erik/JSON-java
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JSON-java/JSONStringerTest.java
stleary 871a3e46d7 clean up a few more todos
2015-12-30 13:50:51 -06:00

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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();
} 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();
} 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();
} 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();
} 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 {
new JSONStringer().object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object().
key("k").object().key("k").object().key("k").object().key("k").object().key("k").object();
} catch (JSONException e) {
assertTrue("Expected an exception message",
"".
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, "$"))).size() == 7);
assertTrue("expected true", Boolean.TRUE.equals(JsonPath.read(doc, "$.trueValue")));
assertTrue("expected false", Boolean.FALSE.equals(JsonPath.read(doc, "$.falseValue")));
assertTrue("expected null", null == JsonPath.read(doc, "$.nullValue"));
assertTrue("expected hello world!", "hello world!".equals(JsonPath.read(doc, "$.stringValue")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(JsonPath.read(doc, "$.complexStringValue")));
assertTrue("expected 42", Integer.valueOf(42).equals(JsonPath.read(doc, "$.intValue")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(JsonPath.read(doc, "$.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, "$"))).size() == 6);
assertTrue("expected true", Boolean.TRUE.equals(JsonPath.read(doc, "$[0]")));
assertTrue("expected false", Boolean.FALSE.equals(JsonPath.read(doc, "$[1]")));
assertTrue("expected null", null == JsonPath.read(doc, "$[2]"));
assertTrue("expected hello world!", "hello world!".equals(JsonPath.read(doc, "$[3]")));
assertTrue("expected 42", Integer.valueOf(42).equals(JsonPath.read(doc, "$[4]")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(JsonPath.read(doc, "$[5]")));
}
/**
* Build a nested JSON doc using JSONString API calls, then convert to
* JSONObject. Will create a long cascade of output by reusing the
* returned values..
*/
@Test
public void complexObjectString() {
JSONStringer jsonStringer = new JSONStringer();
jsonStringer.object().
key("trueValue").value(true).
key("falseValue").value(false).
key("nullValue").value(null).
key("stringValue").value("hello world!").
key("object2").object().
key("k1").value("v1").
key("k2").value("v2").
key("k3").value("v3").
key("array1").array().
value(1).
value(2).
object().
key("k4").value("v4").
key("k5").value("v5").
key("k6").value("v6").
key("array2").array().
value(5).
value(6).
value(7).
value(8).
endArray().
endObject().
value(3).
value(4).
endArray().
endObject().
key("complexStringValue").value("h\be\tllo w\u1234orld!").
key("intValue").value(42).
key("doubleValue").value(-23.45e67).
endObject();
String str = jsonStringer.toString();
JSONObject jsonObject = new JSONObject(str);
// validate JSON content
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 8 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).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(JsonPath.read(doc, "$.trueValue")));
assertTrue("expected false", Boolean.FALSE.equals(JsonPath.read(doc, "$.falseValue")));
assertTrue("expected null", null == JsonPath.read(doc, "$.nullValue"));
assertTrue("expected hello world!", "hello world!".equals(JsonPath.read(doc, "$.stringValue")));
assertTrue("expected 42", Integer.valueOf(42).equals(JsonPath.read(doc, "$.intValue")));
assertTrue("expected -23.45e67", Double.valueOf(-23.45e67).equals(JsonPath.read(doc, "$.doubleValue")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(JsonPath.read(doc, "$.complexStringValue")));
assertTrue("expected v1", "v1".equals(JsonPath.read(doc, "$.object2.k1")));
assertTrue("expected v2", "v2".equals(JsonPath.read(doc, "$.object2.k2")));
assertTrue("expected v3", "v3".equals(JsonPath.read(doc, "$.object2.k3")));
assertTrue("expected 1", Integer.valueOf(1).equals(JsonPath.read(doc, "$.object2.array1[0]")));
assertTrue("expected 2", Integer.valueOf(2).equals(JsonPath.read(doc, "$.object2.array1[1]")));
assertTrue("expected v4", "v4".equals(JsonPath.read(doc, "$.object2.array1[2].k4")));
assertTrue("expected v5", "v5".equals(JsonPath.read(doc, "$.object2.array1[2].k5")));
assertTrue("expected v6", "v6".equals(JsonPath.read(doc, "$.object2.array1[2].k6")));
assertTrue("expected 5", Integer.valueOf(5).equals(JsonPath.read(doc, "$.object2.array1[2].array2[0]")));
assertTrue("expected 6", Integer.valueOf(6).equals(JsonPath.read(doc, "$.object2.array1[2].array2[1]")));
assertTrue("expected 7", Integer.valueOf(7).equals(JsonPath.read(doc, "$.object2.array1[2].array2[2]")));
assertTrue("expected 8", Integer.valueOf(8).equals(JsonPath.read(doc, "$.object2.array1[2].array2[3]")));
assertTrue("expected 3", Integer.valueOf(3).equals(JsonPath.read(doc, "$.object2.array1[3]")));
assertTrue("expected 4", Integer.valueOf(4).equals(JsonPath.read(doc, "$.object2.array1[4]")));
}
}
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