/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.accumulo.core.util.format;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Map;
import java.util.TimeZone;
import java.util.TreeMap;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Value;
import org.junit.Before;
import org.junit.Test;

@SuppressWarnings("deprecation")
public class DateStringFormatterTest {
  DateStringFormatter formatter;

  Map<Key,Value> data;

  @Before
  public void setUp() {
    formatter = new DateStringFormatter();
    data = new TreeMap<>();
    data.put(new Key("", "", "", 0), new Value());
  }

  private void testFormatterIgnoresConfig(FormatterConfig config, DateStringFormatter formatter) {
    // ignores config's DateFormatSupplier and substitutes its own
    formatter.initialize(data.entrySet(), config);

    assertTrue(formatter.hasNext());
    final String next = formatter.next();
    assertTrue(next, next.endsWith("1970/01/01 00:00:00.000"));
  }

  @Test
  public void testTimestamps() {
    final TimeZone utc = TimeZone.getTimeZone("UTC");
    final TimeZone est = TimeZone.getTimeZone("EST");
    final FormatterConfig config = new FormatterConfig().setPrintTimestamps(true);
    DateStringFormatter formatter;

    formatter = new DateStringFormatter(utc);
    testFormatterIgnoresConfig(config, formatter);

    // even though config says to use EST and only print year, the Formatter will override these
    formatter = new DateStringFormatter(utc);
    DateFormatSupplier dfSupplier = DateFormatSupplier.createSimpleFormatSupplier("YYYY", est);
    config.setDateFormatSupplier(dfSupplier);
    testFormatterIgnoresConfig(config, formatter);
  }

  @Test
  public void testNoTimestamps() {
    data.put(new Key("", "", "", 1), new Value());

    assertEquals(2, data.size());

    formatter.initialize(data.entrySet(), new FormatterConfig());

    assertEquals(formatter.next(), formatter.next());
  }

}