assertEquals(RequestDataBuilder.newRequestData().url("http://hoge").build(),
                htmlTransformer.getDuplicateUrl(RequestDataBuilder.newRequestData().url(url).build()));

    }

    public void test_normalizeUrl() {
        String url;

        url = "http://hoge/index 123.html";
        assertEquals("http://hoge/index%20123.html", htmlTransformer.normalizeUrl(url));

        url = "http://hoge/index.html";