| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.http; |
| |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.atLeastOnce; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| |
| /** |
| * Test if the {@link IsActiveServlet} returns the right answer if the |
| * underlying service is active. |
| */ |
| public class TestIsActiveServlet { |
| |
| private IsActiveServlet servlet; |
| private HttpServletRequest req; |
| private HttpServletResponse resp; |
| private ByteArrayOutputStream respOut; |
| |
| @Before |
| public void setUp() throws Exception { |
| req = mock(HttpServletRequest.class); |
| resp = mock(HttpServletResponse.class); |
| respOut = new ByteArrayOutputStream(); |
| PrintWriter writer = new PrintWriter(respOut); |
| when(resp.getWriter()).thenReturn(writer); |
| } |
| |
| @Test |
| public void testSucceedsOnActive() throws IOException { |
| servlet = new IsActiveServlet() { |
| @Override |
| protected boolean isActive() { |
| return true; |
| } |
| }; |
| |
| String response = doGet(); |
| verify(resp, never()).sendError(anyInt(), anyString()); |
| assertEquals(IsActiveServlet.RESPONSE_ACTIVE, response); |
| } |
| |
| @Test |
| public void testFailsOnInactive() throws IOException { |
| servlet = new IsActiveServlet() { |
| @Override |
| protected boolean isActive() { |
| return false; |
| } |
| }; |
| |
| doGet(); |
| verify(resp, atLeastOnce()).sendError( |
| eq(HttpServletResponse.SC_METHOD_NOT_ALLOWED), |
| eq(IsActiveServlet.RESPONSE_NOT_ACTIVE)); |
| } |
| |
| private String doGet() throws IOException { |
| servlet.doGet(req, resp); |
| return new String(respOut.toByteArray(), "UTF-8"); |
| } |
| } |