/*
* 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"));
}
}
}