public void GetOutputStructure_CalcComponentExpr_DataStructure(string keyword) { IExpression calcExpr = ModelResolvers.ExprResolver(); IExpression compExpr = ModelResolvers.ExprResolver(); compExpr.ExpressionText = "component"; compExpr.OperatorDefinition = ModelResolvers.OperatorResolver("comp"); calcExpr.OperatorDefinition = ModelResolvers.OperatorResolver("calcExpr"); calcExpr.OperatorDefinition.Keyword = keyword; calcExpr.AddOperand("ds_1", compExpr); ComponentType compType; switch (keyword) { case "identifier": compType = ComponentType.Identifier; break; case "measure": compType = ComponentType.Measure; break; case "attribute": compType = ComponentType.NonViralAttribute; break; case "viral attribute": compType = ComponentType.ViralAttribute; break; default: throw new ArgumentOutOfRangeException("keyword"); } IDataStructure dataStructure = compExpr.OperatorDefinition.GetOutputStructure(compExpr); Assert.True(dataStructure.IsSingleComponent); Assert.Equal(compType, dataStructure.Components[0].ComponentType); }
public void GetOutputStructure_WrongArgExpr_ThrowsException() { TestExprType[][] correctCombs = new TestExprType[][] { new TestExprType[] { TestExprType.Integer }, new TestExprType[] { TestExprType.Number }, new TestExprType[] { TestExprType.None }, new TestExprType[] { TestExprType.IntsDataset }, new TestExprType[] { TestExprType.NumbersDataset }, new TestExprType[] { TestExprType.MixedIntNumDataset }, new TestExprType[] { TestExprType.NonesDataset }, new TestExprType[] { TestExprType.MixedNoneIntDataset }, new TestExprType[] { TestExprType.MixedNoneNumDataset } }; TestExprType[][] combinations = Enum.GetValues(typeof(TestExprType)).Cast <TestExprType>().GetCombinations(1); TestExprType[][] wrongCombs = combinations.Without(correctCombs); foreach (string opSymbol in this._operators) { foreach (TestExprType[] wrongComb in wrongCombs) { IExpression unaryArithmeticExpr = TestExprFactory.GetExpression(wrongComb); unaryArithmeticExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); // Debug condition example: wrongComb[0] == TestExprType.Integer Assert.ThrowsAny <VtlOperatorError>(() => { unaryArithmeticExpr.OperatorDefinition.GetOutputStructure(unaryArithmeticExpr); }); } } }
public void GetOutputStructure_CorrectSingleMeasureExpr_DataStructure(params TestExprType[] types) { IExpression nvlExpr = TestExprFactory.GetExpression(types[0], types[1]); nvlExpr.OperatorDefinition = ModelResolvers.OperatorResolver("nvl"); if (nvlExpr.Operands["ds_1"].Structure.Measures.Count > 1) { nvlExpr.Operands["ds_1"].Structure.Measures.RemoveAt(1); } if (nvlExpr.Operands["ds_2"].Structure.Measures.Count > 1) { nvlExpr.Operands["ds_2"].Structure.Measures.RemoveAt(1); } IExpression expected = TestExprFactory.GetExpression(types[2]); if (expected.Structure.Measures.Count > 1) { expected.Structure.Measures.RemoveAt(1); } IDataStructure dataStructure = nvlExpr.OperatorDefinition.GetOutputStructure(nvlExpr); Assert.True(expected.Structure.EqualsObj(dataStructure)); }
public void GetOutputStructure_WrongArgsExpr_ThrowsException() { TestExprType[][] correctCombs = new TestExprType[][] { new TestExprType[] { TestExprType.String, TestExprType.String }, new TestExprType[] { TestExprType.String, TestExprType.None }, new TestExprType[] { TestExprType.None, TestExprType.String }, new TestExprType[] { TestExprType.None, TestExprType.None }, new TestExprType[] { TestExprType.StringsDataset, TestExprType.String }, new TestExprType[] { TestExprType.StringsDataset, TestExprType.None }, new TestExprType[] { TestExprType.NonesDataset, TestExprType.String }, new TestExprType[] { TestExprType.NonesDataset, TestExprType.None } }; TestExprType[][] combinations = Enum.GetValues(typeof(TestExprType)).Cast <TestExprType>().GetCombinations(2); TestExprType[][] wrongCombs = combinations.Without(correctCombs); foreach (TestExprType[] wrongComb in wrongCombs.Where(wrongComb => (int)wrongComb[0] < 18 && (int)wrongComb[1] < 18)) // No mixed datasets { IExpression stringExpr = TestExprFactory.GetExpression(wrongComb); stringExpr.OperatorDefinition = ModelResolvers.OperatorResolver("match_characters"); if (!stringExpr.Operands["ds_1"].IsScalar) { stringExpr.Operands["ds_1"].Structure.Measures.RemoveAt(1); } if (!stringExpr.Operands["ds_2"].IsScalar) { stringExpr.Operands["ds_2"].Structure.Measures.RemoveAt(1); } // Debug condition example: wrongComb[0] == TestExprType.Integer && wrongComb[1] == TestExprType.Integer Assert.ThrowsAny <VtlOperatorError>(() => { stringExpr.OperatorDefinition.GetOutputStructure(stringExpr); }); } }
public void GetOutputStructure_MultiMeasuresDatasetExpr_ThrowsException() { TestExprType[][] scalars = new TestExprType[][] { new TestExprType[] { TestExprType.Integer }, new TestExprType[] { TestExprType.Number }, new TestExprType[] { TestExprType.String }, new TestExprType[] { TestExprType.Boolean }, new TestExprType[] { TestExprType.Time }, new TestExprType[] { TestExprType.Date }, new TestExprType[] { TestExprType.TimePeriod }, new TestExprType[] { TestExprType.Duration }, new TestExprType[] { TestExprType.None } }; TestExprType[][] types = Enum.GetValues(typeof(TestExprType)).Cast <TestExprType>().GetCombinations(1); TestExprType[][] datasets = types.Without(scalars); foreach (TestExprType[] dataset in datasets) { IExpression isNullExpr = TestExprFactory.GetExpression(dataset); isNullExpr.OperatorDefinition = ModelResolvers.OperatorResolver("isnull"); // Debug condition example: dataset[0] == TestExprType.IntsDataset Assert.ThrowsAny <VtlOperatorError>(() => { isNullExpr.OperatorDefinition.GetOutputStructure(isNullExpr); }); } }
public void GetOutputStructure_WrongArgExpr1Arg_ThrowsException(string opSymbol) { TestExprType[][] correctCombs = new TestExprType[][] { new TestExprType[] { TestExprType.String }, new TestExprType[] { TestExprType.None }, new TestExprType[] { TestExprType.StringsDataset }, new TestExprType[] { TestExprType.NonesDataset }, new TestExprType[] { TestExprType.MixedNoneStrDataset } }; TestExprType[][] combinations = Enum.GetValues(typeof(TestExprType)).Cast <TestExprType>().GetCombinations(1); TestExprType[][] wrongCombs = combinations.Without(correctCombs.ToArray()); foreach (TestExprType[] wrongComb in wrongCombs.Where(wrongComb => (int)wrongComb[0] < 18)) // No mixed datasets { IExpression stringExpr = TestExprFactory.GetExpression(new TestExprType[] { wrongComb[0] }); stringExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); if (opSymbol.In("length", "instr") && stringExpr.Operands["ds_1"].Structure.Measures.Count > 1) { stringExpr.Operands["ds_1"].Structure.Measures.RemoveAt(1); } // Debug condition example: wrongComb[0] == TestExprType.Integer Assert.ThrowsAny <VtlOperatorError>(() => { stringExpr.OperatorDefinition.GetOutputStructure(stringExpr); }); } }
public void GetOutputStructure_Correct1Superset1SubsetExpr_SupersetModified(params TestExprType[] types) { foreach (string opSymbol in this._operators) { IExpression arithmeticExpr = TestExprFactory.GetExpression(types); arithmeticExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); arithmeticExpr.Operands["ds_1"].Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id2")); IDataStructure expectedStructure = arithmeticExpr.Operands[$"ds_1"].Structure.GetCopy(); for (int i = 0; i < expectedStructure.Measures.Count; i++) { BasicDataType dataType = arithmeticExpr.Operands[$"ds_2"].Structure.Measures[i].ValueDomain.DataType; if (dataType == BasicDataType.Number) { expectedStructure.Measures[i].ValueDomain = new ValueDomain(dataType); } if (expectedStructure.Measures[i].ValueDomain.DataType == BasicDataType.None) { expectedStructure.Measures[i].ValueDomain = new ValueDomain(BasicDataType.Integer); } } IDataStructure dataStructure = arithmeticExpr.OperatorDefinition.GetOutputStructure(arithmeticExpr); Assert.True(expectedStructure.EqualsObj(dataStructure)); } }
public void GetOutputStructure_CorrectDatasetCollectionExpr_BoolScalarStructure() { foreach (string opSymbol in this._operators) { IExpression collectionExpr = ModelResolvers.ExprResolver(); collectionExpr.Structure = ModelResolvers.DsResolver(); collectionExpr.OperatorDefinition = ModelResolvers.OperatorResolver("collection"); collectionExpr.Structure.Measures.Add(new StructureComponent(BasicDataType.Integer)); collectionExpr.Structure.Measures.Add(new StructureComponent(BasicDataType.Number)); collectionExpr.Structure.Measures.Add(new StructureComponent(BasicDataType.None)); IExpression inExpr = ModelResolvers.ExprResolver(); inExpr.AddOperand("ds_1", TestExprFactory.GetExpression(TestExprType.NumbersDataset)); inExpr.AddOperand("ds_2", collectionExpr); inExpr.Operands["ds_1"].Structure.Measures.RemoveAt(1); inExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); IExpression expected = TestExprFactory.GetExpression(TestExprType.BoolsDataset); expected.Structure.Measures.RemoveAt(1); IDataStructure dataStructure = inExpr.OperatorDefinition.GetOutputStructure(inExpr); Assert.True(expected.Structure.EqualsObj(dataStructure)); } }
public void GetOutputStructure_CorrectComponentTwoDatasetsJoinExpr_DurationScalarStructure() { foreach (string name in DatasetClauseOperator.ClauseNames.Where(name => !name.In("Pivot", "Unpivot", "Subspace"))) { IExpression joinExpr = ModelResolvers.JoinExprResolver(TestExprFactory.GetExpression("join", ExpressionFactoryNameTarget.OperatorSymbol)); IExpression ds1Expr = TestExprFactory.GetExpression("get", ExpressionFactoryNameTarget.OperatorSymbol); IExpression ds2Expr = TestExprFactory.GetExpression("get", ExpressionFactoryNameTarget.OperatorSymbol); IExpression clauseExpr = TestExprFactory.GetExpression(name, ExpressionFactoryNameTarget.ResultName); IExpression periodIndicatorExpr = TestExprFactory.GetExpression("period_indicator", ExpressionFactoryNameTarget.OperatorSymbol); IExpression paramExpr = TestExprFactory.GetExpression(TestExprType.TimePeriod); paramExpr.OperatorDefinition = ModelResolvers.OperatorResolver("#"); joinExpr.AddOperand("ds", ModelResolvers.ExprResolver()); joinExpr.Operands["ds"].AddOperand("ds_1", ds1Expr); joinExpr.Operands["ds"].AddOperand("ds_2", ds2Expr); joinExpr.AddOperand(name, clauseExpr); clauseExpr.AddOperand("ds_1", periodIndicatorExpr); periodIndicatorExpr.AddOperand("ds_1", paramExpr); ds1Expr.Structure = ModelResolvers.DsResolver(); ds1Expr.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id1")); ds1Expr.Structure.Identifiers.Add(new StructureComponent(BasicDataType.TimePeriod, "Id2")); ds1Expr.Structure.Measures.Add(new StructureComponent(BasicDataType.String, "Me1")); IDataStructure expectedStructure = ModelResolvers.DsResolver("duration_var", ComponentType.Measure, BasicDataType.Duration); IDataStructure dataStructure = periodIndicatorExpr.OperatorDefinition.GetOutputStructure(periodIndicatorExpr); Assert.True(expectedStructure.EqualsObj(dataStructure)); } }
public void GetOutputStructure_WrongComponentTwoDatasetsJoinExpr_DurationScalarStructure(bool isMemership, TestExprType type) { foreach (string name in DatasetClauseOperator.ClauseNames.Where(name => !name.In("Pivot", "Unpivot", "Subspace"))) { IExpression joinExpr = ModelResolvers.JoinExprResolver(TestExprFactory.GetExpression("join", ExpressionFactoryNameTarget.OperatorSymbol)); IExpression ds1Expr = TestExprFactory.GetExpression("get", ExpressionFactoryNameTarget.OperatorSymbol); IExpression ds2Expr = TestExprFactory.GetExpression("get", ExpressionFactoryNameTarget.OperatorSymbol); IExpression clauseExpr = TestExprFactory.GetExpression(name, ExpressionFactoryNameTarget.ResultName); IExpression periodIndicatorExpr = TestExprFactory.GetExpression("period_indicator", ExpressionFactoryNameTarget.OperatorSymbol); IExpression paramExpr = TestExprFactory.GetExpression(type); if (isMemership) { paramExpr.OperatorDefinition = ModelResolvers.OperatorResolver("#"); } joinExpr.AddOperand("ds", ModelResolvers.ExprResolver()); joinExpr.Operands["ds"].AddOperand("ds_1", ds1Expr); joinExpr.Operands["ds"].AddOperand("ds_2", ds2Expr); joinExpr.AddOperand(name, clauseExpr); clauseExpr.AddOperand("ds_1", periodIndicatorExpr); periodIndicatorExpr.AddOperand("ds_1", paramExpr); ds1Expr.Structure = ModelResolvers.DsResolver(); ds1Expr.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id1")); ds1Expr.Structure.Identifiers.Add(new StructureComponent((BasicDataType)type, "Id2")); ds1Expr.Structure.Measures.Add(new StructureComponent(BasicDataType.String, "Me1")); ds2Expr.Structure = ds1Expr.Structure.GetCopy(); Assert.ThrowsAny <VtlOperatorError>(() => { periodIndicatorExpr.OperatorDefinition.GetOutputStructure(periodIndicatorExpr); }); } }
public void GetOutputStructure_WrongArgExpr_ThrowsException() { TestExprType[][] correctCombs = new TestExprType[][] { new TestExprType[] { TestExprType.Boolean }, new TestExprType[] { TestExprType.None }, new TestExprType[] { TestExprType.BoolsDataset }, new TestExprType[] { TestExprType.NonesDataset }, }; TestExprType[][] combinations = Enum.GetValues(typeof(TestExprType)).Cast <TestExprType>().GetCombinations(1); TestExprType[][] wrongCombs = combinations.Without(correctCombs); foreach (TestExprType[] wrongComb in wrongCombs.Where(wrongComb => (int)wrongComb[0] < 18)) // No mixed datasets { IExpression notExpr = TestExprFactory.GetExpression(wrongComb); notExpr.OperatorDefinition = ModelResolvers.OperatorResolver("not"); if (notExpr.Operands["ds_1"].Structure.Measures.Count > 1) { notExpr.Operands["ds_1"].Structure.Measures.RemoveAt(1); } // Debug condition example: wrongComb[0] == TestExprType.Integer Assert.ThrowsAny <VtlOperatorError>(() => { notExpr.OperatorDefinition.GetOutputStructure(notExpr); }); } }
public void OperatorDefinition_Set_OperatorSymbolSet(string opSymbol) { Expression expr = new Expression(); expr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); Assert.Equal(opSymbol, expr.OperatorSymbol); }
public void GetOutputStructure_MultiMeasuresDatasetNScalarsExpr_ThrowsException(string opSymbol, params TestExprType[] types) { IExpression stringExpr = TestExprFactory.GetExpression(types); stringExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); Assert.ThrowsAny <VtlOperatorError>(() => { stringExpr.OperatorDefinition.GetOutputStructure(stringExpr); }); }
public void GetOutputStructure_MultiMeasuresDatasetExpr_ThrowsException(TestExprType type) { IExpression notExpr = TestExprFactory.GetExpression(new TestExprType[] { type }); notExpr.OperatorDefinition = ModelResolvers.OperatorResolver("not"); Assert.ThrowsAny <VtlOperatorError>(() => { notExpr.OperatorDefinition.GetOutputStructure(notExpr); }); }
public void GetOutputStructure_1MultiMeasuresDataset2CorrectScalarsArgsExpr_ThrowsException(params TestExprType[] types) { IExpression betweenExpr = TestExprFactory.GetExpression(types); betweenExpr.OperatorDefinition = ModelResolvers.OperatorResolver("between"); Assert.ThrowsAny <VtlOperatorError>(() => { betweenExpr.OperatorDefinition.GetOutputStructure(betweenExpr); }); }
public void GetOutputStructure_ScalarDatasetExpr_StringsDatasetStructure(string opSymbol, params TestExprType[] types) { IExpression stringExpr = TestExprFactory.GetExpression(types); stringExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); IDataStructure dataStructure = stringExpr.OperatorDefinition.GetOutputStructure(stringExpr); Assert.True(TestExprFactory.GetExpression(TestExprType.StringsDataset).Structure.EqualsObj(dataStructure)); }
public void GetOutputStructure_CorrectScalarsExpr_BoolScalarStructure(params TestExprType[] types) { IExpression stringExpr = TestExprFactory.GetExpression(types); stringExpr.OperatorDefinition = ModelResolvers.OperatorResolver("match_characters"); IDataStructure dataStructure = stringExpr.OperatorDefinition.GetOutputStructure(stringExpr); Assert.True(TestExprFactory.GetExpression(TestExprType.Boolean).Structure.EqualsObj(dataStructure)); }
public void GetOutputStructure_WrongExpr_ThrowsException(string exprText) { IExpression constExpr = ModelResolvers.ExprResolver(); constExpr.ExpressionText = exprText; constExpr.OperatorDefinition = ModelResolvers.OperatorResolver("const"); Assert.ThrowsAny <VtlOperatorError>(() => { constExpr.OperatorDefinition.GetOutputStructure(constExpr); }); }
public void GetOutputStructure_CorrectScalarExpr_BoolScalarStructure(TestExprType type) { IExpression notExpr = TestExprFactory.GetExpression(new TestExprType[] { type }); notExpr.OperatorDefinition = ModelResolvers.OperatorResolver("not"); IDataStructure dataStructure = notExpr.OperatorDefinition.GetOutputStructure(notExpr); Assert.True(TestExprFactory.GetExpression(TestExprType.Boolean).Structure.EqualsObj(dataStructure)); }
public void GetOutputStructure_Correct3ScalarsArgsExpr_BoolScalarStructure(params TestExprType[] types) { IExpression betweenExpr = TestExprFactory.GetExpression(types); betweenExpr.OperatorDefinition = ModelResolvers.OperatorResolver("between"); IDataStructure dataStructure = betweenExpr.OperatorDefinition.GetOutputStructure(betweenExpr); Assert.Equal(BasicDataType.Boolean, dataStructure.Components.First().ValueDomain.DataType); }
public void GetOutputStructure_CorrectScalarsExpr_NumberScalarStructure(string opSymbol, params TestExprType[] types) { IExpression numericExpr = TestExprFactory.GetExpression(types); numericExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); IDataStructure dataStructure = numericExpr.OperatorDefinition.GetOutputStructure(numericExpr); Assert.True(TestExprFactory.GetExpression(TestExprType.Number).Structure.EqualsObj(dataStructure)); }
public void GetOutputStructure_1MultiMeasuresDataset1CorrectScalarArgsExpr_ThrowsException(params TestExprType[] types) { foreach (string opSymbol in this._operators) { IExpression equalityExpr = TestExprFactory.GetExpression(types); equalityExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); Assert.ThrowsAny <VtlOperatorError>(() => { equalityExpr.OperatorDefinition.GetOutputStructure(equalityExpr); }); } }
public void GetOutputStructure_WrongOperatorKeyword_ThrowsException() { foreach (string opSymbol in this._operators) { IExpression compCreateExpr = TestExprFactory.GetExpression(TestExprType.Integer, TestExprType.Integer); compCreateExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); compCreateExpr.OperatorDefinition.Keyword = "wrong keyword"; Assert.ThrowsAny <VtlOperatorError>(() => { compCreateExpr.OperatorDefinition.GetOutputStructure(compCreateExpr); }); } }
public void GetOutputStructure_WrongScalarExpr_ThrowsException(TestExprType type) { IExpression periodIndicatorExpr = TestExprFactory.GetExpression("period_indicator", ExpressionFactoryNameTarget.OperatorSymbol); IExpression scalarExpr = TestExprFactory.GetExpression(type); scalarExpr.OperatorDefinition = ModelResolvers.OperatorResolver("const"); periodIndicatorExpr.AddOperand("ds_1", scalarExpr); Assert.ThrowsAny <VtlOperatorError>(() => { periodIndicatorExpr.OperatorDefinition.GetOutputStructure(periodIndicatorExpr); }); }
public void GetOutputStructure_WrongExpr_ThrowsException() { IExpression membershipExpr = TestExprFactory.GetExpression(TestExprType.IntsDataset, TestExprType.Integer); membershipExpr.Operands["ds_2"].ExpressionText = "Component"; membershipExpr.Operands["ds_2"].Structure.Components[0].ComponentName = "Component"; membershipExpr.OperatorDefinition = ModelResolvers.OperatorResolver("#"); membershipExpr.OperatorDefinition.Keyword = "Standard"; Assert.ThrowsAny <VtlOperatorError>(() => { membershipExpr.OperatorDefinition.GetOutputStructure(membershipExpr); }); }
public void GetOutputStructure_2NotMatchDatasetsExpr_ThrowsException(params TestExprType[] types) { foreach (string opSymbol in this._operators) { IExpression arithmeticExpr = TestExprFactory.GetExpression(types); arithmeticExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); arithmeticExpr.Operands["ds_1"].Structure.Measures.Add(new StructureComponent(BasicDataType.Integer, "Me3")); Assert.ThrowsAny <VtlOperatorError>(() => { arithmeticExpr.OperatorDefinition.GetOutputStructure(arithmeticExpr); }); } }
public void GetOutputStructure_Correct2ScalarsArgsExpr_BoolScalarStructure(params TestExprType[] types) { foreach (string opSymbol in this._operators) { IExpression equalityExpr = TestExprFactory.GetExpression(types); equalityExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); IDataStructure dataStructure = equalityExpr.OperatorDefinition.GetOutputStructure(equalityExpr); Assert.True(TestExprFactory.GetExpression(TestExprType.Boolean).Structure.EqualsObj(dataStructure)); } }
public void GetOutputStructure_WrongComponentType(ComponentType wrongType) { IExpression expr = ModelResolvers.ExprResolver(); expr.OperatorDefinition = ModelResolvers.OperatorResolver("sub"); IExpression operand = TestExprFactory.GetDatasetExpr(new KeyValuePair <ComponentType, BasicDataType>(wrongType, BasicDataType.Integer)); expr.AddOperand("ds_1", operand); Assert.ThrowsAny <Exception>(() => { expr.OperatorDefinition.GetOutputStructure(expr); }); }
public void GetOutputStructure_Correct2ScalarsExpr_BoolScalarStructre(params TestExprType[] types) { foreach (string opSymbol in this._operators) { IExpression boolExpr = TestExprFactory.GetExpression(types[0], types[1]); boolExpr.OperatorDefinition = ModelResolvers.OperatorResolver(opSymbol); IDataStructure dataStructure = boolExpr.OperatorDefinition.GetOutputStructure(boolExpr); Assert.Equal(BasicDataType.Boolean, dataStructure.Components.First().ValueDomain.DataType); } }
public void GetOutputStructure_CorrectExpr_CorrectScalarStructure(TestExprType expectedType, string exprText) { IExpression constExpr = ModelResolvers.ExprResolver(); constExpr.ExpressionText = exprText; constExpr.OperatorDefinition = ModelResolvers.OperatorResolver("const"); IDataStructure dataStructure = constExpr.OperatorDefinition.GetOutputStructure(constExpr); Assert.True(TestExprFactory.GetExpression(expectedType).Structure.EqualsObj(dataStructure)); }