erik/JSON-java
erik/JSON-java
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JSON-java/src/test/java/org/json/junit/JSONStringerTest.java
run2000 e57881f8fa Fail when exceptions are not thrown as expected 
The idiom was started in the first few methods, but not continued further down where JSONException was expected. False success may have resulted.
2016-07-25 09:44:43 +10:00

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Java
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package org.json.junit;
import static org.junit.Assert.*;
import java.util.*;
import org.json.*;
import org.junit.Test;
import com.jayway.jsonpath.*;
/**
* Tests for JSON-Java JSONStringer and JSONWriter.
*/
public class JSONStringerTest {
/**
* Object with a null key.
* Expects a JSONException.
*/
@Test
public void nullKeyException() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object();
try {
jsonStringer.key(null);
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Null key.".
equals(e.getMessage()));
}
}
/**
* Add a key with no object.
* Expects a JSONException.
*/
@Test
public void outOfSequenceException() {
JSONStringer jsonStringer = new JSONStringer();
try {
jsonStringer.key("hi");
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Misplaced key.".
equals(e.getMessage()));
}
}
/**
* Missplace an array.
* Expects a JSONException
*/
@Test
public void missplacedArrayException() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object().endObject();
try {
jsonStringer.array();
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Misplaced array.".
equals(e.getMessage()));
}
}
/**
* Missplace an endErray.
* Expects a JSONException
*/
@Test
public void missplacedEndArrayException() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object();
try {
jsonStringer.endArray();
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Misplaced endArray.".
equals(e.getMessage()));
}
}
/**
* Missplace an endObject.
* Expects a JSONException
*/
@Test
public void missplacedEndObjectException() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.array();
try {
jsonStringer.endObject();
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Misplaced endObject.".
equals(e.getMessage()));
}
}
/**
* Missplace an object.
* Expects a JSONException.
*/
@Test
public void missplacedObjectException() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object().endObject();
try {
jsonStringer.object();
assertTrue("Expected an exception", false);
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Misplaced object.".
equals(e.getMessage()));
}
}
/**
* Exceeds implementation max nesting depth.
* Expects a JSONException
*/
@Test
public void exceedNestDepthException() {
try {
JSONStringer s = new JSONStringer();
s.object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object();
s.key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object();
fail("Expected an exception message");
} catch (JSONException e) {
assertTrue("Expected an exception message",
"Nesting too deep.".
equals(e.getMessage()));
}
}
/**
* Build a JSON doc using JSONString API calls,
* then convert to JSONObject
*/
@Test
public void simpleObjectString() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object();
jsonStringer.key("trueValue").value(true);
jsonStringer.key("falseValue").value(false);
jsonStringer.key("nullValue").value(null);
jsonStringer.key("stringValue").value("hello world!");
jsonStringer.key("complexStringValue").value("h\be\tllo w\u1234orld!");
jsonStringer.key("intValue").value(42);
jsonStringer.key("doubleValue").value(-23.45e67);
jsonStringer.endObject();
String str = jsonStringer.toString();
JSONObject jsonObject = new JSONObject(str);
// validate JSON content
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 7 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 7);
assertTrue("expected true", Boolean.TRUE.equals(jsonObject.query("/trueValue")));
assertTrue("expected false", Boolean.FALSE.equals(jsonObject.query("/falseValue")));
assertTrue("expected null", JSONObject.NULL.equals(jsonObject.query("/nullValue")));
assertTrue("expected hello world!", "hello world!".equals(jsonObject.query("/stringValue")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/complexStringValue")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonObject.query("/intValue")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(jsonObject.query("/doubleValue")));
}
/**
* Build a JSON doc using JSONString API calls,
* then convert to JSONArray
*/
@Test
public void simpleArrayString() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.array();
jsonStringer.value(true);
jsonStringer.value(false);
jsonStringer.value(null);
jsonStringer.value("hello world!");
jsonStringer.value(42);
jsonStringer.value(-23.45e67);
jsonStringer.endArray();
String str = jsonStringer.toString();
JSONArray jsonArray = new JSONArray(str);
// validate JSON content
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonArray.toString());
assertTrue("expected 6 top level items", ((List<?>)(JsonPath.read(doc, "$"))).size() == 6);
assertTrue("expected true", Boolean.TRUE.equals(jsonArray.query("/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonArray.query("/1")));
assertTrue("expected null", JSONObject.NULL.equals(jsonArray.query("/2")));
assertTrue("expected hello world!", "hello world!".equals(jsonArray.query("/3")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonArray.query("/4")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(jsonArray.query("/5")));
}
/**
* Build a nested JSON doc using JSONString API calls, then convert to
* JSONObject. Will create a long cascade of output by reusing the
* returned values..
*/
@Test
public void complexObjectString() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object().
key("trueValue").value(true).
key("falseValue").value(false).
key("nullValue").value(null).
key("stringValue").value("hello world!").
key("object2").object().
key("k1").value("v1").
key("k2").value("v2").
key("k3").value("v3").
key("array1").array().
value(1).
value(2).
object().
key("k4").value("v4").
key("k5").value("v5").
key("k6").value("v6").
key("array2").array().
value(5).
value(6).
value(7).
value(8).
endArray().
endObject().
value(3).
value(4).
endArray().
endObject().
key("complexStringValue").value("h\be\tllo w\u1234orld!").
key("intValue").value(42).
key("doubleValue").value(-23.45e67).
endObject();
String str = jsonStringer.toString();
JSONObject jsonObject = new JSONObject(str);
// validate JSON content
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 8 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 8);
assertTrue("expected 4 object2 items", ((Map<?,?>)(JsonPath.read(doc, "$.object2"))).size() == 4);
assertTrue("expected 5 array1 items", ((List<?>)(JsonPath.read(doc, "$.object2.array1"))).size() == 5);
assertTrue("expected 4 array[2] items", ((Map<?,?>)(JsonPath.read(doc, "$.object2.array1[2]"))).size() == 4);
assertTrue("expected 4 array1[2].array2 items", ((List<?>)(JsonPath.read(doc, "$.object2.array1[2].array2"))).size() == 4);
assertTrue("expected true", Boolean.TRUE.equals(jsonObject.query("/trueValue")));
assertTrue("expected false", Boolean.FALSE.equals(jsonObject.query("/falseValue")));
assertTrue("expected null", JSONObject.NULL.equals(jsonObject.query("/nullValue")));
assertTrue("expected hello world!", "hello world!".equals(jsonObject.query("/stringValue")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonObject.query("/intValue")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(jsonObject.query("/doubleValue")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/complexStringValue")));
assertTrue("expected v1", "v1".equals(jsonObject.query("/object2/k1")));
assertTrue("expected v2", "v2".equals(jsonObject.query("/object2/k2")));
assertTrue("expected v3", "v3".equals(jsonObject.query("/object2/k3")));
assertTrue("expected 1", Integer.valueOf(1).equals(jsonObject.query("/object2/array1/0")));
assertTrue("expected 2", Integer.valueOf(2).equals(jsonObject.query("/object2/array1/1")));
assertTrue("expected v4", "v4".equals(jsonObject.query("/object2/array1/2/k4")));
assertTrue("expected v5", "v5".equals(jsonObject.query("/object2/array1/2/k5")));
assertTrue("expected v6", "v6".equals(jsonObject.query("/object2/array1/2/k6")));
assertTrue("expected 5", Integer.valueOf(5).equals(jsonObject.query("/object2/array1/2/array2/0")));
assertTrue("expected 6", Integer.valueOf(6).equals(jsonObject.query("/object2/array1/2/array2/1")));
assertTrue("expected 7", Integer.valueOf(7).equals(jsonObject.query("/object2/array1/2/array2/2")));
assertTrue("expected 8", Integer.valueOf(8).equals(jsonObject.query("/object2/array1/2/array2/3")));
assertTrue("expected 3", Integer.valueOf(3).equals(jsonObject.query("/object2/array1/3")));
assertTrue("expected 4", Integer.valueOf(4).equals(jsonObject.query("/object2/array1/4")));
}
}
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