/*
* 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 org.apache.kafka.connect.storage;
import org.apache.kafka.connect.data.Schema;
import org.apache.kafka.connect.data.SchemaAndValue;
import org.junit.Test;
import java.io.UnsupportedEncodingException;
import java.util.Collections;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertArrayEquals;
public class StringConverterTest {
private static final String TOPIC = "topic";
private static final String SAMPLE_STRING = "a string";
private StringConverter converter = new StringConverter();
@Test
public void testStringToBytes() throws UnsupportedEncodingException {
assertArrayEquals(SAMPLE_STRING.getBytes("UTF8"), converter.fromConnectData(TOPIC, Schema.STRING_SCHEMA, SAMPLE_STRING));
}
@Test
public void testNonStringToBytes() throws UnsupportedEncodingException {
assertArrayEquals("true".getBytes("UTF8"), converter.fromConnectData(TOPIC, Schema.BOOLEAN_SCHEMA, true));
}
@Test
public void testNullToBytes() {
assertEquals(null, converter.fromConnectData(TOPIC, Schema.OPTIONAL_STRING_SCHEMA, null));
}
@Test
public void testToBytesIgnoresSchema() throws UnsupportedEncodingException {
assertArrayEquals("true".getBytes("UTF8"), converter.fromConnectData(TOPIC, null, true));
}
@Test
public void testToBytesNonUtf8Encoding() throws UnsupportedEncodingException {
converter.configure(Collections.singletonMap("converter.encoding", "UTF-16"), true);
assertArrayEquals(SAMPLE_STRING.getBytes("UTF-16"), converter.fromConnectData(TOPIC, Schema.STRING_SCHEMA, SAMPLE_STRING));
}
@Test
public void testBytesToString() {
SchemaAndValue data = converter.toConnectData(TOPIC, SAMPLE_STRING.getBytes());
assertEquals(Schema.OPTIONAL_STRING_SCHEMA, data.schema());
assertEquals(SAMPLE_STRING, data.value());
}
@Test
public void testBytesNullToString() {
SchemaAndValue data = converter.toConnectData(TOPIC, null);
assertEquals(Schema.OPTIONAL_STRING_SCHEMA, data.schema());
assertEquals(null, data.value());
}
@Test
public void testBytesToStringNonUtf8Encoding() throws UnsupportedEncodingException {
converter.configure(Collections.singletonMap("converter.encoding", "UTF-16"), true);
SchemaAndValue data = converter.toConnectData(TOPIC, SAMPLE_STRING.getBytes("UTF-16"));
assertEquals(Schema.OPTIONAL_STRING_SCHEMA, data.schema());
assertEquals(SAMPLE_STRING, data.value());
}
}