/*
    * 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
    *
    *      https://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.commons.text.lookup;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.net.URI;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link UrlStringLookup}.
   */
  class UrlStringLookupTest {
  
      @Test
      void testBadCharsetName() {
          assertThrows(IllegalArgumentException.class, () -> UrlStringLookup.INSTANCE.apply("BAD_CHARSET_NAME:BAD_URL"));
      }
  
      @Test
      void testBadEncoding() {
          assertThrows(IllegalArgumentException.class, () -> UrlStringLookup.INSTANCE.apply("FOO:https://www.google.com"));
      }
  
      @Test
      void testBadUrl() {
          assertThrows(IllegalArgumentException.class, () -> UrlStringLookup.INSTANCE.apply("UTF-8:BAD_URL"));
      }
  
      @Test
      void testFileScheme() throws Exception {
          final Path path = Paths.get("src/test/resources/org/apache/commons/text/document.properties");
          final URI uri = path.toUri();
          // System.out.println(uri);
          final byte[] expectedBytes = Files.readAllBytes(path);
          final String expectedString = new String(expectedBytes, StandardCharsets.UTF_8);
          assertEquals(expectedString, UrlStringLookup.INSTANCE.apply("UTF-8:" + uri.toString()));
      }
  
      @Test
      void testHttpScheme() {
          assertNotNull(UrlStringLookup.INSTANCE.apply("UTF-8:https://www.apache.org"));
          assertNotNull(UrlStringLookup.INSTANCE.apply("UTF-8:https://www.google.com"));
      }
  
      @Test
      void testMissingUrl() {
          assertThrows(IllegalArgumentException.class, () -> UrlStringLookup.INSTANCE.apply("UTF-8"));
      }
  
      @Test
      void testNull() {
          assertNull(UrlStringLookup.INSTANCE.apply(null));
      }
  
      @Test
      void testToString() {
          // does not blow up and gives some kind of string.
          assertFalse(UrlStringLookup.INSTANCE.toString().isEmpty());
      }
  
  }