120 lines
2.4 KiB
Java
120 lines
2.4 KiB
Java
package we.util;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.junit.jupiter.api.Test;
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public class MapUtilTests {
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@Test
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public void TestMerge() {
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/**
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* target = {
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a: 1,
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c: 3,
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b: {
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b1: "b1",
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b2: {
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c1: "c1"
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c2: "c2"
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},
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b3: [1, 2, 3],
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b4: "b4"
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}
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};
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*/
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Map<String, Object> target = new HashMap<>();
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target.put("a", 1);
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target.put("c", 3);
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Map<String, Object> b = new HashMap<>();
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target.put("b", b);
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b.put("b1", "b1");
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Map<String, Object> c = new HashMap<>();
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c.put("c1", "c1");
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c.put("c2", "c2");
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b.put("b2", c);
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List<Integer> list1 = new ArrayList<>();
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list1.add(1);
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list1.add(2);
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list1.add(3);
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b.put("b3", list1);
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b.put("b4", "b4");
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/**
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* src = {
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b: {
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b1: "b1-src",
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b2: {
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c1: "c1-src"
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},
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b3: [1, 4]
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},
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d: "d1"
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};
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*/
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Map<String, Object> src = new HashMap<>();
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Map<String, Object> srcb = new HashMap<>();
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srcb.put("b1", "b1-src");
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Map<String, Object> srcc = new HashMap<>();
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srcc.put("c1", "c1-src");
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srcb.put("b2", srcc);
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List<Integer> list2 = new ArrayList<>();
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list2.add(1);
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list2.add(4);
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srcb.put("b3", list2);
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src.put("b", srcb);
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src.put("d", "d1");
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MapUtil.merge(target, src);
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/**
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* expected output:
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* {
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"a": 1,
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"b": {
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"b1": "b1-src",
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"b2": {
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"c1": "c1-src",
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"c2": "c2"
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},
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"b3": [1, 4],
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"b4": "b4"
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},
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"c": 3,
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"d": "d1"
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}
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*/
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assertEquals(1, Integer.valueOf(target.get("a").toString()));
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assertEquals(3, Integer.valueOf(target.get("c").toString()));
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assertEquals("d1", target.get("d"));
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Map<String, Object> mapb = (Map<String, Object>) target.get("b");
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assertEquals("b1-src", mapb.get("b1"));
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assertEquals("b4", mapb.get("b4"));
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List<Integer> list = (List<Integer>) mapb.get("b3");
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assertEquals(2, list.size());
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assertEquals(1, list.get(0));
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assertEquals(4, list.get(1));
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Map<String, Object> mapc = (Map<String, Object>) mapb.get("b2");
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assertEquals("c1-src", mapc.get("c1"));
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assertEquals("c2", mapc.get("c2"));
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}
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}
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