def test__sort_dictionary_should_sort_the_collection_by_weight_decending():
dictionary= reproduction._build_dictionary(params)
asserted_dictionary = reproduction._sort_dictionary(dictionary)
asserted_values = reversed(list(map((lambda x: x['weight']),
asserted_dictionary)))
it = iter(asserted_values)
it.next()
is_sorted = all(b >= a for a, b in itertools.izip(asserted_values, it))
assert is_sorted is True
def test__select_child():
dictionary= reproduction._build_dictionary(params)
total_fitness = reproduction._total_fitness(dictionary)
asseted_child = reproduction._select_child(dictionary, total_fitness, params)
assert isinstance(asseted_child, str)
def test__total_fitness():
dictionary= reproduction._build_dictionary(params)
asserted_total = reproduction._total_fitness(dictionary)
assert not isinstance(asserted_total, str)
def test__build_dictionary_should_return_a_collection_of_dictionaries_with_key_weight():
asserted_dictionary = reproduction._build_dictionary(params)
for asserted in asserted_dictionary:
assert not isinstance(asserted['weight'], str)
def test__build_dictionary_should_return_a_collection_of_dictionaries():
asserted_dictionary = reproduction._build_dictionary(params)
for asserted in asserted_dictionary:
assert isinstance(asserted, dict)
def test__build_dictionary_should_return_a_collection_of_size_8():
asserted_dictionary = reproduction._build_dictionary(params)
assert len(asserted_dictionary) >= 2
