/*
* 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 com.google.gwt.uibinder.rebind.XMLElement;
import com.google.gwt.user.client.ui.MenuBar;
import com.google.gwt.user.client.ui.MenuItem;
import junit.framework.TestCase;
import java.util.Iterator;
/**
* Test for {@link MenuItemParser}.
*/
public class MenuItemParserTest extends TestCase {
private static final String PARSED_TYPE = "com.google.gwt.user.client.ui.MenuItem";
private static final String STD_ITEM = "new com.google.gwt.user.client.ui.MenuItem(\"\","
+ " (com.google.gwt.user.client.Command) null)";
private ElementParser parser;
private ElementParserTester tester;
@Override
public void setUp() throws Exception {
super.setUp();
parser = new MenuItemParser();
tester = new ElementParserTester(PARSED_TYPE, parser);
}
public void test_empty() throws Exception {
StringBuffer b = new StringBuffer();
b.append("<g:MenuItem text='My Item'/>");
// parse
FieldWriter w = tester.parse(b.toString());
assertEquals(STD_ITEM, w.getInitializer());
// no statements
assertStatements();
}
/**
* Test for case when child {@link XMLElement} is not {@link MenuBar}.
*/
public void test_notMenuBar() throws Exception {
StringBuffer b = new StringBuffer();
b.append("<g:MenuItem>");
b.append(" <div/>");
b.append("</g:MenuItem>");
// parse
FieldWriter w = tester.parse(b.toString());
assertEquals(STD_ITEM, w.getInitializer());
// no statements
assertStatements();
}
public void test_hasMenuBar() throws Exception {
StringBuffer b = new StringBuffer();
b.append("<g:MenuItem>");
b.append(" <g:MenuBar id='1'/>");
b.append("</g:MenuItem>");
// parse
FieldWriter w = tester.parse(b.toString());
assertEquals(STD_ITEM, w.getInitializer());
// usual statement
assertStatements("fieldName.setSubMenu(<g:MenuBar id='1'>);");
}
public void test_twoMenuBar() throws Exception {
StringBuffer b = new StringBuffer();
b.append("<g:MenuItem text='My Item'>");
b.append(" <g:MenuBar id='1'/>");
b.append(" <g:MenuBar id='2'/>");
b.append("</g:MenuItem>");
// parse failed
try {
tester.parse(b.toString());
} catch (UnableToCompleteException e) {
String died = tester.logger.died;
assertTrue(died.contains("Only one MenuBar may be contained in a MenuItem"));
}
}
/**
* Test for using subclass of {@link MenuItem}.
* <p>
* Custom {@link MenuItem} should have default constructor.
* <p>
* See http://code.google.com/p/google-web-toolkit/issues/detail?id=4550
*/
public void test_customMenuItem() throws Exception {
MockJavaResource itemSubclass = new MockJavaResource(
"com.google.gwt.user.client.ui.MyItem") {
@Override
public CharSequence getContent() {
String superName = MenuItem.class.getCanonicalName();
StringBuffer code = new StringBuffer();
code.append("package com.google.gwt.user.client.ui;\n");
code.append("import com.google.gwt.user.client.Command;\n");
code.append("public class MyItem extends " + superName + " {\n");
code.append(" public MyItem() {\n");
code.append(" super(\"\", (Command) null);\n");
code.append(" }\n");
code.append("}\n");
return code;
}
};
tester = new ElementParserTester("com.google.gwt.user.client.ui.MyItem",
parser, itemSubclass);
// prepare source
StringBuffer b = new StringBuffer();
b.append("<g:MyItem text='My Item'/>");
// parse
FieldWriter w = tester.parse(b.toString());
assertEquals(null, w.getInitializer());
// no statements
assertStatements();
}
public void test_customMenuBar() throws Exception {
MockJavaResource barSubclass = new MockJavaResource(
"com.google.gwt.user.client.ui.MyMenuBar") {
@Override
public CharSequence getContent() {
String superName = MenuBar.class.getCanonicalName();
StringBuffer code = new StringBuffer();
code.append("package com.google.gwt.user.client.ui;\n");
code.append("public class MyMenuBar extends " + superName + " {\n");
code.append("}\n");
return code;
}
};
tester = new ElementParserTester(PARSED_TYPE, parser, barSubclass);
// prepare source
StringBuffer b = new StringBuffer();
b.append("<g:MenuItem>");
b.append(" <g:MyMenuBar id='1'/>");
b.append("</g:MenuItem>");
// parse
FieldWriter w = tester.parse(b.toString());
assertEquals(STD_ITEM, w.getInitializer());
// usual statement
assertStatements("fieldName.setSubMenu(<g:MyMenuBar id='1'>);");
}
private void assertStatements(String... expected) {
Iterator<String> i = tester.writer.statements.iterator();
for (String e : expected) {
assertEquals(e, i.next());
}
assertFalse(i.hasNext());
assertNull(tester.logger.died);
}
/**
* Containers method to reference types referenced only from JavaDoc, used to
* prevent CheckStyle errors.
*/
public void unusedReferences(XMLElement p1, MenuBar p2) {
p1.hashCode();
p2.hashCode();
}
}