Java 类com.bumptech.glide.load.data.FileDescriptorLocalUriFetcher 实例源码

@Test
public void testLoadResource_returnsFileDescriptor() throws Exception {
  Context context = RuntimeEnvironment.application;
  Uri uri = Uri.parse("file://nothing");

  ContentResolver contentResolver = context.getContentResolver();
  ContentResolverShadow shadow = (ContentResolverShadow) Shadow.extract(contentResolver);

  AssetFileDescriptor assetFileDescriptor = mock(AssetFileDescriptor.class);
  ParcelFileDescriptor parcelFileDescriptor = mock(ParcelFileDescriptor.class);
  when(assetFileDescriptor.getParcelFileDescriptor()).thenReturn(parcelFileDescriptor);
  shadow.registerFileDescriptor(uri, assetFileDescriptor);

  FileDescriptorLocalUriFetcher fetcher =
      new FileDescriptorLocalUriFetcher(context.getContentResolver(), uri);
  fetcher.loadData(Priority.NORMAL, callback);
  verify(callback).onDataReady(eq(parcelFileDescriptor));
}

@Test
public void testLoadResource_returnsFileDescriptor() throws Exception {
  Context context = RuntimeEnvironment.application;
  Uri uri = Uri.parse("file://nothing");

  ContentResolver contentResolver = context.getContentResolver();
  ContentResolverShadow shadow = Shadow.extract(contentResolver);

  AssetFileDescriptor assetFileDescriptor = mock(AssetFileDescriptor.class);
  ParcelFileDescriptor parcelFileDescriptor = mock(ParcelFileDescriptor.class);
  when(assetFileDescriptor.getParcelFileDescriptor()).thenReturn(parcelFileDescriptor);
  shadow.registerFileDescriptor(uri, assetFileDescriptor);

  FileDescriptorLocalUriFetcher fetcher =
      new FileDescriptorLocalUriFetcher(context.getContentResolver(), uri);
  fetcher.loadData(Priority.NORMAL, callback);
  verify(callback).onDataReady(eq(parcelFileDescriptor));
}

@Test
public void testLoadResource_withNullFileDescriptor_callsLoadFailed() {
  Context context = RuntimeEnvironment.application;
  Uri uri = Uri.parse("file://nothing");

  ContentResolver contentResolver = context.getContentResolver();
  ContentResolverShadow shadow = Shadow.extract(contentResolver);
  shadow.registerFileDescriptor(uri, null /*fileDescriptor*/);

  FileDescriptorLocalUriFetcher fetcher =
      new FileDescriptorLocalUriFetcher(context.getContentResolver(), uri);
  fetcher.loadData(Priority.NORMAL, callback);
  verify(callback).onLoadFailed(isA(FileNotFoundException.class));
}

@Test
public void testLoadResource_withNullFileDescriptor_callsLoadFailed() {
  Context context = RuntimeEnvironment.application;
  Uri uri = Uri.parse("file://nothing");

  ContentResolver contentResolver = context.getContentResolver();
  ContentResolverShadow shadow = (ContentResolverShadow) Shadow.extract(contentResolver);
  shadow.registerFileDescriptor(uri, null /*fileDescriptor*/);

  FileDescriptorLocalUriFetcher fetcher =
      new FileDescriptorLocalUriFetcher(context.getContentResolver(), uri);
  fetcher.loadData(Priority.NORMAL, callback);
  verify(callback).onLoadFailed(isA(FileNotFoundException.class));
}

@Override
public DataFetcher<ParcelFileDescriptor> build(Uri uri) {
  return new FileDescriptorLocalUriFetcher(contentResolver, uri);
}

@Override
public DataFetcher<ParcelFileDescriptor> build(Uri uri) {
  return new FileDescriptorLocalUriFetcher(contentResolver, uri);
}

@Override
protected DataFetcher<ParcelFileDescriptor> getLocalUriFetcher(Context context, Uri uri) {
    return new FileDescriptorLocalUriFetcher(context, uri);
}

@Override
protected DataFetcher<ParcelFileDescriptor> getLocalUriFetcher(Context context, Uri uri) {
    return new FileDescriptorLocalUriFetcher(context, uri);
}

@Override
protected DataFetcher<ParcelFileDescriptor> getLocalUriFetcher(Context context, Uri uri) {
    return new FileDescriptorLocalUriFetcher(context, uri);
}

@Override
protected DataFetcher<ParcelFileDescriptor> getLocalUriFetcher(Context context, Uri uri) {
    return new FileDescriptorLocalUriFetcher(context, uri);
}