def test_raise_with_name_as_arg():
try:
raise EasyException('NamedException')
except EasyException('NamedException'):
assert True
except:
assert False
def test_typical():
try:
raise EasyException(name='NamedException')
except EasyException(name='NamedException'):
assert True
except:
assert False
def test_other_named_exception():
try:
raise EasyException(name='OtherException')
except EasyException(name='NamedException'):
assert False
except EasyException(name='OtherException'):
assert True
except:
assert False
def test_reject_nonalphanum_exception_name():
try:
EasyException("Test!Symbol")
assert False
except ValueError:
assert True
except:
assert False
def test_parent_exception_differentiated():
class ParentException(Exception):
def test(self):
return 'TEST'
class OtherParentException(Exception):
def test(self):
return 'FAIL'
try:
raise EasyException(name='NamedException', parent=ParentException)
except EasyException(name='NamedException'):
assert False
except EasyException(name='NamedException', parent=OtherParentException):
assert False
except EasyException(name='OtherException'):
assert False
except EasyException(name='OtherException', parent=OtherParentException):
assert False
except EasyException(name='OtherException', parent=ParentException):
assert False
except EasyException(name='NamedException', parent=ParentException) as e:
assert e.test() == 'TEST'
except:
assert False
def test_catch_using_parent_exception():
class ParentException(Exception):
def test(self):
return 'TEST'
try:
raise EasyException(name='NamedException', parent=ParentException)
except ParentException as e:
assert e.test() == 'TEST'
except:
assert False
def test_bind_parent():
class ParentException(Exception):
def test(self):
return 'TEST'
bind_parent(ParentException)
try:
raise EasyException('NamedException')
except ParentException:
assert True
except:
assert False
try:
raise EasyException('NamedException')
except EasyException('NamedException'):
assert True
except:
assert False
try:
raise EasyException('NamedException', parent=Exception)
except EasyException('NamedException'):
assert False
except EasyException('NamedException', parent=Exception):
assert True
except:
assert False
def test_proper_referential_integrity_of_exception_parents():
class NewException(Exception):
pass
first_definition = NewException
class NewException(Exception):
pass
second_definition = NewException
assert first_definition != second_definition
# The following try block is to demonstrate that python sees the two definitions of NewException differently
# When assessing what the type of the exception is.
try:
raise first_definition
except second_definition:
assert False
except first_definition:
assert True
except:
assert False
#assert that using different definitions yields different EasyExceptions
assert EasyException(name='Test',
parent=first_definition) != EasyException(
name='Test', parent=second_definition)
assert EasyException(name='Test',
parent=first_definition) == EasyException(
name='Test', parent=first_definition)
assert EasyException(name='Test',
parent=second_definition) == EasyException(
name='Test', parent=second_definition)
def test_exception_message_persists():
try:
raise EasyException(name='NamedException')('TEST MESSAGE')
except EasyException(name='NamedException') as e:
assert str(e) == 'TEST MESSAGE'
def test_nameless_exception():
assert EasyException() == Exception