【问题标题】:Nunit-console - what is expected in .csproj file?Nunit-console - .csproj 文件中的预期内容是什么?
【发布时间】:2015-11-20 10:50:28
【问题描述】:

我目前正在使用 C# 进行一些测试(使用 Mono 和 NUnit,都在 OS X 上,但它应该稍后在 Travis 上运行)。我没有安装 Visual Studio 并设法得到一个“工作”的 .csproj 文件:

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="Compile">
  <Target Name="Compile">
    <Csc Sources="@(Compile)" References="@(Reference)" TargetType="Library" />
  </Target>
  <Target Name="Test" DependsOnTargets="Compile">
    <Exec Command="nunit-console nunit.csproj" />
  </Target>
  <ItemGroup>
    <Reference Include="nunit.framework.dll" />
  </ItemGroup>
  <ItemGroup>
     <Compile Include="../csharp/class/CoffeeMachine.cs" />
     <Compile Include="tests/Actionwords.cs" />
     <Compile Include="tests/ProjectTest.cs" />
  </ItemGroup>
</Project>

编译工作正常,但我无法执行测试,我收到以下错误:

╰─$ nunit-console nunit.csproj
NUnit version 2.4.8
Copyright (C) 2002-2007 Charlie Poole.
Copyright (C) 2002-2004 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov.
Copyright (C) 2000-2002 Philip Craig.
All Rights Reserved.

Runtime Environment - 
   OS Version: Unix 14.3.0.0
  CLR Version: 4.0.30319.17020 ( 4.2.0 (Stable 4.2.0.179/a224653 Tue Oct  6 11:27:49 PDT 2015) )

Unhandled Exception:
System.ArgumentException: Invalid project file format: nunit.csproj ---> System.NullReferenceException: Object reference not set to an instance of an object
   at NUnit.Util.VSProject.LoadMSBuildProject (System.String projectDirectory, System.Xml.XmlDocument doc) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 257
   at NUnit.Util.VSProject.LoadProject (System.String projectDirectory, System.Xml.XmlDocument doc) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 210
   at NUnit.Util.VSProject.Load () in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 184
  --- End of inner exception stack trace ---
   at NUnit.Util.VSProject.ThrowInvalidFormat (System.String projectPath, System.Exception e) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 307
   at NUnit.Util.VSProject.Load () in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 197
   at NUnit.Util.VSProject..ctor (System.String projectPath) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/VSProject.cs:line 56
   at NUnit.Util.NUnitProject.FromVSProject (System.String vsProjectPath) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/NUnitProject.cs:line 234
   at NUnit.Util.NUnitProject.LoadProject (System.String path) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ClientUtilities/util/NUnitProject.cs:line 161
   at NUnit.ConsoleRunner.ConsoleUi.MakeRunnerFromCommandLine (NUnit.ConsoleRunner.ConsoleOptions options) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ConsoleRunner/nunit-console/ConsoleUi.cs:line 214
   at NUnit.ConsoleRunner.ConsoleUi.Execute (NUnit.ConsoleRunner.ConsoleOptions options) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ConsoleRunner/nunit-console/ConsoleUi.cs:line 58
   at NUnit.ConsoleRunner.Runner.Main (System.String[] args) in /private/tmp/mono20151006-19632-tqpley/mono-4.2.0/mcs/nunit24/ConsoleRunner/nunit-console/Runner.cs:line 63

注意:如果我执行nunit-console hiptest.publisher.samples.dll,它就像一个魅力。

我的猜测是 NUnit 期望 .csproj 文件来说明测试目标是什么。我尝试在 PropertyGroup 下添加一个 AssemblyName 组,但没有任何区别。

最大的问题是我找不到任何关于 Nunit 对 .csproj 内容的期望的文档(我主要找到所有通过 VS 或使用 MSBuild 社区任务完成的示例,这听起来很不错但显然不适合我的环境(Mono、OS X 和与 Mono 发布的不同的 NUnit 包(不在那个项目上,在另一个使用 Specflow 的项目上,但如果我可以为这个修复它,它应该在第二个中修复一))。

提前致谢, 文森特

【问题讨论】:

    标签: c# msbuild mono nunit csproj


    【解决方案1】:

    当使用带有.csproj 文件的 NUnit 控制台 2.4.x 和 3.x 时,它需要一个有效且相当完整的 MSBuild/xbuild 项目来确定它将在库中测试的程序集名称、目录位置和命名空间 -基于项目(如果您定义了正确的入口点,则可以使用基于 Exe 的项目)。在此示例中,我使用了 NUnit 2.4.x 和 3.x console,因为存在执行差异,但使用的是相同的 .csproj,因此如果您使用 MonoDevelop/Xamarin Studio,IDE 的内置 NUnit 2.4.x 测试板也可以工作。另外,我假设您还将使用 Mono 的 xbuild 在 Travis 上构建您的项目,因此需要完整的 .csproj

    NUnit 3.0 控制台(通过 nuget 安装):

    mono $(MTOOLS)/nunit3-console.exe  nunit-lib/nunit-lib.csproj --config=Debug
    
    NUnit Console Runner 3.0.5797 
    Copyright (C) 2015 Charlie Poole
    
    Runtime Environment
       OS Version: MacOSX 15.0.0.0 
      CLR Version: 4.0.30319.17020
    
    Test Files
        nunit-lib/nunit-lib.csproj
    
    Errors and Failures
    
    1) Failed : nunitlib.Test.TestCase
      Expected string length 8 but was 5. Strings differ at index 0.
      Expected: "Overflow"
      But was:  "Stack"
      -----------^
    at nunitlib.Test.TestCase () in <filename unknown>:line 0
    
    Test Run Summary
        Overall result: Failed
       Tests run: 1, Passed: 0, Errors: 0, Failures: 1, Inconclusive: 0
         Not run: 0, Invalid: 0, Ignored: 0, Explicit: 0, Skipped: 0
      Start time: 2015-11-20 12:36:28Z
        End time: 2015-11-20 12:36:28Z
        Duration: 0.132 seconds
    

    NUnit 2.4.8(通过 Mono 安装):

    注意:在解析 .csproj 文件并创建预期的 CIL/程序集位置时,NUnit 控制台 2.4.x 是 broken,由于硬编码的 Windows 样式的目录分隔符,请使用 MONO_IOMAP解决它。这在 3.0 中不是问题。

    NUnit Console 2.4.x w/o MONO_IOMAP:

    nunit-console nunit-lib/nunit-lib.csproj -config=Debug
    ~~~~
    Unhandled Exception:
    System.IO.DirectoryNotFoundException: Directory "/Users/sushi/code/XamTests/nunit-lib/nunit-lib/bin\Debug" not found.
    ~~~~
    

    带有 MONO_IOMAP 的 NUnit 控制台 2.4.x:

    MONO_IOMAP=all nunit-console nunit-lib/nunit-lib.csproj -config=Debug
    
    NUnit version 2.4.8
    Copyright (C) 2002-2007 Charlie Poole.
    Copyright (C) 2002-2004 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov.
    Copyright (C) 2000-2002 Philip Craig.
    All Rights Reserved.
    
    Runtime Environment - 
       OS Version: Unix 15.0.0.0
      CLR Version: 4.0.30319.17020 ( 4.2.1 (explicit/8862921 Thu Oct 29 17:09:16 EDT 2015) )
    
    .F
    Tests run: 1, Failures: 1, Not run: 0, Time: 0.115 seconds
    
    Test Case Failures:
    1) nunitlib.Test.TestCase :   Expected string length 8 but was 5. Strings differ at index 0.
      Expected: "Overflow"
      But was:  "Stack"
      -----------^
    

    .csproj 示例中使用的例子:

    <?xml version="1.0" encoding="utf-8"?>
    <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
      <PropertyGroup>
        <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
        <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
        <ProjectGuid>{944946CD-39B2-4A16-A8A8-9F70F0450506}</ProjectGuid>
        <OutputType>Library</OutputType>
        <RootNamespace>nunitlib</RootNamespace>
        <AssemblyName>nunit-lib</AssemblyName>
        <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
      </PropertyGroup>
      <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
        <DebugSymbols>true</DebugSymbols>
        <DebugType>full</DebugType>
        <Optimize>false</Optimize>
        <OutputPath>bin\Debug</OutputPath>
        <DefineConstants>DEBUG;</DefineConstants>
        <ErrorReport>prompt</ErrorReport>
        <WarningLevel>4</WarningLevel>
        <ConsolePause>false</ConsolePause>
      </PropertyGroup>
      <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
        <DebugType>full</DebugType>
        <Optimize>true</Optimize>
        <OutputPath>bin\Release</OutputPath>
        <ErrorReport>prompt</ErrorReport>
        <WarningLevel>4</WarningLevel>
        <ConsolePause>false</ConsolePause>
      </PropertyGroup>
      <ItemGroup>
        <Reference Include="System" />
        <Reference Include="nunit.framework">
          <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
        </Reference>
      </ItemGroup>
      <ItemGroup>
        <Compile Include="Test.cs" />
      </ItemGroup>
      <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
      <ItemGroup>
        <None Include="packages.config" />
      </ItemGroup>
    </Project>
    

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