/*
* 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.jupyter.KernelManager;
import com.twosigma.beaker.table.format.TimeStringFormat;
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;
import java.util.concurrent.TimeUnit;
public class TimeStringFormatSerializerTest {
private JsonGenerator jgen;
private StringWriter sw;
private static ObjectMapper mapper;
private static TimeStringFormatSerializer serializer;
@BeforeClass
public static void setUpClass() {
mapper = new ObjectMapper();
serializer = new TimeStringFormatSerializer();
}
@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 serializeTimeStringFormat_resultJsonHasType() throws IOException {
//given
TimeStringFormat timeStringFormat = new TimeStringFormat();
//when
JsonNode actualObj = serializeTimeStringFormat(timeStringFormat);
//then
Assertions.assertThat(actualObj.has("type")).isTrue();
Assertions.assertThat(actualObj.get("type").asText()).isEqualTo("time");
}
@Test
public void serializeTimeUnit_resultJsonHasTimeUnit() throws IOException {
//given
TimeStringFormat timeStringFormat = new TimeStringFormat(TimeUnit.HOURS);
//when
JsonNode actualObj = serializeTimeStringFormat(timeStringFormat);
//then
Assertions.assertThat(actualObj.has("unit")).isTrue();
Assertions.assertThat(actualObj.get("unit").asText()).isEqualTo("HOURS");
}
@Test
public void serializeHumanFriendlyFlag_resultJsonHasHumanFriendlyFlag() throws IOException {
//given
TimeStringFormat timeStringFormat = new TimeStringFormat(true);
//when
JsonNode actualObj = serializeTimeStringFormat(timeStringFormat);
//then
Assertions.assertThat(actualObj.has("humanFriendly")).isTrue();
Assertions.assertThat(actualObj.get("humanFriendly").asBoolean()).isTrue();
}
private JsonNode serializeTimeStringFormat(TimeStringFormat timeStringFormat) throws IOException {
serializer.serialize(timeStringFormat, jgen, new DefaultSerializerProvider.Impl());
jgen.flush();
return mapper.readTree(sw.toString());
}
}