/*
 * Copyright 2010 Google Inc.
 *
 * 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.gwt.resources.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.junit.client.GWTTestCase;

/**
 * Tests for {@link DataResource.MimeType @MimeType} resource annotations.
 */
public class DataResourceMimeTypeTest extends GWTTestCase {

  interface Resources extends ClientBundle {

    /**
     * This is a binary file containing four 0x00 bytes, which is small enough
     * to be embeddable, and contains insufficient information for a
     * determination of a recognizable MIME Type.
     */
    String FOUR_ZEROS_SOURCE = "fourZeros.dat";

    /**
     * A simple MIME Type as per RFC 1521.
     */
    String MIME_TYPE_AUDIO_OGG = "audio/ogg";

    /**
     * MIME Type with a single codecs specification as per RFC 4281.
     */
    String MIME_TYPE_WITH_CODECS = "audio/3gpp; codecs=samr";

    /**
     * MIME Type with a multiple codecs specification as per RFC 4281.
     */
    String MIME_TYPE_WITH_QUOTED_CODECS_LIST =
        "video/3gpp; codecs=\"s263, samr\"";

    // Purposely missing a @MimeType annotation
    @Source(FOUR_ZEROS_SOURCE)
    DataResource resourceMimeTypeNoAnnotation();

    @DataResource.MimeType(MIME_TYPE_AUDIO_OGG)
    @Source(FOUR_ZEROS_SOURCE)
    DataResource resourceMimeTypeAnnotationAudioOgg();

    @DataResource.MimeType(MIME_TYPE_WITH_CODECS)
    @Source(FOUR_ZEROS_SOURCE)
    DataResource resourceMimeTypeAnnotationWithCodecs();

    @DataResource.MimeType(MIME_TYPE_WITH_QUOTED_CODECS_LIST)
    @Source(FOUR_ZEROS_SOURCE)
    DataResource resourceMimeTypeAnnotationWithQuotedCodecsList();
  }

  @Override
  public String getModuleName() {
    return "com.google.gwt.resources.ResourcesTest";
  }

  public void testMimeTypeAnnotationMissingDefaultsToContentUnknown() {
    Resources r = GWT.create(Resources.class);
    String url = r.resourceMimeTypeNoAnnotation().getUrl();
    if (url.startsWith("http")) {
      // Skip test, MIME Type will be provided by the HTTP server
      return;
    }
    assertEquals("data:content/unknown;base64,AAAAAA==", url);
  }

  public void testMimeTypeAnnotationOverridesDefaultMimeType() {
    Resources r = GWT.create(Resources.class);
    String url = r.resourceMimeTypeAnnotationAudioOgg().getUrl();
    if (url.startsWith("http")) {
      // Skip test, MIME Type will be provided by the HTTP server
      return;
    }
    assertEquals("data:audio/ogg;base64,AAAAAA==", url);
  }

  public void testMimeTypeAnnotationWithCodecs() {
    Resources r = GWT.create(Resources.class);
    String url = r.resourceMimeTypeAnnotationWithCodecs().getUrl();
    if (url.startsWith("http")) {
      // Skip test, MIME Type will be provided by the HTTP server
      return;
    }
    assertEquals("data:audio/3gpp; codecs=samr;base64,AAAAAA==", url);
  }

  public void testMimeTypeAnnotationWithQuotedCodecsList() {
    Resources r = GWT.create(Resources.class);
    String url = r.resourceMimeTypeAnnotationWithQuotedCodecsList().getUrl();
    if (url.startsWith("http")) {
      // Skip test, MIME Type will be provided by the HTTP server
      return;
    }
    assertEquals("data:video/3gpp; codecs=\"s263, samr\";base64,AAAAAA==", url);
  }
}