/*
 * Copyright 2017 LinkedIn Corp.
 *
 * 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 azkaban.project;


import static org.assertj.core.api.Assertions.assertThatThrownBy;

import java.time.Duration;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.UUID;
import org.junit.Test;


public class FlowTriggerTest {

  private FlowTriggerDependency createUniqueTestDependency(final String type) {
    final UUID uuid = UUID.randomUUID();
    return createTestDependency(type, uuid.toString());
  }

  private FlowTriggerDependency createTestDependency(final String type, final String name) {
    final FlowTriggerDependency dep = new FlowTriggerDependency(name, type, new HashMap<>());
    return dep;
  }

  @Test
  public void testScheduleArgumentValidation() {
    assertThatThrownBy(() -> new CronSchedule(""))
        .isInstanceOf(IllegalArgumentException.class);
  }

  @Test
  public void testFlowTriggerArgumentValidation() {
    final CronSchedule validSchedule = new CronSchedule("* * * * ? *");
    final List<FlowTriggerDependency> validDependencyList = new ArrayList<>();
    final List<FlowTriggerDependency> invalidDependencyList = null;
    final Duration validDuration = Duration.ofMinutes(10);
    final Duration invalidDuration = Duration.ofMinutes(-1);

    assertThatThrownBy(() -> new FlowTrigger(validSchedule, invalidDependencyList, validDuration))
        .isInstanceOf(NullPointerException.class);

    assertThatThrownBy(() -> new FlowTrigger(validSchedule, validDependencyList, invalidDuration))
        .isInstanceOf(IllegalArgumentException.class);
  }

  @Test
  public void testDuplicateDependencies() {
    final FlowTriggerDependency dep = createUniqueTestDependency("type");

    final CronSchedule schedule = new CronSchedule("* * * * ? *");
    final List<FlowTriggerDependency> dependencyList = new ArrayList<>();
    dependencyList.add(dep);
    dependencyList.add(dep);

    assertThatThrownBy(() -> new FlowTrigger(schedule, dependencyList, Duration.ofMinutes(10)))
        .isInstanceOf
            (IllegalArgumentException
                .class)
        .hasMessageContaining("dependency.name should be unique");
  }

  @Test
  public void testDifferentDepNameSameDepConfig() {
    final FlowTriggerDependency dep1 = createTestDependency("type", "dep1");
    final FlowTriggerDependency dep2 = createTestDependency("type", "dep2");

    final CronSchedule schedule = new CronSchedule("* * * * ? *");
    final List<FlowTriggerDependency> dependencyList = new ArrayList<>();
    dependencyList.add(dep1);
    dependencyList.add(dep2);

    assertThatThrownBy(() -> new FlowTrigger(schedule, dependencyList, Duration.ofMinutes(10)))
        .isInstanceOf
            (IllegalArgumentException
                .class)
        .hasMessageContaining("dependency config should be unique");
  }
}
