def test_split_table_invalid_test_size(self):
with self.assertRaisesRegex(ValueError, "at least two samples"):
X_train, X_test = split_table(self.table_chard_fp,
self.mdc_chard_fp,
test_size=1.0,
random_state=123,
stratify=True,
missing_samples='ignore')
def test_split_table_percnorm(self):
X_train, X_test = split_table(self.table_percnorm,
self.mdc_percnorm,
test_size=0.5,
random_state=123,
stratify=True,
missing_samples='ignore')
self.assertEqual(len(X_train.ids()) + len(X_test.ids()), 4)
def test_split_table_no_split(self):
X_train, X_test = split_table(self.table_chard_fp,
self.mdc_chard_fp,
test_size=0.0,
random_state=123,
stratify=True,
missing_samples='ignore')
self.assertEqual(len(X_train.ids()), 21)
def test_split_table_no_rounding_error(self):
X_train, X_test, y_train, y_test = split_table(
self.table_chard_fp,
self.mdc_chard_fp,
test_size=0.5,
random_state=123,
stratify=True,
missing_samples='ignore')
self.assertEqual(len(X_train.ids()) + len(X_test.ids()), 21)
self.assertEqual(y_train.shape[0] + y_test.shape[0], 21)