TCKZoneRulesProvider.java

/*
 * Copyright (c) 2009-2012, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package javax.time.zone;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertTrue;

import java.time.ZoneOffset;
import java.time.zone.ZoneRules;
import java.time.zone.ZoneRulesException;
import java.time.zone.ZoneRulesProvider;
import java.util.Collections;
import java.util.HashSet;
import java.util.NavigableMap;
import java.util.Set;
import java.util.TreeMap;

import org.testng.annotations.Test;

/**
 * Test ZoneRulesProvider.
 */
@Test
public class TCKZoneRulesProvider {

  // -----------------------------------------------------------------------
  // getAvailableZoneIds()
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_getAvailableGroupIds() {

    Set<String> zoneIds = ZoneRulesProvider.getAvailableZoneIds();
    assertEquals(zoneIds.contains("Europe/London"), true);
    zoneIds.clear();
    assertEquals(zoneIds.size(), 0);
    Set<String> zoneIds2 = ZoneRulesProvider.getAvailableZoneIds();
    assertEquals(zoneIds2.contains("Europe/London"), true);
  }

  // -----------------------------------------------------------------------
  // getRules(String)
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_getRules_String() {

    ZoneRules rules = ZoneRulesProvider.getRules("Europe/London");
    assertNotNull(rules);
    ZoneRules rules2 = ZoneRulesProvider.getRules("Europe/London");
    assertEquals(rules2, rules);
  }

  @Test(groups = { "tck" }, expectedExceptions = ZoneRulesException.class)
  public void test_getRules_String_unknownId() {

    ZoneRulesProvider.getRules("Europe/Lon");
  }

  @Test(groups = { "tck" }, expectedExceptions = NullPointerException.class)
  public void test_getRules_String_null() {

    ZoneRulesProvider.getRules(null);
  }

  // -----------------------------------------------------------------------
  // getVersions(String)
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_getVersions_String() {

    NavigableMap<String, ZoneRules> versions = ZoneRulesProvider.getVersions("Europe/London");
    assertTrue(versions.size() >= 1);
    ZoneRules rules = ZoneRulesProvider.getRules("Europe/London");
    assertEquals(versions.lastEntry().getValue(), rules);

    NavigableMap<String, ZoneRules> copy = new TreeMap<>(versions);
    versions.clear();
    assertEquals(versions.size(), 0);
    NavigableMap<String, ZoneRules> versions2 = ZoneRulesProvider.getVersions("Europe/London");
    assertEquals(versions2, copy);
  }

  @Test(groups = { "tck" }, expectedExceptions = ZoneRulesException.class)
  public void test_getVersions_String_unknownId() {

    ZoneRulesProvider.getVersions("Europe/Lon");
  }

  @Test(groups = { "tck" }, expectedExceptions = NullPointerException.class)
  public void test_getVersions_String_null() {

    ZoneRulesProvider.getVersions(null);
  }

  // -----------------------------------------------------------------------
  // refresh()
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_refresh() {

    assertEquals(ZoneRulesProvider.refresh(), false);
  }

  // -----------------------------------------------------------------------
  // registerProvider()
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" })
  public void test_registerProvider() {

    Set<String> pre = ZoneRulesProvider.getAvailableZoneIds();
    assertEquals(pre.contains("FooLocation"), false);
    ZoneRulesProvider.registerProvider(new MockTempProvider());
    assertEquals(pre.contains("FooLocation"), false);
    Set<String> post = ZoneRulesProvider.getAvailableZoneIds();
    assertEquals(post.contains("FooLocation"), true);

    assertEquals(ZoneRulesProvider.getRules("FooLocation"), ZoneOffset.of("+01:45").getRules());
  }

  static class MockTempProvider extends ZoneRulesProvider {

    final ZoneRules rules = ZoneOffset.of("+01:45").getRules();

    @Override
    public Set<String> provideZoneIds() {

      return new HashSet<String>(Collections.singleton("FooLocation"));
    }

    @Override
    protected ZoneRulesProvider provideBind(String zoneId) {

      return this;
    }

    @Override
    protected NavigableMap<String, ZoneRules> provideVersions(String zoneId) {

      NavigableMap<String, ZoneRules> result = new TreeMap<>();
      result.put("BarVersion", this.rules);
      return result;
    }

    @Override
    protected ZoneRules provideRules(String zoneId) {

      if (zoneId.equals("FooLocation")) {
        return this.rules;
      }
      throw new ZoneRulesException("Invalid");
    }
  }

}