def test_join_left_with_empty_right():
left = Hashtable()
right = Hashtable()
left.set('fond', 'enamored')
actual = left.join(right)
expect = [['fond', 'enamored', None]]
assert actual == expect
def test_right_join_with_empty_right():
left = Hashtable()
right = Hashtable()
left.set('fond', 'enamored')
actual = left.join(right, right_join=True)
expect = []
assert actual == expect
def test_left_join_with_antonym_right():
left = Hashtable()
right = Hashtable()
left.set('fond', 'enamored')
right.set('fond', 'averse')
actual = left.join(right)
expect = [['fond', 'enamored', 'averse']]
assert actual == expect
def test_right_join_collisions():
left = Hashtable()
right = Hashtable()
left.set('fond', 'enamored')
left.set('donf', 'enamored')
right.set('fond', 'averse')
actual = left.join(right, right_join=True)
expect = [['fond', 'averse', 'enamored']]
assert actual == expect
