public void ResourceWithMimeTypeIsValid()
 {
     var resource = new Resource();
     resource.MimeType = "image/jpeg";
     var mimeTypeValidator = new MimeTypeRequiredValidator(resource);
     Assert.True(mimeTypeValidator.IsValid);
 }
 public void ResourceWithEmptyMimeTypeIsInvalid()
 {
     var resource = new Resource();
     resource.MimeType = "";
     var mimeTypeValidator = new MimeTypeRequiredValidator(resource);
     Assert.False(mimeTypeValidator.IsValid);
     Assert.Equal(1, mimeTypeValidator.Errors.Count());
 }