Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
NBi
NBi.Core.Sequence.Transformation.Aggregation.Strategy
DropStrategy

How to use DropStrategy class of NBi.Core.Sequence.Transformation.Aggregation.Strategy package

Best NBi code snippet using NBi.Core.Sequence.Transformation.Aggregation.Strategy.DropStrategy

DropStrategyTest.cs

Source:DropStrategyTest.cs

...7using System.Text;8using System.Threading.Tasks;9namespace NBi.Testing.Unit.Core.Sequence.Transformation.Strategy10{11    public class DropStrategyTest12    {13        [Test]14        public void Execute_NothingToDrop_NothingDropped()15        {16            var list = new List<object>() { 1, 3, 5 };17            var strategy = new DropStrategy(ColumnType.Numeric);18            Assert.That(strategy.Execute(list).Count, Is.EqualTo(3));19        }20        [Test]21        public void Execute_NothingToDropEvenIfText_NothingDropped()22        {23            var list = new List<object>() { "1", "3", "5" };24            var strategy = new DropStrategy(ColumnType.Numeric);25            Assert.That(strategy.Execute(list).Count, Is.EqualTo(3));26        }27        [Test]28        public void Execute_NothingToDrop_SameValues()29        {30            var list = new List<object>() { 1, 3, 5 };31            var strategy = new DropStrategy(ColumnType.Numeric);32            Assert.That(strategy.Execute(list), Has.Member(1));33            Assert.That(strategy.Execute(list), Has.Member(3));34            Assert.That(strategy.Execute(list), Has.Member(5));35        }36        [Test]37        public void Execute_Blank_BlankDropped()38        {39            var list = new List<object>() { 1, "(blank)", 3, 5 };40            var strategy = new DropStrategy(ColumnType.Numeric);41            Assert.That(strategy.Execute(list).Count, Is.EqualTo(3));42            Assert.That(strategy.Execute(list), Has.Member(1));43            Assert.That(strategy.Execute(list), Has.Member(3));44            Assert.That(strategy.Execute(list), Has.Member(5));45        }46        [Test]47        public void Execute_Null_NullDropped()48        {49            var list = new List<object>() { 1, 3, 5, null };50            var strategy = new DropStrategy(ColumnType.Numeric);51            Assert.That(strategy.Execute(list).Count, Is.EqualTo(3));52            Assert.That(strategy.Execute(list), Has.Member(1));53            Assert.That(strategy.Execute(list), Has.Member(3));54            Assert.That(strategy.Execute(list), Has.Member(5));55        }56        [Test]57        public void Execute_NumericForText_NullDroppedButNumericHeld()58        {59            var list = new List<object>() { "foo", "bar", 1, null };60            var strategy = new DropStrategy(ColumnType.Text);61            Assert.That(strategy.Execute(list).Count, Is.EqualTo(3));62            Assert.That(strategy.Execute(list), Has.Member("foo"));63            Assert.That(strategy.Execute(list), Has.Member("bar"));64            Assert.That(strategy.Execute(list), Has.Member("1"));65        }66    }67}

AggregationFactory.cs

Source:AggregationFactory.cs

...13    public class AggregationFactory14    {15        public Aggregation Instantiate(ColumnType columnType, AggregationFunctionType function, IScalarResolver[] parameters, IAggregationStrategy[] strategies)16        {17            var missingValue = (IMissingValueStrategy)(strategies.SingleOrDefault(x => x is IMissingValueStrategy) ?? new DropStrategy(columnType));18            var emptySeries = (IEmptySeriesStrategy)(strategies.SingleOrDefault(x => x is IEmptySeriesStrategy) ?? new ReturnDefaultStrategy(columnType));19            var @namespace = $"{this.GetType().Namespace}.Function.";20            var typeName = $"{Enum.GetName(typeof(AggregationFunctionType), function)}{Enum.GetName(typeof(ColumnType), columnType)}";21            var type = GetType().Assembly.GetType($"{@namespace}{typeName}", false, true) ?? throw new ArgumentException($"No aggregation named '{typeName}' has been found in the namespace '{@namespace}'.");22            if ((parameters?.Count() ?? 0) == 0)23                return new Aggregation((IAggregationFunction)(type.GetConstructor(Type.EmptyTypes).Invoke(Array.Empty<object>())), missingValue, emptySeries);24            else25            {26                var ctor = type.GetConstructors().Where(x => x.IsPublic && (x.GetParameters().Count() == parameters.Count())).FirstOrDefault()27                    ?? throw new ArgumentException($"No public constructor for the aggregation '{function}' expecting {parameters.Count()} parameters.");28                return new Aggregation((IAggregationFunction)ctor.Invoke(parameters), missingValue, emptySeries);29            }30        }31        public Aggregation Instantiate(AggregationArgs args)...

DropStrategy.cs

Source:DropStrategy.cs

...6using System.Text;7using System.Threading.Tasks;8namespace NBi.Core.Sequence.Transformation.Aggregation.Strategy9{10    public class DropStrategy : IMissingValueStrategy11    {12        private ColumnType ColumnType { get; }13        public DropStrategy(ColumnType columnType)14            => ColumnType = columnType;15        public IEnumerable<object> Execute(IEnumerable<object> values)16        {17            var caster = new CasterFactory().Instantiate(ColumnType);18            return values.Where(x => caster.IsValid(x) && x!=null).Select(x => caster.Execute(x)).Cast<object>();19        }20    }21}...

DropStrategy

Using AI Code Generation

1using NBi.Core.Sequence.Transformation.Aggregation.Strategy;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var dropStrategy = new DropStrategy();12            var result = dropStrategy.Execute(new[] { 1, 2, 3, 4, 5 }, 2);13            foreach (var item in result)14            {15                Console.WriteLine(item);16            }17            Console.ReadLine();18        }19    }20}

DropStrategy

Using AI Code Generation

1var strategy = new DropStrategy(2);2var aggregator = new Aggregator(strategy);3var result = aggregator.Execute(values);4var strategy = new DropStrategy(2);5var aggregator = new Aggregator(strategy);6var result = aggregator.Execute(values);7var strategy = new DropStrategy(2);8var aggregator = new Aggregator(strategy);9var result = aggregator.Execute(values);10var strategy = new DropStrategy(2);11var aggregator = new Aggregator(strategy);12var result = aggregator.Execute(values);13var strategy = new DropStrategy(2);14var aggregator = new Aggregator(strategy);15var result = aggregator.Execute(values);16var strategy = new DropStrategy(2);17var aggregator = new Aggregator(strategy);18var result = aggregator.Execute(values);19var strategy = new DropStrategy(2);20var aggregator = new Aggregator(strategy);21var result = aggregator.Execute(values);22var strategy = new DropStrategy(2);23var aggregator = new Aggregator(strategy);24var result = aggregator.Execute(values);25var strategy = new DropStrategy(2);26var aggregator = new Aggregator(strategy);27var result = aggregator.Execute(values);28var strategy = new DropStrategy(2);29var aggregator = new Aggregator(strategy);30var result = aggregator.Execute(values);

DropStrategy

Using AI Code Generation

1var strategy = new DropStrategy();2var result = strategy.Execute(new List<object> { 1, 2, 3, 4, 5 }, 2);3Console.WriteLine(string.Join(", ", result));4var strategy = new DropStrategy();5var result = strategy.Execute(new List<object> { 1, 2, 3, 4, 5 }, 2);6Console.WriteLine(string.Join(", ", result));7Can you run the .cs file from the command line? (e.g. C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe 2.cs)8Is it possible that you have a different version of .NET installed on your machine? (e.g. 4.5 instead of 4.0)9Can you run the .cs file from the command line? (e.g. C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe 2.cs) Is it possible that you have a different version of .NET installed on your machine? (e.g. 4.5 instead of 4.0)

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.