libphonenumber/test/com/google/i18n/phonenumbers/metadata/source/MapBackedMetadataContainerTest.java


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/*
 * Copyright (C) 2022 The Libphonenumber Authors
 *
 * 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.google.i18n.phonenumbers.metadata.source;

import com.google.i18n.phonenumbers.Phonemetadata.PhoneMetadata;
import junit.framework.TestCase;

public class MapBackedMetadataContainerTest extends TestCase {

  private static final String REGION_CODE = "US";
  private static final Integer COUNTRY_CODE = 41;
  private static final PhoneMetadata PHONE_METADATA =
      PhoneMetadata.newBuilder().setId(REGION_CODE).setCountryCode(COUNTRY_CODE);

  public void test_getMetadataBy_shouldReturnNullForNullRegionCode() {
    assertNull(MapBackedMetadataContainer.byRegionCode().getMetadataBy(null));
  }

  public void test_getMetadataBy_shouldReturnNullForNonExistingRegionCode() {
    assertNull(MapBackedMetadataContainer.byRegionCode().getMetadataBy(REGION_CODE));
  }

  public void test_getMetadataBy_shouldReturnMetadataForExistingRegionCode() {
    MapBackedMetadataContainer<String> metadataContainer =
        MapBackedMetadataContainer.byRegionCode();

    metadataContainer.accept(PHONE_METADATA);

    assertSame(PHONE_METADATA, metadataContainer.getMetadataBy(REGION_CODE));
  }

  public void test_getMetadataBy_shouldReturnNullForNullCountryCode() {
    assertNull(MapBackedMetadataContainer.byCountryCallingCode().getMetadataBy(null));
  }

  public void test_getMetadataBy_shouldReturnNullForNonExistingCountryCode() {
    assertNull(MapBackedMetadataContainer.byCountryCallingCode().getMetadataBy(COUNTRY_CODE));
  }

  public void test_getMetadataBy_shouldReturnMetadataForExistingCountryCode() {
    MapBackedMetadataContainer<Integer> metadataContainer =
        MapBackedMetadataContainer.byCountryCallingCode();

    metadataContainer.accept(PHONE_METADATA);

    assertSame(PHONE_METADATA, metadataContainer.getMetadataBy(COUNTRY_CODE));
  }
}