public void NegateFollowsConvention()
{
string equation = "q_test";
string negated = ConventionHelper.NegateEquationName(equation, this.CustomConfig.Convention);
Assert.Equal("q_NOT_test", negated);
}
public void NegateActionEx()
{
var exception = Assert.Throws <ConventionMisMatchException>(() =>
{
string action = "action.test";
ConventionHelper.NegateEquationName(action, DefaultConfig.Convention);
});
}
public void NegateConventionNotFoundEx()
{
var exception = Assert.Throws <ConventionMisMatchException>(() =>
{
string equation = "mismatch.test";
ConventionHelper.NegateEquationName(equation, this.DefaultConfig.Convention);
});
}
//this needs to
// * ensure reaction rule is an equation
// * ensure that any evaluators exist in the evaluators list
private string LoadLogic(WorkDefine.Workflow workFlow, string equationId)
{
StepTraceNode <LintTrace> root = this.tracer.Root;
//load conventions
LogicDefine.Evaluator trueDef = workFlow.Evaluators.FirstOrDefault(z => z.Id == ConventionHelper.TrueEvaluator(this.config.Convention));
if (null == trueDef)
{
trueDef = new LogicDefine.Evaluator()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Description = "Always True"
};
workFlow.Evaluators.Add(trueDef);
}
LogicDefine.Equation trueEqDef = workFlow.Equations.FirstOrDefault(z => z.Id == ConventionHelper.TrueEquation(this.config.Convention));
if (null == trueEqDef)
{
trueEqDef = new LogicDefine.Equation()
{
Condition = Logic.Operand.Or, First = trueDef.Id, Second = trueDef.Id, Id = ConventionHelper.TrueEquation(this.config.Convention)
};
workFlow.Equations.Add(trueEqDef);
}
//Lint.... make sure we have everything we need first.
Action <LogicDefine.Rule, StepTraceNode <LintTrace>, bool> LoadRule = null;
LoadRule = (rule, parentStep, isRoot) =>
{
StepTraceNode <LintTrace> step = this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.Inspecting, "Inspecting Rule", rule.Id));
//if id is an equation, we are creating an expression
LogicDefine.Equation eq = workFlow.Equations.FirstOrDefault(g => g.Id.Equals(rule.Id));
if (null != eq)
{
if (null != eq.First)
{
LoadRule(eq.First, step, false);
}
else
{
eq.First = new LogicDefine.Rule()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Context = string.Empty, TrueCondition = true
};
}
if (null != eq.Second)
{
LoadRule(eq.Second.Id, step, false);
}
else
{
eq.Second = new LogicDefine.Rule()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Context = string.Empty, TrueCondition = true
};
}
if (!rule.TrueCondition)
{
//create a negation equation.
string negationId = ConventionHelper.NegateEquationName(rule.Id, this.config.Convention);
LogicDefine.Rule negated = (LogicDefine.Rule)rule.Clone();
//negated.TrueCondition = false;
if (workFlow.Equations.Count(g => g.Id == negationId) == 0)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.InferringEquation, string.Format("Inferring negation equation from {0}", rule.Id), negationId));
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
First = negated,
Id = negationId,
Condition = Logic.Operand.And,
Second = ConventionHelper.TrueEvaluator(this.config.Convention)
};
workFlow.Equations.Add(toAdd);
rule.TrueCondition = true;
rule.Id = negationId;
}
}
}
else
{
//if reaction ruleid is not an equation, create an equation and update reaction
LogicDefine.Evaluator ev = workFlow.Evaluators.FirstOrDefault(g => g.Id.Equals(rule.Id));
if (null == ev)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.LazyDefinition, "No definition found for evaluator", rule.Id));
ev = new LogicDefine.Evaluator()
{
Id = rule.Id,
Description = string.Empty
};
workFlow.Evaluators.Add(ev);
}
//if this is the rule referenced by the reaction, then create an equation also,
//and update the equation. This isn't necessary, but consistent.
if (isRoot)
{
LogicDefine.Rule cloned = (LogicDefine.Rule)rule.Clone();
string newId = string.Empty;
Logic.Operand condition = Logic.Operand.And;
if (rule.Id == ConventionHelper.TrueEquation(this.config.Convention))
{
newId = ConventionHelper.TrueEquation(this.config.Convention);
condition = Logic.Operand.Or;
}
else
{
newId = ConventionHelper.ChangePrefix(NamePrefixOptions.Evaluator, NamePrefixOptions.Equation, rule.Id, this.config.Convention);
}
if (!rule.TrueCondition)
{
newId = ConventionHelper.NegateEquationName(newId, this.config.Convention);
}
if (workFlow.Equations.Count(g => g.Id == newId) == 0)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.InferringEquation, string.Format("Inferring equation from {0}", rule.Id), newId));
workFlow.Equations.Add(new LogicDefine.Equation()
{
Condition = condition,
First = cloned,
Second = ConventionHelper.TrueEvaluator(this.config.Convention),
Id = newId
});
}
rule.Id = newId;
}
}
};
LogicDefine.Rule eqRule = equationId;
LoadRule(eqRule, root, true);
return(eqRule.Id);
}
void IFluentExpressionBuilder <T> .Rule(Action <IRuleBuilder <T> > action)
{
RuleBuilder <T> builderRef = new RuleBuilder <T>(this);
action.Invoke(builderRef);
LogicDefine.Rule evaluatorId = builderRef.rule;
evaluatorId.Id = ConventionHelper.EnsureConvention(NamePrefixOptions.Evaluator, evaluatorId.Id, this.config.Convention);
string actionName = builderRef.evaluatorx.GetType().Name;
string description = ConventionHelper.ParseMethodName(actionName, this.config.Convention.ParseMethodNamesAs).Literal;
var descAttr = builderRef.evaluatorx.GetType().GetCustomAttributes(typeof(ArticulateOptionsAttribute), true)
.OfType <ArticulateOptionsAttribute>()
.FirstOrDefault();
if (descAttr != null)
{
description = descAttr.Description;
}
this.workflowManager.AddEvaluator(new LogicDefine.Evaluator()
{
Id = evaluatorId.Id, Description = description
});
bool isRoot = this.epxressionStack.Count == 0;
if (!this.evaluators.ContainsKey(evaluatorId.Id))
{
this.evaluators.Add(evaluatorId.Id, builderRef.evaluatorx);
} //if attmpeting to add another implementation with the same id, throw an exception
//we can't handle this
else if (this.evaluators[evaluatorId.Id].GetType() != builderRef.evaluatorx.GetType())
{
throw new BuilderException(evaluatorId.Id);
}
if (isRoot)
{
string equationId = ConventionHelper.ChangePrefix(NamePrefixOptions.Evaluator, NamePrefixOptions.Equation, evaluatorId.Id, this.config.Convention);
bool trueCond = true;;
if (!evaluatorId.TrueCondition)
{
equationId = ConventionHelper.NegateEquationName(equationId, this.config.Convention);
trueCond = false;
}
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
Condition = Logic.Operand.And,
First = evaluatorId,
Id = equationId,
Second = ConventionHelper.TrueEvaluator(this.config.Convention),
//TrueCondition = trueCond
};
this.epxressionStack.Push(toAdd);
this.workflowManager.AddEquation(toAdd);
}
else
{
this.epxressionStack.Push(evaluatorId);
}
//if root... then create euqations
//otherwise, just use as evaluator
}