def testSuite = new TestSuite(name, this)
        testSuites.add(testSuite)
        return testSuite
    }

    void writeTestClassFiles() {
        testSuites.each { it.writeContents() }
        testClasses.each { it.writeContents() }
    }

    static class TestSuite {
        final String name
        final JUnitPlatformTestFixture fixture

        Set<TestClass> selected = [] as LinkedHashSet

        assert tmpFile.renameTo(file)
        onPublish(file)
    }

    private void writeContents(output, Closure cl) {
        output.withWriter("utf-8", cl)
    }

    private void writeZipped(TestFile testFile, Closure cl) {
        def bos = new ByteArrayOutputStream()
        writeContents(bos, cl)

        ZipArchiveOutputStream zipStream = new ZipArchiveOutputStream(testFile)
        try {

                response.setHeaders(con.getHeaderFields());
            } catch (final Exception e) {
                throw new CurlException("Failed to access the response.", e);
            }
            writeContent(() -> {
                try {
                    if (con.getResponseCode() < 400) {
                        if (GZIP.equals(con.getContentEncoding())) {

        if (client == null) {
            throw new FessSystemException("No CrawlerClient: " + configId + ", url: " + url);
        }
        return writeContent(configId, url, client);
    }

    protected StreamResponse writeContent(final String configId, final String url, final CrawlerClient client) {
        final StreamResponse response = new StreamResponse(StringUtil.EMPTY);