public void WhenPriceIsInvalid_ThenItThrowsLineImportException(string line)
{
var act = new TestDelegate(() => ClothsFactory.FromCsvString(line));
var exception = Assert.Throws <LineImportException>(act);
Assert.IsTrue(exception.InnerException.Message.Contains("The import price could not be parsed to a valid decimal"));
}
public async Task <List <Cloth> > ImportFromCsv(Stream csv, bool skipFirstLine = true)
{
var cloths = new List <Cloth>();
using (var sr = new StreamReader(csv))
{
bool endOfFile;
bool firstLine = true;
do
{
var line = await sr.ReadLineAsync();
if (!firstLine || !skipFirstLine)
{
if (!string.IsNullOrWhiteSpace(line))
{
cloths.Add(ClothsFactory.FromCsvString(line));
}
}
endOfFile = string.IsNullOrWhiteSpace(line);
firstLine = false;
} while (!endOfFile);
}
return(cloths);
}
public void WhenProductIdIsInvalid_ThenItThrowsLineImportException(string line)
{
var act = new TestDelegate(() => ClothsFactory.FromCsvString(line));
var exception = Assert.Throws <LineImportException>(act);
Assert.IsTrue(exception.InnerException.Message.Contains("Product ID could not be converted to a long"));
}
public void WhenImportLineContainsUnexpectedFieldCount_ThenItThrowsLineImportException(string line)
{
var act = new TestDelegate(() => ClothsFactory.FromCsvString(line));
var exception = Assert.Throws <LineImportException>(act);
Assert.IsTrue(exception.InnerException.Message.Contains("Failed to import CSV line as Cloth"));
}
public void WhenImportingLineUntrimmed_ThenPropertiesKeepWhitespace(string line, int id, string name, string description, decimal priceInDollars, string category)
{
var cloth = ClothsFactory.FromCsvString(line, false);
Assert.AreEqual(cloth.ProductId, id);
Assert.AreEqual(cloth.Name, name);
Assert.AreEqual(cloth.Description, description);
Assert.AreEqual(cloth.Price.Amount, priceInDollars);
Assert.AreEqual(cloth.Category, category);
}
public void WhenImportLineIsCorrect_ThenItReturnsClothObject(string line, int id, string name, string description, decimal priceInDollars, string category)
{
var cloth = ClothsFactory.FromCsvString(line);
Assert.AreEqual(cloth.ProductId, id);
Assert.AreEqual(cloth.Name, name);
Assert.AreEqual(cloth.Description, description);
Assert.AreEqual(cloth.Price.Amount, priceInDollars);
Assert.AreEqual(cloth.Category, category);
}
public void WhenClothLineIsExported_ThenLineIsFormatted()
{
var decimalSeperator = CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator;
var importCsvString = "1234,name,description,80,pants";
var expectedOutputString = $"1234,name,description,80{decimalSeperator}00,pants";
var cloth = ClothsFactory.FromCsvString(importCsvString);
var actualOutputString = cloth.ToCsvString();
Assert.AreEqual(expectedOutputString, actualOutputString);
}