from caffe2.python import core, test_util, workspace


class TestFiller(test_util.TestCase):
    def test_filler(self):
        net = core.Net("test_filler")
        net.Concat(["X0", "X1", "X2"], ["concat_out", "split_info"])
        self.assertFalse(workspace.HasBlob("X0"))
        input_dim = (30, 20)
        workspace.FillRandomNetworkInputs(net, [[input_dim, input_dim, input_dim]], [["float", "float", "float"]])
        self.assertTrue(workspace.HasBlob("X0"))
        self.assertEqual(workspace.FetchBlob("X0").shape, input_dim)

        with self.assertRaises(RuntimeError):
            # Filler should throw if number of input dims/types is mismatched.
            workspace.FillRandomNetworkInputs(net, [[input_dim]], [["float"]])