/*
    * Copyright (C) 2016 Ronald Jack Jenkins Jr.
    *
    * 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 info.ronjenkins.maven.rtr.steps;
  
  import info.ronjenkins.maven.rtr.RTRConfig;
  import info.ronjenkins.maven.rtr.exceptions.SmartReactorSanityCheckException;
  
  import java.util.List;
  
  import mockit.Expectations;
  import mockit.Injectable;
  import mockit.Mock;
  import mockit.MockUp;
  import mockit.Mocked;
  
  import org.apache.maven.MavenExecutionException;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.project.MavenProject;
  import org.junit.Assert;
  import org.junit.Test;
  
  import util.TestLogger;
  import util.TestUtils;
  
  public final class PerformSmartReactorSanityChecksTest {
    @Injectable
    MavenSession session;
    @Mocked
    MavenProject root;
    @Mocked
    RTRConfig    config;
  
    @Test
    public void singleProjectNonPomReactorAlwaysWorks() {
      final PerformSmartReactorSanityChecks step = new PerformSmartReactorSanityChecks();
      final TestLogger logger = TestUtils.addLogger(step);
      new Expectations() {
        {
          PerformSmartReactorSanityChecksTest.this.session.getProjects().size();
          this.result = 1;
          PerformSmartReactorSanityChecksTest.this.session.getTopLevelProject();
          this.result = PerformSmartReactorSanityChecksTest.this.root;
          PerformSmartReactorSanityChecksTest.this.root.getArtifact().getType();
          this.result = "jar";
        }
      };
      try {
        step.execute(this.session, null);
      }
      catch (final MavenExecutionException e) {
        Assert.fail();
      }
      Assert.assertTrue(logger.getErrorLog().isEmpty());
    }
  
    @Test
    public void singleProjectPomReactorFailsIfNotAllowed() {
      final PerformSmartReactorSanityChecks step = new PerformSmartReactorSanityChecks();
      final TestLogger logger = TestUtils.addLogger(step);
      new Expectations() {
        {
          PerformSmartReactorSanityChecksTest.this.session.getProjects().size();
          this.result = 1;
          PerformSmartReactorSanityChecksTest.this.session.getTopLevelProject();
          this.result = PerformSmartReactorSanityChecksTest.this.root;
          PerformSmartReactorSanityChecksTest.this.root.getArtifact().getType();
          this.result = "pom";
          RTRConfig.isSinglePomReactorAllowed(
              PerformSmartReactorSanityChecksTest.this.session,
              PerformSmartReactorSanityChecksTest.this.root);
          this.result = false;
        }
      };
      try {
        step.execute(this.session, null);
      }
      catch (final MavenExecutionException e) {
        Assert.assertTrue(e instanceof SmartReactorSanityCheckException);
      }
      Assert.assertFalse(logger.getErrorLog().isEmpty());
    }
  
    @Test
    public void singleProjectPomReactorWorksIfAllowed() {
      final PerformSmartReactorSanityChecks step = new PerformSmartReactorSanityChecks();
      final TestLogger logger = TestUtils.addLogger(step);
     new Expectations() {
       {
         PerformSmartReactorSanityChecksTest.this.session.getProjects().size();
         this.result = 1;
         PerformSmartReactorSanityChecksTest.this.session.getTopLevelProject();
         this.result = PerformSmartReactorSanityChecksTest.this.root;
         PerformSmartReactorSanityChecksTest.this.root.getArtifact().getType();
         this.result = "pom";
         RTRConfig.isSinglePomReactorAllowed(
             PerformSmartReactorSanityChecksTest.this.session,
             PerformSmartReactorSanityChecksTest.this.root);
         this.result = true;
       }
     };
     try {
       step.execute(this.session, null);
     }
     catch (final MavenExecutionException e) {
       Assert.fail();
     }
     Assert.assertTrue(logger.getErrorLog().isEmpty());
   }
 
   @Test
   public void twoProjectReactorAlwaysWorks() {
     final PerformSmartReactorSanityChecks step = new PerformSmartReactorSanityChecks();
     final TestLogger logger = TestUtils.addLogger(step);
     final List<MavenProject> projects = new MockUp<List<MavenProject>>() {
       /*
        * TODO I tried session.getProjects().size(); result = 2; in the
        * expectations block but it kept returning 1. Investigate further and
        * file a bug with JMockit if necessary.
        */
       @Mock
       int size() {
         return 2;
       }
     }.getMockInstance();
     new Expectations() {
       {
         PerformSmartReactorSanityChecksTest.this.session.getProjects();
         this.result = projects;
       }
     };
     try {
       step.execute(this.session, null);
     }
     catch (final MavenExecutionException e) {
       Assert.fail();
     }
     Assert.assertTrue(logger.getErrorLog().isEmpty());
   }
 }