Examples with JavaFileParser com.facebook.buck.jvm.java.JavaFileParser used on opensource projects

Example 6 with JavaFileParser

use of com.facebook.buck.jvm.java.JavaFileParser in project buck by facebook.

the class JavaSymbolsRuleTest method ensureJsonFilesGetWritten.

@Test
public void ensureJsonFilesGetWritten() throws IOException, InterruptedException {
    TestDataHelper.createProjectWorkspaceForScenario(this, "java_library_symbols_finder", tmp).setUp();
    ProjectFilesystem projectFilesystem = new ProjectFilesystem(tmp.getRoot());
    ImmutableSortedSet<SourcePath> srcs = ImmutableSortedSet.<SourcePath>naturalOrder().addAll(Stream.of("Example1.java", "Example2.java").map(Paths::get).map(p -> new PathSourcePath(projectFilesystem, p)).iterator()).add(new DefaultBuildTargetSourcePath(BuildTargetFactory.newInstance("//foo:bar"))).build();
    JavaFileParser javaFileParser = JavaFileParser.createJavaFileParser(JavacOptions.builder().setSourceLevel("7").setTargetLevel("7").build());
    JavaLibrarySymbolsFinder symbolsFinder = new JavaLibrarySymbolsFinder(srcs, javaFileParser, /* shouldRecordRequiredSymbols */
    true);
    BuildTarget buildTarget = BuildTargetFactory.newInstance("//:examples");
    JavaSymbolsRule javaSymbolsRule = new JavaSymbolsRule(buildTarget, symbolsFinder, /* generatedSymbols */
    ImmutableSortedSet.of("com.example.generated.Example"), ObjectMappers.newDefaultInstance(), projectFilesystem);
    BuildRuleResolver resolver = new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
    resolver.addToIndex(javaSymbolsRule);
    SourcePathResolver pathResolver = new SourcePathResolver(new SourcePathRuleFinder(resolver));
    List<Step> buildSteps = javaSymbolsRule.getBuildSteps(FakeBuildContext.withSourcePathResolver(pathResolver), /* buildableContext */
    null);
    ExecutionContext executionContext = TestExecutionContext.newInstance();
    ObjectMapper objectMapper = ObjectMappers.newDefaultInstance();
    for (Step step : buildSteps) {
        step.execute(executionContext);
    }
    JsonNode jsonNode = objectMapper.readTree(projectFilesystem.resolve(BuildTargets.getGenPath(javaSymbolsRule.getProjectFilesystem(), buildTarget.withFlavors(JavaSymbolsRule.JAVA_SYMBOLS), "__%s__.json")).toFile());
    assertTrue(jsonNode instanceof ObjectNode);
    assertEquals(ImmutableSet.of("com.example.Example1", "com.example.Example2", "com.example.generated.Example"), StreamSupport.stream(jsonNode.get("provided").spliterator(), false).map(JsonNode::textValue).collect(MoreCollectors.toImmutableSet()));
    assertEquals(ImmutableSet.of("com.example.other.Bar", "com.example.other.Foo"), StreamSupport.stream(jsonNode.get("required").spliterator(), false).map(JsonNode::textValue).collect(MoreCollectors.toImmutableSet()));
}