public void TestRetreiveAllSalesTax()
{
// arrange
ISalesTaxManager salesTaxManager = new SalesTaxManager(_fakeSalesTaxAccessor);
var list = new List <SalesTax>();
int expected = 2;
// act
list = salesTaxManager.RetrieveAllSalesTax();
int actual = list.Count;
// assert
Assert.AreEqual(expected, actual);
}
public void TestSales()
{
var cat1=new GoodCategory("cat1");
var cat2=new GoodCategory("cat2");
var cat3=new GoodCategory("cat3");
var cat4=new GoodCategory("cat4");
var listcat1=new List<GoodCategory>() {
new GoodCategory("cat2")
};
var listcat12=new List<GoodCategory>() {
new GoodCategory("cat1"),
new GoodCategory("cat2")
};
taxes= new System.Collections.Generic.List<SalesTax>( ) {
new SalesTax( "tax5",5,listcat1),
new SalesTax( "tax10",10,listcat12)
};
Good good = new Good("good1", 10M, cat1);
Good good2 = new Good("good2", 13.11M, cat1);
Good good3 = new Good("good3", 17.01M, cat2);
SalesTaxManager salestaxmgr = new SalesTaxManager(taxes);
/***
* total= 10 + rounttoupper0.05(10 * 10 /100) = 10 + rounttoupper0.5(1) =10 +1 =11
* */
Assert.AreEqual(1M, salestaxmgr.computeTax(good));
Assert.AreEqual( 11M, salestaxmgr.computeTotal(good));
/***
* total= 13.11 + rounttoupper0.05(13.11 * 10 /100)
* = 13.11 + rounttoupper0.05(1.311)
* = 13.11 + 1.35 = 14.46
* */
Assert.AreEqual(1.35M, salestaxmgr.computeTax(good2));
Assert.AreEqual(14.46M ,salestaxmgr.computeTotal(good2) );
/***
* total= 17.01 + rounttoupper0.05(17.01 * 10 /100) +rounttoupper0.05(17.01 * 5 /100)
* = 17.01 + rounttoupper0.05(1.701) + rounttoupper0.05(0.08505)
* = 17.01 + 1.75 + 0.9 =
* = 17.01 + 2.65 = 19.66
* */
Assert.AreEqual(2.65M, salestaxmgr.computeTax(good3));
Assert.AreEqual( 19.66M ,salestaxmgr.computeTotal(good3));
}
public void Initialize() => SalesManager = new SalesTaxManager();
