def test_function_same_module_same_source_stable():
def another_foo_function():
pass
original = checksum(another_foo_function)
def another_foo_function():
pass
redefined = checksum(another_foo_function)
assert original == redefined
def test_function_source_changes():
def another_foo_function():
return 1
return_1 = checksum(another_foo_function)
def another_foo_function():
return 2
return_2 = checksum(another_foo_function)
assert return_1 != return_2
def test_function_attributes_change_checksum():
def foo1():
pass
before_attribute, no_change = checksum(foo1), checksum(foo1)
foo1.version = 1
after_attribute = checksum(foo1)
foo1.version += 1
changing_attribute = checksum(foo1)
assert before_attribute == no_change, "Function checksum unstable"
assert before_attribute != after_attribute, "Adding attribute should change checksum"
assert changing_attribute != after_attribute, "Changing attribute should change checksum"
def main():
"""Example of using checksums to determine if the contents of a dict have changed """
sub_dict = {1: 42, 2: 82}
big_dict = {
'a': sub_dict,
'b': (6, 7, 8),
'c': ['a', 'b', 'c'],
}
c_1 = checksum(big_dict)
sub_dict[1] += 1
c_2 = checksum(big_dict)
# changing the contents of the dict changes the checksum
assert c_1 != c_2
sub_dict[1] -= 1
c_3 = checksum(big_dict)
# changing the contents back restores the original checksum
assert c_1 == c_3
def test_depends_on_qsum_version():
"""Special test for qsum_version dep since the version isn't always available"""
assert len(checksum(
'abc', depends_on=DependsOn.QSumVer)) == DEFAULT_BYTES_IN_CHECKSUM
def test_depends_on_values(depends_on):
"""Simple test of DependsOn.PythonEnv that also validates depends_on support of single DependsOn enum values"""
assert len(checksum('abc',
depends_on=depends_on)) == DEFAULT_BYTES_IN_CHECKSUM
def test_checksum_changes_with_dependency():
"""Validate that the checksum actually changes when we add a dep"""
assert checksum(123, depends_on=('pytest', )) != checksum(123)
def local_foo_checksum():
return checksum(foo_function)
def test_from_checksum():
assert Checksum.from_checksum(
checksum(CHECKSUM_CLASS_VALUE)) == EXPECTED_CHECKSUM
def test_checksum_class_checksum_bytes(checksum_class):
assert checksum_class.checksum_bytes == checksum(CHECKSUM_CLASS_VALUE)
def test_checksum_types(value, expected_type):
assert checksum_to_type(checksum(value)) == expected_type
def main():
"""Compute the checksum of a string and print it's hex"""
print(checksum('abcd').hex())
def main():
"""main method"""
long_list = list(range(0, 1000000))
print(checksum(long_list).hex())
def foo_checksum():
return checksum(foo_function)
def test_bytes_in_checksum(value):
assert len(
checksum(value)
) == DEFAULT_BYTES_IN_CHECKSUM, "Validate the number of bytes of the checksum"
