Merge pull request #14690 from Mikejo5000/mikejo-br26

Update versioning related to create unit tests command

Author: prmerger-automator[bot]

docs/test/create-unit-tests-menu.md

@@ -1,14 +1,15 @@
 ---
 title: Create unit test method stubs
 description: Learn how to use the Create Unit Tests command, which allows easy configuration of a test project, the test class, and the test method stub within it.
-ms.date: 12/04/2023
+ms.date: 11/25/2025
 ms.topic: how-to
 helpviewer_keywords: 
   - unit testing, create unit tests
 author: mikejo5000
 ms.author: mikejo
 manager: mijacobs
 ms.subservice: test-tools
+monikerRange: '<= vs-2022'
 ---
 # Create unit test method stubs from code
 

docs/test/improve-code-quality.md

@@ -41,18 +41,19 @@ Visual Studio is also extensible and opens the door for third-party unit testing
 > [!NOTE]
 > Live unit testing is available in Enterprise edition only and is only supported for .NET code.
 
-## IntelliTest
+::: moniker range="visualstudio"
+## AI tools to generate tests
 
-IntelliTest automatically generates unit tests and test data for your managed code. IntelliTest improves coverage and dramatically reduces the effort to create and maintain unit tests for new or existing code.
+Starting in Visual Studio 2026 Insiders build, you can use GitHub Copilot testing for .NET to automatically generate unit tests. GitHub Copilot testing for .NET not only generates the tests, but debugs the tests, and runs them in Test Explorer.  For more information, see [Overview of GitHub Copilot testing for .NET](../test/github-copilot-test-dotnet-overview.md). This is the recommended method to generate tests.
 
-![IntelliTest in action](media/devtest-intellitest.png)
+Alternatively, you can use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
+::: moniker-end
 
-> [!NOTE]
-> IntelliTest is available in Enterprise edition only. It is supported for C# code that targets the .NET Framework. .NET Core and .NET Standard are not currently supported.
+::: moniker range="=vs-2022"
+## AI tools to generate tests
 
-* [Generate unit tests for your code with IntelliTest](generate-unit-tests-for-your-code-with-intellitest.md)
-* [IntelliTest – One test to rule them all](https://devblogs.microsoft.com/devops/intellitest-one-test-to-rule-them-all/)
-* [IntelliTest reference manual](intellitest-manual/index.md)
+You can use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
+::: moniker-end
 
 ## Code coverage
 
@@ -90,6 +91,26 @@ Code coverage is an option when you run test methods using Test Explorer. The re
 
 ::: moniker-end
 
+## IntelliTest
+
+IntelliTest automatically generates unit tests and test data for your managed code. IntelliTest improves coverage and dramatically reduces the effort to create and maintain unit tests for new or existing code.
+
+![IntelliTest in action](media/devtest-intellitest.png)
+
+> [!NOTE]
+> IntelliTest is available in Enterprise edition only. It is supported for C# code that targets the .NET Framework. .NET Core and .NET Standard are not supported.
+
+* [Generate unit tests for your code with IntelliTest](generate-unit-tests-for-your-code-with-intellitest.md)
+* [IntelliTest – One test to rule them all](https://devblogs.microsoft.com/devops/intellitest-one-test-to-rule-them-all/)
+* [IntelliTest reference manual](intellitest-manual/index.md)
+
+::: moniker range="visualstudio"
+[!INCLUDE [intellitest-deprecation](includes/intellitest-deprecation.md)]
+::: moniker-end
+::: moniker range="vs-2022"
+[!INCLUDE [intellitest-visual-studio-2022](includes/intellitest-visual-studio-2022.md)]
+::: moniker-end
+
 ::: moniker range="<=vs-2019"
 ## User interface testing with Coded UI and Selenium
 

docs/test/index.yml

@@ -43,8 +43,6 @@ landingContent:
             url: getting-started-with-unit-testing.md
           - text: Run unit tests with Test Explorer
             url: run-unit-tests-with-test-explorer.md
-          - text: Generate unit tests using AI (.NET)
-            url: unit-testing-with-github-copilot-test-dotnet.md
       - linkListType: how-to-guide
         links:
           - text: Code coverage - Determine how much code is being tested
@@ -55,12 +53,12 @@ landingContent:
     linkLists:
       - linkListType: tutorial
         links:
+          - text: Generate unit tests using AI (.NET)
+            url: unit-testing-with-github-copilot-test-dotnet.md
           - text: Create and run unit tests for managed code
             url: walkthrough-creating-and-running-unit-tests-for-managed-code.md
           - text: Get started with Live Unit Testing
             url: live-unit-testing-start.md
-          - text: Generate unit tests (IntelliTest)
-            url: generate-unit-tests-for-your-code-with-intellitest.md
           - text: Test execution with Hot Reload
             url: test-execution-with-hot-reload.md
       - linkListType: how-to-guide

docs/test/unit-test-basics.md

@@ -18,12 +18,13 @@ Unit testing has the greatest effect on the quality of your code when it's an in
 
 Test Explorer can also run third-party and open source unit test frameworks that have implemented Test Explorer add-on interfaces. You can add many of these frameworks through the Visual Studio Extension Manager and the Visual Studio gallery. For more information, see [Install third-party unit test frameworks](../test/install-third-party-unit-test-frameworks.md).
 
-You can quickly generate test projects and test methods from your code, or manually create the tests as you need them. When you use IntelliTest to explore .NET code, you can generate test data and a suite of unit tests. For every statement in the code, a test input is generated that will execute that statement. Find out how to [generate unit tests for .NET code](generate-unit-tests-for-your-code-with-intellitest.md).
-
 ## Get started
 
 For an introduction to unit testing that takes you directly into coding, see one of these articles:
 
+::: moniker range="visualstudio"
+- [GitHub Copilot testing for .NET](../test/unit-testing-with-github-copilot-test-dotnet.md)
+::: moniker-end
 - [Walkthrough: Create and run unit tests for .NET code](../test/walkthrough-creating-and-running-unit-tests-for-managed-code.md)
 
 - [Walkthrough: Test driven development with Test Explorer](../test/quick-start-test-driven-development-with-test-explorer.md)
@@ -75,9 +76,24 @@ public void Withdraw(double amount)
 
 Now that we have some code, it's time for testing.
 
+::: moniker range="visualstudio"
+## Create unit tests with Copilot
+
+Starting in Visual Studio 2026 Insiders build, you can use GitHub Copilot testing for .NET to automatically generate unit tests. GitHub Copilot testing for .NET not only generates the tests, but debugs the tests, and runs them in Test Explorer.  For more information, see [Overview of GitHub Copilot testing for .NET](../test/github-copilot-test-dotnet-overview.md). This is the recommended method to generate tests.
+
+Alternatively, you can use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
+
+### Generate and run unit tests
+
+Using the Visual Studio 2026 Insiders build, you can use [GitHub Copilot testing for .NET](../test/unit-testing-with-github-copilot-test-dotnet.md) to automatically generate unit tests.
+
+Most of the procedures described in this article apply to manually generated tests. If you want to learn more in-depth information about unit testing, you can read through the rest of this article or skip to the section [Run tests in Test Explorer](#run-tests-in-test-explorer).
+::: moniker-end
+
+::: moniker range="vs-2022"
 ## Create unit tests with Copilot
 
-You can also use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
+You can use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
 
 ## Create unit test projects and test methods (C#)
 
@@ -87,39 +103,46 @@ For C#, it is often quicker to generate the unit test project and unit test stub
 
 1. From the code editor window, right-click and choose [**Create Unit Tests**](create-unit-tests-menu.md) from the right-click menu.
 
-   ::: moniker range="vs-2019"
-   ![From the editor window, view the context menu](../test/media/vs-2019/basics-create-unit-tests.png)
+   ![From the editor window, view the context menu](../test/media/vs-2022/basics-create-unit-tests.png)
 
    > [!NOTE]
    > The **Create Unit Tests** menu command is only available for C# code. To use this method with .NET Core or .NET Standard, Visual Studio 2019 or later is required.
-   ::: moniker-end
 
-   ::: moniker range=">=vs-2022"
-   ![From the editor window, view the context menu](../test/media/vs-2022/basics-create-unit-tests.png)
+2. Select **OK** to accept the defaults to create your unit tests, or change the values used to create and name the unit test project and the unit tests. You can select the code that is added by default to the unit test methods.
+
+   ![Create Unit Tests dialog box in Visual Studio](../test/media/vs-2022/create-unit-tests.png)
+
+3. The unit test stubs are created in a new unit test project for all the methods in the class.
+
+   ![The unit tests are created](../test/media/vs-2022/basics-test-stub.png)
+
+4. Now jump ahead to learn how to [Write your tests](#write-your-tests) to make your unit test meaningful, and any extra unit tests that you might want to add to thoroughly test your code.
+::: moniker-end
+
+::: moniker range="<= vs-2019"
+## Create unit test projects and test methods (C#)
+
+For C#, it is often quicker to generate the unit test project and unit test stubs from your code. Or you can choose to create the unit test project and tests manually depending on your requirements. If you want to create unit tests from code with a 3rd party framework you will need one of these extensions installed: [NUnit](https://marketplace.visualstudio.com/items?itemName=NUnitDevelopers.TestGeneratorNUnitextension-18371) or [xUnit](https://marketplace.visualstudio.com/items?itemName=YowkoTsai.xUnitnetTestGenerator). If you are not using C#, skip this section and go to [Create the unit test project and unit tests manually](#create-the-unit-test-project-and-unit-tests-manually).
+
+### Generate unit test project and unit test stubs
+
+1. From the code editor window, right-click and choose [**Create Unit Tests**](create-unit-tests-menu.md) from the right-click menu.
+
+   ![From the editor window, view the context menu](../test/media/vs-2019/basics-create-unit-tests.png)
 
    > [!NOTE]
    > The **Create Unit Tests** menu command is only available for C# code. To use this method with .NET Core or .NET Standard, Visual Studio 2019 or later is required.
-   ::: moniker-end
 
 2. Select **OK** to accept the defaults to create your unit tests, or change the values used to create and name the unit test project and the unit tests. You can select the code that is added by default to the unit test methods.
 
-   ::: moniker range="<=vs-2019"
    ![Create Unit Tests dialog box in Visual Studio](../test/media/create-unit-tests.png)
-   ::: moniker-end
-   ::: moniker range=">=vs-2022"
-   ![Create Unit Tests dialog box in Visual Studio](../test/media/vs-2022/create-unit-tests.png)
-   ::: moniker-end
 
 3. The unit test stubs are created in a new unit test project for all the methods in the class.
 
-   ::: moniker range="vs-2019"
    ![The unit tests are created](../test/media/vs-2019/basics-test-stub.png)
-   ::: moniker-end
-   ::: moniker range=">=vs-2022"
-   ![The unit tests are created](../test/media/vs-2022/basics-test-stub.png)
-   ::: moniker-end
 
 4. Now jump ahead to learn how to [Write your tests](#write-your-tests) to make your unit test meaningful, and any extra unit tests that you might want to add to thoroughly test your code.
+::: moniker-end
 
 ### Create the unit test project and unit tests manually
 

docs/test/unit-test-your-code.md

@@ -1,7 +1,7 @@
 ---
 title: Explore unit test tools and tasks
 description: Learn about the unit test tools you can use to give developers and testers a quick way to look for logic errors in your code. 
-ms.date: 12/05/2023
+ms.date: 11/25/2025
 ms.topic: article
 helpviewer_keywords:
 - Visual Studio, unit tests
@@ -28,7 +28,14 @@ The unit test tools include:
 
 * **Microsoft Fakes isolation framework**—The Microsoft Fakes isolation framework can create substitute classes and methods for production and system .NET code that create dependencies in the code under test. By implementing the fake delegates for a function, you control the behavior and output of the dependency object.
 
+::: moniker range="visualstudio"
+Starting in Visual Studio 2026 Insiders build, you can use GitHub Copilot testing for .NET to automatically generate unit tests. GitHub Copilot testing for .NET not only generates the tests, but debugs the tests, and runs them in Test Explorer.  For more information, see [Overview of GitHub Copilot testing for .NET](../test/github-copilot-test-dotnet-overview.md). This is the recommended method to generate tests.
+
+Alternatively, you can use Copilot `/tests` slash command to generate unit tests from code. For example, you can type `/tests using NUnit Framework` to generate NUnit tests. For more information, see [Use slash commands in Copilot Chat](../ide/copilot-chat-context.md#slash-commands).
+::: moniker-end
+::: moniker range="<= vs-2022"
 For .NET, you can also use [IntelliTest](../test/generate-unit-tests-for-your-code-with-intellitest.md) to explore your code and generate test data and a suite of unit tests. For every statement in the code, a test input is generated that will execute that statement. A case analysis is performed for every conditional branch in the code.
+::: moniker-end
 
 ## Key tasks
 

docs/test/walkthrough-creating-and-running-unit-tests-for-managed-code.md

@@ -21,8 +21,14 @@ This article steps you through creating, running, and customizing a series of un
 
 This article describes how to manually create unit tests. If you would like to generate tests automatically from existing code, see the following articles:
 
+::: moniker range="visualstudio"
+- [Generate and run unit tests using GitHub Copilot testing for .NET](../test/unit-testing-with-github-copilot-test-dotnet.md)
+- [Use slash commands in GitHub Copilot](../ide/copilot-chat-context.md#slash-commands)
+::: moniker-end
+::: moniker range="<= vs-2022"
 - [Create unit test method stubs from code](../test/create-unit-tests-menu.md)
 - [Use slash commands in GitHub Copilot](../ide/copilot-chat-context.md#slash-commands)
+::: moniker-end
 
 ## Prerequisites