/**
 * Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * 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
 *
 *         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 com.linkedin.pinot.broker.requesthandler;

import com.linkedin.pinot.common.request.BrokerRequest;
import java.util.Collections;
import org.testng.Assert;
import org.testng.annotations.Test;


/**
 * Tests for the optimization flags;
 */
public class OptimizationFlagsTest {
  @Test
  public void testOptimizationName() {
    Assert.assertEquals(OptimizationFlags.optimizationName(FlattenNestedPredicatesFilterQueryTreeOptimizer.class),
        "flattenNestedPredicates");
  }

  @Test
  public void testEnableOptimizations() {
    BrokerRequest brokerRequest = new BrokerRequest();
    brokerRequest.setDebugOptions(Collections.singletonMap("optimizationFlags", "+foo, +bar"));

    OptimizationFlags optimizationFlags = OptimizationFlags.getOptimizationFlags(brokerRequest);
    Assert.assertTrue(optimizationFlags.isOptimizationEnabled("foo"));
    Assert.assertTrue(optimizationFlags.isOptimizationEnabled("bar"));
    Assert.assertFalse(optimizationFlags.isOptimizationEnabled("baz"));
  }

  @Test
  public void testDisableOptimizations() {
    BrokerRequest brokerRequest = new BrokerRequest();
    brokerRequest.setDebugOptions(Collections.singletonMap("optimizationFlags", "-foo"));

    OptimizationFlags optimizationFlags = OptimizationFlags.getOptimizationFlags(brokerRequest);
    Assert.assertFalse(optimizationFlags.isOptimizationEnabled("foo"));
    Assert.assertTrue(optimizationFlags.isOptimizationEnabled("bar"));
    Assert.assertTrue(optimizationFlags.isOptimizationEnabled("baz"));
  }

  @Test
  public void testForbidEnableAndDisableTogether() {
    BrokerRequest brokerRequest = new BrokerRequest();
    brokerRequest.setDebugOptions(Collections.singletonMap("optimizationFlags", "-foo, +bar"));

    try {
      OptimizationFlags optimizationFlags = OptimizationFlags.getOptimizationFlags(brokerRequest);
      Assert.fail("Expected exception");
    } catch (Exception e) {
      // Expected
    }
  }
}