/*
 * SonarQube Java
 * Copyright (C) 2012-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.java.jacoco;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.Description;
import org.mockito.InOrder;
import org.testng.ITestClass;
import org.testng.ITestNGMethod;
import org.testng.ITestResult;
import org.testng.TestNG;

import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class TestNGListenerTest {

  public static class Success {
    @org.testng.annotations.Test
    public void test() {
    }
  }

  public static class Failure {
    @org.testng.annotations.Test
    public void test() {
      org.testng.Assert.fail();
    }
  }

  public static class Skip {
    @org.testng.annotations.Test
    public void test() {
      throw new org.testng.SkipException("Skip me");
    }
  }

  private JacocoController jacoco;
  private TestNGListener listener;

  @Before
  public void setUp() {
    jacoco = mock(JacocoController.class);
    listener = new TestNGListener(jacoco);
  }

  @Test
  public void should_have_public_no_arg_constructor() throws Exception {
    TestNGListener.class.getConstructor();
  }

  @Test
  public void test_success() {
    execute(Success.class);
    String testName = getClass().getCanonicalName() + "$Success test";
    InOrder orderedExecution = inOrder(jacoco);
    orderedExecution.verify(jacoco).onTestStart();
    orderedExecution.verify(jacoco).onTestFinish(testName);
  }

  @Test
  public void test_failure() {
    execute(Failure.class);
    String testName = getClass().getCanonicalName() + "$Failure test";
    InOrder orderedExecution = inOrder(jacoco);
    orderedExecution.verify(jacoco).onTestStart();
    orderedExecution.verify(jacoco).onTestFinish(testName);
  }

  @Test
  public void test_skip() {
    execute(Skip.class);
    String testName = getClass().getCanonicalName() + "$Skip test";
    InOrder orderedExecution = inOrder(jacoco);
    orderedExecution.verify(jacoco).onTestStart();
    orderedExecution.verify(jacoco).onTestFinish(testName);
  }

  private void execute(Class cls) {
    TestNG testNg = new TestNG(false);
    testNg.addListener(listener);
    testNg.setTestClasses(new Class[] {cls});
    testNg.run();
  }

  // JUnit

  @Test
  public void testStarted() {
    listener.testStarted(mockDescription());
    verify(jacoco).onTestStart();
  }

  @Test
  public void testFinished() {
    listener.testFinished(mockDescription());
    verify(jacoco).onTestFinish("class method");
  }

  // TestNG

  @Test
  public void onTestStart() {
    listener.onTestStart(mockTestResult());
    verify(jacoco).onTestStart();
  }

  @Test
  public void onTestSuccess() {
    listener.onTestSuccess(mockTestResult());
    verify(jacoco).onTestFinish("class method");
  }

  @Test
  public void onTestFailure() {
    listener.onTestFailure(mockTestResult());
    verify(jacoco).onTestFinish("class method");
  }

  @Test
  public void onTestSkipped() {
    listener.onTestSkipped(mockTestResult());
    verify(jacoco).onTestFinish("class method");
  }

  @Test
  public void onTestFailedButWithinSuccessPercentage() {
    listener.onTestFailedButWithinSuccessPercentage(mockTestResult());
    verify(jacoco).onTestFinish("class method");
  }

  private ITestResult mockTestResult() {
    ITestResult testResult = mock(ITestResult.class);
    ITestClass testClass = mock(ITestClass.class);
    when(testResult.getTestClass()).thenReturn(testClass);
    ITestNGMethod testMethod = mock(ITestNGMethod.class);
    when(testResult.getMethod()).thenReturn(testMethod);
    when(testClass.getName()).thenReturn("class");
    when(testMethod.getMethodName()).thenReturn("method");
    return testResult;
  }

  private Description mockDescription() {
    Description description = mock(Description.class);
    when(description.getClassName()).thenReturn("class");
    when(description.getMethodName()).thenReturn("method");
    return description;
  }

}