UnixTimestampDeserializerTest.java

/*-
 * -\-\-
 * docker-client
 * --
 * Copyright (C) 2016 Spotify AB
 * --
 * 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.spotify.docker.client.jackson;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

import com.spotify.docker.client.ObjectMapperProvider;
import java.util.Date;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.junit.Test;

public class UnixTimestampDeserializerTest {

  private final DateTime referenceDateTime = new DateTime(2013, 7, 17, 9, 32, 4, DateTimeZone.UTC);
  private static final ObjectMapper OBJECT_MAPPER =
      new ObjectMapperProvider().getContext(UnixTimestampDeserializerTest.class);

  private static class TestClass {

    @JsonProperty("date")
    @JsonDeserialize(using = UnixTimestampDeserializer.class)
    private Date date;

    private Date getDate() {
      return date;
    }

  }

  private String toJson(String format) {
    return String.format(format, referenceDateTime.getMillis() / 1000);
  }

  @Test
  public void testFromString() throws Exception {
    final String json = toJson("{\"date\": \"%s\"}");

    final TestClass value = OBJECT_MAPPER.readValue(json, TestClass.class);
    assertThat(value.getDate(), equalTo(referenceDateTime.toDate()));
  }

  @Test
  public void testFromNumber() throws Exception {
    final String json = toJson("{\"date\": %s}");

    final TestClass value = OBJECT_MAPPER.readValue(json, TestClass.class);
    assertThat(value.getDate(), equalTo(referenceDateTime.toDate()));
  }

}