def test__ne__true(self):
c1 = Chromosome([0, 1, 2, 3, 4, 5, 6, 7, 8], random=False)
c2 = Chromosome([0, 8, 7, 6, 5, 1, 2, 3, 4], random=False)
c3 = Chromosome(500, random=False)
assert c1 != c3
assert c1 != c2
assert c2 != c3
def test_order_mutate(self):
self.set_random_seed()
c1 = Chromosome(15, random=False)
#c1.path.sort()
c1.order_mutation()
np.testing.assert_array_equal(
c1.path,
np.asarray([0, 2, 3, 4, 5, 6, 1, 7, 8, 9, 10, 11, 12, 13, 14]))
def test_constructor_array(self):
a1 = np.arange(500)
c1 = Chromosome(a1, random=False)
a2 = np.copy(a1)
np.random.shuffle(a2)
c2 = Chromosome(a2, random=False)
np.testing.assert_array_equal(c1.path, a1)
np.testing.assert_array_equal(c2.path, a2)
def test_order_mutate(self):
self.set_random_seed()
c1 = Chromosome(15, random=False)
#c1.path.sort()
c1.order_mutation()
np.testing.assert_array_equal(
c1.path,
np.asarray([ 0, 2, 3, 4, 5, 6, 1, 7, 8, 9, 10, 11, 12, 13, 14])
)
def test_crossover(self): self.set_random_seed() c1 = Chromosome(10, random=True) c2 = Chromosome(10, random=True) c1copy = c1.copy() print(c1.path) print(c2.path) child1, child2 = c1.crossover(c2) assert c1copy == c1 np.testing.assert_array_equal(child1.path, [2, 1, 8, 9, 0, 6, 7, 3, 4, 5]) np.testing.assert_array_equal(child2.path, [3, 5, 8, 2, 9, 4, 1, 6, 7, 0])
def test_crossover(self):
self.set_random_seed()
c1 = Chromosome(10, random=True)
c2 = Chromosome(10, random=True)
c1copy = c1.copy()
print(c1.path)
print(c2.path)
child1, child2 = c1.crossover(c2)
assert c1copy == c1
np.testing.assert_array_equal(child1.path,
[2, 1, 8, 9, 0, 6, 7, 3, 4, 5])
np.testing.assert_array_equal(child2.path,
[3, 5, 8, 2, 9, 4, 1, 6, 7, 0])
def test_roll_mutation(self):
c1 = Chromosome(10, random=False)
c1.roll_mutation()
arr = np.arange(10)
arr = np.roll(arr, 1)
np.testing.assert_array_equal(c1.path, arr)
def test_copy(self):
c1 = Chromosome(500, random=True)
c2 = c1.copy()
np.testing.assert_array_equal(c2.path, c1.path)
assert_not_equal(id(c2), id(c1))
def test__eq__false_large(self):
c1 = Chromosome(500, random=False)
c2 = Chromosome(400, random=False)
assert_equal(False, c2 == c1)
assert_not_equal(id(c2), id(c1))
def test_creation_path_uniqueness(self):
for _ in range(N_LARGE):
n = random.randint(2, 350)
c = Chromosome(n, random=True)
u = np.unique(c.path)
assert_equal(u.size, c.path.size)
def set_random_seed(self): """Create deterministic chromosomes by setting its random seed.""" Chromosome.random_seed(RANDOM_SEED)
def test__ne__false_basic(self):
c1 = Chromosome([0, 1, 2, 3, 4, 5], random=False)
c2 = Chromosome([0, 1, 2, 3, 4, 5], random=False)
assert_equal(False, c1 != c2)
def test_constructor_chromosome(self):
c1 = Chromosome(500, random=False)
c2 = Chromosome(c1, random=False)
np.testing.assert_array_equal(c1.path, c2.path)
def test_constructor_int(self):
self.set_random_seed()
c1 = Chromosome(10, random=False)
np.testing.assert_array_equal(
c1.path, np.asarray([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
def set_random_seed(self):
"""Create deterministic chromosomes by setting its random seed."""
Chromosome.random_seed(RANDOM_SEED)
def test_mutation_path_uniqueness(self):
for _ in range(N_LARGE):
n = random.randint(2, 350)
c = Chromosome(n, random=True)
for _ in range(N_SMALL):
assert_equal(c.path.size, np.unique(c.mutate().path).size)
def test_mutation_path_uniqueness(self):
for _ in range(N_LARGE):
n = random.randint(2, 350)
c = Chromosome(n, random=True)
for _ in range(N_SMALL):
assert_equal( c.path.size, np.unique(c.mutate().path).size )
def test__ne__false_large(self):
c1 = Chromosome(500, random=False)
c2 = Chromosome(c1, random=False)
assert_equal(False, c1 != c2)
assert_not_equal(id(c1), id(c2))
def test_copy(self): c1 = Chromosome(500, random=True) c2 = c1.copy() np.testing.assert_array_equal(c2.path, c1.path) assert_not_equal( id(c2), id(c1))
def test__eq__true_basic(self):
c1 = Chromosome([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], random=False)
c2 = Chromosome([9, 8, 7, 6, 5, 4, 3, 2, 1, 0], random=False)
assert c2 == c1
assert_not_equal(id(c2), id(c1))
def test_roll_mutation(self): c1 = Chromosome(10, random=False) c1.roll_mutation() arr = np.arange(10) arr = np.roll(arr, 1) np.testing.assert_array_equal( c1.path, arr)
def test__eq__false_basic(self):
c1 = Chromosome([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], random=False)
c2 = Chromosome([7, 8, 9, 3, 4, 5, 1, 2, 0, 6], random=False)
assert_equal(False, c2 == c1)
assert_not_equal(id(c2), id(c1))
