/*
* Copyright 2012-2013 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.convert;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.junit.Test;
import org.springframework.data.util.ClassTypeInformation;
import org.springframework.data.util.TypeInformation;
/**
* Unit tests for {@link SimpleTypeInformationMapper}.
*
* @author Oliver Gierke
*/
public class SimpleTypeInformationMapperUnitTests {
@Test
@SuppressWarnings({ "rawtypes" })
public void resolvesTypeByLoadingClass() {
TypeInformationMapper mapper = new SimpleTypeInformationMapper();
TypeInformation type = mapper.resolveTypeFrom("java.lang.String");
TypeInformation expected = ClassTypeInformation.from(String.class);
assertThat(type, is(expected));
}
@Test
public void returnsNullForNonStringKey() {
TypeInformationMapper mapper = new SimpleTypeInformationMapper();
assertThat(mapper.resolveTypeFrom(new Object()), is(nullValue()));
}
@Test
public void returnsNullForEmptyTypeKey() {
TypeInformationMapper mapper = new SimpleTypeInformationMapper();
assertThat(mapper.resolveTypeFrom(""), is(nullValue()));
}
@Test
public void returnsNullForUnloadableClass() {
TypeInformationMapper mapper = new SimpleTypeInformationMapper();
assertThat(mapper.resolveTypeFrom("Foo"), is(nullValue()));
}
@Test
public void usesFullyQualifiedClassNameAsTypeKey() {
TypeInformationMapper mapper = new SimpleTypeInformationMapper();
Object alias = mapper.createAliasFor(ClassTypeInformation.from(String.class));
assertTrue(alias instanceof String);
assertThat(alias, is((Object) String.class.getName()));
}
}