JIRA BAEL-6693, difference between Gson @Expose and @SerializedName (#14370)

Co-authored-by: parthiv39731 <parthiv39731@gmail.com>
2023-07-08 13:52:04 +05:30
parent 5f025f6dd1
commit 571df122f7
5 changed files with 252 additions and 0 deletions
@@ -0,0 +1,75 @@
+package com.baeldung.gson.exposevsserializedname;
+
+import com.baeldung.gson.entities.BankAccount;
+import com.baeldung.gson.entities.Country;
+import com.baeldung.gson.entities.Person;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class PersonSerializerUnitTest {
+    private static final Logger logger = LoggerFactory.getLogger(PersonSerializerUnitTest.class);
+    private Person person = null;
+    private Country country = null;
+    @Before
+    public void preparePersonObj() {
+        List<BankAccount> accounts = new ArrayList<>();
+        BankAccount acc1 = new BankAccount("4565432312", "Bank of America");
+        BankAccount acc2 = new BankAccount("4565432616", "Bank of America");
+        accounts.add(acc1);
+        accounts.add(acc2);
+        person = new Person(
+                "James", "Cameron", "james.cameron@gmail.com",
+                "secret", accounts);
+
+        country = new Country("India", "New Delhi", "Asia");
+    }
+
+    @Test
+    public void WhenUseCustomGson_ThenDonotSerializeAccountNumAndPassword () {
+
+        String personJson = PersonSerializer.serializeWithConfiguredGson(person);
+        logger.info(personJson);
+        assertFalse("Test failed: password found", personJson.contains("password"));
+        assertFalse("Test failed: account number found", personJson.contains("accountNumber:"));
+    }
+
+    @Test
+    public void WhenUseDefaultGson_ThenSerializeAccountNumAndPassword () {
+
+        String personJson = PersonSerializer.serializeWithDefaultGson(person);
+        logger.info(personJson);
+        assertTrue("Test failed: password not found", personJson.contains("password"));
+        assertTrue("Test failed: account number not found", personJson.contains("accountNumber"));
+    }
+
+    @Test
+    public void whenUseSerializedAnnotation_ThenUseSerializedNameinJsonString() {
+        String countryJson = PersonSerializer.toJsonString(country);
+        logger.info(countryJson);
+        assertFalse("Test failed: No change in the keys", countryJson.contains("countryName"));
+        assertFalse("Test failed: No change in the keys", countryJson.contains("contentName"));
+        assertFalse("Test failed: No change in the keys", countryJson.contains("countryCapital"));
+
+        assertTrue("Test failed: No change in the keys", countryJson.contains("name"));
+        assertTrue("Test failed: No change in the keys", countryJson.contains("continent"));
+        assertTrue("Test failed: No change in the keys", countryJson.contains("capital"));
+    }
+
+    @Test
+    public void whenJsonStrCreatedWithCustomKeys_ThenCreateObjUsingGson() {
+        String countryJson = PersonSerializer.toJsonString(country);
+        Country country = PersonSerializer.fromJsonString(countryJson);
+        logger.info(country.toString());
+        assertEquals("Fail: Object creation failed", country.getCountryName(), "India");
+        assertEquals("Fail: Object creation failed", country.getCountryCapital(), "New Delhi");
+        assertEquals("Fail: Object creation failed", country.getContinentName(), "Asia");
+    }
+}