/*
* Copyright 2012 the original author or authors.
*
* 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.springframework.data.gemfire.mapping;
import static org.hamcrest.CoreMatchers.hasItem;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;
import java.util.Arrays;
import java.util.List;
import org.apache.geode.pdx.PdxReader;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.expression.TypedValue;
/**
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class PdxReaderPropertyAccessorUnitTests {
@Mock
PdxReader reader;
@Test
public void appliesToPdxReadersOnly() {
List<Class<?>> classes = Arrays.asList(PdxReaderPropertyAccessor.INSTANCE.getSpecificTargetClasses());
assertThat(classes, hasItem(PdxReader.class));
}
@Test
public void canReadPropertyIfReaderHasField() {
when(reader.hasField("key")).thenReturn(true);
assertThat(PdxReaderPropertyAccessor.INSTANCE.canRead(null, reader, "key"), is(true));
when(reader.hasField("key")).thenReturn(false);
assertThat(PdxReaderPropertyAccessor.INSTANCE.canRead(null, reader, "key"), is(false));
}
@Test
public void returnsTypedNullIfNullIsReadFromReader() {
when(reader.readObject("key")).thenReturn(null);
assertThat(PdxReaderPropertyAccessor.INSTANCE.read(null, reader, "key"), is(TypedValue.NULL));
}
@Test
public void returnsTypeValueWithValueReadFromReader() {
when(reader.readObject("key")).thenReturn("String");
TypedValue result = PdxReaderPropertyAccessor.INSTANCE.read(null, reader, "key");
assertThat(result.getTypeDescriptor(), is(TypeDescriptor.valueOf(String.class)));
assertThat(result.getValue(), is((Object) "String"));
}
@Test(expected = UnsupportedOperationException.class)
public void doesNotSupportWrites() {
assertThat(PdxReaderPropertyAccessor.INSTANCE.canWrite(null, null, null), is(false));
PdxReaderPropertyAccessor.INSTANCE.write(null, null, null, reader);
}
}