public void Init_GivenSetupWithBooleanValue_ReturnsSettedValues()
{
// Arrange
ConditionType expectedConditionType = ConditionType.IsoCountryCode;
Operators expectedOperator = Operators.NotEqual;
bool expectedOperand = false;
LogicalOperators expectedLogicalOperator = LogicalOperators.Eval;
DataTypes expectedDataType = DataTypes.Boolean;
BooleanConditionNode <ConditionType> sut = new BooleanConditionNode <ConditionType>(expectedConditionType, expectedOperator, expectedOperand);
// Act
ConditionType actualConditionType = sut.ConditionType;
Operators actualOperator = sut.Operator;
DataTypes actualDataType = sut.DataType;
LogicalOperators actualLogicalOperator = sut.LogicalOperator;
bool actualOperand = sut.Operand;
// Assert
actualConditionType.Should().Be(expectedConditionType);
actualOperator.Should().Be(expectedOperator);
actualOperand.Should().Be(expectedOperand);
actualLogicalOperator.Should().Be(expectedLogicalOperator);
actualDataType.Should().Be(expectedDataType);
}
public Func <IEnumerable <Condition <TConditionType> >, bool> GetDeferredEvalFor <TConditionType>(IValueConditionNode <TConditionType> valueConditionNode, MatchModes matchMode)
{
return(valueConditionNode switch
{
IntegerConditionNode <TConditionType> integerConditionNode => (conditions) => Eval <IntegerConditionNode <TConditionType>, TConditionType, int>(conditions, integerConditionNode, matchMode),
DecimalConditionNode <TConditionType> decimalConditionNode => (conditions) => Eval <DecimalConditionNode <TConditionType>, TConditionType, decimal>(conditions, decimalConditionNode, matchMode),
StringConditionNode <TConditionType> stringConditionNode => (conditions) => Eval <StringConditionNode <TConditionType>, TConditionType, string>(conditions, stringConditionNode, matchMode),
BooleanConditionNode <TConditionType> booleanConditionNode => (conditions) => Eval <BooleanConditionNode <TConditionType>, TConditionType, bool>(conditions, booleanConditionNode, matchMode),
_ => throw new NotSupportedException($"Unsupported value condition node: '{valueConditionNode.GetType().Name}'."),
});
public void Eval_GivenComposedConditionNodeWithAndOperatorAndMissingConditionWithSearchMode_EvalsAndReturnsResult()
{
// Arrange
BooleanConditionNode <ConditionType> condition1 = new BooleanConditionNode <ConditionType>(ConditionType.IsVip, Operators.Equal, true);
StringConditionNode <ConditionType> condition2 = new StringConditionNode <ConditionType>(ConditionType.IsoCurrency, Operators.NotEqual, "SGD");
ComposedConditionNode <ConditionType> composedConditionNode = new ComposedConditionNode <ConditionType>(
LogicalOperators.Or,
new IConditionNode <ConditionType>[] { condition1, condition2 });
IEnumerable <Condition <ConditionType> > conditions = new[]
{
new Condition <ConditionType>
{
Type = ConditionType.IsoCurrency,
Value = "SGD"
},
new Condition <ConditionType>
{
Type = ConditionType.IsoCountryCode,
Value = "PT"
}
};
EvaluationOptions evaluationOptions = new EvaluationOptions
{
MatchMode = MatchModes.Search,
ExcludeRulesWithoutSearchConditions = true
};
Mock <IDeferredEval> mockDeferredEval = new Mock <IDeferredEval>();
mockDeferredEval.SetupSequence(x => x.GetDeferredEvalFor(It.IsAny <IValueConditionNode <ConditionType> >(), It.Is <MatchModes>(mm => mm == MatchModes.Exact)))
.Returns(() =>
{
return((c) => false);
})
.Returns(() =>
{
return((c) => true);
})
.Throws(new NotImplementedException("Shouldn't have gotten any more deferred evals."));
ConditionsEvalEngine <ConditionType> sut = new ConditionsEvalEngine <ConditionType>(mockDeferredEval.Object);
// Act
bool actual = sut.Eval(composedConditionNode, conditions, evaluationOptions);
// Assert
actual.Should().BeFalse();
mockDeferredEval.Verify(x => x.GetDeferredEvalFor(It.IsAny <IValueConditionNode <ConditionType> >(), It.Is <MatchModes>(mm => mm == MatchModes.Exact)), Times.Exactly(0));
}
public void Eval_GivenComposedConditionNodeWithEvalOperator_ThrowsNotSupportedException()
{
// Arrange
BooleanConditionNode <ConditionType> condition1 = new BooleanConditionNode <ConditionType>(ConditionType.IsVip, Operators.Equal, true);
StringConditionNode <ConditionType> condition2 = new StringConditionNode <ConditionType>(ConditionType.IsoCurrency, Operators.NotEqual, "SGD");
ComposedConditionNode <ConditionType> composedConditionNode = new ComposedConditionNode <ConditionType>(
LogicalOperators.Eval,
new IConditionNode <ConditionType>[] { condition1, condition2 });
IEnumerable <Condition <ConditionType> > conditions = new[]
{
new Condition <ConditionType>
{
Type = ConditionType.IsoCurrency,
Value = "SGD"
},
new Condition <ConditionType>
{
Type = ConditionType.IsVip,
Value = true
}
};
EvaluationOptions evaluationOptions = new EvaluationOptions
{
MatchMode = MatchModes.Exact
};
Mock <IDeferredEval> mockDeferredEval = new Mock <IDeferredEval>();
ConditionsEvalEngine <ConditionType> sut = new ConditionsEvalEngine <ConditionType>(mockDeferredEval.Object);
// Act
NotSupportedException notSupportedException = Assert.Throws <NotSupportedException>(() => sut.Eval(composedConditionNode, conditions, evaluationOptions));
// Assert
notSupportedException.Should().NotBeNull();
notSupportedException.Message.Should().Be("Unsupported logical operator: 'Eval'.");
mockDeferredEval.Verify(x => x.GetDeferredEvalFor(It.IsAny <IValueConditionNode <ConditionType> >(), It.Is <MatchModes>(mm => mm == MatchModes.Exact)), Times.Never());
}
public void GetDeferredEvalFor_GivenBooleanConditionNode_ReturnsFuncToEvalConditionsCollection()
{
// Arrange
BooleanConditionNode <ConditionType> conditionNode = new BooleanConditionNode <ConditionType>(ConditionType.IsVip, Operators.NotEqual, true);
Mock <IOperatorEvalStrategy> mockOperatorEvalStrategy = new Mock <IOperatorEvalStrategy>();
mockOperatorEvalStrategy.Setup(x => x.Eval(It.IsAny <bool>(), It.IsAny <bool>()))
.Returns(true);
Mock <IOperatorEvalStrategyFactory> mockOperatorEvalStrategyFactory = new Mock <IOperatorEvalStrategyFactory>();
mockOperatorEvalStrategyFactory.Setup(x => x.GetOperatorEvalStrategy(It.IsAny <Operators>()))
.Returns(mockOperatorEvalStrategy.Object);
IEnumerable <Condition <ConditionType> > conditions = new Condition <ConditionType>[]
{
new Condition <ConditionType>
{
Type = ConditionType.IsVip,
Value = false
}
};
MatchModes matchMode = MatchModes.Exact;
RulesEngineOptions rulesEngineOptions = RulesEngineOptions.NewWithDefaults();
DeferredEval sut = new DeferredEval(mockOperatorEvalStrategyFactory.Object, rulesEngineOptions);
// Act
Func <IEnumerable <Condition <ConditionType> >, bool> actual = sut.GetDeferredEvalFor(conditionNode, matchMode);
bool actualEvalResult = actual.Invoke(conditions);
// Assert
actualEvalResult.Should().BeTrue();
mockOperatorEvalStrategyFactory.Verify(x => x.GetOperatorEvalStrategy(It.IsAny <Operators>()), Times.Once());
mockOperatorEvalStrategy.Verify(x => x.Eval(It.IsAny <bool>(), It.IsAny <bool>()), Times.Once());
}
public void CreateRule_GivenRuleDataModelWithComposedNodeAndChildNodesOfEachDataType_ReturnsRuleInstance()
{
// Arrange
dynamic content = new ExpandoObject();
content.Prop1 = 123;
content.Prop2 = "Sample string";
content.Prop3 = 500.34m;
ValueConditionNodeDataModel integerConditionNodeDataModel = new ValueConditionNodeDataModel
{
ConditionType = "SampleIntegerCondition",
DataType = DataTypes.Integer,
LogicalOperator = LogicalOperators.Eval,
Operand = 20,
Operator = Operators.GreaterThan
};
ValueConditionNodeDataModel stringConditionNodeDataModel = new ValueConditionNodeDataModel
{
ConditionType = "SampleStringCondition",
DataType = DataTypes.String,
LogicalOperator = LogicalOperators.Eval,
Operand = "TEST",
Operator = Operators.Equal
};
ValueConditionNodeDataModel decimalConditionNodeDataModel = new ValueConditionNodeDataModel
{
ConditionType = "SampleDecimalCondition",
DataType = DataTypes.Decimal,
LogicalOperator = LogicalOperators.Eval,
Operand = 50.3m,
Operator = Operators.LesserThanOrEqual
};
ValueConditionNodeDataModel booleanConditionNodeDataModel = new ValueConditionNodeDataModel
{
ConditionType = "SampleBooleanCondition",
DataType = DataTypes.Boolean,
LogicalOperator = LogicalOperators.Eval,
Operand = true,
Operator = Operators.NotEqual
};
RuleDataModel ruleDataModel = new RuleDataModel
{
Content = content,
ContentType = "ContentTypeSample",
DateBegin = new System.DateTime(2020, 1, 1),
DateEnd = null,
Id = ObjectId.GenerateNewId(),
Name = "My rule used for testing purposes",
Priority = 1,
RootCondition = new ComposedConditionNodeDataModel
{
LogicalOperator = LogicalOperators.And,
ChildConditionNodes = new ConditionNodeDataModel[]
{
integerConditionNodeDataModel,
stringConditionNodeDataModel,
decimalConditionNodeDataModel,
booleanConditionNodeDataModel
}
}
};
IContentSerializationProvider <ContentType> contentSerializationProvider = Mock.Of <IContentSerializationProvider <ContentType> >();
RuleFactory <ContentType, ConditionType> ruleFactory = new RuleFactory <ContentType, ConditionType>(contentSerializationProvider);
// Act
Rule <ContentType, ConditionType> rule = ruleFactory.CreateRule(ruleDataModel);
// Assert
rule.Should().NotBeNull();
rule.ContentContainer.Should().NotBeNull()
.And.BeOfType <SerializedContentContainer <ContentType> >();
rule.DateBegin.Should().Be(ruleDataModel.DateBegin);
rule.DateEnd.Should().BeNull();
rule.Name.Should().Be(ruleDataModel.Name);
rule.Priority.Should().Be(ruleDataModel.Priority);
rule.RootCondition.Should().BeOfType <ComposedConditionNode <ConditionType> >();
ComposedConditionNode <ConditionType> composedConditionNode = rule.RootCondition.As <ComposedConditionNode <ConditionType> >();
composedConditionNode.LogicalOperator.Should().Be(LogicalOperators.And);
composedConditionNode.ChildConditionNodes.Should().HaveCount(4);
IEnumerable <IntegerConditionNode <ConditionType> > integerConditionNodes = composedConditionNode.ChildConditionNodes.OfType <IntegerConditionNode <ConditionType> >();
integerConditionNodes.Should().HaveCount(1);
IntegerConditionNode <ConditionType> integerConditionNode = integerConditionNodes.First();
integerConditionNode.Should().NotBeNull();
integerConditionNode.ConditionType.Should().Match <ConditionType>(x => x == Enum.Parse <ConditionType>(integerConditionNodeDataModel.ConditionType));
integerConditionNode.DataType.Should().Be(integerConditionNodeDataModel.DataType);
integerConditionNode.LogicalOperator.Should().Be(integerConditionNodeDataModel.LogicalOperator);
integerConditionNode.Operand.Should().Match(x => object.Equals(x, integerConditionNodeDataModel.Operand));
integerConditionNode.Operator.Should().Be(integerConditionNodeDataModel.Operator);
IEnumerable <StringConditionNode <ConditionType> > stringConditionNodes = composedConditionNode.ChildConditionNodes.OfType <StringConditionNode <ConditionType> >();
stringConditionNodes.Should().HaveCount(1);
StringConditionNode <ConditionType> stringConditionNode = stringConditionNodes.First();
stringConditionNode.Should().NotBeNull();
stringConditionNode.ConditionType.Should().Match <ConditionType>(x => x == Enum.Parse <ConditionType>(stringConditionNodeDataModel.ConditionType));
stringConditionNode.DataType.Should().Be(stringConditionNodeDataModel.DataType);
stringConditionNode.LogicalOperator.Should().Be(stringConditionNodeDataModel.LogicalOperator);
stringConditionNode.Operand.Should().Match(x => object.Equals(x, stringConditionNodeDataModel.Operand));
stringConditionNode.Operator.Should().Be(stringConditionNodeDataModel.Operator);
IEnumerable <DecimalConditionNode <ConditionType> > decimalConditionNodes = composedConditionNode.ChildConditionNodes.OfType <DecimalConditionNode <ConditionType> >();
decimalConditionNodes.Should().HaveCount(1);
DecimalConditionNode <ConditionType> decimalConditionNode = decimalConditionNodes.First();
decimalConditionNode.Should().NotBeNull();
decimalConditionNode.ConditionType.Should().Match <ConditionType>(x => x == Enum.Parse <ConditionType>(decimalConditionNodeDataModel.ConditionType));
decimalConditionNode.DataType.Should().Be(decimalConditionNodeDataModel.DataType);
decimalConditionNode.LogicalOperator.Should().Be(decimalConditionNodeDataModel.LogicalOperator);
decimalConditionNode.Operand.Should().Match(x => object.Equals(x, decimalConditionNodeDataModel.Operand));
decimalConditionNode.Operator.Should().Be(decimalConditionNodeDataModel.Operator);
IEnumerable <BooleanConditionNode <ConditionType> > booleanConditionNodes = composedConditionNode.ChildConditionNodes.OfType <BooleanConditionNode <ConditionType> >();
booleanConditionNodes.Should().HaveCount(1);
BooleanConditionNode <ConditionType> booleanConditionNode = booleanConditionNodes.First();
booleanConditionNode.Should().NotBeNull();
booleanConditionNode.ConditionType.Should().Match <ConditionType>(x => x == Enum.Parse <ConditionType>(booleanConditionNodeDataModel.ConditionType));
booleanConditionNode.DataType.Should().Be(booleanConditionNodeDataModel.DataType);
booleanConditionNode.LogicalOperator.Should().Be(booleanConditionNodeDataModel.LogicalOperator);
booleanConditionNode.Operand.Should().Be(Convert.ToBoolean(booleanConditionNodeDataModel.Operand));
booleanConditionNode.Operator.Should().Be(booleanConditionNodeDataModel.Operator);
}
public void CreateRule_GivenRuleWithComposedNodeAndChildNodesOfEachDataType_ReturnsRuleDataModelInstance()
{
// Arrange
dynamic content = new ExpandoObject();
content.Prop1 = 123;
content.Prop2 = "Sample string";
content.Prop3 = 500.34m;
IContentSerializer contentSerializer = Mock.Of <IContentSerializer>();
Mock.Get(contentSerializer)
.Setup(x => x.Deserialize(It.IsAny <object>(), It.IsAny <Type>()))
.Returns((object)content);
IContentSerializationProvider <ContentType> contentSerializationProvider = Mock.Of <IContentSerializationProvider <ContentType> >();
Mock.Get(contentSerializationProvider)
.Setup(x => x.GetContentSerializer(ContentType.ContentTypeSample))
.Returns(contentSerializer);
BooleanConditionNode <ConditionType> booleanConditionNode = null;
DecimalConditionNode <ConditionType> decimalConditionNode = null;
IntegerConditionNode <ConditionType> integerConditionNode = null;
StringConditionNode <ConditionType> stringConditionNode = null;
Rule <ContentType, ConditionType> rule1 = RuleBuilder.NewRule <ContentType, ConditionType>()
.WithName("My rule used for testing purposes")
.WithDateBegin(new DateTime(2020, 1, 1))
.WithPriority(1)
.WithSerializedContent(ContentType.ContentTypeSample, (object)content, contentSerializationProvider)
.WithCondition(cnb => cnb.AsComposed()
.WithLogicalOperator(LogicalOperators.And)
.AddCondition(cnb1 => booleanConditionNode = cnb1.AsValued(ConditionType.SampleBooleanCondition)
.OfDataType <bool>()
.WithComparisonOperator(Operators.NotEqual)
.SetOperand(true)
.Build() as BooleanConditionNode <ConditionType>)
.AddCondition(cnb1 => decimalConditionNode = cnb1.AsValued(ConditionType.SampleDecimalCondition)
.OfDataType <decimal>()
.WithComparisonOperator(Operators.LesserThanOrEqual)
.SetOperand(50.3m)
.Build() as DecimalConditionNode <ConditionType>)
.AddCondition(cnb1 => integerConditionNode = cnb1.AsValued(ConditionType.SampleIntegerCondition)
.OfDataType <int>()
.WithComparisonOperator(Operators.GreaterThan)
.SetOperand(20)
.Build() as IntegerConditionNode <ConditionType>)
.AddCondition(cnb1 => stringConditionNode = cnb1.AsValued(ConditionType.SampleStringCondition)
.OfDataType <string>()
.WithComparisonOperator(Operators.Equal)
.SetOperand("TEST")
.Build() as StringConditionNode <ConditionType>)
.Build())
.Build().Rule;
RuleFactory <ContentType, ConditionType> ruleFactory = new RuleFactory <ContentType, ConditionType>(contentSerializationProvider);
// Act
RuleDataModel rule = ruleFactory.CreateRule(rule1);
// Assert
rule.Should().NotBeNull();
object content1 = rule.Content;
content1.Should().NotBeNull()
.And.BeSameAs(content);
rule.DateBegin.Should().Be(rule.DateBegin);
rule.DateEnd.Should().BeNull();
rule.Name.Should().Be(rule.Name);
rule.Priority.Should().Be(rule.Priority);
rule.RootCondition.Should().BeOfType <ComposedConditionNodeDataModel>();
ComposedConditionNodeDataModel composedConditionNodeDataModel = rule.RootCondition.As <ComposedConditionNodeDataModel>();
composedConditionNodeDataModel.LogicalOperator.Should().Be(LogicalOperators.And);
composedConditionNodeDataModel.ChildConditionNodes.Should().HaveCount(4);
IEnumerable <ValueConditionNodeDataModel> valueConditionNodeDataModels = composedConditionNodeDataModel.ChildConditionNodes.OfType <ValueConditionNodeDataModel>();
valueConditionNodeDataModels.Should().HaveCount(4);
ValueConditionNodeDataModel integerConditionNodeDataModel = valueConditionNodeDataModels.First(v => v.DataType == DataTypes.Integer);
integerConditionNodeDataModel.Should().NotBeNull();
integerConditionNodeDataModel.ConditionType.Should().Match <string>(x => integerConditionNode.ConditionType == Enum.Parse <ConditionType>(x));
integerConditionNodeDataModel.DataType.Should().Be(integerConditionNode.DataType);
integerConditionNodeDataModel.LogicalOperator.Should().Be(integerConditionNode.LogicalOperator);
integerConditionNodeDataModel.Operand.Should().Match(x => object.Equals(x, integerConditionNode.Operand));
integerConditionNodeDataModel.Operator.Should().Be(integerConditionNode.Operator);
ValueConditionNodeDataModel stringConditionNodeDataModel = valueConditionNodeDataModels.First(v => v.DataType == DataTypes.String);
stringConditionNodeDataModel.Should().NotBeNull();
stringConditionNodeDataModel.ConditionType.Should().Match <string>(x => stringConditionNode.ConditionType == Enum.Parse <ConditionType>(x));
stringConditionNodeDataModel.DataType.Should().Be(stringConditionNode.DataType);
stringConditionNodeDataModel.LogicalOperator.Should().Be(stringConditionNode.LogicalOperator);
stringConditionNodeDataModel.Operand.Should().Match(x => object.Equals(x, stringConditionNode.Operand));
stringConditionNodeDataModel.Operator.Should().Be(stringConditionNode.Operator);
ValueConditionNodeDataModel decimalConditionNodeDataModel = valueConditionNodeDataModels.First(v => v.DataType == DataTypes.Decimal);
decimalConditionNodeDataModel.Should().NotBeNull();
decimalConditionNodeDataModel.ConditionType.Should().Match <string>(x => decimalConditionNode.ConditionType == Enum.Parse <ConditionType>(x));
decimalConditionNodeDataModel.DataType.Should().Be(decimalConditionNode.DataType);
decimalConditionNodeDataModel.LogicalOperator.Should().Be(decimalConditionNode.LogicalOperator);
decimalConditionNodeDataModel.Operand.Should().Match(x => object.Equals(x, decimalConditionNode.Operand));
decimalConditionNodeDataModel.Operator.Should().Be(decimalConditionNode.Operator);
ValueConditionNodeDataModel booleanConditionNodeDataModel = valueConditionNodeDataModels.First(v => v.DataType == DataTypes.Boolean);
booleanConditionNodeDataModel.Should().NotBeNull();
booleanConditionNodeDataModel.ConditionType.Should().Match <string>(x => booleanConditionNode.ConditionType == Enum.Parse <ConditionType>(x));
booleanConditionNodeDataModel.DataType.Should().Be(booleanConditionNode.DataType);
booleanConditionNodeDataModel.LogicalOperator.Should().Be(booleanConditionNode.LogicalOperator);
booleanConditionNodeDataModel.Operand.Should().Be(Convert.ToBoolean(booleanConditionNode.Operand));
booleanConditionNodeDataModel.Operator.Should().Be(booleanConditionNode.Operator);
}
