def test_equality(self):
''' Test basic equality comparison for `util.struct.Sentinel`. '''
SAMPLE = struct.Sentinel('SAMPLE')
assert SAMPLE.name == "SAMPLE"
SAMPLE2 = struct.Sentinel('SAMPLE')
assert SAMPLE == SAMPLE2
'''
__version__ = 'v3'
# stdlib
import abc
import operator
# canteen utils
from canteen.util import struct as datastructures
## Globals / Constants
# Filter components
_TARGET_KEY = datastructures.Sentinel('KEY')
PROPERTY = datastructures.Sentinel('PROPERTY')
KEY_KIND = datastructures.Sentinel('KEY_KIND')
KEY_ANCESTOR = datastructures.Sentinel('KEY_ANCESTOR')
# Sort directions
ASCENDING = ASC = datastructures.Sentinel('ASCENDING')
DESCENDING = DSC = datastructures.Sentinel('DESCENDING')
# Query operators
EQUALS = EQ = datastructures.Sentinel('EQUALS')
NOT_EQUALS = NE = datastructures.Sentinel('NOT_EQUALS')
LESS_THAN = LT = datastructures.Sentinel('LESS_THAN')
LESS_THAN_EQUAL_TO = LE = datastructures.Sentinel('LESS_THAN_EQUAL_TO')
GREATER_THAN = GT = datastructures.Sentinel('GREATER_THAN')
GREATER_THAN_EQUAL_TO = GE = datastructures.Sentinel('GREATER_THAN_EQUAL_TO')
def test_not_falsy(self):
''' Test ability to set a Sentinel as truthy. '''
GOOD = struct.Sentinel('GOOD', falsy=False)
assert GOOD
def test_falsy(self):
''' Test ability to set a Sentinel as falsy. '''
BAD = struct.Sentinel('BAD', falsy=True)
assert not BAD
def test_repr(self):
''' Test basic string representation of a `util.struct.Sentinel`. '''
SAMPLE = struct.Sentinel('SAMPLE')
assert 'SAMPLE' in str(SAMPLE)
def test_construct(self):
''' Test basic functionality of `util.struct.Sentinel`. '''
SAMPLE = struct.Sentinel('SAMPLE')
assert SAMPLE.name == "SAMPLE"