Examples with ProjectBuildFileParser com.facebook.buck.json.ProjectBuildFileParser used on opensource projects

Example 1 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class AuditRulesCommand method runWithoutHelp.

@Override
public int runWithoutHelp(CommandRunnerParams params) throws IOException, InterruptedException {
    ProjectFilesystem projectFilesystem = params.getCell().getFilesystem();
    try (ProjectBuildFileParser parser = params.getCell().createBuildFileParser(new ConstructorArgMarshaller(new DefaultTypeCoercerFactory(params.getObjectMapper())), params.getConsole(), params.getBuckEventBus(), /* ignoreBuckAutodepsFiles */
    false)) {
        PrintStream out = params.getConsole().getStdOut();
        for (String pathToBuildFile : getArguments()) {
            if (!json) {
                // Print a comment with the path to the build file.
                out.printf("# %s\n\n", pathToBuildFile);
            }
            // Resolve the path specified by the user.
            Path path = Paths.get(pathToBuildFile);
            if (!path.isAbsolute()) {
                Path root = projectFilesystem.getRootPath();
                path = root.resolve(path);
            }
            // Parse the rules from the build file.
            List<Map<String, Object>> rawRules;
            try {
                rawRules = parser.getAll(path);
            } catch (BuildFileParseException e) {
                throw new HumanReadableException(e);
            }
            // Format and print the rules from the raw data, filtered by type.
            final ImmutableSet<String> types = getTypes();
            Predicate<String> includeType = type -> types.isEmpty() || types.contains(type);
            printRulesToStdout(params, rawRules, includeType);
        }
    } catch (BuildFileParseException e) {
        throw new HumanReadableException("Unable to create parser");
    }
    return 0;
}

Example 2 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserPoolTest method closesCreatedParsers.

@Test
public void closesCreatedParsers() throws Exception {
    final int parsersCount = 4;
    final AtomicInteger parserCount = new AtomicInteger(0);
    Cell cell = EasyMock.createMock(Cell.class);
    ListeningExecutorService executorService = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(parsersCount));
    final CountDownLatch createParserLatch = new CountDownLatch(parsersCount);
    try (ProjectBuildFileParserPool parserPool = new ProjectBuildFileParserPool(parsersCount, input -> {
        parserCount.incrementAndGet();
        final ProjectBuildFileParser parser = EasyMock.createMock(ProjectBuildFileParser.class);
        try {
            EasyMock.expect(parser.getAllRulesAndMetaRules(EasyMock.anyObject(Path.class))).andAnswer(() -> {
                createParserLatch.countDown();
                createParserLatch.await();
                return ImmutableList.of();
            }).anyTimes();
            parser.close();
            EasyMock.expectLastCall().andAnswer(new IAnswer<Void>() {

                @Override
                public Void answer() throws Throwable {
                    parserCount.decrementAndGet();
                    return null;
                }
            });
        } catch (Exception e) {
            Throwables.throwIfUnchecked(e);
            throw new RuntimeException(e);
        }
        EasyMock.replay(parser);
        return parser;
    })) {
        Futures.allAsList(scheduleWork(cell, parserPool, executorService, parsersCount * 2)).get();
        assertThat(parserCount.get(), Matchers.is(4));
    } finally {
        executorService.shutdown();
    }
    // Parser shutdown is async.
    for (int i = 0; i < 10; ++i) {
        if (parserCount.get() == 0) {
            break;
        }
        Thread.sleep(100);
    }
    assertThat(parserCount.get(), Matchers.is(0));
}

Example 3 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserPoolTest method createMockParser.

private ProjectBuildFileParser createMockParser(IAnswer<ImmutableList<Map<String, Object>>> parseFn) {
    ProjectBuildFileParser mock = EasyMock.createMock(ProjectBuildFileParser.class);
    try {
        EasyMock.expect(mock.getAllRulesAndMetaRules(EasyMock.anyObject(Path.class))).andAnswer(parseFn).anyTimes();
        mock.close();
        EasyMock.expectLastCall().andVoid().once();
    } catch (Exception e) {
        Throwables.throwIfUnchecked(e);
        throw new RuntimeException(e);
    }
    EasyMock.replay(mock);
    return mock;
}

Example 4 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserTest method whenSubprocessReturnsWarningThenConsoleEventPublished.

@Test
public void whenSubprocessReturnsWarningThenConsoleEventPublished() throws IOException, BuildFileParseException, InterruptedException {
    // This test depends on unix utilities that don't exist on Windows.
    assumeTrue(Platform.detect() != Platform.WINDOWS);
    TestProjectBuildFileParserFactory buildFileParserFactory = new TestProjectBuildFileParserFactory(cell.getRoot(), cell.getKnownBuildRuleTypes());
    BuckEventBus buckEventBus = BuckEventBusFactory.newInstance(new FakeClock(0));
    final List<ConsoleEvent> consoleEvents = new ArrayList<>();
    final List<WatchmanDiagnosticEvent> watchmanDiagnosticEvents = new ArrayList<>();
    class EventListener {

        @Subscribe
        public void on(ConsoleEvent consoleEvent) {
            consoleEvents.add(consoleEvent);
        }

        @Subscribe
        public void on(WatchmanDiagnosticEvent event) {
            watchmanDiagnosticEvents.add(event);
        }
    }
    EventListener eventListener = new EventListener();
    buckEventBus.register(eventListener);
    try (ProjectBuildFileParser buildFileParser = buildFileParserFactory.createNoopParserThatAlwaysReturnsSuccessWithWarning(buckEventBus, "This is a warning", "parser")) {
        buildFileParser.initIfNeeded();
        buildFileParser.getAllRulesAndMetaRules(Paths.get("foo"));
    }
    assertThat(consoleEvents, Matchers.contains(Matchers.hasToString("Warning raised by BUCK file parser: This is a warning")));
    assertThat("Should not receive any watchman diagnostic events", watchmanDiagnosticEvents, Matchers.empty());
}

Example 5 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserTest method whenSubprocessPrintsWarningToStderrThenConsoleEventPublished.

@Test
public void whenSubprocessPrintsWarningToStderrThenConsoleEventPublished() throws IOException, BuildFileParseException, InterruptedException {
    // This test depends on unix utilities that don't exist on Windows.
    assumeTrue(Platform.detect() != Platform.WINDOWS);
    TestProjectBuildFileParserFactory buildFileParserFactory = new TestProjectBuildFileParserFactory(cell.getRoot(), cell.getKnownBuildRuleTypes());
    BuckEventBus buckEventBus = BuckEventBusFactory.newInstance(new FakeClock(0));
    final List<ConsoleEvent> consoleEvents = new ArrayList<>();
    class EventListener {

        @Subscribe
        public void onConsoleEvent(ConsoleEvent consoleEvent) {
            consoleEvents.add(consoleEvent);
        }
    }
    EventListener eventListener = new EventListener();
    buckEventBus.register(eventListener);
    try (ProjectBuildFileParser buildFileParser = buildFileParserFactory.createNoopParserThatAlwaysReturnsSuccessAndPrintsToStderr(buckEventBus)) {
        buildFileParser.initIfNeeded();
        buildFileParser.getAllRulesAndMetaRules(Paths.get("foo"));
    }
    assertThat(consoleEvents, Matchers.contains(Matchers.hasToString("Warning raised by BUCK file parser: Don't Panic!")));
}