package com.alibaba.tamper;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.junit.Before;
import org.junit.Test;
import com.alibaba.tamper.core.builder.BeanMappingBuilder;
import com.alibaba.tamper.core.config.BeanMappingConfigHelper;
import com.alibaba.tamper.core.config.BeanMappingConfigRespository;
/**
* 基于API构造mapping进行测试，更全面的测试
*
* @author jianghang 2011-6-22 下午01:51:19
*/
public class BeanMappingNestAndNameTest extends TestCase {
private static final String ONE = "one";
private static final String TWO = "two";
private static final String THREE = "three";
private static final String ONE_OTHER = "oneOther";
private static final String TWO_OTHER = "twoOther";
private static final String THREE_OTHER = "threeOther";
@Before
public void setUp() {
try {
// 清空下repository下的数据
TestUtils.setField(BeanMappingConfigHelper.getInstance(), "repository", new BeanMappingConfigRespository());
} catch (Exception e) {
Assert.fail();
}
}
@Test
public void testName() {
BeanMappingBuilder builder = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true).mappingEmptyStrings(false).mappingNullValue(false).trimStrings(true);// 设置行为
mapping("testName", HashMap.class, HashMap.class);
fields(srcField(ONE, String.class), targetField(ONE_OTHER, String.class));
fields(srcField(TWO, String.class), targetField(TWO_OTHER, String.class));
fields(srcField(THREE, String.class), targetField(THREE_OTHER, String.class));
}
};
BeanMappingConfigHelper.getInstance().register(builder);// 注册
BeanMapping mapping = BeanMapping.create("testName");// 获取
Map src = new HashMap();
src.put(ONE, null);// 测试null value
src.put(TWO, " "); // 测试emptyString
src.put(THREE, " ljh "); // 测试trimStrings
Map dest = new HashMap();
dest.put(ONE_OTHER, "ljh"); // 先设一个值，验证下是否有mapping
dest.put(TWO_OTHER, "ljh"); // 先设一个值，验证下是否有mapping
mapping.mapping(src, dest);
assertEquals(dest.get(ONE_OTHER), "ljh");
assertEquals(dest.get(TWO_OTHER), "ljh");
assertEquals(dest.get(THREE_OTHER), "ljh");
}
@Test
public void testNestedNameMapping() {// 测试嵌套mapping处理
BeanMappingBuilder builder = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping(HashMap.class, HashMap.class);
fields(srcField(ONE, String.class), targetField(ONE_OTHER, BigInteger.class));
fields(srcField(TWO, HashMap.class), targetField(TWO_OTHER, HashMap.class)).recursiveMapping(true,
"nestedMapping");
}
};
// 第三层mapping
final BeanMappingBuilder nextNestedMapping = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping("nextNestedMapping", HashMap.class, HashMap.class);
fields(srcField(THREE), targetField(THREE_OTHER));
}
};
// 第二层mapping
BeanMappingBuilder nestedMapping = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping("nestedMapping", HashMap.class, HashMap.class);
fields(srcField(TWO), targetField(TWO_OTHER));
fields(srcField(THREE), targetField(THREE_OTHER)).recursiveMapping(true).nestObject(nextNestedMapping);
}
};
BeanMappingConfigHelper.getInstance().register(nestedMapping);
BeanMappingConfigHelper.getInstance().register(nextNestedMapping);
BeanMappingConfigHelper.getInstance().register(builder);
BeanMapping mapping = new BeanMapping(builder);
Map nextNestedMap = new HashMap();
nextNestedMap.put(THREE, "nextNestedMap three");
Map nestedMap = new HashMap();
nestedMap.put(TWO, "nestedMap two");
nestedMap.put(THREE, nextNestedMap);
Map src = new HashMap();
src.put(ONE, "10");
src.put(TWO, nestedMap);
Map dest = new HashMap();
mapping.mapping(src, dest);
assertEquals(dest.get(ONE_OTHER), BigInteger.valueOf(10));
Map nestedOtherMap = (Map) dest.get(TWO_OTHER);
assertEquals(nestedOtherMap.get(TWO_OTHER), "nestedMap two");
Map nextNestedOtherMap = (Map) nestedOtherMap.get(THREE_OTHER);
assertEquals(nextNestedOtherMap.get(THREE_OTHER), "nextNestedMap three");
}
@Test
public void testCollectionAndNestedNameMapping() {// 测试嵌套collection mapping处理
BeanMappingBuilder builder = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping(HashMap.class, HashMap.class);
fields(srcField(ONE, String.class), targetField(ONE_OTHER, BigInteger.class));
fields(srcField(TWO, List.class).componentClasses(HashMap.class),
targetField(TWO_OTHER, List.class).componentClasses(HashMap.class)).nestName("nestedMapping");
}
};
// 第三层mapping
final BeanMappingBuilder nextNestedMapping = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping("nextNestedMapping", HashMap.class, HashMap.class);
fields(srcField(THREE), targetField(THREE_OTHER));
}
};
// 第二层mapping
BeanMappingBuilder nestedMapping = new BeanMappingBuilder() {
protected void configure() {
behavior().debug(true);// 设置行为
mapping("nestedMapping", HashMap.class, HashMap.class);
fields(srcField(TWO), targetField(TWO_OTHER));
fields(srcField(THREE), targetField(THREE_OTHER)).recursiveMapping(true).nestObject(nextNestedMapping);
}
};
BeanMappingConfigHelper.getInstance().register(nextNestedMapping);
BeanMappingConfigHelper.getInstance().register(nestedMapping);
BeanMappingConfigHelper.getInstance().register(builder);
BeanMapping mapping = new BeanMapping(builder);
Map nextNestedMap1 = new HashMap();
nextNestedMap1.put(THREE, "nextNestedMap three1");
Map nestedMap1 = new HashMap();
nestedMap1.put(TWO, "nestedMap two1");
nestedMap1.put(THREE, nextNestedMap1);
Map nextNestedMap2 = new HashMap();
nextNestedMap2.put(THREE, "nextNestedMap three2");
Map nestedMap2 = new HashMap();
nestedMap2.put(TWO, "nestedMap two2");
nestedMap2.put(THREE, nextNestedMap2);
Map src = new HashMap();
src.put(ONE, "10");
src.put(TWO, Arrays.asList(nestedMap1, nestedMap2)); // 映射集合
Map dest = new HashMap();
mapping.mapping(src, dest);
assertEquals(dest.get(ONE_OTHER), BigInteger.valueOf(10));
List nestedOtherMap = (List) dest.get(TWO_OTHER);
assertEquals(nestedOtherMap.size(), 2);
Map nestedOtherMap1 = (Map) nestedOtherMap.get(0);
assertEquals(nestedOtherMap1.get(TWO_OTHER), "nestedMap two1");
Map nextNestedOtherMap1 = (Map) nestedOtherMap1.get(THREE_OTHER);
assertEquals(nextNestedOtherMap1.get(THREE_OTHER), "nextNestedMap three1");
Map nestedOtherMap2 = (Map) nestedOtherMap.get(1);
assertEquals(nestedOtherMap2.get(TWO_OTHER), "nestedMap two2");
Map nextNestedOtherMap2 = (Map) nestedOtherMap2.get(THREE_OTHER);
assertEquals(nextNestedOtherMap2.get(THREE_OTHER), "nextNestedMap three2");
}
}