SearchGalleryRequest() private method

/// Thrown when a null reference is passed to a method that does not accept it as a /// valid argument. ///
private SearchGalleryRequest ( string url, string query ) : string
url string
query string
return string
        public void SearchGalleryRequest_WithUrlNull_ThrowsArgumentNullException()
        {
            var requestBuilder = new GalleryRequestBuilder();

            var exception = Record.Exception(() => requestBuilder.SearchGalleryRequest(null, "dfdfd"));
            Assert.NotNull(exception);
            Assert.IsType<ArgumentNullException>(exception);

            var argNullException = (ArgumentNullException) exception;
            Assert.Equal(argNullException.ParamName, "url");
        }
        public void SearchGalleryRequest_Equal()
        {
            var client = new ImgurClient("123", "1234");
            var requestBuilder = new GalleryRequestBuilder();

            var mockUrl = $"{client.EndpointUrl}gallery/search";
            var actual = requestBuilder.SearchGalleryRequest(mockUrl, "star wars");

            var expected = "https://api.imgur.com/3/gallery/search?q=star+wars";

            Assert.Equal(expected, actual);
        }