correction

Signed-off-by: David Y Liu <davidyliuliu@gmail.com>

sdk/python/tests/unit/infra/online_store/test_dynamodb_online_store.py

@@ -0,0 +1,57 @@
+from dataclasses import dataclass
+
+import pytest
+from moto import mock_dynamodb2
+
+from feast.infra.offline_stores.file import FileOfflineStoreConfig
+from feast.infra.online_stores.dynamodb import (
+    DynamoDBOnlineStore,
+    DynamoDBOnlineStoreConfig,
+)
+from feast.repo_config import RepoConfig
+from tests.utils.online_store_utils import (
+    _create_n_customer_test_samples,
+    _create_test_table,
+    _insert_data_test_table,
+)
+
+REGISTRY = "s3://test_registry/registry.db"
+PROJECT = "test_aws"
+PROVIDER = "aws"
+TABLE_NAME = "dynamodb_online_store"
+REGION = "us-west-2"
+
+
+@dataclass
+class MockFeatureView:
+    name: str
+
+
+@pytest.fixture
+def repo_config():
+    return RepoConfig(
+        registry=REGISTRY,
+        project=PROJECT,
+        provider=PROVIDER,
+        online_store=DynamoDBOnlineStoreConfig(region=REGION),
+        offline_store=FileOfflineStoreConfig(),
+    )
+
+
+@mock_dynamodb2
+@pytest.mark.parametrize("n_samples", [5, 50, 100])
+def test_online_read(repo_config, n_samples):
+    """Test DynamoDBOnlineStore online_read method."""
+    _create_test_table(PROJECT, f"{TABLE_NAME}_{n_samples}", REGION)
+    data = _create_n_customer_test_samples(n=n_samples)
+    _insert_data_test_table(data, PROJECT, f"{TABLE_NAME}_{n_samples}", REGION)
+
+    entity_keys, features = zip(*data)
+    dynamodb_store = DynamoDBOnlineStore()
+    returned_items = dynamodb_store.online_read(
+        config=repo_config,
+        table=MockFeatureView(name=f"{TABLE_NAME}_{n_samples}"),
+        entity_keys=entity_keys,
+    )
+    assert len(returned_items) == len(data)
+    assert [item[1] for item in returned_items] == list(features)

sdk/python/tests/unit/infra/test_provider.py

@@ -0,0 +1,47 @@
+# Copyright 2020 The Feast Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from datetime import timedelta
+
+from feast import BigQuerySource
+from feast.entity import Entity
+from feast.feature import Feature
+from feast.feature_view import FeatureView
+from feast.infra.provider import _get_column_names
+from feast.value_type import ValueType
+
+
+def test_get_column_names_preserves_feature_ordering():
+    entity = Entity("my-entity", description="My entity", value_type=ValueType.STRING)
+    fv = FeatureView(
+        name="my-fv",
+        entities=["my-entity"],
+        ttl=timedelta(days=1),
+        batch_source=BigQuerySource(table="non-existent-mock"),
+        features=[
+            Feature(name="a", dtype=ValueType.STRING),
+            Feature(name="b", dtype=ValueType.STRING),
+            Feature(name="c", dtype=ValueType.STRING),
+            Feature(name="d", dtype=ValueType.STRING),
+            Feature(name="e", dtype=ValueType.STRING),
+            Feature(name="f", dtype=ValueType.STRING),
+            Feature(name="g", dtype=ValueType.STRING),
+            Feature(name="h", dtype=ValueType.STRING),
+            Feature(name="i", dtype=ValueType.STRING),
+            Feature(name="j", dtype=ValueType.STRING),
+        ],
+    )
+
+    _, feature_list, _, _ = _get_column_names(fv, [entity])
+    assert feature_list == ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"]