/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you 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 io.netty.handler.codec;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.util.CharsetUtil;
import io.netty.util.ReferenceCountUtil;
import org.junit.Test;
import java.nio.charset.Charset;
import static io.netty.util.ReferenceCountUtil.releaseLater;
import static org.junit.Assert.*;
public class DelimiterBasedFrameDecoderTest {
@Test
public void testMultipleLinesStrippedDelimiters() {
EmbeddedChannel ch = new EmbeddedChannel(new DelimiterBasedFrameDecoder(8192, true,
Delimiters.lineDelimiter()));
ch.writeInbound(Unpooled.copiedBuffer("TestLine\r\ng\r\n", Charset.defaultCharset()));
assertEquals("TestLine", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertEquals("g", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.finish();
}
@Test
public void testIncompleteLinesStrippedDelimiters() {
EmbeddedChannel ch = new EmbeddedChannel(new DelimiterBasedFrameDecoder(8192, true,
Delimiters.lineDelimiter()));
ch.writeInbound(Unpooled.copiedBuffer("Test", Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.writeInbound(Unpooled.copiedBuffer("Line\r\ng\r\n", Charset.defaultCharset()));
assertEquals("TestLine", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertEquals("g", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.finish();
}
@Test
public void testMultipleLines() {
EmbeddedChannel ch = new EmbeddedChannel(new DelimiterBasedFrameDecoder(8192, false,
Delimiters.lineDelimiter()));
ch.writeInbound(Unpooled.copiedBuffer("TestLine\r\ng\r\n", Charset.defaultCharset()));
assertEquals("TestLine\r\n", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertEquals("g\r\n", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.finish();
}
@Test
public void testIncompleteLines() {
EmbeddedChannel ch = new EmbeddedChannel(new DelimiterBasedFrameDecoder(8192, false,
Delimiters.lineDelimiter()));
ch.writeInbound(Unpooled.copiedBuffer("Test", Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.writeInbound(Unpooled.copiedBuffer("Line\r\ng\r\n", Charset.defaultCharset()));
assertEquals("TestLine\r\n", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertEquals("g\r\n", releaseLater((ByteBuf) ch.readInbound()).toString(Charset.defaultCharset()));
assertNull(ch.readInbound());
ch.finish();
}
@Test
public void testDecode() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(
new DelimiterBasedFrameDecoder(8192, true, Delimiters.lineDelimiter()));
ch.writeInbound(Unpooled.copiedBuffer("first\r\nsecond\nthird", CharsetUtil.US_ASCII));
assertEquals("first", releaseLater((ByteBuf) ch.readInbound()).toString(CharsetUtil.US_ASCII));
assertEquals("second", releaseLater((ByteBuf) ch.readInbound()).toString(CharsetUtil.US_ASCII));
assertNull(ch.readInbound());
ch.finish();
ReferenceCountUtil.release(ch.readInbound());
}
}