public void BusinessRules_MustCascadeAsSpreadsheet_WhenCascadeOnDirtyPropertiesIsTrue()
{
// complex ruleset
// calculate the sum of Aa and Ab to Ac
// copy value of Ac to Ae
// calculate sum of Ad and Ae to Af
// copy value of Af to Ag
var root = new CascadeRoot {
CascadeOnDirtyProperties = true
};
root.CheckRules();
Assert.AreEqual(0, root.ValueAc);
Assert.AreEqual(0, root.ValueAg);
Assert.AreEqual(0, root.ValueAe);
Assert.AreEqual(0, root.ValueAf);
root.ValueAa = 10;
Assert.AreEqual(10, root.ValueAc);
Assert.AreEqual(10, root.ValueAg);
Assert.AreEqual(10, root.ValueAe);
Assert.AreEqual(10, root.ValueAf);
root.ValueAb = 20;
Assert.AreEqual(30, root.ValueAc);
Assert.AreEqual(30, root.ValueAe);
Assert.AreEqual(30, root.ValueAf);
Assert.AreEqual(30, root.ValueAg);
root.ValueAd = 25;
Assert.AreEqual(55, root.ValueAf);
Assert.AreEqual(55, root.ValueAg);
}
public void BusinessRules_MustCheckBothSums_WhenCascadeOnDirtyPropertiesIsTrue()
{
// check that the sum of Ba and Bb is always 100 (and error message on both properties)
var root = new CascadeRoot {
CascadeOnDirtyProperties = true
};
root.CheckRules();
Assert.AreEqual(0, root.ValueBa);
Assert.AreEqual(0, root.ValueBb);
Assert.IsTrue(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBaProperty.Name));
Assert.IsTrue(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBbProperty.Name));
root.ValueBa = 100;
Assert.IsFalse(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBaProperty.Name));
Assert.IsFalse(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBbProperty.Name));
root.ValueBb = 50;
Assert.IsTrue(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBaProperty.Name));
Assert.IsTrue(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBbProperty.Name));
root.ValueBa = 50;
Assert.IsFalse(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBaProperty.Name));
Assert.IsFalse(root.BrokenRulesCollection.Any(p => p.Property == CascadeRoot.ValueBbProperty.Name));
}
public void BusinessRules_MustCascade_WhenCascadeOnDirtyPropertiesIsTrue()
{
var root = new CascadeRoot {
CascadeOnDirtyProperties = true
};
Assert.AreEqual(0, root.Num1);
Assert.AreEqual(0, root.Num2);
Assert.AreEqual(0, root.Num3);
Assert.AreEqual(0, root.Num4);
root.Num1 = 1;
Assert.AreEqual(1, root.Num1); // the value set by test
Assert.AreEqual(2, root.Num2); // Num2 is set from Num1 rules
Assert.AreEqual(3, root.Num3); // Num3 is set from Num2 rules
Assert.AreEqual(4, root.Num4); // Num4 is set from Num3 rules when Cascade propagates down to Num3
}
public void BusinessRules_MustNotCascade_WhenCascadeOnDirtyPropertiesIsFalse()
{
var root = new CascadeRoot {
CascadeOnDirtyProperties = false
};
Assert.AreEqual(0, root.Num1);
Assert.AreEqual(0, root.Num2);
Assert.AreEqual(0, root.Num3);
Assert.AreEqual(0, root.Num4);
root.Num1 = 1;
Assert.AreEqual(1, root.Num1); // the value set by test
Assert.AreEqual(2, root.Num2); // rerun rules for Num2 without cascade
Assert.AreEqual(3, root.Num3); // will set Num3 as output from Num2 but not rerun rules for Num3
Assert.AreEqual(0, root.Num4); // Num4 is unchanged
}
public void BusinessRules_MustNotCascade_WhenCanRunAsAffectedIsFalse()
{
var root = new CascadeRoot {
CascadeOnDirtyProperties = true
};
Assert.AreEqual(0, root.Num1);
Assert.AreEqual(0, root.Num2);
Assert.AreEqual(0, root.Num3);
Assert.AreEqual(0, root.Num4);
Assert.AreEqual(0, root.Num5);
root.Num1 = 1;
Assert.AreEqual(1, root.Num1); // the value set by test
Assert.AreEqual(2, root.Num2); // Num2 is set from Num1 rules
Assert.AreEqual(3, root.Num3); // Num3 is set from Num2 rules
Assert.AreEqual(4, root.Num4); // Num4 is set from Num3 rules when Cascade propagates down to Num3
Assert.AreEqual(0, root.Num5); // Rule on Num4 is not allowed to run as AffectedProperty som Num5 must be unchanged.
}
public void BusinessRules_MustRecalculateSumAfterCaclulateFraction_WhenCascadeOnDirtyPropertiesIsTrue()
{
// calculate sum of Ca, Cb, Cc and Cd to Ce
// calculate fraction of Ce to Cd
// must then recalculate sum again as Cd was changed.
var root = new CascadeRoot {
CascadeOnDirtyProperties = true
};
root.CheckRules();
Assert.AreEqual(0, root.ValueCa);
Assert.AreEqual(0, root.ValueCb);
Assert.AreEqual(0, root.ValueCc);
Assert.AreEqual(0, root.ValueCd);
Assert.AreEqual(0, root.ValueCe);
root.ValueCa = 5;
Assert.AreEqual(5, root.ValueCa);
Assert.AreEqual(0, root.ValueCb);
Assert.AreEqual(0, root.ValueCc);
Assert.AreEqual(1.67m, root.ValueCd);
Assert.AreEqual(6.67m, root.ValueCe);
root.ValueCb = 15;
Assert.AreEqual(5, root.ValueCa);
Assert.AreEqual(15, root.ValueCb);
Assert.AreEqual(0, root.ValueCc);
Assert.AreEqual(6.67m, root.ValueCd);
Assert.AreEqual(26.67m, root.ValueCe);
root.ValueCc = 25;
Assert.AreEqual(5, root.ValueCa);
Assert.AreEqual(15, root.ValueCb);
Assert.AreEqual(25, root.ValueCc);
Assert.AreEqual(15.00m, root.ValueCd);
Assert.AreEqual(60.00m, root.ValueCe);
}
