/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 opennlp.tools.util;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import org.junit.Assert;
import org.junit.Test;
/**
* Tests for the {@link PlainTextByLineStream} class.
*/
public class PlainTextByLineStreamTest {
static final String testString = "line1" +
'\n' +
"line2" +
'\n' +
"line3" +
"\r\n" +
"line4" +
'\n';
@Test
public void testLineSegmentation() throws IOException {
ObjectStream<String> stream =
new PlainTextByLineStream(new MockInputStreamFactory(testString), StandardCharsets.UTF_8);
Assert.assertEquals("line1", stream.read());
Assert.assertEquals("line2", stream.read());
Assert.assertEquals("line3", stream.read());
Assert.assertEquals("line4", stream.read());
Assert.assertNull(stream.read());
stream.close();
}
@Test
public void testReset() throws IOException {
ObjectStream<String> stream =
new PlainTextByLineStream(new MockInputStreamFactory(testString), StandardCharsets.UTF_8);
Assert.assertEquals("line1", stream.read());
Assert.assertEquals("line2", stream.read());
Assert.assertEquals("line3", stream.read());
stream.reset();
Assert.assertEquals("line1", stream.read());
Assert.assertEquals("line2", stream.read());
Assert.assertEquals("line3", stream.read());
Assert.assertEquals("line4", stream.read());
Assert.assertNull(stream.read());
stream.close();
}
}