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Plugging in Assertion extensibility (#117)
* Plugged in Assertion extensibility as defined by https://github.com/Microsoft/testfx-docs/blob/master/RFCs/002-Framework-Extensibility-Custom-Assertions.md. * Added an E2E test as well. * Fixing a doc typo.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,49 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT license. See LICENSE file in the project root for full license information. | ||
|
|
||
| namespace MSTest.Extensibility.Samples | ||
| { | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
|
|
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| public static class AssertEx | ||
| { | ||
| private static AssertIs assertis; | ||
|
|
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| /// <summary> | ||
| /// A simple assert extension to validate if an object is of a given type. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type to check.</typeparam> | ||
| /// <param name="assert">Assert class.</param> | ||
| /// <param name="obj">The object.</param> | ||
| /// <returns>True if object is of the given type.</returns> | ||
| /// <exception cref="AssertFailedException">If object is not of the given type.</exception> | ||
| public static bool IsOfType<T>(this Assert assert, object obj) | ||
| { | ||
| if (obj is T) | ||
| { | ||
| return true; | ||
| } | ||
|
|
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| throw new AssertFailedException( | ||
| string.Format( | ||
| "Expected object of type {0} but found object of type {1}", | ||
| typeof(T), | ||
| obj ?? obj.GetType())); | ||
| } | ||
|
|
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| /// <summary> | ||
| /// A chain/grouping of assert statements. | ||
| /// </summary> | ||
| /// <param name="assert">The Assert class.</param> | ||
| /// <returns>The class that contains the assert methods for this grouping.</returns> | ||
| public static AssertIs Is(this Assert assert) | ||
| { | ||
| if (assertis == null) | ||
| { | ||
| assertis = new AssertIs(); | ||
| } | ||
|
|
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| return assertis; | ||
| } | ||
| } | ||
| } |
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| @@ -0,0 +1,46 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT license. See LICENSE file in the project root for full license information. | ||
|
|
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| namespace MSTest.Extensibility.Samples | ||
| { | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
|
|
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| /// <summary> | ||
| /// A grouping of Assert statements with similar functionality. | ||
| /// </summary> | ||
| public class AssertIs | ||
| { | ||
| /// <summary> | ||
| /// Determines if the 'divisor' is actually a divisor of 'number'. | ||
| /// </summary> | ||
| /// <param name="number">A number.</param> | ||
| /// <param name="divisor">Its proclaimed divisor.</param> | ||
| /// <returns>True if it is a divisor</returns> | ||
| /// <exception cref="AssertFailedException">If it is not a divisor.</exception> | ||
| public bool Divisor(int number, int divisor) | ||
| { | ||
| if (number % divisor == 0) | ||
| { | ||
| return true; | ||
| } | ||
|
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| throw new AssertFailedException(string.Format("{0} is not a divisor of {1}", divisor, number)); | ||
| } | ||
|
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| /// <summary> | ||
| /// Determines if a number is positive. | ||
| /// </summary> | ||
| /// <param name="number">The number.</param> | ||
| /// <returns>True if it is positive.</returns> | ||
| /// <exception cref="AssertFailedException">If the number is not positive.</exception> | ||
| public bool Positive(int number) | ||
| { | ||
| if (number > 0) | ||
| { | ||
| return true; | ||
| } | ||
|
|
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| throw new AssertFailedException(string.Format("{0} is not positive", number)); | ||
| } | ||
| } | ||
| } |
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|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <PropertyGroup> | ||
| <TestFxRoot Condition="$(TestFxRoot) == ''">..\..\</TestFxRoot> | ||
| </PropertyGroup> | ||
| <Import Project="$(TestFxRoot)scripts\build\TestFx.Settings.targets" /> | ||
| <PropertyGroup> | ||
| <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> | ||
| <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> | ||
| <ProjectGuid>{A82770C0-1FF5-43C7-8790-471D5E4F8D6E}</ProjectGuid> | ||
| <OutputType>Library</OutputType> | ||
| <AppDesignerFolder>Properties</AppDesignerFolder> | ||
| <RootNamespace>MSTest.Extensibility.Samples</RootNamespace> | ||
| <AssemblyName>MSTest.Extensibility.Samples</AssemblyName> | ||
| <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion> | ||
| <FileAlignment>512</FileAlignment> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> | ||
| <DebugSymbols>true</DebugSymbols> | ||
| <DebugType>full</DebugType> | ||
| <Optimize>false</Optimize> | ||
| <DefineConstants>DEBUG;TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> | ||
| <DebugType>pdbonly</DebugType> | ||
| <Optimize>true</Optimize> | ||
| <DefineConstants>TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <Reference Include="System" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <Compile Include="AssertEx.cs" /> | ||
| <Compile Include="AssertIs.cs" /> | ||
| <Compile Include="Properties\AssemblyInfo.cs" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\TestFramework\MSTest.Core\MSTest.Core.csproj"> | ||
| <Project>{7252d9e3-267d-442c-96bc-c73aef3241d6}</Project> | ||
| <Name>MSTest.Core</Name> | ||
| </ProjectReference> | ||
| </ItemGroup> | ||
| <Import Project="$(TestFxRoot)scripts\build\TestFx.targets" /> | ||
| </Project> |
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| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT license. See LICENSE file in the project root for full license information. | ||
|
|
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| using System.Reflection; | ||
| using System.Runtime.InteropServices; | ||
|
|
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| // General Information about an assembly is controlled through the following | ||
| // set of attributes. Change these attribute values to modify the information | ||
| // associated with an assembly. | ||
| [assembly: AssemblyTitle("MSTest.Extensibility.Samples")] | ||
| [assembly: AssemblyDescription("")] | ||
| [assembly: AssemblyConfiguration("")] | ||
| [assembly: AssemblyCompany("")] | ||
| [assembly: AssemblyProduct("FxExtensibility")] | ||
| [assembly: AssemblyCopyright("Copyright © 2017")] | ||
| [assembly: AssemblyTrademark("")] | ||
| [assembly: AssemblyCulture("")] | ||
|
|
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| // Setting ComVisible to false makes the types in this assembly not visible | ||
| // to COM components. If you need to access a type in this assembly from | ||
| // COM, set the ComVisible attribute to true on that type. | ||
| [assembly: ComVisible(false)] | ||
|
|
||
| // The following GUID is for the ID of the typelib if this project is exposed to COM | ||
| [assembly: Guid("a82770c0-1ff5-43c7-8790-471d5e4f8d6e")] | ||
|
|
||
| // Version information for an assembly consists of the following four values: | ||
| // | ||
| // Major Version | ||
| // Minor Version | ||
| // Build Number | ||
| // Revision | ||
| // | ||
| // You can specify all the values or you can default the Build and Revision Numbers | ||
| // by using the '*' as shown below: | ||
| // [assembly: AssemblyVersion("1.0.*")] |
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