{"id":1903,"date":"2024-06-16T11:03:21","date_gmt":"2024-06-16T11:03:21","guid":{"rendered":"https:\/\/www.w3computing.com\/articles\/?p=1903"},"modified":"2024-06-16T11:04:10","modified_gmt":"2024-06-16T11:04:10","slug":"building-csharp-test-framework-creating-custom-testing-tools","status":"publish","type":"post","link":"https:\/\/www.w3computing.com\/articles\/building-csharp-test-framework-creating-custom-testing-tools\/","title":{"rendered":"Building a C# Test Framework: Creating Custom Testing Tools"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Creating a custom test framework in C# can be an enlightening and rewarding experience. Not only does it enhance your understanding of testing principles, but it also allows you to tailor the framework to meet your specific needs. In this tutorial, we will guide you through the process of building a C# test framework from scratch, focusing on creating custom testing tools.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Introduction to Test Frameworks<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A test framework provides a structured way to write and execute tests. It typically includes components like test cases, test runners, and assertions. Popular C# test frameworks include NUnit, xUnit, and MSTest. However, building a custom framework can give you greater control and flexibility.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Concepts<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Test Case<\/strong>: A single unit of testing.<\/li>\n\n\n\n<li><strong>Test Runner<\/strong>: Executes test cases and collects results.<\/li>\n\n\n\n<li><strong>Assertions<\/strong>: Validate test outcomes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Setting Up the Development Environment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before we start coding, let&#8217;s set up our development environment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tools Required<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Visual Studio<\/strong>: An integrated development environment (IDE) for C#.<\/li>\n\n\n\n<li><strong>.NET SDK<\/strong>: The software development kit for .NET.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Steps<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Install Visual Studio<\/strong>: Download and install <a href=\"https:\/\/visualstudio.microsoft.com\/\">Visual Studio<\/a>.<\/li>\n\n\n\n<li><strong>Install .NET SDK<\/strong>: Download and install the <a href=\"https:\/\/dotnet.microsoft.com\/download\">latest .NET SDK<\/a>.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">3. Designing the Test Framework<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Designing the test framework involves defining the structure and components. We&#8217;ll start with a simple framework and gradually add more features.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Components<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Test Case<\/strong>: Represents an individual test.<\/li>\n\n\n\n<li><strong>Test Runner<\/strong>: Manages the execution of tests.<\/li>\n\n\n\n<li><strong>Assertions<\/strong>: Provides methods to verify test results.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">4. Implementing the Core Components<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s dive into the implementation of the core components.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test Cases<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Create a base class for test cases.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">abstract<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">TestCase<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">abstract<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Run<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>;\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Test Runner<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The test runner will execute all test cases and collect results.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">TestRunner<\/span>\n{\n    <span class=\"hljs-keyword\">private<\/span> List&lt;TestCase&gt; _testCases = <span class=\"hljs-keyword\">new<\/span> List&lt;TestCase&gt;();\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">AddTest<\/span>(<span class=\"hljs-params\">TestCase testCase<\/span>)<\/span>\n    {\n        _testCases.Add(testCase);\n    }\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">RunAllTests<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> testCase <span class=\"hljs-keyword\">in<\/span> _testCases)\n        {\n            <span class=\"hljs-keyword\">try<\/span>\n            {\n                testCase.Run();\n                Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Passed\"<\/span>);\n            }\n            <span class=\"hljs-keyword\">catch<\/span> (Exception ex)\n            {\n                Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Failed - <span class=\"hljs-subst\">{ex.Message}<\/span>\"<\/span>);\n            }\n        }\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Assertions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Assertions are used to verify test results.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Assert<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">IsTrue<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">bool<\/span> condition, <span class=\"hljs-keyword\">string<\/span> message = <span class=\"hljs-string\">\"Assertion failed\"<\/span><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">if<\/span> (!condition)\n        {\n            <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> Exception(message);\n        }\n    }\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">AreEqual<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">object<\/span> expected, <span class=\"hljs-keyword\">object<\/span> actual, <span class=\"hljs-keyword\">string<\/span> message = <span class=\"hljs-string\">\"Assertion failed\"<\/span><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">if<\/span> (!expected.Equals(actual))\n        {\n            <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> Exception(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{message}<\/span>: Expected <span class=\"hljs-subst\">{expected}<\/span>, but got <span class=\"hljs-subst\">{actual}<\/span>\"<\/span>);\n        }\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Example Test Case<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s create an example test case.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">SampleTest<\/span> : <span class=\"hljs-title\">TestCase<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">override<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Run<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        Assert.IsTrue(<span class=\"hljs-number\">1<\/span> + <span class=\"hljs-number\">1<\/span> == <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-string\">\"Math is broken\"<\/span>);\n        Assert.AreEqual(<span class=\"hljs-string\">\"Hello\"<\/span>, <span class=\"hljs-string\">\"Hello\"<\/span>, <span class=\"hljs-string\">\"Strings are not equal\"<\/span>);\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Running the Tests<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, create a main method to run the tests.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Program<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Main<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">string<\/span>&#91;] args<\/span>)<\/span>\n    {\n        TestRunner runner = <span class=\"hljs-keyword\">new<\/span> TestRunner();\n        runner.AddTest(<span class=\"hljs-keyword\">new<\/span> SampleTest());\n        runner.RunAllTests();\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\">5. Enhancing the Framework<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Now that we have a basic framework, let&#8217;s enhance it with more features.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test Suites<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A test suite groups multiple test cases.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">TestSuite<\/span>\n{\n    <span class=\"hljs-keyword\">private<\/span> List&lt;TestCase&gt; _testCases = <span class=\"hljs-keyword\">new<\/span> List&lt;TestCase&gt;();\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">AddTest<\/span>(<span class=\"hljs-params\">TestCase testCase<\/span>)<\/span>\n    {\n        _testCases.Add(testCase);\n    }\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Run<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> testCase <span class=\"hljs-keyword\">in<\/span> _testCases)\n        {\n            <span class=\"hljs-keyword\">try<\/span>\n            {\n                testCase.Run();\n                Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Passed\"<\/span>);\n            }\n            <span class=\"hljs-keyword\">catch<\/span> (Exception ex)\n            {\n                Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Failed - <span class=\"hljs-subst\">{ex.Message}<\/span>\"<\/span>);\n            }\n        }\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Reporting<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Generate a report of test results.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">TestReporter<\/span>\n{\n    <span class=\"hljs-keyword\">private<\/span> List&lt;<span class=\"hljs-keyword\">string<\/span>&gt; _results = <span class=\"hljs-keyword\">new<\/span> List&lt;<span class=\"hljs-keyword\">string<\/span>&gt;();\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">AddResult<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">string<\/span> result<\/span>)<\/span>\n    {\n        _results.Add(result);\n    }\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">GenerateReport<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> result <span class=\"hljs-keyword\">in<\/span> _results)\n        {\n            Console.WriteLine(result);\n        }\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Logging<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Add logging capabilities to track test execution.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Logger<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Log<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">string<\/span> message<\/span>)<\/span>\n    {\n        Console.WriteLine(<span class=\"hljs-string\">$\"LOG: <span class=\"hljs-subst\">{message}<\/span>\"<\/span>);\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Example Enhanced Test Runner<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s how you can integrate these enhancements.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">EnhancedTestRunner<\/span>\n{\n    <span class=\"hljs-keyword\">private<\/span> List&lt;TestCase&gt; _testCases = <span class=\"hljs-keyword\">new<\/span> List&lt;TestCase&gt;();\n    <span class=\"hljs-keyword\">private<\/span> TestReporter _reporter = <span class=\"hljs-keyword\">new<\/span> TestReporter();\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">AddTest<\/span>(<span class=\"hljs-params\">TestCase testCase<\/span>)<\/span>\n    {\n        _testCases.Add(testCase);\n    }\n\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">RunAllTests<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> testCase <span class=\"hljs-keyword\">in<\/span> _testCases)\n        {\n            <span class=\"hljs-keyword\">try<\/span>\n            {\n                testCase.Run();\n                _reporter.AddResult(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Passed\"<\/span>);\n            }\n            <span class=\"hljs-keyword\">catch<\/span> (Exception ex)\n            {\n                _reporter.AddResult(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{testCase.GetType().Name}<\/span>: Failed - <span class=\"hljs-subst\">{ex.Message}<\/span>\"<\/span>);\n            }\n        }\n        _reporter.GenerateReport();\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\">6. Advanced Features<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Parameterized Tests<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Allow tests to be run with different inputs.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">abstract<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">ParameterizedTestCase<\/span> : <span class=\"hljs-title\">TestCase<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">abstract<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Run<\/span>(<span class=\"hljs-params\"><span class=\"hljs-keyword\">params<\/span> <span class=\"hljs-keyword\">object<\/span>&#91;] parameters<\/span>)<\/span>;\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Mocking<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mocking is useful for isolating test cases by simulating dependencies.<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"C#\" data-shcb-language-slug=\"cs\"><span><code class=\"hljs language-cs\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MockService<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">virtual<\/span> <span class=\"hljs-keyword\">string<\/span> <span class=\"hljs-title\">GetData<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"Real data\"<\/span>;\n    }\n}\n\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">MockServiceTest<\/span> : <span class=\"hljs-title\">TestCase<\/span>\n{\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">override<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Run<\/span>(<span class=\"hljs-params\"><\/span>)<\/span>\n    {\n        <span class=\"hljs-keyword\">var<\/span> mockService = <span class=\"hljs-keyword\">new<\/span> MockService();\n        Assert.AreEqual(<span class=\"hljs-string\">\"Real data\"<\/span>, mockService.GetData(), <span class=\"hljs-string\">\"Mock service failed\"<\/span>);\n    }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">C#<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">cs<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h3 class=\"wp-block-heading\">Integration with CI\/CD<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Integrate your test framework with continuous integration\/continuous deployment (CI\/CD) pipelines to automate testing.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Example GitHub Actions Workflow<\/h4>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"YAML\" data-shcb-language-slug=\"yaml\"><span><code class=\"hljs language-yaml\"><span class=\"hljs-attr\">name:<\/span> <span class=\"hljs-string\">.NET<\/span> <span class=\"hljs-string\">Test<\/span>\n\n<span class=\"hljs-attr\">on:<\/span> <span class=\"hljs-string\">&#91;push,<\/span> <span class=\"hljs-string\">pull_request]<\/span>\n\n<span class=\"hljs-attr\">jobs:<\/span>\n  <span class=\"hljs-attr\">build:<\/span>\n    <span class=\"hljs-attr\">runs-on:<\/span> <span class=\"hljs-string\">ubuntu-latest<\/span>\n\n    <span class=\"hljs-attr\">steps:<\/span>\n    <span class=\"hljs-bullet\">-<\/span> <span class=\"hljs-attr\">uses:<\/span> <span class=\"hljs-string\">actions\/checkout@v2<\/span>\n    <span class=\"hljs-bullet\">-<\/span> <span class=\"hljs-attr\">name:<\/span> <span class=\"hljs-string\">Setup<\/span> <span class=\"hljs-string\">.NET<\/span>\n      <span class=\"hljs-attr\">uses:<\/span> <span class=\"hljs-string\">actions\/setup-dotnet@v1<\/span>\n      <span class=\"hljs-attr\">with:<\/span>\n        <span class=\"hljs-attr\">dotnet-version:<\/span> <span class=\"hljs-string\">'5.0.x'<\/span>\n    <span class=\"hljs-bullet\">-<\/span> <span class=\"hljs-attr\">name:<\/span> <span class=\"hljs-string\">Restore<\/span> <span class=\"hljs-string\">dependencies<\/span>\n      <span class=\"hljs-attr\">run:<\/span> <span class=\"hljs-string\">dotnet<\/span> <span class=\"hljs-string\">restore<\/span>\n    <span class=\"hljs-bullet\">-<\/span> <span class=\"hljs-attr\">name:<\/span> <span class=\"hljs-string\">Build<\/span>\n      <span class=\"hljs-attr\">run:<\/span> <span class=\"hljs-string\">dotnet<\/span> <span class=\"hljs-string\">build<\/span> <span class=\"hljs-string\">--no-restore<\/span>\n    <span class=\"hljs-bullet\">-<\/span> <span class=\"hljs-attr\">name:<\/span> <span class=\"hljs-string\">Test<\/span>\n      <span class=\"hljs-attr\">run:<\/span> <span class=\"hljs-string\">dotnet<\/span> <span class=\"hljs-string\">test<\/span> <span class=\"hljs-string\">--no-build<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">YAML<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">yaml<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Building a custom test framework in C# allows you to create a testing environment tailored to your needs. We&#8217;ve covered the basics of setting up the development environment, designing the framework, implementing core components, and adding advanced features. This tutorial serves as a foundation, and you can further extend the framework with additional functionalities as required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By following this tutorial, you should have a solid understanding of the principles and practices involved in creating a custom test framework in C#.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Creating a custom test framework in C# can be an enlightening and rewarding experience. Not only does it enhance your understanding of testing principles, but it also allows you to tailor the framework to meet your specific needs. In this tutorial, we will guide you through the process of building a C# test framework from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8,4],"tags":[],"class_list":["post-1903","post","type-post","status-publish","format-standard","category-csharp","category-programming-languages","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Building a C# Test Framework: Creating Custom Testing Tools<\/title>\n<meta name=\"description\" content=\"Creating a custom test framework in C# can be an enlightening and rewarding experience. 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