public int CalculatePrice(string message)
{
var msg = new MessageForProcessing()
{
Text = message,
CurrentPrice = 0,
Weight = CalculateWeight(message)
};
// Base Price
foreach (var costRule in _basePriceRules)
{
if (costRule.AppliesTo(msg))
{
_logger.Debug($"Applying Base Price Rule: {costRule.RuleName}");
msg.CurrentPrice = costRule.Apply(msg);
}
}
// Extended Prices
foreach (var ExtRule in _extendedPriceRules)
{
if (ExtRule.AppliesTo(msg))
{
_logger.Debug($"Applying Extended Rule: {ExtRule.RuleName}");
msg.CurrentPrice = ExtRule.Apply(msg);
}
}
return(msg.CurrentPrice);
}
public void _should_apply_base_price_of_4()
{
var msg = new MessageForProcessing()
{
Text = "123", CurrentPrice = 0, Weight = 0
};
Assert.AreEqual <int>(4, _rule.Apply(msg));
}
public void _should_not_accept_when_weight_greater_than_5()
{
var msg = new MessageForProcessing()
{
Text = "123", CurrentPrice = 0, Weight = 6
};
Assert.IsFalse(_rule.AppliesTo(msg));
}
public void _should_accept_when_weight_less_than_5()
{
var msg = new MessageForProcessing()
{
Text = "123", CurrentPrice = 0, Weight = 4
};
Assert.IsTrue(_rule.AppliesTo(msg));
}
public void Should_not_apply_when_doesnt_apply()
{
var invalidMsg = new MessageForProcessing()
{
CurrentPrice = 20, Text = "This is a message", Weight = 30
};
Assert.IsFalse(rule.AppliesTo(invalidMsg));
}
public void Should_Set_as_free_when_applies()
{
var validMsg = new MessageForProcessing()
{
CurrentPrice = 10, Text = "GodSaveTheQueen", Weight = 10
};
Assert.IsTrue(rule.AppliesTo(validMsg));
Assert.IsTrue(0 == rule.Apply(validMsg));
}
public void SetUp()
{
basePriceRules = new List <IBasePriceRule>();
extPriceRules = new List <IExtendedPriceRule>();
_logger = new Mock <IAppLogger>().Object;
message = new MessageForProcessing()
{
CurrentPrice = 0, Text = "Hello World", Weight = 0
};
}
public int Apply(MessageForProcessing Message)
{
return(4);
}
public bool AppliesTo(MessageForProcessing Message)
{
return(Message.Weight < 5);
}
public int Apply(MessageForProcessing Message)
{
return(Message.CurrentPrice * 3);
}
public bool AppliesTo(MessageForProcessing Message)
{
return(Message.Text.Contains("!!!"));
}
public bool AppliesTo(MessageForProcessing Message)
{
return(Message.Text.Contains("GodSaveTheQueen"));
}
