def test_n_iter_type(self):
with self.assertRaises(TypeError):
self.pca = PCA(n_components=1, n_iter="1")
def test_n_iter_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, n_iter=-1)
def test_n_oversamples_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, n_oversamples=-1)
def test_n_oversamples_type(self):
with self.assertRaises(TypeError):
self.pca = PCA(n_components=1, n_oversamples="1")
def test_method_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, method="qr")
def setUp(self):
self.pca = PCA(n_components=3,
method="svd",
n_oversamples=10,
n_iter=2)
class PCATest(unittest.TestCase):
def setUp(self):
self.pca = PCA(n_components=3,
method="svd",
n_oversamples=10,
n_iter=2)
""" Constructor input parameter test """
def test_n_components_type(self):
with self.assertRaises(TypeError):
self.pca = PCA(n_components="1")
def test_n_components_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=-1)
def test_method_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, method="qr")
def test_n_oversamples_type(self):
with self.assertRaises(TypeError):
self.pca = PCA(n_components=1, n_oversamples="1")
def test_n_oversamples_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, n_oversamples=-1)
def test_n_iter_type(self):
with self.assertRaises(TypeError):
self.pca = PCA(n_components=1, n_iter="1")
def test_n_iter_value(self):
with self.assertRaises(ValueError):
self.pca = PCA(n_components=1, n_iter=-1)
""" Fit input parameter test """
def test_empty_data(self):
with self.assertRaises(ValueError):
self.pca.fit(np.array([]))
def test_n_components_v_features(self):
with self.assertRaises(ValueError):
self.pca.fit(data)
""" Setter input parameter test """
def test_n_components_setter_type(self):
with self.assertRaises(TypeError):
self.pca.n_components = "1"
def test_n_components_setter_value(self):
with self.assertRaises(ValueError):
self.pca.n_components = -1
def test_method_setter_value(self):
with self.assertRaises(ValueError):
self.pca.method = "qr"
def test_n_oversamples_setter_type(self):
with self.assertRaises(TypeError):
self.pca.n_oversamples = "1"
def test_n_oversamples_setter_value(self):
with self.assertRaises(ValueError):
self.pca.n_oversamples = -1
def test_n_iter_setter_type(self):
with self.assertRaises(TypeError):
self.pca.n_iter = "1"
def test_n_iter_setter_value(self):
with self.assertRaises(ValueError):
self.pca.n_iter = -1