Install the vagrant-winrm plugin

This eliminates a confusing manual step for anyone who wants to
test with Windows guests.

Fix #93

CHANGELOG.md

@@ -7,6 +7,9 @@
 * Fix [#75](https://github.com/Nordstrom/chefdk_bootstrap/issues/75):
   Write PowerShell profile customizations to $Profile.CurrentUserAllHosts
 
+* Fix [#93](https://github.com/Nordstrom/chefdk_bootstrap/issues/93):
+  Install the vagrant-winrm plugin
+
 ### Upgrading from 1.7
 This cookbook no longer writes C:\WINDOWS\System32\WindowsPowerShell\v1.0\profile.ps1.
 If you are upgrading from 1.7 or earlier you will need to remove [the lines added by the chefdk_bootstrap in v1.7.0](https://github.com/Nordstrom/chefdk_bootstrap/blob/v1.7.0/templates/windows/global_profile.ps1.erb)

recipes/vagrant.rb

@@ -14,3 +14,5 @@
 #
 
 include_recipe 'vagrant'
+
+vagrant_plugin 'vagrant-winrm'

spec/unit/recipes/vagrant_spec.rb

@@ -5,6 +5,10 @@
     it 'includes the vagrant::default recipe' do
       expect(windows_chef_run).to include_recipe('vagrant')
     end
+
+    it 'installs the vagrant-winrm plugin' do
+      expect(windows_chef_run).to install_vagrant_plugin('vagrant-winrm')
+    end
   end
 
   context 'on a Mac' do
@@ -13,5 +17,9 @@
     it 'includes the vagrant::default recipe' do
       expect(mac_os_x_chef_run).to include_recipe('vagrant')
     end
+
+    it 'installs the vagrant-winrm plugin' do
+      expect(mac_os_x_chef_run).to install_vagrant_plugin('vagrant-winrm')
+    end
   end
 end

test/integration/default/vagrant_spec.rb

@@ -16,3 +16,7 @@
   its(:exit_status) { should eq(0) }
   its(:stdout) { should match(/Vagrant \d+\.\d+\.\d+/) }
 end
+
+describe command('vagrant plugin list') do
+  its(:stdout) { should match(/vagrant-winrm/) }
+end