// Copyright 2009 The Apache Software Foundation
//
// Licensed 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.tapestry5.internal.util;
import org.apache.tapestry5.PrimaryKeyEncoder;
import org.apache.tapestry5.ValueEncoder;
import org.apache.tapestry5.internal.test.InternalBaseTestCase;
import org.apache.tapestry5.ioc.services.TypeCoercer;
import org.apache.tapestry5.util.DefaultPrimaryKeyEncoder;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.io.Serializable;
import java.util.List;
public class PrimaryKeyEncoder2ValueEncoderTest extends InternalBaseTestCase
{
private PrimaryKeyEncoder2ValueEncoder coercion;
@BeforeClass
public void setup()
{
TypeCoercer coercer = getService(TypeCoercer.class);
coercion = new PrimaryKeyEncoder2ValueEncoder(coercer);
}
@Test
public void key_type_is_known()
{
PrimaryKeyEncoder pke = newMock(PrimaryKeyEncoder.class);
Object value = new Object();
Long primaryKey = new Long(99);
expect(pke.getKeyType()).andReturn(Long.class);
expect(pke.toKey(value)).andReturn(primaryKey);
expect(pke.toValue(primaryKey)).andReturn(value);
replay();
ValueEncoder ve = coercion.coerce(pke);
assertEquals(ve.toClient(value), "99");
assertEquals(ve.toValue("99"), value);
verify();
}
@Test
public void unknown_key_type()
{
PrimaryKeyEncoder pke = new PrimaryKeyEncoder()
{
public Serializable toKey(Object value)
{
return null;
}
public void prepareForKeys(List keys)
{
}
public Object toValue(Serializable key)
{
return null;
}
public Class getKeyType()
{
return null;
}
@Override
public String toString()
{
return "<Dummy>";
}
};
try
{
coercion.coerce(pke);
unreachable();
}
catch (RuntimeException ex)
{
assertMessageContains(ex,
"Unable to extract primary key type from <Dummy>.",
"You should ensure that the getKeyType() method returns the correct Class.");
}
}
@Test
public void unknown_key_type_for_default_pke()
{
try
{
coercion.coerce(new DefaultPrimaryKeyEncoder());
unreachable();
}
catch (RuntimeException ex)
{
assertMessageContains(ex,
"Class DefaultPrimaryKeyEncoder now includes a constructor for specifying the key type.");
}
}
}