public void testCapture() { capture capture = new capture(); capture.litleTxnId = 12345678000; capture.amount = 106; batchRequest.addCapture(capture); Assert.AreEqual(1, batchRequest.getNumCapture()); Assert.AreEqual(capture.amount, batchRequest.getSumOfCapture()); mockLitleFile.Verify(litleFile => litleFile.createRandomFile(It.IsAny<String>(), It.IsAny<String>(), It.IsAny<String>(), mockLitleTime.Object)); mockLitleFile.Verify(litleFile => litleFile.AppendLineToFile(mockFilePath, capture.Serialize())); }