KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use TryStringifyValue method of Atata.ImprovedExpressionStringBuilder class

Best Atata code snippet using Atata.ImprovedExpressionStringBuilder.TryStringifyValue

ImprovedExpressionStringBuilder.cs

Source:ImprovedExpressionStringBuilder.cs

...65        {66            Type underlyingType = Nullable.GetUnderlyingType(valueType) ?? valueType;67            return s_expressionValueStringifiers.Any(x => x.CanHandle(underlyingType));68        }69        private static bool TryStringifyValue(object value, Type valueType, out string result)70        {71            if (value is null)72            {73                result = "null";74                return true;75            }76            Type underlyingType = Nullable.GetUnderlyingType(valueType) ?? valueType;77            var stringifier = s_expressionValueStringifiers.FirstOrDefault(x => x.CanHandle(underlyingType));78            if (stringifier != null)79            {80                try81                {82                    result = stringifier.Handle(value);83                    return true;84                }85                catch86                {87                    // Do nothing here, just return false.88                }89            }90            result = null;91            return false;92        }93        protected override Expression VisitLambda<T>(Expression<T> node)94        {95            if (_expectLambdaVisit)96            {97                _expectLambdaVisit = false;98            }99            else100            {101                LambdaExpressionPart newLambda = new LambdaExpressionPart(CurrentLambda);102                CurrentLambda.Body.StartLambda(newLambda);103                CurrentLiteral = newLambda.Parameters;104                CurrentLambda = newLambda;105            }106            if (node.Parameters.Count == 1)107                Visit(node.Parameters[0]);108            else109                VisitExpressions('(', node.Parameters, ')');110            CurrentLiteral = CurrentLambda.Body.StartNewLiteral();111            Visit(node.Body);112            if (CurrentLambda.Parent != null)113            {114                CurrentLambda = CurrentLambda.Parent;115                CurrentLiteral = CurrentLambda.Body.StartNewLiteral();116            }117            return node;118        }119        protected override Expression VisitMember(MemberExpression node)120        {121            if (node.Member is FieldInfo)122            {123                if (CanStringifyValue(node.Type))124                {125                    object value = Expression.Lambda(node).Compile().DynamicInvoke();126                    if (TryStringifyValue(value, node.Type, out string valueAsString))127                    {128                        Out(valueAsString);129                        return node;130                    }131                }132                Out(node.Member.Name);133                return node;134            }135            return base.VisitMember(node);136        }137        private bool IsParameterExpression(Expression expression)138        {139            if (expression is ParameterExpression)140                return true;141            else if (expression is MemberExpression memberExpression)142                return IsParameterExpression(memberExpression.Expression);143            else144                return false;145        }146        protected override Expression VisitMemberInit(MemberInitExpression node)147        {148            VisitNewKnownType(node.NewExpression, alwaysAddParentheses: false);149            Out(" { ");150            for (int i = 0, n = node.Bindings.Count; i < n; i++)151            {152                if (i > 0)153                    Out(", ");154                VisitMemberBinding(node.Bindings[i]);155            }156            Out(" }");157            return node;158        }159        protected override Expression VisitMethodCall(MethodCallExpression node)160        {161            bool isExtensionMethod = Attribute.GetCustomAttribute(node.Method, typeof(ExtensionAttribute)) != null;162            if (node.Method.IsStatic && !isExtensionMethod && node.Method.DeclaringType != typeof(object))163            {164                OutStaticClass(node.Method.DeclaringType);165            }166            else if (IsIndexer(node))167            {168                if (node.Object != null)169                    Visit(node.Object);170                return VisitIndexerAsMethodCall(node);171            }172            return base.VisitMethodCall(node);173        }174        protected static bool IsIndexer(MethodCallExpression node) =>175            node.Method.IsSpecialName && (node.Method.Name == "get_Item" || node.Method.Name == "get_Chars") && node.Arguments.Any();176        protected Expression VisitIndexerAsMethodCall(MethodCallExpression node)177        {178            Out("[");179            for (int i = 0; i < node.Arguments.Count; i++)180            {181                if (i > 0)182                    Out(", ");183                Visit(node.Arguments[i]);184            }185            Out("]");186            return node;187        }188        private void OutStaticClass(Type type)189        {190            if (type.DeclaringType != null)191                OutStaticClass(type.DeclaringType);192            Out(type.Name);193            Out(".");194        }195        protected override Expression VisitMethodParameters(MethodCallExpression node, int startArgumentIndex)196        {197            ParameterInfo[] methodParameters = node.Method.GetParameters();198            for (int i = startArgumentIndex; i < node.Arguments.Count; i++)199            {200                if (i > startArgumentIndex)201                    Out(", ");202                ParameterInfo parameter = methodParameters[i];203                VisitMethodParameter(parameter, node.Arguments[i]);204            }205            return node;206        }207        private void VisitMethodParameter(ParameterInfo parameter, Expression argumentExpression)208        {209            if (argumentExpression is MemberExpression memberExpression && memberExpression.Member is FieldInfo)210            {211                if (parameter.IsOut)212                {213                    Out($"out {memberExpression.Member.Name}");214                    return;215                }216                else if (parameter.ParameterType.IsByRef)217                {218                    Out($"ref {memberExpression.Member.Name}");219                    return;220                }221            }222            Visit(argumentExpression);223        }224        protected override Expression VisitNewArray(NewArrayExpression node)225        {226            if (node.NodeType == ExpressionType.NewArrayInit)227            {228                Out("new[] ");229                VisitExpressions('{', node.Expressions, '}');230                return node;231            }232            return base.VisitNewArray(node);233        }234        protected override Expression VisitNew(NewExpression node)235        {236            return node.Type.Name.StartsWith("<>", StringComparison.Ordinal)237                ? VisitNewAnonymousType(node)238                : VisitNewKnownType(node);239        }240        private Expression VisitNewKnownType(NewExpression node, bool alwaysAddParentheses = true)241        {242            Out("new " + node.Type.Name);243            bool addParentheses = alwaysAddParentheses || node.Arguments.Count > 0;244            if (addParentheses)245                Out("(");246            OutArguments(node.Arguments, node.Members);247            if (addParentheses)248                Out(")");249            return node;250        }251        private Expression VisitNewAnonymousType(NewExpression node)252        {253            Out("new { ");254            if (node.Arguments.Count > 0)255            {256                OutArguments(node.Arguments, node.Members);257                Out(" ");258            }259            Out("}");260            return node;261        }262        private void OutArguments(ReadOnlyCollection<Expression> argumentExpressions, ReadOnlyCollection<MemberInfo> members)263        {264            for (int i = 0; i < argumentExpressions.Count; i++)265            {266                if (i > 0)267                    Out(", ");268                if (members != null)269                {270                    Out(members[i].Name);271                    Out(" = ");272                }273                Visit(argumentExpressions[i]);274            }275        }276        protected override Expression VisitBinary(BinaryExpression node)277        {278            if (node.NodeType == ExpressionType.AndAlso)279                CurrentLambda.Body.OperatorAndCount++;280            if (node.NodeType == ExpressionType.OrElse)281                CurrentLambda.Body.OperatorElseCount++;282            if (IsEnumComparison(node))283                return VisitEnumComparison(node);284            if (IsCharComparison(node))285                return VisitComparisonWithConvert(node, x => $"'{Convert.ToChar(x)}'");286            return base.VisitBinary(node);287        }288        private static bool IsCharComparison(BinaryExpression node) =>289            node.NodeType != ExpressionType.ArrayIndex && (IsCharComparison(node.Left, node.Right) || IsCharComparison(node.Right, node.Left));290        private static bool IsCharComparison(Expression left, Expression right) =>291            left.NodeType == ExpressionType.Convert292            && left.Type == typeof(int)293            && (left as UnaryExpression)?.Operand?.Type == typeof(char)294            && right.NodeType == ExpressionType.Constant295            && right.Type == typeof(int);296        private static bool IsEnumComparison(BinaryExpression node) =>297            node.NodeType != ExpressionType.ArrayIndex && (IsEnumComparison(node.Left, node.Right) || IsEnumComparison(node.Right, node.Left));298        private static bool IsEnumComparison(Expression left, Expression right) =>299            left.NodeType == ExpressionType.Convert300            && left.Type.IsPrimitive301            && left.Type == right.Type302            && ((left as UnaryExpression)?.Operand.Type.IsEnum ?? false)303            && right.NodeType == ExpressionType.Constant;304        private Expression VisitEnumComparison(BinaryExpression node)305        {306            Type enumType = ((node.Left as UnaryExpression) ?? (node.Right as UnaryExpression))?.Operand.Type;307            return VisitComparisonWithConvert(308                node,309                x => ((Enum)Enum.ToObject(enumType, x)).ToExpressionValueString(wrapCombinationalValueWithParentheses: true));310        }311        private Expression VisitComparisonWithConvert(BinaryExpression node, Func<object, string> valueConverter)312        {313            void OutPart(Expression part)314            {315                if (part is ConstantExpression constantExpression)316                    Out(valueConverter.Invoke(constantExpression.Value));317                else318                    Visit(part);319            }320            Out('(');321            OutPart(node.Left);322            Out(' ');323            Out(GetBinaryOperator(node.NodeType));324            Out(' ');325            OutPart(node.Right);326            Out(')');327            return node;328        }329        protected override Expression VisitUnary(UnaryExpression node)330        {331            switch (node.NodeType)332            {333                case ExpressionType.Convert:334                case ExpressionType.ConvertChecked:335                    Visit(node.Operand);336                    return node;337                default:338                    return base.VisitUnary(node);339            }340        }341        protected override Expression VisitConstant(ConstantExpression node)342        {343            if (TryStringifyValue(node.Value, node.Type, out string valueAsString))344            {345                Out(valueAsString);346                return node;347            }348            return base.VisitConstant(node);349        }350        public override string ToString()351        {352            return CurrentLambda.ToString();353        }354    }355}...

TryStringifyValue

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Atata;7{8    {9        static void Main(string[] args)10        {11            var propertyExpression = new UIComponent().Get(x => x.Content);12            string propertyString = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(propertyExpression);13            Console.WriteLine(propertyString);14            Console.ReadKey();15        }16    }17}

TryStringifyValue

Using AI Code Generation

1using OpenQA.Selenium;2using Atata;3using System;4using System.Linq.Expressions;5{6    {7        static void Main(string[] args)8        {9            var driver = new ChromeDriver();10            var control = new Control(driver, By.ClassName("test"));11            var expression = (Expression<Func<Control, object>>)(x => x.Value);12            var expressionString = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expression.Body);13            Console.WriteLine(expressionString);14        }15    }16}17using OpenQA.Selenium;18using Atata;19using System;20using System.Linq.Expressions;21{22    {23        static void Main(string[] args)24        {25            var driver = new ChromeDriver();26            var control = new Control(driver, By.ClassName("test"));27            var expression = (Expression<Func<Control, object>>)(x => x.Value);28            var expressionString = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expression.Body);29            Console.WriteLine(expressionString);30        }31    }32}33using OpenQA.Selenium;34using Atata;35using System;36using System.Linq.Expressions;37{38    {39        static void Main(string[] args)40        {41            var driver = new ChromeDriver();42            var control = new Control(driver, By.ClassName("test"));43            var expression = (Expression<Func<Control, object>>)(x => x.Value);44            var expressionString = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expression.Body);45            Console.WriteLine(expressionString);46        }47    }48}49using OpenQA.Selenium;50using Atata;51using System;52using System.Linq.Expressions;53{54    {55        static void Main(string[] args)56        {57            var driver = new ChromeDriver();58            var control = new Control(driver, By.ClassName("test"));59            var expression = (Expression<Func<Control, object>>)(x => x.Value);60            var expressionString = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expression.Body);

TryStringifyValue

Using AI Code Generation

1public void TestMethod1()2{3    var stringBuilder = new Atata.ImprovedExpressionStringBuilder();4    var result = stringBuilder.TryStringifyValue(5, out string stringValue);5    Assert.IsTrue(result);6    Assert.AreEqual("5", stringValue);7}8public void TestMethod1()9{10    var stringBuilder = new Atata.ImprovedExpressionStringBuilder();11    var result = stringBuilder.TryStringifyValue(5.1, out string stringValue);12    Assert.IsTrue(result);13    Assert.AreEqual("5.1", stringValue);14}15public void TestMethod1()16{17    var stringBuilder = new Atata.ImprovedExpressionStringBuilder();18    var result = stringBuilder.TryStringifyValue(5.1m, out string stringValue);19    Assert.IsTrue(result);20    Assert.AreEqual("5.1", stringValue);21}

TryStringifyValue

Using AI Code Generation

1var builder = new Atata.ImprovedExpressionStringBuilder();2var value = builder.TryStringifyValue(x => x);3Console.WriteLine(value);4var builder = new Atata.ImprovedExpressionStringBuilder();5var value = builder.TryStringifyValue(x => x);6Console.WriteLine(value);7var builder = new Atata.ImprovedExpressionStringBuilder();8var value = builder.TryStringifyValue(x => x);9Console.WriteLine(value);10var builder = new Atata.ImprovedExpressionStringBuilder();11var value = builder.TryStringifyValue(x => x);12Console.WriteLine(value);13var builder = new Atata.ImprovedExpressionStringBuilder();14var value = builder.TryStringifyValue(x => x);15Console.WriteLine(value);16var builder = new Atata.ImprovedExpressionStringBuilder();17var value = builder.TryStringifyValue(x => x);18Console.WriteLine(value);19var builder = new Atata.ImprovedExpressionStringBuilder();20var value = builder.TryStringifyValue(x => x);21Console.WriteLine(value);22var builder = new Atata.ImprovedExpressionStringBuilder();23var value = builder.TryStringifyValue(x => x);24Console.WriteLine(value);25var builder = new Atata.ImprovedExpressionStringBuilder();26var value = builder.TryStringifyValue(x => x);27Console.WriteLine(value);28var builder = new Atata.ImprovedExpressionStringBuilder();29var value = builder.TryStringifyValue(x => x);30Console.WriteLine(value);31var builder = new Atata.ImprovedExpressionStringBuilder();32var value = builder.TryStringifyValue(x => x);33Console.WriteLine(value);

TryStringifyValue

Using AI Code Generation

1using Atata;2{3    {4        public static void Main()5        {6                .TryStringifyValue(() => 5);7            System.Console.WriteLine(result);8        }9    }10}11using Atata;12{13    {14        public static void Main()15        {16                .TryStringifyValue(() => new { Text = "Some text" });17            System.Console.WriteLine(result);18        }19    }20}21using Atata;22{23    {24        public static void Main()25        {26                .TryStringifyValue(() => new[] { 1, 2, 3 });27            System.Console.WriteLine(result);28        }29    }30}31using Atata;32{33    {34        public static void Main()35        {36                .TryStringifyValue(() => new[] { 1, 2, 3 }.Select(x => x + 1));37            System.Console.WriteLine(result);38        }39    }40}41using Atata;42{43    {44        public static void Main()45        {46                .TryStringifyValue(() => new[] { 1, 2, 3 }.Select(x => x + 1).ToArray());

TryStringifyValue

Using AI Code Generation

1public void Test()2{3    var builder = new Atata.ImprovedExpressionStringBuilder();4    string result = builder.TryStringifyValue(5);5    Assert.AreEqual("5", result);6}7public void Test()8{9    var builder = new Atata.ImprovedExpressionStringBuilder();10    string result = builder.TryStringifyValue(5.1);11    Assert.AreEqual("5.1", result);12}13public void Test()14{15    var builder = new Atata.ImprovedExpressionStringBuilder();16    string result = builder.TryStringifyValue(5.1m);17    Assert.AreEqual("5.1", result);18}

TryStringifyValue

Using AI Code Generation

1{2    {3        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()4        {5            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;6            return this;7        }8    }9}10{11    {12        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()13        {14            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;15            return this;16        }17    }18}19{20    {21        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()22        {23            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;24            return this;25        }26    }27}28{29    {30        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()31        {32            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;33            return this;34        }35    }36}37{38    {39        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()40        {41            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;42            return this;43        }44    }45}46{47    {48        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()49        {50            LogNUnit = TestExecutionContext.CurrentContext.Test.Name;51            return this;52        }53    }54}55{56    {57        public AtataContextBuilder UseNUnitTestNameAsLogNUnit()

TryStringifyValue

Using AI Code Generation

1using Atata;2using NUnit.Framework;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        private static string _expectedValue = "Expected value";11        private static string _actualValue = "Actual value";12        public void _5()13        {14            var expected = _expectedValue;15            var actual = _actualValue;16            var result = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expected, actual, out string expectedString, out string actualString);17            Assert.That(result, Is.True);18            Assert.That(expectedString, Is.EqualTo($"\"{_expectedValue}\""));19            Assert.That(actualString, Is.EqualTo($"\"{_actualValue}\""));20        }21    }22}23using Atata;24using NUnit.Framework;25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30{31    {32        private static string _expectedValue = "Expected value";33        private static string _actualValue = "Actual value";34        public void _6()35        {36            var expected = _expectedValue;37            var actual = _actualValue;38            var result = Atata.ImprovedExpressionStringBuilder.TryStringifyValue(expected, actual, out string expectedString, out string actualString);39            Assert.That(result, Is.True);40            Assert.That(expectedString, Is.EqualTo($"\"{_expectedValue}\""));41            Assert.That(actualString, Is.EqualTo($"\"{_actualValue}\""));42        }43    }44}45using Atata;46using NUnit.Framework;47using System;48using System.Collections.Generic;49using System.Linq;50using System.Text;51using System.Threading.Tasks;52{53    {

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.