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How to use CustomConstraint class of NUnit.Framework.Syntax package

Best Nunit code snippet using NUnit.Framework.Syntax.CustomConstraint

ArbitraryConstraintMatching.cs

Source:ArbitraryConstraintMatching.cs

...9{10    [TestFixture]11    public class ArbitraryConstraintMatching12    {13        Constraint custom = new CustomConstraint();14        Constraint another = new AnotherConstraint();15        [Test]16        public void CanMatchCustomConstraint()17        {18            IResolveConstraint constraint = new ConstraintExpression().Matches(custom);19            Assert.That(constraint.Resolve().ToString(), Is.EqualTo("<custom>"));20        }21        [Test]22        public void CanMatchCustomConstraintAfterPrefix()23        {24            IResolveConstraint constraint = Is.All.Matches(custom);25            Assert.That(constraint.Resolve().ToString(), Is.EqualTo("<all <custom>>"));26        }27        [Test]28        public void CanMatchCustomConstraintsUnderAndOperator()29        {30            IResolveConstraint constraint = Is.All.Matches(custom).And.Matches(another);31            Assert.That(constraint.Resolve().ToString(), Is.EqualTo("<all <and <custom> <another>>>"));32        }33#if CLR_2_0 || CLR_4_034        [Test]35        public void CanMatchPredicate()36        {37            IResolveConstraint constraint = new ConstraintExpression().Matches(new Predicate<int>(IsEven));38            Assert.That(constraint.Resolve().ToString(), Is.EqualTo("<predicate>"));39            Assert.That(42, constraint);40        }41        bool IsEven(int num)42        {43            return (num & 1) == 0;44        }45#if CS_3_0 || CS_4_0 || CS_5_046        [Test]47        public void CanMatchLambda()48        {49            IResolveConstraint constraint = new ConstraintExpression().Matches<int>( (x) => (x & 1) == 0);50            Assert.That(constraint.Resolve().ToString(), Is.EqualTo("<predicate>"));51            Assert.That(42, constraint);52        }53#endif54#endif55        class CustomConstraint : Constraint56        {57            public override bool Matches(object actual)58            {59                throw new NotImplementedException();60            }61            public override void WriteDescriptionTo(MessageWriter writer)62            {63                throw new NotImplementedException();64            }65        }66        class AnotherConstraint : CustomConstraint67        {68        }69    }70}...

CustomConstraint

Using AI Code Generation

1using NUnit.Framework.Syntax;2using NUnit.Framework;3using System;4{5    {6        public void TestCustomConstraintMethod()7        {8            string str = "Hello World";9            Assert.That(str, new CustomConstraint());10        }11    }12}13using NUnit.Framework.Syntax;14using NUnit.Framework;15using System;16{17    {18        public override bool Matches(object actual)19        {20            if (actual is string)21            {22                if (actual.ToString().Contains("Hello"))23                {24                    return true;25                }26            }27            return false;28        }29        public override void WriteDescriptionTo(MessageWriter writer)30        {31            writer.WritePredicate("Hello");32        }33    }34}

CustomConstraint

Using AI Code Generation

1using NUnit.Framework;2{3 {4 public void TestEmail1()5 {6 Assert.That("

Nunit tutorial

Nunit is a well-known open-source unit testing framework for C#. This framework is easy to work with and user-friendly. LambdaTest’s NUnit Testing Tutorial provides a structured and detailed learning environment to help you leverage knowledge about the NUnit framework. The NUnit tutorial covers chapters from basics such as environment setup to annotations, assertions, Selenium WebDriver commands, and parallel execution using the NUnit framework.

Chapters

NUnit Environment Setup - All the prerequisites and setup environments are provided to help you begin with NUnit testing.
NUnit With Selenium - Learn how to use the NUnit framework with Selenium for automation testing and its installation.
Selenium WebDriver Commands in NUnit - Leverage your knowledge about the top 28 Selenium WebDriver Commands in NUnit For Test Automation. It covers web browser commands, web element commands, and drop-down commands.
NUnit Parameterized Unit Tests - Tests on varied combinations may lead to code duplication or redundancy. This chapter discusses how NUnit Parameterized Unit Tests and their methods can help avoid code duplication.
NUnit Asserts - Learn about the usage of assertions in NUnit using Selenium
NUnit Annotations - Learn how to use and execute NUnit annotations for Selenium Automation Testing
Generating Test Reports In NUnit - Understand how to use extent reports and generate reports with NUnit and Selenium WebDriver. Also, look into how to capture screenshots in NUnit extent reports.
Parallel Execution In NUnit - Parallel testing helps to reduce time consumption while executing a test. Deep dive into the concept of Specflow Parallel Execution in NUnit.