public void testJavaImport() throws Exception {
    scratch.file(
        "com/google/example/BUILD",
        "java_import(",
        "   name = 'imp',",
        "   jars = ['a.jar', 'b.jar'],",
        "   srcjar = 'impsrc.jar',",
        ")",
        "java_library(",
        "   name = 'lib',",
        "   srcs = ['Lib.java'],",
        "   deps = [':imp'],",
        ")");

    Map<String, RuleIdeInfo> ruleIdeInfos = buildRuleIdeInfo("//com/google/example:lib");
    final RuleIdeInfo libInfo = getRuleInfoAndVerifyLabel("//com/google/example:lib", ruleIdeInfos);
    RuleIdeInfo impInfo = getRuleInfoAndVerifyLabel("//com/google/example:imp", ruleIdeInfos);
    assertThat(impInfo.getKind()).isEqualTo(Kind.JAVA_IMPORT);
    assertThat(libInfo.getDependenciesList()).containsExactly("//com/google/example:imp");

    JavaRuleIdeInfo javaRuleIdeInfo = impInfo.getJavaRuleIdeInfo();
    assertThat(javaRuleIdeInfo).isNotNull();
    assertThat(transform(javaRuleIdeInfo.getJarsList(), LIBRARY_ARTIFACT_TO_STRING))
        .containsExactly(
            jarString("com/google/example", "a.jar", null, "impsrc.jar"),
            jarString("com/google/example", "b.jar", null, "impsrc.jar"))
        .inOrder();

    assertThat(getIdeResolveFiles())
        .containsExactly(
            "com/google/example/liblib.jar",
            "com/google/example/liblib-ijar.jar",
            "com/google/example/liblib-src.jar");
  }
  private static JavaRuleIdeInfo makeJavaRuleIdeInfo(
      ConfiguredTarget base,
      RuleContext ruleContext,
      JavaRuleOutputJarsProvider outputJarsProvider,
      NestedSetBuilder<Artifact> ideResolveArtifacts,
      @Nullable Artifact packageManifest) {
    JavaRuleIdeInfo.Builder builder = JavaRuleIdeInfo.newBuilder();
    collectJarsFromOutputJarsProvider(builder, ideResolveArtifacts, outputJarsProvider);

    Artifact jdeps = outputJarsProvider.getJdeps();
    if (jdeps != null) {
      builder.setJdeps(makeArtifactLocation(jdeps));
    }

    JavaGenJarsProvider genJarsProvider = base.getProvider(JavaGenJarsProvider.class);
    if (genJarsProvider != null) {
      collectGenJars(builder, ideResolveArtifacts, genJarsProvider);
    }

    Collection<Artifact> sourceFiles = getSources(ruleContext);

    for (Artifact sourceFile : sourceFiles) {
      builder.addSources(makeArtifactLocation(sourceFile));
    }

    if (packageManifest != null) {
      builder.setPackageManifest(makeArtifactLocation(packageManifest));
    }

    return builder.build();
  }