public ReceiptFormat ParseReceiptFormat(ReceiptDataIn receipt)
{
if (receipt == null)
{
throw new ArgumentNullException("receipt");
}
if (string.IsNullOrWhiteSpace(receipt.RawText))
{
throw new ArgumentException("receipt.RawText is null or white space");
}
var rawText = receipt.RawText;
string[] lines = rawText.Split('\n');
if (lines.Length >= 3)
{
if (lines[0].StartsWith("ABC") &&
lines[2].StartsWith("KORTTIAUTOMAATTI"))
{
return(ReceiptFormat.Fuel_Abc);
}
}
return(ReceiptFormat.Unknown);
}
public void UnknownReceiptTwo_ShouldParseFormat()
{
var input = new ReceiptDataIn(_testCtx.Unknown_Smarket_Kaukajarvi_2016_10_19.Receipt);
var actual = _parser.ParseReceiptFormat(input);
Assert.AreEqual(ReceiptFormat.Unknown, actual);
}
public void UnknownReceipt_ShouldParseFormat()
{
var input = new ReceiptDataIn(_testCtx.Unknown_Prisma_Kaleva_Tampere_2016_10_21.Receipt);
var actual = _parser.ParseReceiptFormat(input);
Assert.AreEqual(ReceiptFormat.Unknown, actual);
}
public void KnownReceipt_ShouldParse_Date()
{
var testData = _testCtx.Fuel_Abc_Prisma_Kaleva_Tampere_2016_10_19;
var input = new ReceiptDataIn(_testCtx.Fuel_Abc_Prisma_Kaleva_Tampere_2016_10_19.Receipt);
var actual = _parser.ParseReceipt(input);
Assert.AreEqual(testData.Date, actual.Date);
}
public void KnownReceipt_ShouldParse_Price()
{
var testData = _testCtx.Fuel_Abc_Prisma_Kaleva_Tampere_2016_10_19;
var input = new ReceiptDataIn(_testCtx.Fuel_Abc_Prisma_Kaleva_Tampere_2016_10_19.Receipt);
var actual = _parser.ParseReceipt(input);
AssertWithEpsilon(testData.Price.Value, actual.Eur.Value, _epsilon);
}
public ParseResult ProcessBytes(byte[] bytes)
{
var pdfAsText = ParseBytesAsPdf(_ctx, bytes);
var receiptInput = new ReceiptDataIn(pdfAsText.RawText);
var format = ParseReceiptFormat(_ctx, receiptInput);
var receiptData = ParseReceipt(_ctx, format, receiptInput);
return(new ParseResult(pdfAsText, receiptData));
}
public FuelReceiptData ParseReceipt(ReceiptDataIn receipt)
{
if (receipt == null)
{
throw new ArgumentNullException("receipt");
}
if (string.IsNullOrWhiteSpace(receipt.RawText))
{
throw new ArgumentException("receipt.RawText is null or white space");
}
var rawTextNormalizedSpaces = _utfNonBreakingSpace.Replace(receipt.RawText, " ");
string[] lines = rawTextNormalizedSpaces.Split('\n');
if (lines.Length < 11)
{
throw new ArgumentException("receipt content incomplete or unrecognized format");
}
FuelReceiptData data = ParseReceiptLines(lines);
return(data);
}
public void EmptyReceipt_ShouldThrow()
{
var emptyReceipt = new ReceiptDataIn("");
Assert.Throws <ArgumentException>(() => _parser.ParseReceiptFormat(emptyReceipt));
}
public void NotSupportedReceipt_CompletelyDifferent_ShouldThrow()
{
var input = new ReceiptDataIn(_testCtx.Unknown_Smarket_Kaukajarvi_2016_10_19.Receipt);
Assert.Throws <ReceiptParseException>(() => _parser.ParseReceipt(input));
}
public void NotSupportedReceipt_Similar_ShouldThrow()
{
var input = new ReceiptDataIn(_testCtx.Unknown_Prisma_Kaleva_Tampere_2016_10_21.Receipt);
Assert.Throws <ReceiptParseException>(() => _parser.ParseReceipt(input));
}
private static FuelReceiptData ParseReceipt(Context ctx, ReceiptFormat format, ReceiptDataIn receiptInput)
{
switch (format)
{
case ReceiptFormat.Fuel_Abc:
return(ctx.FuelReceiptParser.ParseReceipt(receiptInput));
default:
throw new Exception(string.Format(
"Unsupported receipt format. Input:\n{0}", receiptInput.RawText));
}
}
private static ReceiptFormat ParseReceiptFormat(Context ctx, ReceiptDataIn receiptInput)
{
return(ctx.ReceiptFormatParser.ParseReceiptFormat(receiptInput));
}
