def setUp(self): #TODO: test axes, test one_hot try: self.train = OCR(which_set='train') self.test = OCR(which_set='test') except (NoDataPathError, NotInstalledError): raise SkipTest()
def test_iterator(self): """ Tests that batches returned by an iterator with topological data_specs are the same as the ones returned by calling get_topological_view on the dataset with the corresponding order """ batch_size = 100 b01c_X = self.test.X[0:batch_size, :] b01c_topo = self.test.get_topological_view(b01c_X) b01c_b01c_it = self.test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('b', 0, 1, 'c')), 'features')) b01c_b01c = b01c_b01c_it.next() assert np.all(b01c_topo == b01c_b01c) c01b_test = OCR(which_set='test', axes=('c', 0, 1, 'b')) c01b_X = c01b_test.X[0:batch_size, :] c01b_topo = c01b_test.get_topological_view(c01b_X) c01b_c01b_it = c01b_test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('c', 0, 1, 'b')), 'features')) c01b_c01b = c01b_c01b_it.next() assert np.all(c01b_topo == c01b_c01b) # Also check that samples from iterators with the same data_specs # with Conv2DSpace do not depend on the axes of the dataset b01c_c01b_it = self.test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('c', 0, 1, 'b')), 'features')) b01c_c01b = b01c_c01b_it.next() assert np.all(b01c_c01b == c01b_c01b) c01b_b01c_it = c01b_test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('b', 0, 1, 'c')), 'features')) c01b_b01c = c01b_b01c_it.next() assert np.all(c01b_b01c == b01c_b01c)
class TestOCR(unittest.TestCase): def setUp(self): #TODO: test axes, test one_hot try: self.train = OCR(which_set='train') self.test = OCR(which_set='test') except (NoDataPathError, NotInstalledError): raise SkipTest() def get_test_set(self): try: test_from_train = self.train.get_test_set() self.assertTrue(numpy.all(test_from_train.get_design_matrix() == self.test.get_design_matrix())) self.assertTrue(numpy.all(test_from_train.get_targets() == self.test.get_targets())) except (NoDataPathError, NotInstalledError): raise SkipTest()
def test_topo_c01b(self): """ Tests that a topological batch with axes ('c',0,1,'b') can be dimshuffled back to match the standard ('b',0,1,'c') format. """ batch_size = 100 c01b_test = OCR(which_set='test', axes=('c', 0, 1, 'b')) c01b_X = c01b_test.X[0:batch_size, :] c01b = c01b_test.get_topological_view(c01b_X) assert c01b.shape == (1, 16, 8, batch_size) b01c = c01b.transpose(3, 1, 2, 0) b01c_X = self.test.X[0:batch_size, :] assert c01b_X.shape == b01c_X.shape assert np.all(c01b_X == b01c_X) b01c_direct = self.test.get_topological_view(b01c_X) assert b01c_direct.shape == b01c.shape assert np.all(b01c_direct == b01c)
class TestOCR(unittest.TestCase): """ Unit test of OCR dataset Parameters ---------- None """ def setUp(self): """Load train, test, valid sets""" skip_if_no_data() self.train = OCR(which_set='train') self.valid = OCR(which_set='valid') self.test = OCR(which_set='test') def test_topo(self): """Tests that a topological batch has 4 dimensions""" topo = self.train.get_batch_topo(1) assert topo.ndim == 4 def test_topo_c01b(self): """ Tests that a topological batch with axes ('c',0,1,'b') can be dimshuffled back to match the standard ('b',0,1,'c') format. """ batch_size = 100 c01b_test = OCR(which_set='test', axes=('c', 0, 1, 'b')) c01b_X = c01b_test.X[0:batch_size, :] c01b = c01b_test.get_topological_view(c01b_X) assert c01b.shape == (1, 16, 8, batch_size) b01c = c01b.transpose(3, 1, 2, 0) b01c_X = self.test.X[0:batch_size, :] assert c01b_X.shape == b01c_X.shape assert np.all(c01b_X == b01c_X) b01c_direct = self.test.get_topological_view(b01c_X) assert b01c_direct.shape == b01c.shape assert np.all(b01c_direct == b01c) def test_iterator(self): """ Tests that batches returned by an iterator with topological data_specs are the same as the ones returned by calling get_topological_view on the dataset with the corresponding order """ batch_size = 100 b01c_X = self.test.X[0:batch_size, :] b01c_topo = self.test.get_topological_view(b01c_X) b01c_b01c_it = self.test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('b', 0, 1, 'c')), 'features')) b01c_b01c = b01c_b01c_it.next() assert np.all(b01c_topo == b01c_b01c) c01b_test = OCR(which_set='test', axes=('c', 0, 1, 'b')) c01b_X = c01b_test.X[0:batch_size, :] c01b_topo = c01b_test.get_topological_view(c01b_X) c01b_c01b_it = c01b_test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('c', 0, 1, 'b')), 'features')) c01b_c01b = c01b_c01b_it.next() assert np.all(c01b_topo == c01b_c01b) # Also check that samples from iterators with the same data_specs # with Conv2DSpace do not depend on the axes of the dataset b01c_c01b_it = self.test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('c', 0, 1, 'b')), 'features')) b01c_c01b = b01c_c01b_it.next() assert np.all(b01c_c01b == c01b_c01b) c01b_b01c_it = c01b_test.iterator( mode='sequential', batch_size=batch_size, data_specs=(Conv2DSpace(shape=(16, 8), num_channels=1, axes=('b', 0, 1, 'c')), 'features')) c01b_b01c = c01b_b01c_it.next() assert np.all(c01b_b01c == b01c_b01c)
def setUp(self): """Load train, test, valid sets""" skip_if_no_data() self.train = OCR(which_set='train') self.valid = OCR(which_set='valid') self.test = OCR(which_set='test')