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   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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
   *
   *    http://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.
   */
  
  package org.apache.kafka.streams.kstream.internals;
  
  import org.apache.kafka.common.utils.Bytes;
  import org.apache.kafka.streams.StreamsConfig;
  import org.apache.kafka.streams.TopologyConfig;
  import org.apache.kafka.streams.kstream.Materialized;
  import org.apache.kafka.streams.processor.StateStore;
  import org.apache.kafka.streams.processor.internals.InternalTopologyBuilder;
  import org.apache.kafka.streams.state.DslKeyValueParams;
  import org.apache.kafka.streams.state.DslSessionParams;
  import org.apache.kafka.streams.state.DslStoreSuppliers;
  import org.apache.kafka.streams.state.DslWindowParams;
  import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
  import org.apache.kafka.streams.state.KeyValueStore;
  import org.apache.kafka.streams.state.SessionBytesStoreSupplier;
  import org.apache.kafka.streams.state.WindowBytesStoreSupplier;
  import org.apache.kafka.test.StreamsTestUtils;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  
  import java.util.Optional;
  import java.util.Properties;
  
  import static org.hamcrest.CoreMatchers.equalTo;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.instanceOf;
  import static org.hamcrest.Matchers.is;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  @MockitoSettings(strictness = Strictness.STRICT_STUBS)
  public class MaterializedInternalTest {
  
      private InternalNameProvider nameProvider = mock(InternalNameProvider.class);
      private KeyValueBytesStoreSupplier supplier = mock(KeyValueBytesStoreSupplier.class);
      private final String prefix = "prefix";
  
      @Test
      public void shouldGenerateStoreNameWithPrefixIfProvidedNameIsNull() {
          final String generatedName = prefix + "-store";
          when(nameProvider.newStoreName(prefix)).thenReturn(generatedName);
  
          final MaterializedInternal<Object, Object, StateStore> materialized =
              new MaterializedInternal<>(Materialized.with(null, null), nameProvider, prefix);
  
          assertThat(materialized.storeName(), equalTo(generatedName));
      }
  
      @Test
      public void shouldUseProvidedStoreNameWhenSet() {
          final String storeName = "store-name";
          final MaterializedInternal<Object, Object, StateStore> materialized =
              new MaterializedInternal<>(Materialized.as(storeName), nameProvider, prefix);
          assertThat(materialized.storeName(), equalTo(storeName));
      }
  
      @Test
      public void shouldUseStoreNameOfSupplierWhenProvided() {
          final String storeName = "other-store-name";
          when(supplier.name()).thenReturn(storeName);
          final MaterializedInternal<Object, Object, KeyValueStore<Bytes, byte[]>> materialized =
              new MaterializedInternal<>(Materialized.as(supplier), nameProvider, prefix);
          assertThat(materialized.storeName(), equalTo(storeName));
      }
  
      @SuppressWarnings("deprecation")
      @Test
      public void shouldUseStoreTypeWhenProvidedViaTopologyConfig() {
          final Properties topologyOverrides = new Properties();
          topologyOverrides.put(StreamsConfig.DEFAULT_DSL_STORE_CONFIG, StreamsConfig.IN_MEMORY);
          final StreamsConfig config = new StreamsConfig(StreamsTestUtils.getStreamsConfig());
  
          final InternalTopologyBuilder topologyBuilder = new InternalTopologyBuilder(
              new TopologyConfig("my-topology", config, topologyOverrides));
  
          final InternalStreamsBuilder internalStreamsBuilder = new InternalStreamsBuilder(topologyBuilder);
  
          final MaterializedInternal<Object, Object, KeyValueStore<Bytes, byte[]>> materialized =
              new MaterializedInternal<>(Materialized.as(supplier), internalStreamsBuilder, prefix);
          assertThat(materialized.dslStoreSuppliers(), equalTo(Optional.of(Materialized.StoreType.IN_MEMORY)));
      }
  
      @SuppressWarnings("deprecation")
      @Test
      public void shouldPreferStoreSupplierWhenProvidedWithStoreTypeViaTopologyConfig() {
          final Properties topologyOverrides = new Properties();
          topologyOverrides.put(StreamsConfig.DEFAULT_DSL_STORE_CONFIG, StreamsConfig.ROCKS_DB);
          topologyOverrides.put(StreamsConfig.DSL_STORE_SUPPLIERS_CLASS_CONFIG, TestStoreSupplier.class);
          final StreamsConfig config = new StreamsConfig(StreamsTestUtils.getStreamsConfig());
  
          final InternalTopologyBuilder topologyBuilder = new InternalTopologyBuilder(
                  new TopologyConfig("my-topology", config, topologyOverrides));
  
          final InternalStreamsBuilder internalStreamsBuilder = new InternalStreamsBuilder(topologyBuilder);
  
          final MaterializedInternal<Object, Object, KeyValueStore<Bytes, byte[]>> materialized =
                  new MaterializedInternal<>(Materialized.as(supplier), internalStreamsBuilder, prefix);
          assertThat(materialized.dslStoreSuppliers().isPresent(), is(true));
          assertThat(materialized.dslStoreSuppliers().get(), instanceOf(TestStoreSupplier.class));
      }
  
      @Test
      public void shouldReturnEmptyWhenOriginalsAndOverridesDontHaveSuppliersSpecified() {
          final Properties topologyOverrides = new Properties();
          final StreamsConfig config = new StreamsConfig(StreamsTestUtils.getStreamsConfig());
  
          final InternalTopologyBuilder topologyBuilder = new InternalTopologyBuilder(
                  new TopologyConfig("my-topology", config, topologyOverrides));
  
          final InternalStreamsBuilder internalStreamsBuilder = new InternalStreamsBuilder(topologyBuilder);
  
          final MaterializedInternal<Object, Object, KeyValueStore<Bytes, byte[]>> materialized =
                  new MaterializedInternal<>(Materialized.as(supplier), internalStreamsBuilder, prefix);
          assertThat(materialized.dslStoreSuppliers().isPresent(), is(false));
      }
  
      public static class TestStoreSupplier implements DslStoreSuppliers {
  
          @Override
          public KeyValueBytesStoreSupplier keyValueStore(final DslKeyValueParams params) {
              return null;
          }
  
          @Override
          public WindowBytesStoreSupplier windowStore(final DslWindowParams params) {
              return null;
          }
  
          @Override
          public SessionBytesStoreSupplier sessionStore(final DslSessionParams params) {
              return null;
          }
      }
  }