def test_compare_iterables():
'''Check set comparison works if given non-iterables e.g. int.'''
# Symmetric Difference: [1,2,3] ^ [3,4] -> {1,2,4}
actual1 = ut.compare_set(1, [2, 3], how='union') # it is int
actual2 = ut.compare_set([1, 2], 3, how='union') # other is int
expected = {1, 2, 3}
nt.assert_equal(actual1, expected)
nt.assert_equal(actual2, expected)
def test_compare_symmetric():
'''Check set symmetric difference.'''
# Symmetric Difference: [1,2,3] ^ [3,4] -> {1,2,4}
it = [[1, 2, 3]]
others = [[3, 4]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='symmetric difference')
actual.append(result)
expected = [{1, 2, 4}]
nt.assert_equal(actual, expected)
def test_compare_difference():
'''Check set difference.'''
# Difference: [1,2,3] - [3,4] -> {1,2}
it = [[1, 2, 3]]
others = [[3, 4]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='difference')
actual.append(result)
expected = [{1, 2}]
nt.assert_equal(actual, expected)
def test_compare_intersection():
'''Check set intersection.'''
# Intersection: [1] & [1,2] -> {1}
it = [[1]]
others = [[1, 2]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='intersection')
actual.append(result)
expected = [{1}]
nt.assert_equal(actual, expected)
def test_compare_union():
'''Check set union.'''
# Union: [1,2] | [3,4] -> {1,2,3,4}
it = [[1, 2]]
others = [[3, 4]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='union')
actual.append(result)
expected = [{1, 2, 3, 4}]
nt.assert_equal(actual, expected)
def test_compare_disjoint():
'''Check the comparison of dijoints.'''
# Superset: [1,2,3] > [1,2] -> True; [1,2,3] >= [1,2,3] -> True
it = [[1, 2]]
others = [[3, 4]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='union', test='isdisjoint')
actual.append(result)
expected = [True]
nt.assert_equal(actual, expected)
def test_compare_subset():
'''Check the comparison of subsets.'''
# Subset: [1,2] < [1,2,3] -> True; [1,2] <= [1,2] -> True
it = [[1, 2], [1, 2], [1, 2]]
others = [[1, 2, 3], [1, 2], [3, 4]]
actual = []
for i, o in zip(it, others):
result = ut.compare_set(i, o, how='union', test='issubset')
actual.append(result)
expected = [True, True, False]
nt.assert_equal(actual, expected)
