Java tutorial
/* The MIT License (MIT) Copyright (c) 2015 Manuel Kasiske Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.braindrainpain.docker.httpsupport; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.methods.GetMethod; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.InjectMocks; import org.mockito.Mock; import org.mockito.MockitoAnnotations; import org.mockito.Spy; import org.mockito.runners.MockitoJUnitRunner; import java.io.IOException; import static junit.framework.Assert.fail; import static org.mockito.Matchers.any; import static org.mockito.Mockito.when; /** * @author Manuel Kasiske */ @RunWith(MockitoJUnitRunner.class) public class HttpClientServiceTest { @Mock private HttpClient httpClient; @Spy private GetMethod getMethod; @InjectMocks private HttpClientService httpClientService; public static final String URL = "http://www.anyDomain.de"; @Before public void setup() { MockitoAnnotations.initMocks(this); httpClientService = new HttpClientService(httpClient, getMethod); } @Test public void testDoGetWithEmptyUrlShouldFail() { try { httpClientService.doGet(""); fail("IOException expected if url is empty"); } catch (IOException e) { Assert.assertEquals("cannot connect to url ", e.getMessage()); } } @Test public void testDoGetIsAnswering() throws Exception { when(httpClient.executeMethod(any(HttpMethod.class))).thenReturn(200); String answer = "spy answered"; when(getMethod.getResponseBodyAsString()).thenReturn(answer); Assert.assertEquals(answer, httpClientService.doGet(URL)); } @Test public void testDoGetThrowsExceptionOnStatus404() { String answer = "spy answered"; try { when(httpClient.executeMethod(any(HttpMethod.class))).thenReturn(404); when(getMethod.getResponseBodyAsString()).thenReturn(answer); httpClientService.doGet(URL); fail("IOException expected if status is 404"); } catch (IOException e) { Assert.assertEquals("cannot connect to url " + URL, e.getMessage()); } } @Test public void testCheckConnection() throws IOException { when(httpClient.executeMethod(any(HttpMethod.class))).thenReturn(200); httpClientService.checkConnection(URL); } @Test public void testCheckConnectionThrowsExceptionOnStatus404() throws IOException { when(httpClient.executeMethod(any(HttpMethod.class))).thenReturn(404); try { httpClientService.checkConnection(URL); fail("RuntimeException expected if status is 404"); } catch (RuntimeException e) { Assert.assertEquals("Not ok from: '" + URL + "'", e.getMessage()); } } @Test public void testCheckConnectionThrowsIOExceptionOnExecuteMethodShouldThrowRuntimeException() throws IOException { when(httpClient.executeMethod(any(HttpMethod.class))).thenThrow(new IOException()); try { httpClientService.checkConnection(URL); fail(); } catch (RuntimeException e) { Assert.assertEquals("Error connecting to: '" + URL + "'", e.getMessage()); } } }