public async Task MapsFilterLogToSearchDocument()
        {
            var index = new Index(); //for proper use, this index should have been prepopulated
            var mockSearchIndexClient = new SearchIndexClientMock <SearchDocument>();

            var indexer = new AzureFilterLogIndexer <SearchDocument>(
                mockSearchIndexClient.SearchIndexClient, (tfr) => new SearchDocument(tfr.TransactionHash, tfr.LogIndex));

            var log = TestData.Contracts.StandardContract.SampleTransferLog();

            await indexer.IndexAsync(log);

            Assert.Single(mockSearchIndexClient.IndexedBatches);
            var firstIndexAction = mockSearchIndexClient.IndexedBatches[0].Actions.First();

            Assert.Equal(log.TransactionHash, firstIndexAction.Document.TransactionHash);
            Assert.Equal(log.LogIndex.Value.ToString(), firstIndexAction.Document.LogIndex);
        }
        public async Task MapsFilterLogToGenericSearchDocument()
        {
            var searchIndexClientMock = new SearchIndexClientMock <GenericSearchDocument>();

            var index = FilterLogIndexUtil.Create("my-logs");

            var indexer = new AzureFilterLogIndexer(searchIndexClientMock.SearchIndexClient);

            var filterLog = new FilterLog {
                BlockNumber     = new Hex.HexTypes.HexBigInteger(4309),
                TransactionHash = "0x3C81039C578811A85742F2476DA90E363A88CA93763DB4A194E35367D9A72FD8",
                LogIndex        = new Hex.HexTypes.HexBigInteger(9)
            };

            await indexer.IndexAsync(filterLog);

            var indexedBatch = searchIndexClientMock.IndexedBatches.FirstOrDefault();

            Assert.Single(indexedBatch.Actions);
            var action = indexedBatch.Actions.First();

            Assert.Equal(IndexActionType.MergeOrUpload, action.ActionType);
            Assert.Equal(filterLog.Key(), action.Document[PresetSearchFieldName.log_key.ToString()]);
        }