/*
* 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.cell.client;
import com.google.gwt.cell.client.Cell.Context;
import com.google.gwt.core.shared.impl.StringCase;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.ImageElement;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
/**
* Tests for {@link TextCell}.
*/
public class ImageLoadingCellTest extends CellTestBase<String> {
@Override
public void testRender() {
Cell<String> cell = createCell();
String value = createCellValue();
SafeHtmlBuilder sb = new SafeHtmlBuilder();
Context context = new Context(0, 0, null);
cell.render(context, value, sb);
// Render the html.
Element elem = Document.get().createDivElement();
elem.setInnerSafeHtml(sb.toSafeHtml());
// Verify the image.
assertEquals(2, elem.getChildCount());
Element imgWrapper = elem.getChild(1).cast();
ImageElement img = imgWrapper.getFirstChildElement().cast();
assertEquals("img", StringCase.toLower(img.getTagName()));
assertTrue(StringCase.toLower(img.getSrc()).endsWith("test.png"));
}
@Override
public void testRenderNegativeIndex() {
Cell<String> cell = createCell();
String value = createCellValue();
SafeHtmlBuilder sb = new SafeHtmlBuilder();
Context context = new Context(-1, -1, null);
cell.render(context, value, sb);
// Render the html.
Element elem = Document.get().createDivElement();
elem.setInnerSafeHtml(sb.toSafeHtml());
// Verify the image.
assertEquals(2, elem.getChildCount());
Element imgWrapper = elem.getChild(1).cast();
ImageElement img = imgWrapper.getFirstChildElement().cast();
assertEquals("img", StringCase.toLower(img.getTagName()));
assertTrue(StringCase.toLower(img.getSrc()).endsWith("test.png"));
}
@Override
protected Cell<String> createCell() {
return new ImageLoadingCell();
}
@Override
protected String createCellValue() {
return "test.png";
}
@Override
protected boolean dependsOnSelection() {
return false;
}
@Override
protected String[] getConsumedEvents() {
return new String[]{"load", "error"};
}
@Override
protected String getExpectedInnerHtml() {
return "<div></div><div><img src='test.png'/></div>";
}
@Override
protected String getExpectedInnerHtmlNull() {
return "";
}
}