provisioners/ansible: add a unit test for winrm

ref #5086

test/unit/plugins/provisioners/ansible/provisioner_test.rb

@@ -129,7 +129,7 @@ VF
       }
     end
 
-    it "enables '#{expected_transport_mode}' transport mode" do
+    it "enables '#{expected_transport_mode}' as default transport mode" do
       expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
         index = args.rindex("--connection=#{expected_transport_mode}")
         expect(index).to be > 0
@@ -373,6 +373,41 @@ VF
       end
     end
 
+    context "with winrm communicator" do
+
+      let(:iso_winrm_env) do
+        env = isolated_environment
+        env.vagrantfile <<-VF
+Vagrant.configure("2") do |config|
+  config.winrm.username = 'winner'
+  config.winrm.password = 'winword'
+  config.winrm.transport = :ssl
+
+  config.vm.define :machine1 do |machine|
+    machine.vm.box = "winbox"
+    machine.vm.communicator = :winrm
+  end
+end
+VF
+        env.create_vagrant_env
+      end
+
+      let(:machine) { iso_winrm_env.machine(iso_winrm_env.machine_names[0], :dummy) }
+
+      it_should_set_arguments_and_environment_variables
+
+      it "generates an inventory with winrm connection settings" do
+
+        expect(Vagrant::Util::Subprocess).to receive(:execute).with { |*args|
+          expect(config.inventory_path).to be_nil
+          expect(File.exists?(generated_inventory_file)).to be_true
+          inventory_content = File.read(generated_inventory_file)
+
+          expect(inventory_content).to include("machine1 ansible_connection=winrm ansible_ssh_host=127.0.0.1 ansible_ssh_port=55986 ansible_ssh_user='winner' ansible_ssh_pass='winword'\n")
+        }
+      end
+    end
+
     describe "with inventory_path option" do
       before do
         config.inventory_path = existing_file