/** Unit test to check for regression of [JACKSON-18]. */
public void testSmallNumbers() throws Exception {
ObjectMapper mapper = new ObjectMapper();
ArrayNode root = mapper.createArrayNode();
for (int i = -20; i <= 20; ++i) {
JsonNode n = root.numberNode(i);
root.add(n);
// Hmmh. Not sure why toString() won't be triggered otherwise...
assertEquals(String.valueOf(i), n.toString());
}
// Loop over 2 different serialization methods
for (int type = 0; type < 2; ++type) {
StringWriter sw = new StringWriter();
if (type == 0) {
JsonGenerator gen = new JsonFactory().createGenerator(sw);
root.serialize(gen, null);
gen.close();
} else {
mapper.writeValue(sw, root);
}
String doc = sw.toString();
JsonParser p = new JsonFactory().createParser(new StringReader(doc));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
for (int i = -20; i <= 20; ++i) {
assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
assertEquals(i, p.getIntValue());
assertEquals("" + i, p.getText());
}
assertEquals(JsonToken.END_ARRAY, p.nextToken());
p.close();
}
}
public void testFromMap() throws Exception {
ObjectMapper mapper = new ObjectMapper();
ObjectNode root = mapper.createObjectNode();
root.put(FIELD4, TEXT2);
root.put(FIELD3, -1);
root.putArray(FIELD2);
root.put(FIELD1, DOUBLE_VALUE);
/* Let's serialize using one of two alternate methods:
* first preferred (using generator)
* (there are 2 variants here too)
*/
for (int i = 0; i < 2; ++i) {
StringWriter sw = new StringWriter();
if (i == 0) {
JsonGenerator gen = new JsonFactory().createGenerator(sw);
root.serialize(gen, null);
gen.close();
} else {
mapper.writeValue(sw, root);
}
verifyFromMap(sw.toString());
}
// And then convenient but less efficient alternative:
verifyFromMap(root.toString());
}
public void testFromArray() throws Exception {
ObjectMapper mapper = new ObjectMapper();
ArrayNode root = mapper.createArrayNode();
root.add(TEXT1);
root.add(3);
ObjectNode obj = root.addObject();
obj.put(FIELD1, true);
obj.putArray(FIELD2);
root.add(false);
/* Ok, ready... let's serialize using one of two alternate
* methods: first preferred (using generator)
* (there are 2 variants here too)
*/
for (int i = 0; i < 2; ++i) {
StringWriter sw = new StringWriter();
if (i == 0) {
JsonGenerator gen = new JsonFactory().createGenerator(sw);
root.serialize(gen, null);
gen.close();
} else {
mapper.writeValue(sw, root);
}
verifyFromArray(sw.toString());
}
// And then convenient but less efficient alternative:
verifyFromArray(root.toString());
}
@Test
public void testRoundTrip() throws Exception {
DataSet dataSet = from(DataSetJSONTest.class.getResourceAsStream("test3.json"));
final DataSetMetadata metadata = dataSet.getMetadata();
metadata.getContent().addParameter(CSVFormatGuess.SEPARATOR_PARAMETER, ",");
metadata.getContent().setFormatGuessId(new CSVFormatGuess().getBeanId());
assertNotNull(metadata);
StringWriter writer = new StringWriter();
to(dataSet, writer);
assertThat(
writer.toString(), sameJSONAsFile(DataSetJSONTest.class.getResourceAsStream("test3.json")));
}
public void testBinary() throws Exception {
ObjectMapper mapper = new ObjectMapper();
final int LENGTH = 13045;
byte[] data = new byte[LENGTH];
for (int i = 0; i < LENGTH; ++i) {
data[i] = (byte) i;
}
StringWriter sw = new StringWriter();
mapper.writeValue(sw, BinaryNode.valueOf(data));
JsonParser p = new JsonFactory().createParser(sw.toString());
// note: can't determine it's binary from json alone:
assertToken(JsonToken.VALUE_STRING, p.nextToken());
assertArrayEquals(data, p.getBinaryValue());
p.close();
}
@Test
public void testWrite1() throws Exception {
final ColumnMetadata.Builder columnBuilder =
ColumnMetadata.Builder //
.column() //
.id(5) //
.name("column1") //
.type(Type.STRING) //
.empty(0) //
.invalid(10) //
.valid(50);
DataSetMetadata metadata =
metadataBuilder
.metadata()
.id("1234")
.name("name")
.author("author")
.created(0)
.row(columnBuilder)
.build();
final DataSetContent content = metadata.getContent();
content.addParameter(CSVFormatGuess.SEPARATOR_PARAMETER, ",");
content.setFormatGuessId(new CSVFormatGuess().getBeanId());
content.setMediaType("text/csv");
metadata.getLifecycle().qualityAnalyzed(true);
metadata.getLifecycle().schemaAnalyzed(true);
HttpLocation location = new HttpLocation();
location.setUrl("http://estcequecestbientotleweekend.fr");
metadata.setLocation(location);
StringWriter writer = new StringWriter();
DataSet dataSet = new DataSet();
dataSet.setMetadata(metadata);
to(dataSet, writer);
assertThat(
writer.toString(), sameJSONAsFile(DataSetJSONTest.class.getResourceAsStream("test2.json")));
}