/*
 * 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.zeppelin.spark;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Properties;
import org.apache.hadoop.util.VersionInfo;
import org.apache.zeppelin.interpreter.BaseZeppelinContext;
import org.apache.zeppelin.interpreter.remote.RemoteEventClientWrapper;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.runners.Enclosed;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

@RunWith(Enclosed.class)
public class SparkShimsTest {

  @RunWith(Parameterized.class)
  public static class ParamTests {
    @Parameters(name = "Hadoop {0} supports jobUrl: {1}")
    public static Collection<Object[]> data() {
      return Arrays.asList(
          new Object[][] {
            {"2.6.0", false},
            {"2.6.1", false},
            {"2.6.2", false},
            {"2.6.3", false},
            {"2.6.4", false},
            {"2.6.5", false},
            {"2.6.6", true}, // The latest fixed version
            {"2.6.7", true}, // Future version
            {"2.7.0", false},
            {"2.7.1", false},
            {"2.7.2", false},
            {"2.7.3", false},
            {"2.7.4", true}, // The latest fixed version
            {"2.7.5", true}, // Future versions
            {"2.8.0", false},
            {"2.8.1", false},
            {"2.8.2", true}, // The latest fixed version
            {"2.8.3", true}, // Future versions
            {"2.9.0", true}, // The latest fixed version
            {"2.9.1", true}, // Future versions
            {"3.0.0", true}, // The latest fixed version
            {"3.0.0-alpha4", true}, // The latest fixed version
            {"3.0.1", true}, // Future versions
          });
    }

    @Parameter public String version;

    @Parameter(1)
    public boolean expected;

    @Test
    public void checkYarnVersionTest() {
      SparkShims sparkShims =
          new SparkShims(new Properties()) {
            @Override
            public void setupSparkListener(String master, String sparkWebUrl) {}
          };
      assertEquals(expected, sparkShims.supportYarn6615(version));
    }
  }

  @RunWith(PowerMockRunner.class)
  @PrepareForTest({BaseZeppelinContext.class, VersionInfo.class})
  @PowerMockIgnore({"javax.net.*", "javax.security.*"})
  public static class SingleTests {
    @Mock Properties mockProperties;
    @Captor ArgumentCaptor<Map<String, String>> argumentCaptor;

    SparkShims sparkShims;

    @Before
    public void setUp() {
      PowerMockito.mockStatic(BaseZeppelinContext.class);
      RemoteEventClientWrapper mockRemoteEventClientWrapper = mock(RemoteEventClientWrapper.class);

      when(BaseZeppelinContext.getEventClient()).thenReturn(mockRemoteEventClientWrapper);
      doNothing()
          .when(mockRemoteEventClientWrapper)
          .onParaInfosReceived(anyString(), anyString(), argumentCaptor.capture());

      when(mockProperties.getProperty("spark.jobGroup.id")).thenReturn("zeppelin-user1-note-paragraph");

      try {
        sparkShims = SparkShims.getInstance(SparkVersion.SPARK_2_0_0.toString(), new Properties());
      } catch (Throwable ignore) {
        sparkShims = SparkShims.getInstance(SparkVersion.SPARK_1_6_0.toString(), new Properties());
      }
    }

    @Test
    public void runUnerLocalTest() {
      sparkShims.buildSparkJobUrl("local", "http://sparkurl", 0, mockProperties);
      Map<String, String> mapValue = argumentCaptor.getValue();
      assertTrue(mapValue.keySet().contains("jobUrl"));
      assertTrue(mapValue.get("jobUrl").contains("/jobs/job?id="));
    }

    @Test
    public void runUnerYarnTest() {
      sparkShims.buildSparkJobUrl("yarn", "http://sparkurl", 0, mockProperties);

      Map<String, String> mapValue = argumentCaptor.getValue();
      assertTrue(mapValue.keySet().contains("jobUrl"));

      if (sparkShims.supportYarn6615(VersionInfo.getVersion())) {
        assertTrue(mapValue.get("jobUrl").contains("/jobs/job?id="));
      } else {
        assertFalse(mapValue.get("jobUrl").contains("/jobs/job?id="));
      }
    }
  }
}