/*
* 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.sshd.common.util;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import org.apache.sshd.util.test.BaseTestSupport;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TransformerTest extends BaseTestSupport {
public TransformerTest() {
super();
}
@Test
public void testToString() {
assertNull("Invalid null result", Transformer.TOSTRING.apply(null));
for (Object o : new Object[] {"", getClass(), new Date()}) {
String expected = o.toString();
String actual = Transformer.TOSTRING.apply(o);
assertEquals("Mismatched result for type=" + o.getClass().getSimpleName(), expected, actual);
}
}
@Test
public void testExtractEnumName() {
assertNull("Invalid null result", Transformer.ENUM_NAME_EXTRACTOR.apply(null));
for (TimeUnit u : TimeUnit.values()) {
String expected = u.name();
String actual = Transformer.ENUM_NAME_EXTRACTOR.apply(u);
assertEquals("Mismatched name", expected, actual);
}
}
@Test
public void testSingletonIdentityInstance() {
Transformer<Date, Date> dateTransformer = Transformer.identity();
Transformer<String, String> stringTransformer = Transformer.identity();
assertSame("Mismatched identity instance", dateTransformer, stringTransformer);
}
@Test
public void testIdentity() {
Transformer<Object, Object> identity = Transformer.identity();
for (Object expected : new Object[]{null, getClass(), getCurrentTestName()}) {
Object actual = identity.transform(expected);
assertSame("Mismatched identity result", expected, actual);
}
}
}