public void Should_ThrowException_When_InputIsNullOrEmpty(string input)
{
// Arrange
var productParser = new ProductParser();
// Act & Assert
Assert.Throws <ArgumentException>(() => productParser.TryParse(input, out Product _));
}
public void ShouldNot_ParseProduct_When_BadProductInput(string input)
{
// Arrange
var productParser = new ProductParser();
// Act
var result = productParser.TryParse(input, out Product product);
// Assert
Assert.False(result);
Assert.Null(product);
}
public void Should_CalculateTaxCorrectly(string input, decimal expectedTax)
{
using (new CultureOverride(CultureInfo.InvariantCulture))
{
// Arrange
var taxManager = TaxManager.Instance;
var productParser = new ProductParser();
productParser.TryParse(input, out Product product);
// Act
var tax = taxManager.CalculateTax(product);
// Assert
Assert.Equal(expectedTax, tax);
}
}
public void Should_ParseProductCorrectly(string input, ProductOrigin expectedOrigin, string expectedDescription, decimal expectedPrice, int expectedQuantity)
{
using (new CultureOverride(CultureInfo.InvariantCulture))
{
// Arrange
var productParser = new ProductParser();
// Act
var result = productParser.TryParse(input, out Product product);
// Assert
Assert.True(result);
Assert.Equal(expectedOrigin, product.Origin);
Assert.Equal(expectedDescription, product.Description);
Assert.Equal(expectedQuantity, product.Quantity);
Assert.Equal(expectedPrice, product.Price);
Assert.Equal(expectedPrice * expectedQuantity, product.Amount);
}
}