.net - Having trouble enabling the NuGet version of XUnit.NET on Team Build 2013 -


i use xunit test framework. i've created test project, added 2 nuget packages (xunit , xunit.runner.visualstudio) , works great. visual studio discover tests.

but how can configure tfs 2013 build discover tests? what's proper way that? found lot of tips think related old test runner downloaded visual studio extensions instead of current nuget package.

with introduction of nuget based test runners solution enabling these test runners on team build has changed. no longer need extract .vsix or .nuget files , check them source control (after configuring build controller know download these files).

install latest versions

what need ensure these items have been installed on build server:

  • visual studio has been updated update 4
  • nuget has been updated @ least 2.7

uninstall old test runner

make sure uninstall old .vsix based test runner visual studio instance on build server , remove files source control folder if stored there.

if have older version of xunit runner in such folder, may load earlier nuget package , cause issues if solution references newer version of xunit.

fix patched project files

if solution has been "patched" using enable nuget package restore option in solution explorer, need "unpatch" them. process explained on nuget documentation. documentation isn't clear on this, "automatic package restore" option preferred way of working team build 2013 mentioned on page referenced in own answer:

applies to:

  • custom msbuild projects running on version of tfs team foundation server 2012 or earlier
  • custom team foundation build process
  • templates migrated tfs 2013 or later
  • build process templates nuget restore functionality removed

if you're using visual studio online or on-premise team foundation server 2013 build process templates, automatic package restore happens part of build process.

mixing both old , new way can break package restore. unpatch files follow procedure outlined here:

  1. remove nuget.exe , nuget.targets files solution's .nuget folder. make sure files removed solution workspace.
  2. retain nuget.config file continue bypass adding packages source control.
  3. edit each project file (e.g., .csproj, .vbproj) in solution , remove references nuget.targets file. open project file(s) in editor of choice , remove following settings:
<restorepackages>true</restorepackages>   ... <import project="$(solutiondir)\.nuget\nuget.targets" />   ... <target name="ensurenugetpackagebuildimports" beforetargets="prepareforbuild">       <propertygroup>         <errortext>this project references nuget package(s) missing on computer. enable nuget package restore download them.  more information, see http://go.microsoft.com/fwlink/?linkid=322105. missing file {0}.</errortext>     </propertygroup>     <error condition="!exists('$(solutiondir)\.nuget\nuget.targets')" text="$([system.string]::format('$(errortext)', '$(solutiondir)\.nuget\nuget.targets'))" /> </target>

check build log

if well, diagnostic build log should show reference nuget , test adapter:

enter image description here (image shows nunit, meaning suppose)

use new build template

if you're using custom template or older version of team build process template, make sure update 1 has .v12.xaml extension. updated build templates use new activity invoke msbuild instructed run nuget package restore before solution built. can check finding run msbuild activity , checking whether it's right one, should microsoft.teamfoundation.build.activities.runmsbuild.

enter image description here

check build server's environment variables

there environment variable (as msbuild property) can disable automatic package restore. results in specific error message during build complain "consent". nuget "told" environment variable haven't given consent restore packages automatically. steps different based on version of nuget on system. after having updated @ least 2.7, these checks do:

check environment variables see there no variable called 'enablenugetpackagerestore' other value true. variable no longer needed , can removed.

then open visual studio (also on build server @ least once) , check:

(nuget 2.7+): visual studio -> tools -> package manager -> package manager settings ->

  • [x] allow nuget download missing packages
  • [x] automatically check missing packages during build in visual studio

source

after making these changes solution should automatically restore nuget packages during build without need "enable" solution, check in nuget.exe or run custom scripts or msbuild files other solution file.

add nuget package each test project

ensure each of test projects has correct xunit test runner package configured. should looking "xunit.net [runner: visual studio]":

 pm> install-package xunit.runner.visualstudio

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