Add comprehensive edge case tests for record support

This commit is contained in:
AbhineshJha
2025-10-25 14:43:09 +05:30
parent 2550c692cf
commit fd1eee9c3b
2 changed files with 160 additions and 20 deletions

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@@ -0,0 +1,160 @@
package org.json.junit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.StringReader;
import org.json.JSONObject;
import org.json.junit.data.GenericBeanInt;
import org.json.junit.data.MyEnum;
import org.json.junit.data.MyNumber;
import org.json.junit.data.PersonRecord;
import org.junit.Test;
/**
* Tests for JSONObject support of Java record-style classes.
* These tests verify that classes with accessor methods without get/is prefixes
* (like Java records) can be properly converted to JSONObject.
*/
public class JSONObjectRecordTest {
/**
* Tests that JSONObject can be created from a record-style class.
* Record-style classes use accessor methods like name() instead of getName().
*/
@Test
public void jsonObjectByRecord() {
PersonRecord person = new PersonRecord("John Doe", 30, true);
JSONObject jsonObject = new JSONObject(person);
assertEquals("Expected 3 keys in the JSONObject", 3, jsonObject.length());
assertEquals("John Doe", jsonObject.get("name"));
assertEquals(30, jsonObject.get("age"));
assertEquals(true, jsonObject.get("active"));
}
/**
* Test that Object methods (toString, hashCode, equals, etc.) are not included
*/
@Test
public void recordStyleClassShouldNotIncludeObjectMethods() {
PersonRecord person = new PersonRecord("Jane Doe", 25, false);
JSONObject jsonObject = new JSONObject(person);
// Should NOT include Object methods
assertFalse("Should not include toString", jsonObject.has("toString"));
assertFalse("Should not include hashCode", jsonObject.has("hashCode"));
assertFalse("Should not include equals", jsonObject.has("equals"));
assertFalse("Should not include clone", jsonObject.has("clone"));
assertFalse("Should not include wait", jsonObject.has("wait"));
assertFalse("Should not include notify", jsonObject.has("notify"));
assertFalse("Should not include notifyAll", jsonObject.has("notifyAll"));
// Should only have the 3 record fields
assertEquals("Should only have 3 fields", 3, jsonObject.length());
}
/**
* Test that enum methods are not included when processing an enum
*/
@Test
public void enumsShouldNotIncludeEnumMethods() {
MyEnum myEnum = MyEnum.VAL1;
JSONObject jsonObject = new JSONObject(myEnum);
// Should NOT include enum-specific methods like name(), ordinal(), values(), valueOf()
assertFalse("Should not include name method", jsonObject.has("name"));
assertFalse("Should not include ordinal method", jsonObject.has("ordinal"));
assertFalse("Should not include declaringClass", jsonObject.has("declaringClass"));
// Enums should still work with traditional getters if they have any
// But should not pick up the built-in enum methods
}
/**
* Test that Number subclass methods are not included
*/
@Test
public void numberSubclassesShouldNotIncludeNumberMethods() {
MyNumber myNumber = new MyNumber();
JSONObject jsonObject = new JSONObject(myNumber);
// Should NOT include Number methods like intValue(), longValue(), etc.
assertFalse("Should not include intValue", jsonObject.has("intValue"));
assertFalse("Should not include longValue", jsonObject.has("longValue"));
assertFalse("Should not include doubleValue", jsonObject.has("doubleValue"));
assertFalse("Should not include floatValue", jsonObject.has("floatValue"));
// Should include the actual getter
assertTrue("Should include number", jsonObject.has("number"));
assertEquals("Should have 1 field", 1, jsonObject.length());
}
/**
* Test that generic bean with get() and is() methods works correctly
*/
@Test
public void genericBeanWithGetAndIsMethodsShouldNotBeIncluded() {
GenericBeanInt bean = new GenericBeanInt(42);
JSONObject jsonObject = new JSONObject(bean);
// Should NOT include standalone get() or is() methods
assertFalse("Should not include standalone 'get' method", jsonObject.has("get"));
assertFalse("Should not include standalone 'is' method", jsonObject.has("is"));
// Should include the actual getters
assertTrue("Should include genericValue field", jsonObject.has("genericValue"));
assertTrue("Should include a field", jsonObject.has("a"));
}
/**
* Test that java.* classes don't have their methods picked up
*/
@Test
public void javaLibraryClassesShouldNotIncludeTheirMethods() {
StringReader reader = new StringReader("test");
JSONObject jsonObject = new JSONObject(reader);
// Should NOT include java.io.Reader methods like read(), reset(), etc.
assertFalse("Should not include read method", jsonObject.has("read"));
assertFalse("Should not include reset method", jsonObject.has("reset"));
assertFalse("Should not include ready method", jsonObject.has("ready"));
assertFalse("Should not include skip method", jsonObject.has("skip"));
// Reader should produce empty JSONObject (no valid properties)
assertEquals("Reader should produce empty JSON", 0, jsonObject.length());
}
/**
* Test mixed case - object with both traditional getters and record-style accessors
*/
@Test
public void mixedGettersAndRecordStyleAccessors() {
// PersonRecord has record-style accessors: name(), age(), active()
// These should all be included
PersonRecord person = new PersonRecord("Mixed Test", 40, true);
JSONObject jsonObject = new JSONObject(person);
assertEquals("Should have all 3 record-style fields", 3, jsonObject.length());
assertTrue("Should include name", jsonObject.has("name"));
assertTrue("Should include age", jsonObject.has("age"));
assertTrue("Should include active", jsonObject.has("active"));
}
/**
* Test that methods starting with uppercase are not included (not valid record accessors)
*/
@Test
public void methodsStartingWithUppercaseShouldNotBeIncluded() {
PersonRecord person = new PersonRecord("Test", 50, false);
JSONObject jsonObject = new JSONObject(person);
// Record-style accessors must start with lowercase
// Methods like Name(), Age() (uppercase) should not be picked up
// Our PersonRecord only has lowercase accessors, which is correct
assertEquals("Should only have lowercase accessors", 3, jsonObject.length());
}
}

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@@ -51,7 +51,6 @@ import org.json.junit.data.MyJsonString;
import org.json.junit.data.MyNumber;
import org.json.junit.data.MyNumberContainer;
import org.json.junit.data.MyPublicClass;
import org.json.junit.data.PersonRecord;
import org.json.junit.data.RecursiveBean;
import org.json.junit.data.RecursiveBeanEquals;
import org.json.junit.data.Singleton;
@@ -797,25 +796,6 @@ public class JSONObjectTest {
Util.checkJSONObjectMaps(jsonObject);
}
/**
* JSONObject built from a Java record.
* Records use accessor methods without get/is prefixes (e.g., name() instead of getName()).
* This test verifies that JSONObject correctly handles record types.
*/
@Test
public void jsonObjectByRecord() {
PersonRecord person = new PersonRecord("John Doe", 30, true);
JSONObject jsonObject = new JSONObject(person);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 3 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 3);
assertTrue("expected name field", "John Doe".equals(jsonObject.query("/name")));
assertTrue("expected age field", Integer.valueOf(30).equals(jsonObject.query("/age")));
assertTrue("expected active field", Boolean.TRUE.equals(jsonObject.query("/active")));
Util.checkJSONObjectMaps(jsonObject);
}
/**
* A bean is also an object. But in order to test the JSONObject
* ctor that takes an object and a list of names,