class FixersClassTests(unittest.TestCase):
def setUp(self):
self.data = Data()
self.dmgNA = DMGNA()
self.x = np.arange(25, dtype=float).reshape((5, 5))
self.data.setX(self.x).damage(self.dmgNA, 0.5)
def test_meanZeroInit(self):
z = FXZero()
self.assertIsInstance(z, FXZero, "instantiation failed")
def test_meanFixerInit(self):
m = FXMean()
self.assertIsInstance(m, FXMean, "instantiation failed")
def test_zeroFix(self):
d = copy.deepcopy(self.data)
d.info() # before fix
z = FXZero()
d.fix(z)
d.info() # after fix
def test_meanFix(self):
d = copy.deepcopy(self.data)
d.info() # before fix
m = FXMean()
d.fix(m)
d.info() # after fix
class DamagersClassTests(unittest.TestCase):
def setUp(self):
self.data = Data()
x = np.arange(25, dtype=float).reshape((5, 5))
self.data.setX(x)
def test_prevention_of_the_abstract_damager_instatination(self):
with self.assertRaises(Exception, msg="abstract class instantiated"):
dmg = Damager()
def test_instatination_of_the_DMGNA_damager(self):
dmg = DMGNA()
self.assertIsInstance(dmg, DMGNA, "it has wrong type")
def test_instatination_of_the_DMGNoiseFeatures_damager(self):
dmg = DMGNoiseFeatures()
self.assertIsInstance(dmg, DMGNoiseFeatures, "it has wrong type")
def test_instatination_of_the_DMGNoiseValues_damager(self):
dmg = DMGNoiseValues()
self.assertIsInstance(dmg, DMGNoiseValues, "it has wrong type")
def test_data_damaged_by_DMGNA_damager(self):
d = deepcopy(self.data)
dmg = DMGNA()
d.damage(dmg, 0.5)
self.assertNotEqual(
hash("{}".format(d.x)),
hash("{}".format(self.data.x)),
"damager did not change the data",
)
def test_data_damaged_by_DMGNoiseFeatures_damager(self):
d = deepcopy(self.data)
dmg = DMGNoiseFeatures()
noiseFeaturesCount = 10 # testing constant
d.damage(dmg, noiseFeaturesCount)
self.assertEqual(
d.x.shape[1] - noiseFeaturesCount,
self.data.x.shape[1],
"damager created wrong number of features",
)
@unittest.skip # not implemented
def test_data_damaged_by_DMGNoiseValues_damager(self):
d = deepcopy(self.data)
dmg = DMGNoiseValues()
d.damage(dmg, 0.5)
self.assertNotEqual(
hash("{}".format(d.x)),
hash("{}".format(self.data.x)),
"damager did not change the data",
)
class DataClassTests(unittest.TestCase):
def setUp(self):
self.data = Data()
self.dataStoragePath = "data"
# return super().setUp()
def test_instantiation(self):
self.assertIsInstance(self.data, Data, "it has wrong type")
def test_setArrayOfIntegersAsX(self):
self.data.setX([[1, 2, 3, 4, 5], [1, 2, 3, 4, 5]])
self.assertIsInstance(self.data, Data,
"does not accept array of integers")
def test_typeConvertionForX(self):
self.data.setX([[1, 2, 3], [1, 2, 3]])
self.assertIsInstance(
self.data.x[1, 1],
float,
"the type of the data element is different than `float`",
)
def test_stringInArrayAsX(self):
with self.assertRaises(ValueError):
self.data.setX([[1, "a", 3], [1, 2, 3]])
def test_oneDimentionalArrayAsX(self):
with self.assertRaises(Exception):
self.data.setX([1, 2, 3, 4, 5, 6])
def test_storeInFile(self):
url = self.data.save(self.dataStoragePath)
self.assertGreater(len(url), 1, "url to file empty")
size = os.stat(url).st_size
self.assertGreater(size, 1, "file empty")
def test_readFromFile(self):
x = [[100.0, 200.0, 300.0], [1.0, 2.0, 3.0]]
self.data.setX(x)
url = self.data.save(self.dataStoragePath)
d = Data()
d.read(url)
self.assertListEqual(
list(self.data.x.flatten()),
list(d.x.flatten()),
"the data is damaged during store/read operation",
)
def test_makeTarget(self):
self.data.setX([[1, 2, 3], [2, 2, 4], [3, 4, 2]])
tg = TGAlpha()
self.data.makeTarget(tg)
self.assertIsInstance(self.data.y, ndarray, "target is not an array")
def test_targetValues(self):
self.data.setX([[1, 2, 3], [2, 2, 4], [3, 4, 2]])
tg = TGAlpha()
self.data.makeTarget(tg)
self.assertListEqual(
list(set(self.data.y.flatten())),
[0.0, 1.0],
"target class not in set {0., 1.}",
)