public void TestCalculateChangeList() {
WhereIsMyChangeManager whereIsMyChangeManager = new WhereIsMyChangeManager();
PrivateObject privateObject = new PrivateObject(whereIsMyChangeManager);
object response = privateObject.Invoke("CalculateChangeList", 987654321555666);
List<KeyValuePair<int, long>> calculateChangeList = (List<KeyValuePair<int, long>>)response;
Assert.IsNotNull(calculateChangeList);
}
private void CalculateChange() {
this.UxTxtChangeAmount.Text = string.Empty;
ChangeRequest changeRequest = new ChangeRequest();
long productAmount;
long paidAmount;
ErrorCollection = new List<string>();
if (long.TryParse(this.UxTxtProductAmount.Text, out productAmount) == false) {
this.ErrorCollection.Add("Valor do produto precisa ser inteiro.");
}
if (long.TryParse(this.UxTxtPaidAmount.Text, out paidAmount) == false) {
this.ErrorCollection.Add("Valor pago precisa ser inteiro.");
}
if (paidAmount < productAmount) {
this.ErrorCollection.Add("O valor pago precisa ser igual ou maior do que o valor do produto.");
}
if (this.ErrorCollection.Any()) {
foreach (string error in this.ErrorCollection) {
this.UxTxtChangeAmount.Text += error + Environment.NewLine;
}
return;
}
IWhereIsMyChangeManager whereIsMyChange = new WhereIsMyChangeManager();
changeRequest.PaidAmount = paidAmount;
changeRequest.ProductAmount = productAmount;
ChangeResponse changeResponse = whereIsMyChange.CalculateChange(changeRequest);
if (changeResponse.OperationReportList != null && changeResponse.OperationReportList.Any()) {
foreach (OperationReport operationReport in changeResponse.OperationReportList) {
this.UxTxtChangeAmount.Text += string.Format("{0} - {1}{2}", operationReport.Field, operationReport.Message, Environment.NewLine);
}
} else {
foreach (var item in changeResponse.ChangeList) {
this.UxTxtChangeAmount.Text += string.Format("{0}: {1} {2}", item.Key, item.Value, Environment.NewLine);
}
this.UxTxtChangeAmount.Text += string.Format("Troco: {0}{1}", changeResponse.ChangeAmount, Environment.NewLine);
}
}