/*
* Copyright 2002-2016 the original author or authors.
*
* 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.springframework.web.servlet.tags.form;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Collections;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import org.junit.Before;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockPageContext;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Errors;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.support.JspAwareRequestContext;
import org.springframework.web.servlet.support.RequestContext;
import org.springframework.web.servlet.support.RequestContextUtils;
import org.springframework.web.servlet.support.RequestDataValueProcessor;
import org.springframework.web.servlet.support.RequestDataValueProcessorWrapper;
import org.springframework.web.servlet.tags.AbstractTagTests;
import org.springframework.web.servlet.tags.RequestContextAwareTag;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
* @author Rob Harrop
* @author Juergen Hoeller
*/
public abstract class AbstractHtmlElementTagTests extends AbstractTagTests {
public static final String COMMAND_NAME = "testBean";
private StringWriter writer;
private MockPageContext pageContext;
@Before
public final void setUp() throws Exception {
// set up a writer for the tag content to be written to
this.writer = new StringWriter();
// configure the page context
this.pageContext = createAndPopulatePageContext();
onSetUp();
}
protected MockPageContext createAndPopulatePageContext() throws JspException {
MockPageContext pageContext = createPageContext();
MockHttpServletRequest request = (MockHttpServletRequest) pageContext.getRequest();
StaticWebApplicationContext wac = (StaticWebApplicationContext) RequestContextUtils.findWebApplicationContext(request);
wac.registerSingleton("requestDataValueProcessor", RequestDataValueProcessorWrapper.class);
extendRequest(request);
extendPageContext(pageContext);
RequestContext requestContext = new JspAwareRequestContext(pageContext);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, requestContext);
return pageContext;
}
protected void extendPageContext(MockPageContext pageContext) throws JspException {
}
protected void extendRequest(MockHttpServletRequest request) {
}
protected void onSetUp() {
}
protected MockPageContext getPageContext() {
return this.pageContext;
}
protected Writer getWriter() {
return this.writer;
}
protected String getOutput() {
return this.writer.toString();
}
protected final RequestContext getRequestContext() {
return (RequestContext) getPageContext().getAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE);
}
@SuppressWarnings("deprecation")
protected RequestDataValueProcessor getMockRequestDataValueProcessor() {
RequestDataValueProcessor mockProcessor = mock(RequestDataValueProcessor.class);
HttpServletRequest request = (HttpServletRequest) getPageContext().getRequest();
StaticWebApplicationContext wac = (StaticWebApplicationContext) RequestContextUtils.findWebApplicationContext(request);
wac.getBean(RequestDataValueProcessorWrapper.class).setRequestDataValueProcessor(mockProcessor);
return mockProcessor;
}
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map<String, Object> model = Collections.singletonMap(
BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
protected final void assertContainsAttribute(String output, String attributeName, String attributeValue) {
String attributeString = attributeName + "=\"" + attributeValue + "\"";
assertTrue("Expected to find attribute '" + attributeName +
"' with value '" + attributeValue +
"' in output + '" + output + "'",
output.contains(attributeString));
}
protected final void assertAttributeNotPresent(String output, String attributeName) {
assertTrue("Unexpected attribute '" + attributeName + "' in output '" + output + "'.",
!output.contains(attributeName + "=\""));
}
protected final void assertBlockTagContains(String output, String desiredContents) {
String contents = output.substring(output.indexOf(">") + 1, output.lastIndexOf("<"));
assertTrue("Expected to find '" + desiredContents + "' in the contents of block tag '" + output + "'",
contents.contains(desiredContents));
}
}