@Test
public void testReadURL() throws Exception {
// Start a simple web server which hosts the log data.
HttpServer server = new HttpServer("test", "0.0.0.0", 0, true);
server.start();
try {
server.addServlet("fakeLog", "/fakeLog", FakeLogServlet.class);
URL url = new URL("http://localhost:" + server.getPort() + "/fakeLog");
EditLogInputStream elis = EditLogFileInputStream.fromUrl(
url, HdfsConstants.INVALID_TXID, HdfsConstants.INVALID_TXID,