| /* |
| * Copyright 2009 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 org.xml.sax.SAXException; |
| |
| import java.util.Iterator; |
| |
| /** |
| * A unit test. Guess what of. |
| */ |
| public class LayoutPanelParserTest extends TestCase { |
| |
| private static final String PARSED_TYPE = "com.google.gwt.user.client.ui.LayoutPanel"; |
| |
| private ElementParserTester tester; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| tester = new ElementParserTester(PARSED_TYPE, new LayoutPanelParser()); |
| } |
| |
| public void testBadChild() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:blah/>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"Only g:layer\" error", |
| tester.logger.died.contains("Only <g:layer> children")); |
| } |
| } |
| |
| public void testBadValue() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer left='goosnarg'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"Unable to parse\" error", |
| tester.logger.died.contains("Unable to parse")); |
| } |
| } |
| |
| public void testHappy() throws UnableToCompleteException, SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer>"); |
| b.append(" <g:Label id='foo0'>nada</g:Label>"); |
| b.append(" </g:layer>"); |
| |
| b.append(" <g:layer left='1em' width='1px'>"); |
| b.append(" <g:Label id='foo1'>left-width</g:Label>"); |
| b.append(" </g:layer>"); |
| b.append(" <g:layer right='1em' width='1px'>"); |
| b.append(" <g:Label id='foo2'>right-width</g:Label>"); |
| b.append(" </g:layer>"); |
| b.append(" <g:layer left='1em' right='1px'>"); |
| b.append(" <g:Label id='foo3'>left-right</g:Label>"); |
| b.append(" </g:layer>"); |
| |
| b.append(" <g:layer top='1em' height='50%'>"); |
| b.append(" <g:Label id='foo4'>top-height</g:Label>"); |
| b.append(" </g:layer>"); |
| b.append(" <g:layer bottom='1em' height='50%'>"); |
| b.append(" <g:Label id='foo5'>bottom-height</g:Label>"); |
| b.append(" </g:layer>"); |
| b.append(" <g:layer top='1em' bottom='50%'>"); |
| b.append(" <g:Label id='foo6'>top-bottom</g:Label>"); |
| b.append(" </g:layer>"); |
| |
| b.append(" <g:layer top='{foo.value}em' height='50{foo.unit}'>"); |
| b.append(" <g:Label id='foo7'>top-height</g:Label>"); |
| b.append(" </g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| String[] expected = { |
| "fieldName.add(<g:Label id='foo0'>);", |
| |
| "fieldName.add(<g:Label id='foo1'>);", |
| "fieldName.setWidgetLeftWidth(<g:Label id='foo1'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 1, com.google.gwt.dom.client.Style.Unit.PX);", |
| "fieldName.add(<g:Label id='foo2'>);", |
| "fieldName.setWidgetRightWidth(<g:Label id='foo2'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 1, com.google.gwt.dom.client.Style.Unit.PX);", |
| "fieldName.add(<g:Label id='foo3'>);", |
| "fieldName.setWidgetLeftRight(<g:Label id='foo3'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 1, com.google.gwt.dom.client.Style.Unit.PX);", |
| |
| "fieldName.add(<g:Label id='foo4'>);", |
| "fieldName.setWidgetTopHeight(<g:Label id='foo4'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 50, com.google.gwt.dom.client.Style.Unit.PCT);", |
| "fieldName.add(<g:Label id='foo5'>);", |
| "fieldName.setWidgetBottomHeight(<g:Label id='foo5'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 50, com.google.gwt.dom.client.Style.Unit.PCT);", |
| "fieldName.add(<g:Label id='foo6'>);", |
| "fieldName.setWidgetTopBottom(<g:Label id='foo6'>, 1, " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 50, com.google.gwt.dom.client.Style.Unit.PCT);", |
| |
| "fieldName.add(<g:Label id='foo7'>);", |
| "fieldName.setWidgetTopHeight(<g:Label id='foo7'>, (double)foo.value(), " |
| + "com.google.gwt.dom.client.Style.Unit.EM, 50, foo.unit());" }; |
| |
| tester.parse(b.toString()); |
| |
| assertStatements(expected); |
| } |
| |
| public void testNegativeTopLeft() throws UnableToCompleteException, SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer left='-1em' width='2px' top='-3mm' height='4px'>"); |
| b.append(" <g:Label/>"); |
| b.append(" </g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| tester.parse(b.toString()); |
| |
| assertStatements("fieldName.add(<g:Label>);", |
| "fieldName.setWidgetLeftWidth(<g:Label>, " |
| + "-1, com.google.gwt.dom.client.Style.Unit.EM, " |
| + "2, com.google.gwt.dom.client.Style.Unit.PX);", |
| "fieldName.setWidgetTopHeight(<g:Label>, " |
| + "-3, com.google.gwt.dom.client.Style.Unit.MM, " |
| + "4, com.google.gwt.dom.client.Style.Unit.PX);"); |
| } |
| |
| public void testNegativeWidth() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer left='1em' width='-2px'>"); |
| b.append(" <g:Label/>"); |
| b.append(" </g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| String died = tester.logger.died; |
| assertTrue(died, died.contains("Attribute 'width' can not be negative")); |
| } |
| } |
| |
| public void testNegativeHeight() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer top='1em' height='-2px'>"); |
| b.append(" <g:Label/>"); |
| b.append(" </g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| String died = tester.logger.died; |
| assertTrue(died, died.contains("Attribute 'height' can not be negative")); |
| } |
| } |
| |
| public void testLonelyBottom() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer bottom='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"must be paired\" error", |
| tester.logger.died.contains("must be paired")); |
| } |
| } |
| |
| public void testLonelyLeft() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer left='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"must be paired\" error", |
| tester.logger.died.contains("must be paired")); |
| } |
| } |
| |
| public void testLonelyRight() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer right='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"must be paired\" error", |
| tester.logger.died.contains("must be paired")); |
| } |
| } |
| |
| public void testLonelyTop() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer top='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| assertTrue("expect \"must be paired\" error", |
| tester.logger.died.contains("must be paired")); |
| } |
| } |
| |
| public void testOverConstrainedHorizontally() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer left='0' width='0' right='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| String died = tester.logger.died; |
| assertTrue(died, died.contains("too many horizontal constraints")); |
| } |
| } |
| |
| public void testOverConstrainedVertically() throws SAXException { |
| StringBuffer b = new StringBuffer(); |
| b.append("<g:LayoutPanel>"); |
| b.append(" <g:layer top='0' height='0' bottom='0'><g:HTML/></g:layer>"); |
| b.append("</g:LayoutPanel>"); |
| |
| try { |
| tester.parse(b.toString()); |
| fail(); |
| } catch (UnableToCompleteException e) { |
| String died = tester.logger.died; |
| assertTrue(died, died.contains("too many vertical constraints")); |
| } |
| } |
| |
| 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); |
| } |
| } |