public void TestEvaluateConditionsMatch()
{
var userAttributes = new UserAttributes
{
{ "device_type", "iPhone" },
{ "location", "San Francisco" },
{ "browser", "Chrome" }
};
Assert.IsTrue(ConditionEvaluator.Evaluate(Conditions, userAttributes));
}
public CheckPromotionConditionResult CheckConditions(Promotion promotion, PriceCalculationContext context)
{
var result = new CheckPromotionConditionResult();
if (!promotion.Conditions.Any())
{
result.Success = true;
foreach (var item in context.Items)
{
result.MatchedItems.Add(item);
}
return(result);
}
var operators = _ruleEngine.ComparisonOperators.Select(o => o.Name).ToList();
foreach (var item in context.Items)
{
var contextModel = new PromotionConditionContextModel
{
Item = item,
Customer = context.Customer
};
if (_ruleEngine.Evaluate(promotion.Conditions, contextModel))
{
result.Success = true;
result.MatchedItems.Add(item);
}
}
return(result);
}
public void TestLogic()
{
var sut = new ConditionEvaluator();
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("false && true")).ShouldBe(false);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("true && true")).ShouldBe(true);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("true && false")).ShouldBe(false);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("false && false")).ShouldBe(false);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("false || true")).ShouldBe(true);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("true || true")).ShouldBe(true);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("true || false")).ShouldBe(true);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("false || false")).ShouldBe(false);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("!false")).ShouldBe(true);
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("!true")).ShouldBe(false);
}
public void TestStackOverflow()
{
var sut = new ConditionEvaluator();
var product = new Product
{
Name = "Huel",
Category = new Category
{
CategoryId = 5
}
};
product.Category.ProductReference = product;
var code = new StringBuilder("resource");
for (var i = 0; i < 100; i++)
{
code.Append(".Category.ProductReference");
}
code.Append(@".Name == ""Huel""");
ActualValueDelegate <bool> del = () =>
sut.Evaluate(product, Les2LanguageService.Value.ParseSingle(code.ToString()));
Assert.That(del, Throws.TypeOf <StackOverflowException>());
}
async Task BuildLineItem(IList <BillLineItem> container, BillRequest request,
BillRequestLineItem item)
{
// No stage 2 payments
if (request.Type == BillType.Stage2 &&
(item.Scheme == Scheme.Endorsement ||
item.SubScheme == SubScheme.Canteen ||
item.SubScheme == SubScheme.ShortTerm))
{
return;
}
var codes = await GetCertFeeCodes(request.ReferenceDate, item.Scheme, item.SubScheme);
var code = codes.Count() == 1
? codes.First()
: codes.FirstOrDefault(e => ConditionEvaluator.Evaluate(item.Area, e.Conditions?.ToArray()));
if (code == null)
{
return;
}
if (request.Type == BillType.Stage1)
{
await Stage1CertFee(container, code, item);
}
else if (request.Type == BillType.Stage2)
{
await Stage2CertFee(request.RequestType, container, code, item);
}
}
public virtual void ApplyRule(RewriteContext context)
{
// 1. Figure out which section of the string to match for the initial rule.
var initMatchRes = InitialMatch.Evaluate(context.HttpContext.Request.Path, context);
if (!initMatchRes.Success)
{
context.Logger.ModRewriteNotMatchedRule();
return;
}
BackReferenceCollection?condBackReferences = null;
if (Conditions != null)
{
var condResult = ConditionEvaluator.Evaluate(Conditions, context, initMatchRes.BackReferences);
if (!condResult.Success)
{
context.Logger.ModRewriteNotMatchedRule();
return;
}
condBackReferences = condResult.BackReferences;
}
// At this point, we know our rule passed, first apply pre conditions,
// which can modify things like the cookie or env, and then apply the action
context.Logger.ModRewriteMatchedRule();
foreach (var action in Actions)
{
action.ApplyAction(context, initMatchRes?.BackReferences, condBackReferences);
}
}
public void TestJavaScriptStyleInsanity()
{
// arrange
var sut = new ConditionEvaluator();
// act (ish)
ActualValueDelegate <bool> del = () => sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("!5"));
// assert
Assert.That(del, Throws.TypeOf <InvalidOperationException>());
}
public void should_throw_for_unrecognized_params()
{
var ruleEngine = new ConditionEvaluator();
Assert.Throws <UnrecognizedParameterException>(() =>
{
var condition = "Age > 10 OR NotExistParam == 5";
ruleEngine.Evaluate(condition, new Person
{
Age = 10
});
});
}
public override IEnumerable <ConfiguredActivity> Execute(object dataContext)
{
var evaluator = new ConditionEvaluator();
var success = evaluator.Evaluate(Conditions, dataContext);
if (success)
{
return(Further(Then, dataContext));
}
else
{
return(Further(Else, dataContext));
}
}
public void TestMultiplePropertyReferences()
{
var sut = new ConditionEvaluator();
var product = new Product
{
Name = "Huel",
Category = new Category
{
CategoryId = 5
}
};
sut.Evaluate(product, Les2LanguageService.Value.ParseSingle("resource.Category.CategoryId == 5 || resource.Category.CategoryId == 6 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7 || resource.Category.CategoryId == 7"))
.ShouldBe(true);
}
public void ConditionExpressionEvaluate()
{
Assert.Equal(1, ConditionEvaluator.Evaluate(true, 1, 2));
Assert.Equal(1, ConditionEvaluator.Evaluate(1, 1, 2));
Assert.Equal(1, ConditionEvaluator.Evaluate(2.3f, 1, 2));
Assert.Equal(1, ConditionEvaluator.Evaluate("aa", 1, 2));
Assert.Equal(1, ConditionEvaluator.Evaluate(new object(), 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(false, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(0, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(-9, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(-0f, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(-9.0f, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate(null, 1, 2));
Assert.Equal(2, ConditionEvaluator.Evaluate("", 1, 2));
}
public void TestEnum()
{
var sut = new ConditionEvaluator();
var product = new Product
{
Name = "Huel",
Category = new Category
{
CategoryId = 5,
Type = CategoryType.Product
}
};
sut.Evaluate(product, Les2LanguageService.Value.ParseSingle("resource.Category.Type == 'Product'"))
.ShouldBe(true);
}
public void ApplyRule(RewriteContext context)
{
// Due to the path string always having a leading slash,
// remove it from the path before regex comparison
var path = context.HttpContext.Request.Path;
MatchResults initMatchResults;
if (path == PathString.Empty)
{
initMatchResults = InitialMatch.Evaluate(path.ToString(), context);
}
else
{
initMatchResults = InitialMatch.Evaluate(path.ToString().Substring(1), context);
}
if (!initMatchResults.Success)
{
context.Logger.UrlRewriteNotMatchedRule(Name);
return;
}
MatchResults?condResult = null;
if (Conditions != null)
{
condResult = ConditionEvaluator.Evaluate(Conditions, context, initMatchResults.BackReferences);
if (!condResult.Success)
{
context.Logger.UrlRewriteNotMatchedRule(Name);
return;
}
}
context.Logger.UrlRewriteMatchedRule(Name);
// at this point we know the rule passed, evaluate the replacement.
Action.ApplyAction(context, initMatchResults?.BackReferences, condResult?.BackReferences);
}
public void TestSimple()
{
var sut = new ConditionEvaluator();
sut.Evaluate(null, Les2LanguageService.Value.ParseSingle("0 < 1")).ShouldBe(true);
}
private bool CheckCondition(string condition, object contextModel)
{
var ruleEngine = new ConditionEvaluator();
return(ruleEngine.Evaluate(condition, contextModel));
}