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import pytest
import datetime
from time import sleep
from unittest import mock
from functools import partial
from collections import namedtuple
from deepdiff import DeepHash
from deepdiff.helper import pypy3
from deepdiff.model import DiffLevel
from deepdiff.diff import (
DeepDiff, PROGRESS_MSG, INVALID_VIEW_MSG, VERBOSE_LEVEL_RANGE_MSG,
PURGE_LEVEL_RANGE_MSG)
from concurrent.futures.process import ProcessPoolExecutor
from concurrent.futures import as_completed
from ipaddress import IPv4Address
# Only the prep part of DeepHash. We don't need to test the actual hash function.
DeepHashPrep = partial(DeepHash, apply_hash=False)
def prep_str(obj, ignore_string_type_changes=True):
return obj if ignore_string_type_changes else 'str:{}'.format(obj)
Point = namedtuple('Point', ["x"])
point_obj = Point(x=11)
class SlowDiffLevel(DiffLevel):
is_run = False
def __init__(self, *args, **kwargs):
sleep(.1)
super().__init__(*args, **kwargs)
class TestDiffOther:
@mock.patch('deepdiff.diff.DiffLevel', side_effect=SlowDiffLevel)
def test_repeated_timer(self, MockDiffLevel):
t1 = [1, [2]]
t2 = [1, [3]]
progress_logger = mock.Mock()
DeepDiff(t1, t2, log_frequency_in_sec=0.02, progress_logger=progress_logger)
assert PROGRESS_MSG.format(0, 0, 0) == progress_logger.call_args[0][0]
def test_invalid_view(self):
t1 = [1]
t2 = [2]
with pytest.raises(ValueError) as excinfo:
DeepDiff(t1, t2, view='blah')
assert str(excinfo.value) == INVALID_VIEW_MSG.format('blah')
def test_truncate_datetime(self):
d1 = {'a': datetime.datetime(2020, 5, 17, 22, 15, 34, 913070)}
d2 = {'a': datetime.datetime(2020, 5, 17, 22, 15, 39, 296583)}
res = DeepDiff(d1, d2, truncate_datetime='minute')
assert res == {}
res = DeepDiff(d1, d2, truncate_datetime='second')
expected = datetime.datetime(2020, 5, 17, 22, 15, 39, tzinfo=datetime.timezone.utc)
assert res['values_changed']["root['a']"]['new_value'] == expected
d1 = {'a': datetime.time(22, 15, 34, 913070)}
d2 = {'a': datetime.time(22, 15, 39, 296583)}
res = DeepDiff(d1, d2, truncate_datetime='minute')
assert res == {}
res = DeepDiff(d1, d2, truncate_datetime='second')
assert res['values_changed']["root['a']"]['new_value'] == 80139
def test_invalid_verbose_level(self):
with pytest.raises(ValueError) as excinfo:
DeepDiff(1, 2, verbose_level=5)
assert str(excinfo.value) == VERBOSE_LEVEL_RANGE_MSG
def test_invalid_cache_purge_level(self):
with pytest.raises(ValueError) as excinfo:
DeepDiff(1, 2, cache_purge_level=5)
assert str(excinfo.value) == PURGE_LEVEL_RANGE_MSG
def test_cache_purge_level_max(self):
diff = DeepDiff([1], [2], cache_purge_level=1)
assert len(diff.__dict__.keys()) > 10
diff2 = DeepDiff([1], [2], cache_purge_level=2)
assert not diff2.__dict__
expected = {'values_changed': {'root[0]': {'new_value': 2, 'old_value': 1}}}
assert expected == diff2
diff2 = DeepDiff([1], [2], cache_purge_level=2, view='tree')
assert not diff2.__dict__
assert list(diff2.keys()) == ['values_changed']
def test_path_cache(self):
diff = DeepDiff([1], [2], cache_purge_level=2, view='tree')
path1 = diff['values_changed'][0].path()
path2 = diff['values_changed'][0].path()
assert 'root[0]' == path1 == path2
def test_bool_str1(self):
t1 = {'key1': True}
t2 = {'key1': 'Yes'}
diff = DeepDiff(t1, t2, ignore_type_in_groups=[(bool, str)],
ignore_numeric_type_changes=True)
expected = {
'values_changed': {
"root['key1']": {
'new_value': 'Yes',
'old_value': True
}
}
}
assert diff == expected
def test_bool_str2(self):
t1 = {"default": True}
t2 = {"default": "true"}
diff = DeepDiff(
t1,
t2,
ignore_type_in_groups=[(bool, str)],
ignore_string_type_changes=True)
expected = {'values_changed': {"root['default']": {'new_value': 'true',
'old_value': True}}}
assert diff == expected
diff2 = DeepDiff(
t2,
t1,
ignore_type_in_groups=[(bool, str)],
ignore_string_type_changes=True)
expected2 = {'values_changed': {"root['default']": {'new_value': True, 'old_value': 'true'}}}
assert diff2 == expected2
def test_get_distance_cache_key(self):
result = DeepDiff._get_distance_cache_key(added_hash=5, removed_hash=20)
assert b'0x14--0x5dc' == result
def test_multi_processing1(self):
t1 = [[1, 2, 3, 9], [1, 2, 4, 10]]
t2 = [[1, 2, 4, 10], [1, 2, 3, 10]]
futures = []
expected_result = {
'values_changed': {
'root[0][2]': {
'new_value': 4,
'old_value': 3
},
'root[0][3]': {
'new_value': 10,
'old_value': 9
},
'root[1][2]': {
'new_value': 3,
'old_value': 4
}
}
}
with ProcessPoolExecutor(max_workers=1) as executor:
futures.append(executor.submit(DeepDiff, t1, t2))
for future in as_completed(futures, timeout=10):
assert not future._exception
assert expected_result == future._result
def test_multi_processing2_with_ignore_order(self):
t1 = [[1, 2, 3, 9], [1, 2, 4, 10]]
t2 = [[1, 2, 4, 10], [1, 2, 3, 10]]
futures = []
expected_result = {'values_changed': {'root[0][3]': {'new_value': 10, 'old_value': 9}}}
with ProcessPoolExecutor(max_workers=1) as executor:
futures.append(executor.submit(DeepDiff, t1, t2, ignore_order=True))
for future in as_completed(futures, timeout=10):
assert not future._exception
assert expected_result == future._result
@pytest.mark.skipif(pypy3, reason="pypy3 expected results are different")
def test_multi_processing3_deephash(self):
x = "x"
x_prep = prep_str(x)
expected_result = {
x: x_prep,
point_obj: "ntPoint:{%s:int:11}" % x,
11: 'int:11',
}
futures = []
with ProcessPoolExecutor(max_workers=1) as executor:
futures.append(executor.submit(DeepHashPrep, point_obj, ignore_string_type_changes=True))
for future in as_completed(futures, timeout=10):
assert not future._exception
assert expected_result == future._result
def test_ip_address_diff(self):
ip1 = IPv4Address("128.0.0.1")
ip2 = IPv4Address("128.0.0.2")
diff = DeepDiff(ip1, ip2)
assert {'values_changed': {'root': {'new_value': IPv4Address('128.0.0.2'), 'old_value': IPv4Address('128.0.0.1')}}} == diff
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