Java Code Examples for org.eclipse.aether.graph.DefaultDependencyNode#setChildren()

@Test
public void testArtifactTransferError_missingArtifactNotInGraph()
    throws URISyntaxException, DependencyResolutionException, EnforcerRuleException {
  // Creating a dummy tree
  //   com.google.foo:project
  //     +- com.google.foo:child1 (provided)
  //        +- com.google.foo:child2 (optional)
  DefaultDependencyNode child2 =
      new DefaultDependencyNode(
          new Dependency(
              createArtifactWithDummyFile("com.google.foo:child2:1.0.0"), "compile", true));
  DefaultDependencyNode child1 =
      new DefaultDependencyNode(
          new Dependency(createArtifactWithDummyFile("com.google.foo:child1:1.0.0"), "provided"));
  child1.setChildren(ImmutableList.of(child2));
  DefaultDependencyNode root =
      new DefaultDependencyNode(createArtifactWithDummyFile("com.google.foo:project:1.0.0"));
  root.setChildren(ImmutableList.of(child1));

  DependencyResolutionResult resolutionResult = mock(DependencyResolutionResult.class);
  when(resolutionResult.getDependencyGraph()).thenReturn(root);
  when(resolutionResult.getResolvedDependencies())
      .thenReturn(ImmutableList.of(child1.getDependency(), child2.getDependency()));

  // The exception is caused by this node but this node does not appear in the dependency graph.
  DefaultDependencyNode missingArtifactNode =
      new DefaultDependencyNode(
          new Dependency(
              createArtifactWithDummyFile("xerces:xerces-impl:jar:2.6.2"), "compile", true));
  // xerces-impl does not exist in Maven Central
  DependencyResolutionException exception =
      createDummyResolutionException(missingArtifactNode.getArtifact(), resolutionResult);

  when(mockProjectDependenciesResolver.resolve(any())).thenThrow(exception);

  rule.execute(mockRuleHelper);
  verify(mockLog)
      .warn("xerces:xerces-impl:jar:2.6.2 was not resolved. Dependency path is unknown.");
}
 

@Test
public void testVisitingUniqueNodes_twoPaths() {
  // This setup creates a dependency graph like below. There are two paths from the root to node
  // 'x': root-a-x and root-b-x. The two paths do not share intermediate nodes.
  //
  //    root
  //   /   \
  //  a     b
  //   \   /
  //     x

  DefaultDependencyNode root = new DefaultDependencyNode(new DefaultArtifact("g:r:1"));
  DefaultDependencyNode a = new DefaultDependencyNode(new DefaultArtifact("g:a:1"));
  DefaultDependencyNode b = new DefaultDependencyNode(new DefaultArtifact("g:b:1"));
  DefaultDependencyNode x = new DefaultDependencyNode(new DefaultArtifact("g:x:1"));

  root.setChildren(ImmutableList.of(a, b));
  a.setChildren(ImmutableList.of(x));
  b.setChildren(ImmutableList.of(x));

  UniquePathRecordingDependencyVisitor visitor =
      new UniquePathRecordingDependencyVisitor(
          (DependencyNode node, List<DependencyNode> parents) ->
              node.getArtifact().getArtifactId().equals("x"));

  root.accept(visitor);

  ImmutableList<List<DependencyNode>> paths = visitor.getPaths();
  Truth.assertThat(paths).hasSize(2);
  assertSame(root, paths.get(0).get(0));
  assertSame(a, paths.get(0).get(1));
  assertSame(x, paths.get(0).get(2));

  assertSame(root, paths.get(1).get(0));
  assertSame(b, paths.get(1).get(1));
  assertSame(x, paths.get(1).get(2));
}
 

@Test
public void testVisitingUniqueNodes() {
  // This setup creates a dependency graph like below. There are two paths from the root to node
  // 'y'. UniquePathRecordingDependencyVisitor does not record paths that have the same
  // intermediate node.
  //
  //    root
  //   /   \
  //  a     b
  //   \   /
  //     x
  //     |
  //     y

  DefaultDependencyNode root = new DefaultDependencyNode(new DefaultArtifact("g:r:1"));
  DefaultDependencyNode a = new DefaultDependencyNode(new DefaultArtifact("g:a:1"));
  DefaultDependencyNode b = new DefaultDependencyNode(new DefaultArtifact("g:b:1"));
  DefaultDependencyNode x = new DefaultDependencyNode(new DefaultArtifact("g:x:1"));
  DefaultDependencyNode y = new DefaultDependencyNode(new DefaultArtifact("g:y:1"));

  root.setChildren(ImmutableList.of(a, b));
  a.setChildren(ImmutableList.of(x));
  b.setChildren(ImmutableList.of(x));
  x.setChildren(ImmutableList.of(y));

  UniquePathRecordingDependencyVisitor visitor =
      new UniquePathRecordingDependencyVisitor(
          (DependencyNode node, List<DependencyNode> parents) ->
              node.getArtifact().getArtifactId().equals("y"));

  root.accept(visitor);

  ImmutableList<List<DependencyNode>> paths = visitor.getPaths();
  Truth.assertThat(paths).hasSize(1);
  assertSame(root, paths.get(0).get(0));
  assertSame(a, paths.get(0).get(1));
  assertSame(x, paths.get(0).get(2));
  assertSame(y, paths.get(0).get(3));
}
 

private static org.eclipse.aether.graph.DependencyNode createMavenDependencyNode(String artifactId, String scope, org.eclipse.aether.graph.DependencyNode... children) {
  Dependency dependency = new Dependency(createArtifact(artifactId), scope);
  DefaultDependencyNode node = new DefaultDependencyNode(dependency);
  node.setChildren(asList(children));

  return node;
}
 

@Test
public void testArtifactTransferError_acceptableMissingArtifact()
    throws URISyntaxException, DependencyResolutionException, EnforcerRuleException {
  // Creating a dummy tree
  //   com.google.foo:project
  //     +- com.google.foo:child1 (provided)
  //        +- com.google.foo:child2 (optional)
  //           +- xerces:xerces-impl:jar:2.6.2 (optional)
  DefaultDependencyNode missingArtifactNode =
      new DefaultDependencyNode(
          new Dependency(
              createArtifactWithDummyFile("xerces:xerces-impl:jar:2.6.2"), "compile", true));
  DefaultDependencyNode child2 =
      new DefaultDependencyNode(
          new Dependency(
              createArtifactWithDummyFile("com.google.foo:child2:1.0.0"), "compile", true));
  child2.setChildren(ImmutableList.of(missingArtifactNode));
  DefaultDependencyNode child1 =
      new DefaultDependencyNode(
          new Dependency(createArtifactWithDummyFile("com.google.foo:child1:1.0.0"), "provided"));
  child1.setChildren(ImmutableList.of(child2));
  DefaultDependencyNode root =
      new DefaultDependencyNode(createArtifactWithDummyFile("com.google.foo:project:1.0.0"));
  root.setChildren(ImmutableList.of(child1));

  DependencyResolutionResult resolutionResult = mock(DependencyResolutionResult.class);
  when(resolutionResult.getDependencyGraph()).thenReturn(root);
  when(resolutionResult.getResolvedDependencies())
      .thenReturn(
          ImmutableList.of(
              child1.getDependency(),
              child2.getDependency(),
              missingArtifactNode.getDependency()));

  // xerces-impl does not exist in Maven Central
  DependencyResolutionException exception =
      createDummyResolutionException(missingArtifactNode.getArtifact(), resolutionResult);

  when(mockProjectDependenciesResolver.resolve(any())).thenThrow(exception);

  // Should not throw DependencyResolutionException, because the missing xerces-impl is under both
  // provided and optional dependencies.
  rule.execute(mockRuleHelper);
}