コード例 #1
1
  /** 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();
    }
  }
コード例 #2
0
  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());
  }
コード例 #3
0
  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());
  }
コード例 #4
0
ファイル: DataSetJSONTest.java プロジェクト: visch/data-prep
 @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")));
 }
コード例 #5
0
  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();
  }
コード例 #6
0
ファイル: DataSetJSONTest.java プロジェクト: visch/data-prep
  @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")));
  }