erik/JSON-java
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test updates to make sure Enums are handled consistently.

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This commit is contained in:
John J. Aylward 2016-08-11 12:21:49 -04:00
parent c400de3cfe
commit 5779400f26
2 changed files with 70 additions and 27 deletions
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94
src/test/java/org/json/junit/EnumTest.java
View file

@ -1,13 +1,18 @@
package org.json.junit; package org.json.junit;
import static org.junit.Assert.*; import static org.junit.Assert.assertTrue;
import java.util.*; import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.json.*; import org.json.JSONArray;
import org.junit.*; import org.json.JSONObject;
import org.junit.Test;
import com.jayway.jsonpath.*; import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.JsonPath;
/** /**
* Enums are not explicitly supported in JSON-Java. But because enums act like * Enums are not explicitly supported in JSON-Java. But because enums act like
@ -50,11 +55,12 @@ public class EnumTest {
// validate JSON content // validate JSON content
doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString()); doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expecting 2 items in top level object", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2); assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expecting 2 items in myEnumField object", ((Map<?,?>)(JsonPath.read(doc, "$.myEnumField"))).size() == 2); assertTrue("expected 2 myEnumField items", "VAL3".equals((JsonPath.read(doc, "$.myEnumField"))));
assertTrue("expecting 0 items in myEnum object", ((Map<?,?>)(JsonPath.read(doc, "$.myEnum"))).size() == 0); assertTrue("expected 0 myEnum items", "VAL1".equals((JsonPath.read(doc, "$.myEnum"))));
assertTrue("expecting 3", Integer.valueOf(3).equals(jsonObject.query("/myEnumField/intVal")));
assertTrue("expecting val 3", "val 3".equals(jsonObject.query("/myEnumField/value"))); assertTrue("expecting MyEnumField.VAL3", MyEnumField.VAL3.equals(jsonObject.query("/myEnumField")));
assertTrue("expecting MyEnum.VAL1", MyEnum.VAL1.equals(jsonObject.query("/myEnum")));
} }
/** /**
@ -87,6 +93,45 @@ public class EnumTest {
assertTrue("expected VAL1", MyEnumField.VAL1.equals(jsonObject.query("/VAL1"))); assertTrue("expected VAL1", MyEnumField.VAL1.equals(jsonObject.query("/VAL1")));
assertTrue("expected VAL2", MyEnumField.VAL2.equals(jsonObject.query("/VAL2"))); assertTrue("expected VAL2", MyEnumField.VAL2.equals(jsonObject.query("/VAL2")));
assertTrue("expected VAL3", myEnumField.VAL3.equals(jsonObject.query("/VAL3"))); assertTrue("expected VAL3", myEnumField.VAL3.equals(jsonObject.query("/VAL3")));
}
/**
* Verify that enums are handled consistently between JSONArray and JSONObject
*/
@Test
public void verifyEnumConsistency(){
JSONObject jo = new JSONObject();
jo.put("value", MyEnumField.VAL2);
String expected="{\"value\":\"VAL2\"}";
String actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
jo.accumulate("value", MyEnumField.VAL1);
expected="{\"value\":[\"VAL2\",\"VAL1\"]}";
actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
jo.remove("value");
jo.append("value", MyEnumField.VAL1);
expected="{\"value\":[\"VAL1\"]}";
actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
jo.put("value", EnumSet.of(MyEnumField.VAL2));
expected="{\"value\":[\"VAL2\"]}";
actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
JSONArray ja = new JSONArray();
ja.put(MyEnumField.VAL2);
jo.put("value", ja);
actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
jo.put("value", new MyEnumField[]{MyEnumField.VAL2});
actual = jo.toString();
assertTrue("Expected "+expected+" but actual was "+actual, expected.equals(actual));
} }
@ -185,10 +230,8 @@ public class EnumTest {
// validate JSON content // validate JSON content
doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString()); doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2); assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expected 2 myEnumField items", ((Map<?,?>)(JsonPath.read(doc, "$.myEnumField"))).size() == 2); assertTrue("expected VAL3", "VAL3".equals((JsonPath.read(doc, "$.myEnumField"))));
assertTrue("expected 0 myEnum items", ((Map<?,?>)(JsonPath.read(doc, "$.myEnum"))).size() == 0); assertTrue("expected VAL1", "VAL1".equals((JsonPath.read(doc, "$.myEnum"))));
assertTrue("expected 3", Integer.valueOf(3).equals(jsonObject.query("/myEnumField/intVal")));
assertTrue("expected val 3", "val 3".equals(jsonObject.query("/myEnumField/value")));
String [] names = JSONObject.getNames(myEnum); String [] names = JSONObject.getNames(myEnum);
jsonObject = new JSONObject(myEnum, names); jsonObject = new JSONObject(myEnum, names);
@ -233,23 +276,20 @@ public class EnumTest {
} }
/** /**
* Wrap should handle enums exactly the same way as the JSONObject(Object) * Wrap should handle enums exactly as a value type like Integer, Boolean, or String.
* constructor.
*/ */
@Test @Test
public void wrap() { public void wrap() {
MyEnum myEnum = MyEnum.VAL2; assertTrue("simple enum has no getters", JSONObject.wrap(MyEnum.VAL2) instanceof MyEnum);
JSONObject jsonObject = (JSONObject)JSONObject.wrap(myEnum);
assertTrue("simple enum has no getters", jsonObject.length() == 0);
MyEnumField myEnumField = MyEnumField.VAL2; MyEnumField myEnumField = MyEnumField.VAL2;
jsonObject = (JSONObject)JSONObject.wrap(myEnumField); JSONObject jsonObject = new JSONObject();
jsonObject.put("enum",myEnumField);
// validate JSON content // validate JSON content
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString()); Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2); assertTrue("expected 1 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 1);
assertTrue("expected val 2", "val 2".equals(jsonObject.query("/value"))); assertTrue("expected VAL2", MyEnumField.VAL2.equals(jsonObject.query("/enum")));
assertTrue("expected 2", Integer.valueOf(2).equals(jsonObject.query("/intVal")));
MyEnumClass myEnumClass = new MyEnumClass(); MyEnumClass myEnumClass = new MyEnumClass();
myEnumClass.setMyEnum(MyEnum.VAL1); myEnumClass.setMyEnum(MyEnum.VAL1);
@ -259,11 +299,11 @@ public class EnumTest {
// validate JSON content // validate JSON content
doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString()); doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2); assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expected 2 myEnumField items", ((Map<?,?>)(JsonPath.read(doc, "$.myEnumField"))).size() == 2); assertTrue("expected VAL3", "VAL3".equals((JsonPath.read(doc, "$.myEnumField"))));
assertTrue("expected 0 myEnum items", ((Map<?,?>)(JsonPath.read(doc, "$.myEnum"))).size() == 0); assertTrue("expected VAL1", "VAL1".equals((JsonPath.read(doc, "$.myEnum"))));
assertTrue("expected 3", Integer.valueOf(3).equals(jsonObject.query("/myEnumField/intVal")));
assertTrue("expected val 3", "val 3".equals(jsonObject.query("/myEnumField/value")));
assertTrue("expecting MyEnumField.VAL3", MyEnumField.VAL3.equals(jsonObject.query("/myEnumField")));
assertTrue("expecting MyEnum.VAL1", MyEnum.VAL1.equals(jsonObject.query("/myEnum")));
} }
/** /**

3
src/test/java/org/json/junit/MyEnumField.java
View file

@ -20,4 +20,7 @@ public enum MyEnumField {
public Integer getIntVal() { public Integer getIntVal() {
return intVal; return intVal;
} }
public String toString(){
return value;
}
} }