/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.text.ui;
import org.crsh.AbstractTestCase;
import org.crsh.text.Screenable;
import org.crsh.text.ScreenBuffer;
import org.crsh.text.Format;
import org.crsh.text.LineReader;
import org.crsh.text.RenderAppendable;
import org.crsh.text.ScreenContext;
import org.crsh.text.Style;
import org.crsh.util.Utils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public abstract class AbstractRendererTestCase extends AbstractTestCase {
public List<String> render(final LineReader renderer, final int width) {
ArrayList<String> result = new ArrayList<String>();
while (renderer.hasLine()) {
final ScreenBuffer buffer = new ScreenBuffer();
renderer.renderLine(new RenderAppendable(new ScreenContext() {
public int getWidth() {
return width;
}
public int getHeight() {
return 40;
}
public Screenable append(CharSequence s) throws IOException {
buffer.append(s);
return this;
}
public Appendable append(char c) throws IOException {
buffer.append(c);
return this;
}
public Appendable append(CharSequence csq, int start, int end) throws IOException {
buffer.append(csq, start, end);
return this;
}
public Screenable append(Style style) throws IOException {
buffer.append(style);
return this;
}
public Screenable cls() throws IOException {
buffer.cls();
return this;
}
public void flush() throws IOException {
buffer.flush();
}
}));
StringBuilder sb = new StringBuilder();
try {
buffer.format(Format.ANSI, sb);
}
catch (IOException e) {
throw failure(e);
}
result.add(sb.toString());
}
return result;
}
public List<String> render(Element element, int width) {
LineReader renderer = element.renderer().reader(width);
return render(renderer, width);
}
public void assertRender(Element element, int width, int height, String... expected) {
LineReader renderer = element.renderer().reader(width, height);
assertNotNull("Was expecting a renderer", renderer);
assertRender(renderer, width, expected);
}
public void assertRender(Element element, int width, String... expected) {
LineReader renderer = element.renderer().reader(width);
assertNotNull("Was expecting a renderer", renderer);
assertRender(renderer, width, expected);
}
public void assertNoRender(Element element, int width) {
LineReader renderer = element.renderer().reader(width);
assertNull(renderer);
}
public void assertNoRender(Element element, int width, int height) {
LineReader renderer = element.renderer().reader(width, height);
assertNull(renderer);
}
public void assertRender(LineReader renderer, int width, String... expected) {
List<String> result = render(renderer, width);
if (result.size() != expected.length) {
throw failure("Was expecting the same number of lines got:" + Utils.join(result, "/") + " expected:" +
Utils.join(Arrays.asList(expected), "/"));
} else {
for (int i = 0;i < expected.length;i++) {
if (!result.get(i).equals(expected[i])) {
throw failure("Was expecting line " + i + " <" + result.get(i) + "> to be equals to <" + expected[i] + ">");
}
}
}
}
}