TestCosmosDBDocumentStoreReader.java

/**
 * 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.hadoop.yarn.server.timelineservice.documentstore.reader.cosmosdb;

import com.microsoft.azure.cosmosdb.rx.AsyncDocumentClient;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.server.timelineservice.documentstore.DocumentStoreUtils;
import org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderContext;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentMatchers;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mockStatic;
import static org.mockito.Mockito.when;

/**
 * Test case for {@link CosmosDBDocumentStoreReader}.
 */
@ExtendWith(MockitoExtension.class)
public class TestCosmosDBDocumentStoreReader {

  @BeforeEach
  public void setUp(){
    AsyncDocumentClient asyncDocumentClient =
        Mockito.mock(AsyncDocumentClient.class);
    Configuration conf = Mockito.mock(Configuration.class);
    mockStatic(DocumentStoreUtils.class);
    when(DocumentStoreUtils.getCosmosDBDatabaseName(conf)).thenReturn("FooBar");
    when(DocumentStoreUtils.createCosmosDBAsyncClient(conf)).thenReturn(asyncDocumentClient);
  }

  @Test
  public void testFailureFOnEmptyPredicates() {

    assertThrows(IllegalArgumentException.class, ()->{
      Mockito.when(DocumentStoreUtils.isNullOrEmpty(
          ArgumentMatchers.any()))
          .thenReturn(Boolean.TRUE);

      CosmosDBDocumentStoreReader cosmosDBDocumentStoreReader =
          new CosmosDBDocumentStoreReader(null);
      cosmosDBDocumentStoreReader.addPredicates(
          new TimelineReaderContext(null, "", "",
              null, "", "", null),
              "DummyCollection", new StringBuilder());
    });

  }
}