TextSerializerTest.java

/*
 *  Copyright 2014 TWO SIGMA OPEN SOURCE, LLC
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.twosigma.beaker.chart.serializer;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ser.DefaultSerializerProvider;
import com.twosigma.beaker.chart.Color;
import com.twosigma.beaker.chart.xychart.NanoPlot;
import com.twosigma.beaker.chart.xychart.plotitem.Text;
import org.assertj.core.api.Assertions;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import java.io.IOException;
import java.io.StringWriter;
import java.math.BigInteger;

public class TextSerializerTest {

  static ObjectMapper mapper;
  static TextSerializer textSerializer;
  JsonGenerator jgen;
  StringWriter sw;
  Text text;

  @BeforeClass
  public static void initClassStubData() {
    mapper = new ObjectMapper();
    textSerializer = new TextSerializer();
  }

  @Before
  public void initTestStubData() throws IOException {
    sw = new StringWriter();
    jgen = mapper.getJsonFactory().createJsonGenerator(sw);
    text = new Text();
  }

  @Test
  public void serializeText_resultJsonHasType() throws IOException {
    //when
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("type")).isTrue();
    Assertions.assertThat(actualObj.get("type").asText()).isEqualTo("Text");
  }

  @Test
  public void serializeXText_resultJsonHasX() throws IOException {
    //when
    text.setX(new Integer(11));
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("x")).isTrue();
    Assertions.assertThat(actualObj.get("x").asInt()).isEqualTo(11);
  }

  @Test
  public void serializeBigIntXWithNanoPlotType_resultJsonHasStringX() throws IOException {
    //when
    text.setX(new BigInteger("12345678901234567891000"));
    text.setPlotType(NanoPlot.class);
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("x")).isTrue();
    Assertions.assertThat(actualObj.get("x").isTextual()).isTrue();
  }

  @Test
  public void serializeYText_resultJsonHasY() throws IOException {
    //when
    text.setY(new Integer(22));
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("y")).isTrue();
    Assertions.assertThat(actualObj.get("y").asInt()).isEqualTo(22);
  }

  @Test
  public void serializeShowPointerText_resultJsonHasShowPointer() throws IOException {
    //when
    text.setShowPointer(true);
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("show_pointer")).isTrue();
    Assertions.assertThat(actualObj.get("show_pointer").asBoolean()).isTrue();
  }

  @Test
  public void serializeTextOfText_resultJsonHasText() throws IOException {
    //when
    text.setText("some text");
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("text")).isTrue();
    Assertions.assertThat(actualObj.get("text").asText()).isEqualTo("some text");
  }

  @Test
  public void serializePointerAngleOfText_resultJsonHasPointerAngle() throws IOException {
    //when
    text.setPointerAngle(0.5);
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("pointer_angle")).isTrue();
    Assertions.assertThat(actualObj.get("pointer_angle").asDouble()).isEqualTo(0.5);
  }

  @Test
  public void serializeColorOfText_resultJsonHasColor() throws IOException {
    //when
    text.setColor(Color.GREEN);
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("color")).isTrue();
    Assertions.assertThat(actualObj.get("color").get("rgb").asInt())
        .isEqualTo(Color.GREEN.getRGB());
  }

  @Test
  public void serializeSizeOfText_resultJsonHasSize() throws IOException {
    //when
    text.setSize(11);
    textSerializer.serialize(text, jgen, new DefaultSerializerProvider.Impl());
    jgen.flush();
    //then
    JsonNode actualObj = mapper.readTree(sw.toString());
    Assertions.assertThat(actualObj.has("size")).isTrue();
    Assertions.assertThat(actualObj.get("size").asInt()).isEqualTo(11);
  }
}