public void Builder_should_create_a_default_InferenceEngine_instance()
{
// act
var engine = new InferenceEngine.Builder().Build();
// assert
Assert.IsType <InferenceEngine>(engine);
}
public void Builder_WithRuleBase_method_should_set_the_rulebase_property()
{
// arrange
var ruleBase = new RuleBase.Builder().Build();
// act
var engine = new InferenceEngine.Builder()
.WithRuleBase(ruleBase)
.Build();
// assert
Assert.Equal(ruleBase, engine.GetRuleBase());
}
public void Builder_WithWorkingMemory_method_should_set_the_workingmemory_property()
{
// arrange
var workingMemory = new WorkingMemory.Builder().Build();
// act
var engine = new InferenceEngine.Builder()
.WithWorkingMemory(workingMemory)
.Build();
// assert
Assert.Equal(workingMemory, engine.GetWorkingMemory());
}
public void Match_method_should_return_an_empty_list_if_no_rules_match()
{
// arrange
var workingMemory = SeedWorkingMemory();
var ruleBase = SeedRuleBase(false);
var engine = new InferenceEngine.Builder()
.WithWorkingMemory(workingMemory)
.WithRuleBase(ruleBase)
.Build();
// act
var rules = engine.Match();
// assert
Assert.Equal(0, rules.Count);
}
public void Match_method_should_return_a_list_of_matching_rules()
{
// arrange
var workingMemory = SeedWorkingMemory();
var ruleBase = SeedRuleBase();
var engine = new InferenceEngine.Builder()
.WithWorkingMemory(workingMemory)
.WithRuleBase(ruleBase)
.Build();
// act
var rules = engine.Match();
// assert
Assert.Contains(ruleBase.Rules[0], rules);
}
public void Resolve_method_should_return_a_list_of_all_passed_rule()
{
// arrange
var workingMemory = SeedWorkingMemory();
var ruleBase = SeedRuleBase();
var engine = new InferenceEngine.Builder()
.WithWorkingMemory(workingMemory)
.WithRuleBase(ruleBase)
.Build();
var rules = engine.Match();
var matchCount = rules.Count;
// act
var resolvedRules = engine.Resolve(rules);
var resolvedCount = resolvedRules.Count;
// assert
Assert.Equal(matchCount, resolvedCount);
}
public void Execute_method_should_trigger_rule_actions_against_the_working_memory()
{
// arrange
var workingMemory = SeedWorkingMemory();
var ruleBase = SeedRuleBase();
var engine = new InferenceEngine.Builder()
.WithWorkingMemory(workingMemory)
.WithRuleBase(ruleBase)
.Build();
var rules = engine.Match();
var resolvedRules = engine.Resolve(rules);
// act
engine.Execute(resolvedRules);
var newFacts = workingMemory.Facts;
var potentialCSharp = newFacts.FirstOrDefault(x => x.Assertion == "Potential C# experience");
var potentialAngular = newFacts.FirstOrDefault(x => x.Assertion == "Potential Angular experience");
// assert
Assert.IsType <Fact>(potentialCSharp);
Assert.IsType <Fact>(potentialAngular);
}
