/*******************************************************************************
* Copyright 2014 Analog Devices, Inc.
*
* 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 com.analog.lyric.dimple.test.core.proposalKernels;
import static com.analog.lyric.util.test.ExceptionTester.*;
import static org.junit.Assert.*;
import org.junit.Test;
import com.analog.lyric.collect.ConstructorRegistry;
import com.analog.lyric.dimple.environment.DimpleEnvironment;
import com.analog.lyric.dimple.solvers.core.proposalKernels.CircularNormalProposalKernel;
import com.analog.lyric.dimple.solvers.core.proposalKernels.IProposalKernel;
import com.analog.lyric.dimple.solvers.core.proposalKernels.NormalProposalKernel;
import com.analog.lyric.dimple.solvers.core.proposalKernels.ProposalKernelOptionKey;
import com.analog.lyric.dimple.test.DimpleTestBase;
import com.analog.lyric.options.LocalOptionHolder;
import com.analog.lyric.options.OptionValidationException;
/**
*
* @since 0.07
* @author Christopher Barber
*/
@SuppressWarnings("deprecation")
public class TestProposalKernels extends DimpleTestBase
{
public static final ProposalKernelOptionKey testKey =
new ProposalKernelOptionKey(TestProposalKernels.class, "testKey", NormalProposalKernel.class);
@Test
public void testRegistry()
{
ConstructorRegistry<IProposalKernel> registry = DimpleEnvironment.active().proposalKernels();
assertNull(registry.instantiateOrNull("does not exist"));
assertNull(registry.instantiateOrNull("ProposalKernelRegistry"));
assertNull(registry.instantiateOrNull("MyProposalKernel"));
assertNull(registry.getClassOrNull("MyProposalKernel"));
IProposalKernel kernel = registry.instantiateOrNull("NormalProposalKernel");
assertTrue(kernel instanceof NormalProposalKernel);
IProposalKernel kernel2 = registry.instantiateOrNull("NormalProposalKernel");
assertTrue(kernel2 instanceof NormalProposalKernel);
assertNotSame(kernel, kernel2);
registry.addPackage(getClass().getPackage().getName());
kernel = registry.instantiateOrNull("MyProposalKernel");
assertTrue(kernel instanceof MyProposalKernel);
assertSame(MyProposalKernel.class, registry.getClassOrNull("MyProposalKernel"));
expectThrow(RuntimeException.class, registry, "instantiate", "BrokenProposalKernel");
assertNull(registry.instantiateOrNull("NoConstructorProposalKernel"));
}
@Test
public void testOptionKeys()
{
assertSame(IProposalKernel.class, testKey.superClass());
assertSame(NormalProposalKernel.class, testKey.defaultValue());
assertSame(NormalProposalKernel.class, testKey.convertToValue("NormalProposalKernel"));
assertSame(NormalProposalKernel.class, testKey.convertToValue(NormalProposalKernel.class.getName()));
assertSame(NormalProposalKernel.class, testKey.convertToValue(NormalProposalKernel.class));
expectThrow(OptionValidationException.class, testKey, "validate", NoConstructorProposalKernel.class, null);
}
@Test
public void testNormalProposalKernel()
{
NormalProposalKernel kernel = new NormalProposalKernel();
assertEquals(1.0, kernel.getStandardDeviation(), 0.0);
kernel.setStandardDeviation(2.0);
assertEquals(2.0, kernel.getStandardDeviation(), 0.0);
LocalOptionHolder holder = new LocalOptionHolder();
kernel = new NormalProposalKernel();
kernel.configureFromOptions(holder);
assertEquals(NormalProposalKernel.standardDeviation.defaultValue(), kernel.getStandardDeviation(), 0.0);
holder.setOption(NormalProposalKernel.standardDeviation, 2.3);
kernel.configureFromOptions(holder);
assertEquals(2.3, kernel.getStandardDeviation(), 0.0);
}
@Test
public void testCircularNormalProposalKernel()
{
CircularNormalProposalKernel kernel = new CircularNormalProposalKernel();
assertEquals(NormalProposalKernel.standardDeviation.defaultValue(), kernel.getStandardDeviation(), 0.0);
assertEquals(CircularNormalProposalKernel.lowerBound.defaultValue(), kernel.getLowerBound(), 0.0);
assertEquals(CircularNormalProposalKernel.upperBound.defaultValue(), kernel.getUpperBound(), 0.0);
kernel.setStandardDeviation(2.0);
assertEquals(2.0, kernel.getStandardDeviation(), 0.0);
kernel.setCircularBounds(-1, 1);
assertEquals(-1.0, kernel.getLowerBound(), 0.0);
assertEquals(1.0, kernel.getUpperBound(), 0.0);
LocalOptionHolder holder = new LocalOptionHolder();
kernel = new CircularNormalProposalKernel();
kernel.configureFromOptions(holder);
assertEquals(NormalProposalKernel.standardDeviation.defaultValue(), kernel.getStandardDeviation(), 0.0);
assertEquals(CircularNormalProposalKernel.lowerBound.defaultValue(), kernel.getLowerBound(), 0.0);
assertEquals(CircularNormalProposalKernel.upperBound.defaultValue(), kernel.getUpperBound(), 0.0);
holder.setOption(NormalProposalKernel.standardDeviation, 2.3);
holder.setOption(CircularNormalProposalKernel.lowerBound, -4.3);
holder.setOption(CircularNormalProposalKernel.upperBound, 5.2);
kernel.configureFromOptions(holder);
assertEquals(2.3, kernel.getStandardDeviation(), 0.0);
assertEquals(-4.3, kernel.getLowerBound(), 0.0);
assertEquals(5.2, kernel.getUpperBound(), 0.0);
}
}