/*
* Copyright 2017 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.table.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.KernelTest;
import com.twosigma.beaker.chart.Color;
import com.twosigma.beaker.jupyter.KernelManager;
import com.twosigma.beaker.table.highlight.HighlightStyle;
import com.twosigma.beaker.table.highlight.ThreeColorHeatmapHighlighter;
import org.assertj.core.api.Assertions;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
import java.io.StringWriter;
public class ThreeColorHeatmapHighlighterSerializerTest {
private JsonGenerator jgen;
private StringWriter sw;
private static ObjectMapper mapper;
private static ThreeColorHeatmapHighlighterSerializer serializer;
@BeforeClass
public static void setUpClass() {
mapper = new ObjectMapper();
serializer = new ThreeColorHeatmapHighlighterSerializer();
}
@Before
public void setUp() throws Exception {
KernelManager.register(new KernelTest());
sw = new StringWriter();
jgen = mapper.getFactory().createGenerator(sw);
}
@After
public void tearDown() throws Exception {
KernelManager.register(null);
}
@Test
public void serializeThreeColorHeatmapHighlighter_resultJsonHasType() throws IOException {
//given
ThreeColorHeatmapHighlighter heatmapHighlighter =
new ThreeColorHeatmapHighlighter("a", HighlightStyle.FULL_ROW);
//when
JsonNode actualObj = serializeHighlighter(heatmapHighlighter);
//then
Assertions.assertThat(actualObj.has("type")).isTrue();
Assertions.assertThat(actualObj.get("type").asText()).isEqualTo("ThreeColorHeatmapHighlighter");
}
@Test
public void serializeMidValue_resultJsonHasMidValue() throws IOException {
//given
ThreeColorHeatmapHighlighter heatmapHighlighter =
new ThreeColorHeatmapHighlighter("a", HighlightStyle.FULL_ROW, 1, 5, 10);
//when
JsonNode actualObj = serializeHighlighter(heatmapHighlighter);
//then
Assertions.assertThat(actualObj.has("midVal")).isTrue();
Assertions.assertThat(actualObj.get("midVal").asInt()).isEqualTo(5);
}
@Test
public void serializeMidColor_resultJsonHasMidColor() throws IOException {
//given
ThreeColorHeatmapHighlighter heatmapHighlighter = new ThreeColorHeatmapHighlighter(
"a", HighlightStyle.FULL_ROW, 1, 5, 10, Color.BLACK, Color.GREEN, Color.BLUE);
//when
JsonNode actualObj = serializeHighlighter(heatmapHighlighter);
//then
Assertions.assertThat(actualObj.has("midColor")).isTrue();
Assertions.assertThat(actualObj.get("midColor").get("rgb").asInt()).isEqualTo(Color.GREEN.getRGB());
}
private JsonNode serializeHighlighter(ThreeColorHeatmapHighlighter heatmapHighlighter) throws IOException {
serializer.serialize(heatmapHighlighter, jgen, new DefaultSerializerProvider.Impl());
jgen.flush();
return mapper.readTree(sw.toString());
}
}