public void ShouldEvaluateWithUntypedExpression()
{
var data = new Dictionary <string, object> {
{ "Name", "Jane Doe" }
};
var sut = new ExpressionConstraint("Name", (o) => {
return(o.ToString().Length > 5);
});
Assert.True(sut.Evaluate(data));
data["Name"] = "Jane";
Assert.False(sut.Evaluate(data));
}
public void ShouldNotBePossibleEvaluateRuleWithExpressionConstraintAndMissingProperty()
{
var constraint = new ExpressionConstraint("Name", (o) => {
return(o != null && o.ToString().Length > 5);
});
var result = constraint.Evaluate(ObjectHelper.ToDictionary(new { }));
Assert.False(result);
}
public void ShouldEvaluateAsFalseIfExpressionIsNull()
{
var data = new Dictionary <string, object>()
{
{ "Name", "Jhon Doe" }
};
var sut = new ExpressionConstraint <Money>("Debt", null);
Assert.False(sut.Evaluate(data));
}
public void ShouldEvaluateWithTypedExpression()
{
var data = new Dictionary <string, object>()
{
{ "Debt", new Money(10.0m, Currency.REAL) }
};
var sut = new ExpressionConstraint <Money>("Debt", (o) => {
return(o.Amount > 12.3m);
});
Assert.False(sut.Evaluate(data));
sut = new ExpressionConstraint <Money>("Debt", (o) => {
return(o.Amount > 9.3m);
});
Assert.True(sut.Evaluate(data));
}