/*
* 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.telnet.term.console;
import junit.framework.TestCase;
import java.io.IOException;
public abstract class AbstractTermBufferTestCase extends TestCase {
protected abstract boolean getSupportsCursorMove();
private static void assertEquals(CharSequence expected, CharSequence actual) {
assertEquals(expected.toString(), actual.toString());
}
/** . */
private SimpleTermIO client;
/** . */
private TermIOBuffer buffer;
@Override
protected void setUp() throws Exception {
resetConsole();
}
private void resetConsole() {
buffer = new TermIOBuffer(client = new SimpleTermIO(getSupportsCursorMove()));
}
public void testNoCR() throws IOException {
buffer.append("a");
assertFalse(buffer.hasNext());
assertEquals(1, buffer.getSize());
}
public void testReadLine() throws IOException {
for (String test : new String[]{"a\n","a\r","a\r\n"}) {
resetConsole();
buffer.append(test);
assertTrue(buffer.hasNext());
assertEquals("a", buffer.next());
assertFalse(buffer.hasNext());
assertEquals(0, buffer.getSize());
}
//
for (String test : new String[]{"a\n\n","a\n\r","a\r\r"}) {
resetConsole();
buffer.append(test);
assertTrue(buffer.hasNext());
assertEquals("a", buffer.next());
assertEquals("", buffer.next());
assertFalse(buffer.hasNext());
assertEquals(0, buffer.getSize());
}
}
public void testErase() throws IOException {
resetConsole();
buffer.append("a");
buffer.del();
buffer.append("b\n");
assertTrue(buffer.hasNext());
assertEquals("b", buffer.next());
assertFalse(buffer.hasNext());
}
public void testMoveLeftInsert() throws IOException {
resetConsole();
buffer.append("a");
buffer.moveLeft();
buffer.append("b\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveLeftInsert(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveLeftInsert();
public void testMoveLeftDel() throws IOException {
resetConsole();
buffer.append("ab");
char expected = buffer.moveLeft() ? 'a' : 'b';
assertEquals(expected, buffer.del());
if (getSupportsCursorMove()) {
client.assertChars("b ");
client.assertEmpty();
} else {
client.assertChars("a");
client.assertEmpty();
}
buffer.append("\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveLeftDel(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveLeftDel();
public void testMoveRightInsert() throws IOException {
resetConsole();
buffer.append("abc");
buffer.moveLeft();
buffer.moveLeft();
buffer.moveRight();
buffer.append("d\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveRightInsert(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveRightInsert();
public void testMoveRightDel() throws IOException {
resetConsole();
buffer.append("abc");
buffer.moveLeft();
buffer.moveLeft();
buffer.moveRight();
buffer.del();
buffer.append("\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveRightDel(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveRightDel();
public void testMoveRightAtEndOfLine() throws IOException {
resetConsole();
buffer.append("a");
buffer.moveRight();
buffer.append("b\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveRightAtEndOfLine(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveRightAtEndOfLine();
public void testMoveRightByTwoChars() throws Exception {
resetConsole();
buffer.append("ab");
buffer.moveLeft();
buffer.moveLeft();
buffer.moveRight(2);
buffer.append("c\n");
assertTrue(buffer.hasNext());
assertEquals("abc", buffer.next());
assertFalse(buffer.hasNext());
client.assertChars("abc");
}
public void testMoveLeftAtBeginningOfLine() throws IOException {
resetConsole();
buffer.append("a");
buffer.moveLeft();
buffer.moveLeft();
buffer.append("b\n");
assertTrue(buffer.hasNext());
assertEquals(getExpectedMoveLeftAtBeginningOfLine(), buffer.next());
assertFalse(buffer.hasNext());
}
protected abstract String getExpectedMoveLeftAtBeginningOfLine();
public void testClearBuffer() throws Exception {
resetConsole();
buffer.append("a");
buffer.clear();
assertFalse(buffer.hasNext());
buffer.append("b\n");
assertEquals("b", buffer.next());
assertFalse(buffer.hasNext());
}
}