/**
    * 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.commons.rdf.api;
  
  import static org.junit.Assert.*;
  
  import java.util.Optional;
  
  import org.junit.Test;
  
  public class RDFSyntaxTest {
  
      @Test
      public void byFileExtension() throws Exception {
          assertEquals(RDFSyntax.JSONLD, RDFSyntax.byFileExtension(".jsonld").get());
          assertEquals(RDFSyntax.NQUADS, RDFSyntax.byFileExtension(".nq").get());
          assertEquals(RDFSyntax.NTRIPLES, RDFSyntax.byFileExtension(".nt").get());
          assertEquals(RDFSyntax.RDFA_HTML, RDFSyntax.byFileExtension(".html").get());
          assertEquals(RDFSyntax.RDFA_XHTML, RDFSyntax.byFileExtension(".xhtml").get());
          assertEquals(RDFSyntax.RDFXML, RDFSyntax.byFileExtension(".rdf").get());
          assertEquals(RDFSyntax.TRIG, RDFSyntax.byFileExtension(".trig").get());
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byFileExtension(".ttl").get());
      }
  
      @Test
      public void byFileExtensionFailsWithoutDot() throws Exception {
          assertEquals(Optional.empty(), RDFSyntax.byFileExtension("rdf"));
      }
  
      @Test
      public void byFileExtensionLowerCase() throws Exception {
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byFileExtension(".TtL").get());
      }
  
      @Test
      public void byFileExtensionUnknown() throws Exception {
          assertEquals(Optional.empty(), RDFSyntax.byFileExtension(".tar"));
      }
  
      @Test
      public void byMediaType() throws Exception {
          assertEquals(RDFSyntax.JSONLD, RDFSyntax.byMediaType("application/ld+json").get());
          assertEquals(RDFSyntax.NQUADS, RDFSyntax.byMediaType("application/n-quads").get());
          assertEquals(RDFSyntax.NTRIPLES, RDFSyntax.byMediaType("application/n-triples").get());
          assertEquals(RDFSyntax.RDFA_HTML, RDFSyntax.byMediaType("text/html").get());
          assertEquals(RDFSyntax.RDFA_XHTML, RDFSyntax.byMediaType("application/xhtml+xml").get());
          assertEquals(RDFSyntax.RDFXML, RDFSyntax.byMediaType("application/rdf+xml").get());
          assertEquals(RDFSyntax.TRIG, RDFSyntax.byMediaType("application/trig").get());
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byMediaType("text/turtle").get());
      }
  
      @Test
      public void byMediaTypeContentType() throws Exception {
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byMediaType("text/turtle; charset=\"UTF-8\"").get());
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byMediaType("text/turtle ; charset=\"UTF-8\"").get());
          assertEquals(RDFSyntax.TURTLE, RDFSyntax.byMediaType("text/turtle, text/plain").get());
          assertEquals(Optional.empty(), RDFSyntax.byMediaType(" text/turtle"));
      }
  
      @Test
      public void byMediaTypeLowerCase() throws Exception {
          assertEquals(RDFSyntax.JSONLD, RDFSyntax.byMediaType("APPLICATION/ld+JSON").get());
      }
  
      @Test
      public void byMediaTypeUnknown() throws Exception {
          assertEquals(Optional.empty(), RDFSyntax.byMediaType("application/octet-stream"));
      }
  
      @Test
      public void fileExtension() throws Exception {
          assertEquals(".jsonld", RDFSyntax.JSONLD.fileExtension);
          assertEquals(".nq", RDFSyntax.NQUADS.fileExtension);
          assertEquals(".nt", RDFSyntax.NTRIPLES.fileExtension);
          assertEquals(".html", RDFSyntax.RDFA_HTML.fileExtension);
          assertEquals(".xhtml", RDFSyntax.RDFA_XHTML.fileExtension);
          assertEquals(".rdf", RDFSyntax.RDFXML.fileExtension);
          assertEquals(".trig", RDFSyntax.TRIG.fileExtension);
          assertEquals(".ttl", RDFSyntax.TURTLE.fileExtension);
      }
  
      @Test
      public void mediaType() throws Exception {
          assertEquals("application/ld+json", RDFSyntax.JSONLD.mediaType);
         assertEquals("application/n-quads", RDFSyntax.NQUADS.mediaType);
         assertEquals("application/n-triples", RDFSyntax.NTRIPLES.mediaType);
         assertEquals("text/html", RDFSyntax.RDFA_HTML.mediaType);
         assertEquals("application/xhtml+xml", RDFSyntax.RDFA_XHTML.mediaType);
         assertEquals("application/rdf+xml", RDFSyntax.RDFXML.mediaType);
         assertEquals("application/trig", RDFSyntax.TRIG.mediaType);
         assertEquals("text/turtle", RDFSyntax.TURTLE.mediaType);
     }
 
     @Test
     public void name() throws Exception {
         assertEquals("JSON-LD 1.0", RDFSyntax.JSONLD.toString());
         assertEquals("RDF 1.1 Turtle", RDFSyntax.TURTLE.toString());
     }
 
     @Test
     public void valueOf() throws Exception {
         assertEquals(RDFSyntax.TURTLE, RDFSyntax.valueOf("TURTLE"));
         // No need to test all of them, we'll trust Enum
     }
     
 }