| /* |
| * $Id$ |
| * |
| * Copyright 2006 The Apache Software Foundation. |
| * |
| * Licensed 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.struts2.dispatcher; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URL; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.struts2.ServletActionContext; |
| import org.springframework.mock.web.MockHttpServletResponse; |
| |
| import com.opensymphony.xwork2.util.ClassLoaderUtil; |
| import com.opensymphony.xwork2.Action; |
| import com.opensymphony.xwork2.ActionContext; |
| import com.opensymphony.xwork2.mock.MockActionInvocation; |
| import com.opensymphony.xwork2.util.OgnlValueStack; |
| |
| /** |
| * Unit test for {@link StreamResult}. |
| * |
| */ |
| public class StreamResultTest extends TestCase { |
| |
| private StreamResult result; |
| private MockHttpServletResponse response; |
| |
| private MockActionInvocation mai; |
| private OgnlValueStack stack; |
| private int contentLength = 0; |
| |
| public void testStreamResultNoInputName() throws Exception { |
| result.setParse(false); |
| result.setInputName(null); |
| |
| try { |
| result.doExecute("helloworld", mai); |
| fail("Should have thrown an IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // success |
| } |
| } |
| |
| public void testStreamResultParseNoInputName() throws Exception { |
| result.setParse(true); |
| result.setInputName("${top}"); |
| |
| try { |
| result.doExecute("helloworld", mai); |
| fail("Should have thrown an IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // success |
| } |
| } |
| |
| public void testStreamResultDefault() throws Exception { |
| result.setInputName("streamForImage"); |
| |
| result.doExecute("helloworld", mai); |
| |
| assertEquals(null, result.getContentLength()); |
| assertEquals("text/plain", result.getContentType()); |
| assertEquals("streamForImage", result.getInputName()); |
| assertEquals(1024, result.getBufferSize()); // 1024 is default |
| assertEquals("inline", result.getContentDisposition()); |
| |
| assertEquals("text/plain", response.getContentType()); |
| assertEquals(0, response.getContentLength()); |
| assertEquals("inline", response.getHeader("Content-disposition")); |
| } |
| |
| public void testStreamResultNoDefault() throws Exception { |
| // it's not easy to test using easymock as we use getOutputStream on HttpServletResponse. |
| result.setParse(false); |
| result.setInputName("streamForImage"); |
| result.setBufferSize(128); |
| result.setContentLength(String.valueOf(contentLength)); |
| result.setContentDisposition("filename=\"logo.png\""); |
| result.setContentType("image/jpeg"); |
| |
| result.doExecute("helloworld", mai); |
| |
| assertEquals(String.valueOf(contentLength), result.getContentLength()); |
| assertEquals("image/jpeg", result.getContentType()); |
| assertEquals("streamForImage", result.getInputName()); |
| assertEquals(128, result.getBufferSize()); |
| assertEquals("filename=\"logo.png\"", result.getContentDisposition()); |
| |
| assertEquals("image/jpeg", response.getContentType()); |
| assertEquals(contentLength, response.getContentLength()); |
| assertEquals("filename=\"logo.png\"", response.getHeader("Content-disposition")); |
| } |
| |
| public void testStreamResultParse1() throws Exception { |
| /////////////////// |
| result.setParse(true); |
| // ${...} conditionalParse of Result, returns String, |
| // which gets evaluated to the stack, that's how it works. |
| // We use ${streamForImageAsString} that returns "streamForImage" |
| // which is a property that returns an InputStream object. |
| result.setInputName("${streamForImageAsString}"); |
| result.setBufferSize(128); |
| result.setContentLength(String.valueOf(contentLength)); |
| result.setContentDisposition("filename=\"logo.png\""); |
| result.setContentType("image/jpeg"); |
| |
| result.doExecute("helloworld", mai); |
| |
| assertEquals(String.valueOf(contentLength), result.getContentLength()); |
| assertEquals("image/jpeg", result.getContentType()); |
| assertEquals("${streamForImageAsString}", result.getInputName()); |
| assertEquals(128, result.getBufferSize()); |
| assertEquals("filename=\"logo.png\"", result.getContentDisposition()); |
| |
| assertEquals("image/jpeg", response.getContentType()); |
| assertEquals(contentLength, response.getContentLength()); |
| assertEquals("filename=\"logo.png\"", response.getHeader("Content-disposition")); |
| } |
| |
| public void testStreamResultParse2() throws Exception { |
| /////////////////// |
| result.setParse(true); |
| // This time we dun use ${...}, so streamForImage will |
| // be evaluated to the stack, which should reaturn an |
| // InputStream object, cause there's such a property in |
| // the action object itself. |
| result.setInputName("streamForImage"); |
| result.setBufferSize(128); |
| result.setContentLength(String.valueOf(contentLength)); |
| result.setContentDisposition("filename=\"logo.png\""); |
| result.setContentType("image/jpeg"); |
| |
| result.doExecute("helloworld", mai); |
| |
| assertEquals(String.valueOf(contentLength), result.getContentLength()); |
| assertEquals("image/jpeg", result.getContentType()); |
| assertEquals("streamForImage", result.getInputName()); |
| assertEquals(128, result.getBufferSize()); |
| assertEquals("filename=\"logo.png\"", result.getContentDisposition()); |
| |
| assertEquals("image/jpeg", response.getContentType()); |
| assertEquals(contentLength, response.getContentLength()); |
| assertEquals("filename=\"logo.png\"", response.getHeader("Content-disposition")); |
| } |
| |
| protected void setUp() throws Exception { |
| response = new MockHttpServletResponse(); |
| |
| result = new StreamResult(); |
| stack = new OgnlValueStack(); |
| ActionContext.getContext().setValueStack(stack); |
| |
| MyImageAction action = new MyImageAction(); |
| contentLength = (int) action.getContentLength(); |
| |
| mai = new com.opensymphony.xwork2.mock.MockActionInvocation(); |
| mai.setAction(action); |
| mai.setStack(stack); |
| mai.setInvocationContext(ActionContext.getContext()); |
| stack.push(action); |
| |
| ActionContext.getContext().put(ServletActionContext.HTTP_RESPONSE, response); |
| } |
| |
| |
| |
| protected void tearDown() { |
| response = null; |
| result = null; |
| stack = null; |
| contentLength = 0; |
| mai = null; |
| } |
| |
| public class MyImageAction implements Action { |
| |
| public InputStream getStreamForImage() throws Exception { |
| // just use src/test/log4j.properties as test file |
| URL url = ClassLoaderUtil.getResource("log4j.properties", StreamResultTest.class); |
| File file = new File(new URI(url.toString())); |
| FileInputStream fis = new FileInputStream(file); |
| return fis; |
| } |
| |
| public String execute() throws Exception { |
| return SUCCESS; |
| } |
| |
| public long getContentLength() throws Exception { |
| URL url = ClassLoaderUtil.getResource("log4j.properties", StreamResultTest.class); |
| File file = new File(new URI(url.toString())); |
| return file.length(); |
| } |
| |
| public String getStreamForImageAsString() { |
| return "streamForImage"; |
| } |
| } |
| |
| } |