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added another example of custom comparator

This commit is contained in:
gpq5 2019-07-02 23:25:24 +05:30
parent ce206fade4
commit ceb3d9ba78
1 changed files with 35 additions and 1 deletions
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36
jackson-2/src/test/java/com/baeldung/jackson/json/compare/JsonCompareUnitTest.java
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@ -12,6 +12,7 @@ import org.junit.Test;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.NumericNode;
import com.fasterxml.jackson.databind.node.TextNode;
public class JsonCompareUnitTest {
@ -58,7 +59,7 @@ public class JsonCompareUnitTest {
}
@Test
public void givenTwoJsonDataObjects_whenComparedUsingCustomComparator_thenEqual() throws IOException {
public void givenTwoJsonDataObjects_whenComparedUsingCustomNumericNodeComparator_thenEqual() throws IOException {
ObjectMapper mapper = new ObjectMapper();
String s1 = "{\"name\": \"John\",\"score\":5.0}";
@ -89,4 +90,37 @@ public class JsonCompareUnitTest {
return 1;
}
}
@Test
public void givenTwoJsonDataObjects_whenComparedUsingCustomTextNodeComparator_thenEqual() throws IOException {
ObjectMapper mapper = new ObjectMapper();
String s1 = "{\"name\": \"JOHN\",\"score\":5}";
String s2 = "{\"name\": \"John\",\"score\":5}";
JsonNode actualObj1 = mapper.readTree(s1);
JsonNode actualObj2 = mapper.readTree(s2);
TextNodeComparator cmp = new TextNodeComparator();
assertNotEquals(actualObj1, actualObj2);
assertTrue(actualObj1.equals(cmp, actualObj2));
}
public class TextNodeComparator implements Comparator<JsonNode> {
@Override
public int compare(JsonNode o1, JsonNode o2) {
if (o1.equals(o2)) {
return 0;
}
if ((o1 instanceof TextNode) && (o2 instanceof TextNode)) {
String s1 = ((TextNode) o1).asText();
String s2 = ((TextNode) o2).asText();
if (s1.equalsIgnoreCase(s2)) {
return 0;
}
}
return 1;
}
}
}