From 8396810eac9c733437118243be87fae40f11ecc4 Mon Sep 17 00:00:00 2001
From: Matt Wrock <matt@mattwrock.com>
Date: Tue, 20 Oct 2015 12:53:19 -0700
Subject: improve the test to more accurately detrermine if child process is
 killed

---
 lib/mixlib/shellout/windows.rb | 10 +++++++---
 spec/mixlib/shellout_spec.rb   | 13 +++++--------
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/lib/mixlib/shellout/windows.rb b/lib/mixlib/shellout/windows.rb
index 5bca289..571baa6 100644
--- a/lib/mixlib/shellout/windows.rb
+++ b/lib/mixlib/shellout/windows.rb
@@ -77,8 +77,8 @@ module Mixlib
           #
           # Start the process
           #
-          logger.debug(Utils.format_process(process, app_name, command_line, timeout)) if logger
           process = Process.create(create_process_args)
+          logger.debug(Utils.format_process(process, app_name, command_line, timeout)) if logger
           begin
             # Start pushing data into input
             stdin_write << input if input
@@ -322,7 +322,7 @@ module Mixlib
         end
 
         def self.kill_process_tree(pid, wmi, logger)
-          wmi.query("select ProcessID, Name from Win32_Process where ParentProcessID=#{pid}").each do |instance|
+          wmi.query("select * from Win32_Process where ParentProcessID=#{pid}").each do |instance|
             child_pid = instance.wmi_ole_object.processid
             kill_process_tree(child_pid, wmi, logger)
             begin
@@ -330,7 +330,7 @@ module Mixlib
                 "killing child process #{child_pid}::",
                 "#{instance.wmi_ole_object.Name} of parent #{pid}"
                 ].join) if logger
-              Process.kill(:KILL, child_pid)
+              kill_process(instance)
             rescue Errno::EIO, SystemCallError
               logger.debug([
                 "Failed to kill child process #{child_pid}::",
@@ -340,6 +340,10 @@ module Mixlib
           end
         end
 
+        def self.kill_process(instance)
+          Process.kill(:KILL, instance.wmi_ole_object.processid)
+        end
+
         def self.format_process(process, app_name, command_line, timeout)
           msg = []
           msg << "ProcessId: #{process.process_id}"
diff --git a/spec/mixlib/shellout_spec.rb b/spec/mixlib/shellout_spec.rb
index 6b57619..df9bbbe 100644
--- a/spec/mixlib/shellout_spec.rb
+++ b/spec/mixlib/shellout_spec.rb
@@ -1113,13 +1113,7 @@ describe Mixlib::ShellOut do
 
         context 'on windows', :windows_only do
           let(:cmd) do
-            'powershell -c "sleep 10"'
-          end
-
-          before do
-            require "wmi-lite/wmi"
-            allow(WmiLite::Wmi).to receive(:new)
-            allow(Mixlib::ShellOut::Windows::Utils).to receive(:kill_process_tree)
+            'cmd /c powershell -c "sleep 10"'
           end
 
           it "should raise CommandTimeout" do
@@ -1130,7 +1124,10 @@ describe Mixlib::ShellOut do
 
           context 'and child processes should be killed' do
             it 'kills the child processes' do
-              expect(Mixlib::ShellOut::Windows::Utils).to receive(:kill_process_tree)
+              expect(Mixlib::ShellOut::Windows::Utils).to receive(:kill_process) do |instance|
+                expect(instance.wmi_ole_object.Name).to match(/powershell/)
+                Process.kill(:KILL, instance.wmi_ole_object.processid)
+              end
               expect { executed_cmd }.to raise_error(Mixlib::ShellOut::CommandTimeout)
             end
           end
-- 
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