| /* |
| * 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 junit.framework.TestCase; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Test for {@link AbsolutePanelParser}. |
| */ |
| public class AbsolutePanelParserTest extends TestCase { |
| |
| private static final String PARSED_TYPE = "com.google.gwt.user.client.ui.AbsolutePanel"; |
| |
| private ElementParserTester tester; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| tester = new ElementParserTester(PARSED_TYPE, new AbsolutePanelParser()); |
| } |
| |
| public void testBadChild() throws Exception { |
| checkBadLine("<span/>", "Expecting only <g:at> or widget children"); |
| } |
| |
| public void testBadPosition_leftNo() throws Exception { |
| checkBadPosition("top='0'", "Missing required attribute \"left\""); |
| } |
| |
| public void testBadPosition_left() throws Exception { |
| checkBadPosition("left='bad' top='0'", "Cannot parse"); |
| } |
| |
| public void testBadPosition_topNo() throws Exception { |
| checkBadPosition("left='0'", "Missing required attribute \"top\""); |
| } |
| |
| public void testBadPosition_top() throws Exception { |
| checkBadPosition("left='0' top='bad'", "Cannot parse"); |
| } |
| |
| public void testBad_noWidget() throws Exception { |
| checkBadLine("<g:at left='1' top='2'/>", |
| "Element must have a single child element"); |
| } |
| |
| public void testBad_moreThanOneWidget() throws Exception { |
| checkBadLine("<g:at left='1' top='2'>" |
| + "<g:Button id='1'/><g:Button id='2'/></g:at>", |
| "Element may only contain a single child element"); |
| } |
| |
| private void checkBadLine(String badLine, String expectedDied) |
| throws Exception { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:AbsolutePanel>"); |
| b.append(" " + badLine); |
| b.append("</g:AbsolutePanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| String died = tester.logger.died; |
| assertTrue(died, died.contains(expectedDied)); |
| } |
| } |
| |
| private void checkBadPosition(String positionAttributes, String expectedDied) |
| throws Exception { |
| String badLine = "<g:at " + positionAttributes + "><g:Button/></g:at>"; |
| checkBadLine(badLine, expectedDied); |
| } |
| |
| public void testGood() throws Exception { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:AbsolutePanel>"); |
| b.append(" <g:at left='1' top='2'>"); |
| b.append(" <g:Button/>"); |
| b.append(" </g:at>"); |
| b.append(" <g:Label/>"); |
| b.append(" <g:at left='10' top='20'>"); |
| b.append(" <g:Label/>"); |
| b.append(" </g:at>"); |
| b.append("</g:AbsolutePanel>"); |
| |
| tester.parse(b.toString()); |
| |
| assertStatements("fieldName.add(<g:Button>, 1, 2);", |
| "fieldName.add(<g:Label>);", "fieldName.add(<g:Label>, 10, 20);"); |
| } |
| |
| 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); |
| } |
| } |