| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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 com.google.gwt.uibinder.elementparsers; |
| |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.dev.javac.testing.impl.MockJavaResource; |
| import com.google.gwt.uibinder.rebind.FieldWriter; |
| |
| import junit.framework.TestCase; |
| |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Eponymous unit test. |
| */ |
| public class ImageParserTest extends TestCase { |
| private static final String PARSED_TYPE = "com.google.gwt.user.client.ui.Image"; |
| |
| private static final MockJavaResource IMAGE_SUBCLASS_NO_CONSTRUCTOR = new MockJavaResource( |
| "my.MyImage") { |
| @Override |
| public CharSequence getContent() { |
| StringBuffer code = new StringBuffer(); |
| code.append("package my;\n"); |
| code.append("import com.google.gwt.user.client.ui.Image;\n"); |
| code.append("public class MyImage extends Image {\n"); |
| code.append("}\n"); |
| return code; |
| } |
| }; |
| private static final MockJavaResource IMAGE_SUBCLASS_RESOURCE_CONSTRUCTOR = new MockJavaResource( |
| "my.MyConstructedImage") { |
| @Override |
| public CharSequence getContent() { |
| StringBuffer code = new StringBuffer(); |
| code.append("package my;\n"); |
| code.append("import com.google.gwt.user.client.ui.Image;\n"); |
| code.append("import com.google.gwt.resources.client.ImageResource;\n"); |
| code.append("public class MyConstructedImage extends Image {\n"); |
| code.append(" public MyConstructedImage(ImageResource r) { super(r); }"); |
| code.append("}\n"); |
| return code; |
| } |
| }; |
| private ElementParserTester tester; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| tester = new ElementParserTester(PARSED_TYPE, new ImageParser()); |
| } |
| |
| public void testHappyWithDefaultInstantiableSubclass() |
| throws UnableToCompleteException, SAXException { |
| tester = new ElementParserTester("my.MyImage", new ImageParser(), |
| IMAGE_SUBCLASS_NO_CONSTRUCTOR, IMAGE_SUBCLASS_RESOURCE_CONSTRUCTOR); |
| ImageParser parser = new ImageParser(); |
| StringBuffer b = new StringBuffer(); |
| |
| b.append("<ui:UiBinder xmlns:ui='" + ElementParserTester.BINDER_URI + "'"); |
| b.append(" xmlns:my='urn:import:my'"); |
| b.append(" xmlns:g='urn:import:com.google.gwt.user.client.ui'>"); |
| b.append(" <my:MyImage resource='{someImageResource}'/> "); |
| b.append("</ui:UiBinder>"); |
| |
| parser.parse(tester.getElem(b.toString(), "my:MyImage"), "fieldName", |
| tester.parsedType, tester.writer); |
| FieldWriter w = tester.fieldManager.lookup("fieldName"); |
| assertNull(w.getInitializer()); |
| |
| assertTrue(tester.writer.statements.isEmpty()); |
| assertNull(tester.logger.died); |
| } |
| |
| public void testHappyWithSubclassWithImageResourceConstructor() |
| throws UnableToCompleteException, SAXException { |
| ImageParser parser = new ImageParser(); |
| tester = new ElementParserTester("my.MyConstructedImage", new ImageParser(), |
| IMAGE_SUBCLASS_NO_CONSTRUCTOR, IMAGE_SUBCLASS_RESOURCE_CONSTRUCTOR); |
| |
| StringBuffer b = new StringBuffer(); |
| |
| b.append("<ui:UiBinder xmlns:ui='" + ElementParserTester.BINDER_URI + "'"); |
| b.append(" xmlns:my='urn:import:my'"); |
| b.append(" xmlns:g='urn:import:com.google.gwt.user.client.ui'>"); |
| b.append(" <my:MyConstructedImage resource='{someImageResource}'/> "); |
| b.append("</ui:UiBinder>"); |
| |
| parser.parse(tester.getElem(b.toString(), "my:MyConstructedImage"), "fieldName", |
| tester.parsedType, tester.writer); |
| FieldWriter w = tester.fieldManager.lookup("fieldName"); |
| assertEquals("new my.MyConstructedImage(someImageResource)", |
| w.getInitializer()); |
| |
| assertTrue(tester.writer.statements.isEmpty()); |
| assertNull(tester.logger.died); |
| } |
| |
| public void testHappyWithResource() throws UnableToCompleteException, |
| SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<ui:Image field='someImageResource' />"); |
| b.append("<g:Image resource='{someImageResource}' >"); |
| b.append("</g:Image>"); |
| |
| FieldWriter w = tester.parse(b.toString()); |
| assertEquals("new " + PARSED_TYPE + "(someImageResource)", |
| w.getInitializer()); |
| |
| assertTrue(tester.writer.statements.isEmpty()); |
| assertNull(tester.logger.died); |
| } |
| |
| public void testHappyWithNoResource() throws UnableToCompleteException, |
| SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:Image>"); |
| b.append("</g:Image>"); |
| |
| FieldWriter w = tester.parse(b.toString()); |
| assertNull(w.getInitializer()); |
| |
| assertTrue(tester.writer.statements.isEmpty()); |
| assertNull(tester.logger.died); |
| } |
| |
| public void testChokeOnNonResource() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:Image resource='someString' >"); |
| b.append("</g:Image>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("Expect to hear about ImageResource", |
| tester.logger.died.contains("ImageResource")); |
| } |
| } |
| } |