selector = DateSelector()
# The documents still have their dates as strings. Run the nomalizer that checks to see
# if it can parse the string as a date and convert it to today() as a date string.
date_normalizer = StrTodayDateNormalizer(selectors=date_selector)
# Normalize floats to have only 3 significant digits.
float_normalizer = FloatRoundNormalizer(3)
result = differ.diff(
left_dpath,
right_dpath,
normalizers=[float_normalizer, date_normalizer],
max_col_width=50,
)
assert result
print(result.support)
def float_two_precision_match():
differ = Differ()
# Normalize the 'a' element to 1 decimal place.
a_selector = ListLastComponentSelector(component_names=["a"])
one_float_round_normalizer = FloatRoundNormalizer(places=1,
selectors=[a_selector])
# Normalize the 'b' element to 2 decimal places.
b_selector = ListLastComponentSelector(component_names=["b"])
two_float_round_normalizer = FloatRoundNormalizer(places=2,
selectors=[b_selector])
result = differ.diff(
OBJ_1,
OBJ_2,
normalizers=[two_float_round_normalizer, one_float_round_normalizer],
)
assert result
print(result.support)
def selector_multiple_match():
differ = Differ()
a_selector = ListLastComponentSelector(component_names=["a"])
b_selector = ListLastComponentSelector(component_names=["b"])
float_round_normalizer = FloatRoundNormalizer(
places=1, selectors=[a_selector, b_selector])
result = differ.diff(OBJ_1, OBJ_2, normalizers=[float_round_normalizer])
assert result
print(result.support)
def float_match():
differ = Differ()
float_round_normalizer = FloatRoundNormalizer(places=1)
result = differ.diff(OBJ_1, OBJ_2, normalizers=[float_round_normalizer])
assert result
print(result.support)
def test_round_normalizer_no_match():
path = Path("a")
selector = ListLastComponentSelector(["b"])
normalizer = FloatRoundNormalizer(2, selectors=selector)
result = normalizer.normalize(1.0001, path, normalizers=[normalizer])
assert result == 1.0001
def test_round_normalizer_no_selector():
path = Path("a")
normalizer = FloatRoundNormalizer(2)
result = normalizer.normalize(1.0001, path, normalizers=[normalizer])
assert result == 1.00
def test_json_encoder_float():
result = Sorter.sorted(LEFT_FLOAT,
normalizers=FloatRoundNormalizer(places=2))
assert result[0] == 1.12