PR #45 - update unit test

processor/src/main/java/org/bsc/maven/plugin/processor/AbstractAnnotationProcessorMojo.java

@@ -241,19 +241,19 @@ public abstract class AbstractAnnotationProcessorMojo extends AbstractMojo {
    * The entry point to Aether, i.e. the component doing all the work.
    */
   @Component
-  private RepositorySystem repoSystem;
+  protected RepositorySystem repoSystem;
 
   /**
    * The current repository/network configuration of Maven.
    */
   @Parameter(defaultValue = "${repositorySystemSession}", readonly = true)
-  private RepositorySystemSession repoSession;
+  protected RepositorySystemSession repoSession;
 
   /**
    * The project's remote repositories to use for the resolution of plugins and their dependencies.
    */
   @Parameter(defaultValue = "${project.remoteProjectRepositories}", readonly = true)
-  private List<RemoteRepository> remoteRepos;
+  protected List<RemoteRepository> remoteRepos;
 
   /**
    * List of artifacts on which perform sources scanning
@@ -1021,7 +1021,7 @@ private Optional<List<String>> resolveProcessorPathEntries() throws MojoExecutio
           new ArrayList<>(requiredDependencies), this.remoteRepos);
       DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, null);
 
-      DependencyResult resolutionResult = this.repoSystem.resolveDependencies(this.repoSession,
+      DependencyResult resolutionResult = this.repoSystem.resolveDependencies( this.repoSession,
           dependencyRequest);
 
       List<String> artifactPaths = new ArrayList<>(resolutionResult.getArtifactResults().size());
@@ -1036,7 +1036,12 @@ private Optional<List<String>> resolveProcessorPathEntries() throws MojoExecutio
     }
   }
 
-  private Optional<String> buildProcessorPath() throws MojoExecutionException {
+  /**
+   *
+   * @return
+   * @throws MojoExecutionException
+   */
+  Optional<String> buildProcessorPath() throws MojoExecutionException {
     Optional<List<String>> processorPathEntries = this.resolveProcessorPathEntries();
     return processorPathEntries.map(value -> StringUtils.join(value.iterator(), File.pathSeparator));
   }

processor/src/test/java/org/bsc/maven/plugin/processor/AnnotationProcessorMojoTest.java

@@ -1,21 +1,32 @@
 package org.bsc.maven.plugin.processor;
 
-import org.apache.maven.plugin.AbstractMojo;
+
+import org.apache.maven.execution.MavenSession;
 import org.apache.maven.plugin.Mojo;
+import org.apache.maven.plugin.MojoExecution;
 import org.apache.maven.plugin.testing.MojoRule;
 import org.apache.maven.plugin.testing.resources.TestResources;
-import org.junit.Assert;
+import org.apache.maven.project.MavenProject;
+import org.eclipse.aether.RepositorySystemSession;
+import org.eclipse.aether.artifact.Artifact;
+import org.eclipse.aether.metadata.Metadata;
+import org.eclipse.aether.repository.*;
 import org.junit.Rule;
 import org.junit.Test;
 
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Optional;
 
+import static java.lang.String.format;
 import static org.junit.Assert.*;
 
 public class AnnotationProcessorMojoTest {
 
+  //final Path localRepoDir = Paths.get( System.getProperty("user.home"), ".m2", "repository");
+  final Path localRepoDir = Paths.get( "src", "test", "resources", "localRepo");
+
   @Rule
   public MojoRule mojoRule = new MojoRule();
 
@@ -24,22 +35,174 @@ public class AnnotationProcessorMojoTest {
 
   final Path outputPath = Paths.get("target", "classes");
 
+  /**
+   *
+   * @param baseDir
+   * @param goal
+   * @return
+   *
+   * @ref https://stackoverflow.com/a/42216471/521197
+   */
+   <T extends Mojo> T lookupConfiguredMojo( Path baseDir,  String goal ) throws Exception {
+
+     final Path localRepoDir = Paths.get( System.getProperty("user.home"), ".m2", "repository");
+
+     final MavenProject project = mojoRule.readMavenProject(baseDir.toFile());
+
+     // Generate session
+     final MavenSession session = mojoRule.newMavenSession(project);
+
+     // add localRepo - framework doesn't do this on its own
+     final org.apache.maven.artifact.repository.ArtifactRepository localRepo =
+           new org.apache.maven.artifact.repository.MavenArtifactRepository("local",
+             localRepoDir.toString(),
+             new org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout(),
+             new org.apache.maven.artifact.repository.ArtifactRepositoryPolicy( true,
+                     org.apache.maven.artifact.repository.ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,
+                     org.apache.maven.artifact.repository.ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE ),
+             new org.apache.maven.artifact.repository.ArtifactRepositoryPolicy( true,
+                     org.apache.maven.artifact.repository.ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,
+                     org.apache.maven.artifact.repository.ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE )
+
+     );
+
+     session.getRequest().setLocalRepository(localRepo);
+
+     // Generate Execution and Mojo for testing
+     final MojoExecution execution = mojoRule.newMojoExecution("process");
+
+     return (T)mojoRule.lookupConfiguredMojo(session, execution);
+
+   }
+
+  Path artifactPath( String artifact ) {
+    return Paths.get( localRepoDir.toString(), artifact);
+  }
+
+  /**
+   *
+   */
+  class TestLocalRepositoryManager implements org.eclipse.aether.repository.LocalRepositoryManager {
+
+    final org.eclipse.aether.repository.LocalRepository localRepo;
+
+
+    public TestLocalRepositoryManager() {
+      localRepo = new org.eclipse.aether.repository.LocalRepository(localRepoDir.toString());
+    }
+
+    @Override
+    public LocalRepository getRepository() {
+      return localRepo;
+    }
+
+    @Override
+    public String getPathForLocalArtifact(Artifact artifact) {
+      return localRepoDir.toString();
+    }
+
+    @Override
+    public String getPathForRemoteArtifact(Artifact artifact, RemoteRepository remoteRepository, String s) {
+      throw new UnsupportedOperationException( format("getPathForRemoteArtifact(%s)", artifact));
+    }
+
+    @Override
+    public String getPathForLocalMetadata(Metadata metadata) {
+      throw new UnsupportedOperationException( format("getPathForLocalMetadata(%s)", metadata));
+    }
+
+    @Override
+    public String getPathForRemoteMetadata(Metadata metadata, RemoteRepository remoteRepository, String s) {
+      throw new UnsupportedOperationException( format("getPathForRemoteMetadata(%s)", metadata));
+    }
+
+    @Override
+    public LocalArtifactResult find(RepositorySystemSession repositorySystemSession, LocalArtifactRequest localArtifactRequest) {
+
+      final Artifact artifact  = localArtifactRequest.getArtifact();
+
+      final LocalArtifactResult result = new LocalArtifactResult(localArtifactRequest);
+      result.setAvailable(true);
+
+      if( "jar".equals(artifact.getExtension()) ) {
+
+        final File file = artifactPath(
+                format("%s-%s.%s", artifact.getArtifactId(), artifact.getVersion(), artifact.getExtension()))
+                .toFile();
+
+        assertTrue(file.exists());
+
+        result.setFile(file);
+      }
+
+      return result;
+    }
+
+    @Override
+    public LocalMetadataResult find(RepositorySystemSession repositorySystemSession, LocalMetadataRequest localMetadataRequest) {
+      throw new UnsupportedOperationException(format("find(RepositorySystemSession,LocalMetadataRequest:%s)", localMetadataRequest));
+    }
+
+    @Override
+    public void add(RepositorySystemSession repositorySystemSession, LocalArtifactRegistration localArtifactRegistration) {
+      throw new UnsupportedOperationException(format("add(RepositorySystemSession,LocalArtifactRegistration%s)",localArtifactRegistration));
+    }
+
+    @Override
+    public void add(RepositorySystemSession repositorySystemSession, LocalMetadataRegistration localMetadataRegistration) {
+      throw new UnsupportedOperationException(format("add(RepositorySystemSession,LocalMetadataRegistration:%s)", localMetadataRegistration));
+    }
+  }
+
+  /**
+   *
+   * @param baseDir
+   * @param goal
+   * @return
+   *
+   * @ref https://stackoverflow.com/a/42216471/521197
+   */
+  MainAnnotationProcessorMojo lookupConfiguredMojoUsingAether( Path baseDir,  String goal ) throws Exception {
+
+    final MavenProject project = mojoRule.readMavenProject(baseDir.toFile());
+
+    // Generate session
+    final MavenSession session = mojoRule.newMavenSession(project);
+
+    // Generate Execution and Mojo for testing
+    final MojoExecution execution = mojoRule.newMojoExecution(goal);
+
+    final MainAnnotationProcessorMojo mojo =
+            (MainAnnotationProcessorMojo) mojoRule.lookupConfiguredMojo(session, execution);
+
+    org.eclipse.aether.DefaultRepositorySystemSession repoSession =
+            (org.eclipse.aether.DefaultRepositorySystemSession)mojo.repoSession;
+
+    org.eclipse.aether.repository.LocalRepositoryManager localRepoManager =
+            repoSession.getLocalRepositoryManager();
+
+    if( localRepoManager == null ) {
+
+      repoSession.setLocalRepositoryManager( new TestLocalRepositoryManager() );
+    }
+
+    return mojo;
+
+  }
+
   @Test
   public void testPR45() throws Exception {
     final File pom = Paths.get(outputPath.toString(), "pr45", "pom.xml").toFile();
 
     assertNotNull(pom);
 
-    final File baseDir = Paths.get(outputPath.toString(), "pr45").toFile();
-    assertNotNull(baseDir);
-    assertTrue( baseDir.exists() );
-    assertTrue( baseDir.isDirectory() );
-
-    final Mojo mojo = mojoRule.lookupConfiguredMojo(baseDir, "process");
+    final Path baseDir = Paths.get(outputPath.toString(), "pr45");
 
-    assertTrue(mojo instanceof MainAnnotationProcessorMojo);
+    assertNotNull(baseDir);
+    assertTrue( baseDir.toFile().exists() );
+    assertTrue( baseDir.toFile().isDirectory() );
 
-    final MainAnnotationProcessorMojo myMojo = (MainAnnotationProcessorMojo) mojo;
+    final MainAnnotationProcessorMojo myMojo = lookupConfiguredMojoUsingAether(baseDir, "process");
 
     myMojo.execute();
 
@@ -51,8 +214,17 @@ public void testPR45() throws Exception {
     assertNotNull( coord );
     assertEquals( "org.mapstruct", coord.getGroupId() );
     assertEquals( "mapstruct-processor", coord.getArtifactId() );
-    assertEquals( "1.0", coord.getVersion() );
+    assertEquals( "1.4.2.Final", coord.getVersion() );
+
+    assertNotNull( "repoSystem not initialized", myMojo.repoSystem );
+    assertNotNull( "repoSession not initialized", myMojo.repoSession );
+    assertNotNull( "remoteRepos not initialized", myMojo.remoteRepos );
+
+
+    final Optional<String> processorPath = myMojo.buildProcessorPath();
 
+    assertTrue( processorPath.isPresent() );
+    assertEquals( artifactPath( "mapstruct-processor-1.4.2.Final.jar").toAbsolutePath().toString(), processorPath.get() );
 
   }
 }

processor/src/test/resources/pr45/pom.xml

@@ -20,7 +20,7 @@
                         <annotationProcessorPath>
                             <groupId>org.mapstruct</groupId>
                             <artifactId>mapstruct-processor</artifactId>
-                            <version>1.0</version>
+                            <version>1.4.2.Final</version>
                         </annotationProcessorPath>
                     </annotationProcessorPaths>
                 </configuration>