estimator_utils_test.py 文件源码

def test_to_feature_columns_and_input_fn(self):
    df = setup_test_df_3layer()
    feature_columns, input_fn = (
        estimator_utils.to_feature_columns_and_input_fn(
            df,
            base_input_keys_with_defaults={"a": 1,
                                           "b": 2,
                                           "c": 3,
                                           "d": 4},
            label_keys=["g"],
            feature_keys=["a", "b", "f"]))

    expected_feature_column_a = feature_column.DataFrameColumn(
        "a",
        learn.PredefinedSeries(
            "a",
            parsing_ops.FixedLenFeature(tensor_shape.unknown_shape(),
                                        dtypes.int32, 1)))
    expected_feature_column_b = feature_column.DataFrameColumn(
        "b",
        learn.PredefinedSeries("b", parsing_ops.VarLenFeature(dtypes.int32)))
    expected_feature_column_f = feature_column.DataFrameColumn(
        "f",
        learn.TransformedSeries([
            learn.PredefinedSeries("c",
                                   parsing_ops.FixedLenFeature(
                                       tensor_shape.unknown_shape(),
                                       dtypes.int32, 3)),
            learn.PredefinedSeries("d", parsing_ops.VarLenFeature(dtypes.int32))
        ], mocks.Mock2x2Transform("iue", "eui", "snt"), "out2"))

    expected_feature_columns = [
        expected_feature_column_a, expected_feature_column_b,
        expected_feature_column_f
    ]
    self.assertEqual(sorted(expected_feature_columns), sorted(feature_columns))

    base_features, labels = input_fn()
    expected_base_features = {
        "a": mocks.MockTensor("Tensor a", dtypes.int32),
        "b": mocks.MockSparseTensor("SparseTensor b", dtypes.int32),
        "c": mocks.MockTensor("Tensor c", dtypes.int32),
        "d": mocks.MockSparseTensor("SparseTensor d", dtypes.int32)
    }
    self.assertEqual(expected_base_features, base_features)

    expected_labels = mocks.MockTensor("Out iue", dtypes.int32)
    self.assertEqual(expected_labels, labels)

    self.assertEqual(3, len(feature_columns))