Rake MsTestTask

MsTestTask.rb

require 'rake'
require 'rake/tasklib'

class MsTestTask < Rake::TaskLib
  attr_accessor :name, :containers, :categories, :task_dependencies

  def initialize(name = :msbuildtask, task_dependencies = {})
    @name = name
    @mstest_exe = find_mstest_exe

    yield self if block_given?

    @task_dependencies = task_dependencies
    @containers = find_test_assemblies

    define
  end

  def define
    desc 'what'
    task name => task_dependencies do
      # Run mstest once for each test assembly.
      @containers.each do |container| 
        cmd = "\"#{@mstest_exe}\" /testcontainer:\"#{container}\""
        puts cmd
        puts `#{cmd}`
      end
    end
  end

  def find_mstest_exe
    "C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\Common7\\IDE\\MSTest.exe"
  end

  def find_test_assemblies
    FileList.new("test/**/bin/Release/**/*Tests.dll")
  end
end