public void Ensure_if_file_path_is_invalid_we_throw_arguement_exception()
{
const string filePath = "badFile";
var fileWrapper = new Mock <IFileWrapper>();
fileWrapper.Setup(f => f.FileExists(filePath)).Returns(false);
var sut = new NatwestCsvBankImporter.NatwestCsvBankImporter(fileWrapper.Object, null);
var result = Should.Throw <ArgumentException>(() => sut.Import(filePath));
result.Message.ShouldContain("file path not found");
}
public void Ensure_if_file_wrapper_throws_error_we_bubble_up_and_do_not_catch_it()
{
const string filePath = "badFile";
var fileWrapper = new Mock <IFileWrapper>();
var exception = new Exception("gag");
fileWrapper.Setup(f => f.FileExists(filePath)).Throws(exception);
var sut = new NatwestCsvBankImporter.NatwestCsvBankImporter(fileWrapper.Object, null);
var result = Should.Throw <Exception>(() => sut.Import(filePath));
result.ShouldBe(exception);
}
public void Ensure_if_file_path_is_valid_but_readfile_returns_null_we_throw_InvalidDataException()
{
const string filePath = "badFile";
var fileWrapper = new Mock <IFileWrapper>();
fileWrapper.Setup(f => f.FileExists(filePath)).Returns(true);
fileWrapper.Setup(f => f.ReadFile(filePath)).Returns((string[])null);
var sut = new NatwestCsvBankImporter.NatwestCsvBankImporter(fileWrapper.Object, null);
var result = Should.Throw <InvalidDataException>(() => sut.Import(filePath));
result.Message.ShouldContain("file found but no data was found");
}
public void Ensure_data_parsed_back_returns_a_correct_model()
{
var details =
$@"Date, Type, Description, Value, Balance, Account Name, Account Number{Environment.NewLine}31/12/2018,D/D,""'RandomShop Payment"",-3.99,43703.30,""'tony M"",""'001631-00541111"",";
const string filePath = "goodFile";
var fileWrapper = new Mock <IFileWrapper>();
var csvSplitter = new Mock <ICsvSplitterAndStripper>();
fileWrapper.Setup(f => f.FileExists(filePath)).Returns(true);
fileWrapper.Setup(f => f.ReadFile(filePath)).Returns(details.Split(Environment.NewLine));
var collection = new[]
{
"31/12/2018",
"D/D",
"'RandomShop Payment",
"-3.99",
"43703.30",
"'tony M",
"'001631-00541111"
};
csvSplitter.Setup(f => f.GetPartsOfLine(@"31/12/2018,D/D,""'RandomShop Payment"",-3.99,43703.30,""'tony M"",""'001631-00541111"","))
.Returns(collection);
var sut = new NatwestCsvBankImporter.NatwestCsvBankImporter(fileWrapper.Object, csvSplitter.Object);
var result = sut.Import(filePath);
csvSplitter.Verify(f => f.GetPartsOfLine(@"31/12/2018,D/D,""'RandomShop Payment"",-3.99,43703.30,""'tony M"",""'001631-00541111"","), Times.Once());
result.Count().ShouldBe(1);
result.FirstOrDefault().Balance.ShouldBe(43703.30m);
result.FirstOrDefault().TransactionAmount.ShouldBe(3.99m);
result.FirstOrDefault().TransactionIsCredit.ShouldBe(false);
result.FirstOrDefault().TransactionDate.ShouldBeEquivalentTo(new DateTime(2018, 12, 31));
result.FirstOrDefault().Description.ShouldBe("RandomShop Payment");
}