From 578577f79aa816dc6b7fd98e6d1b8026477c5426 Mon Sep 17 00:00:00 2001
From: Jared Quick <quick.jared@gmail.com>
Date: Tue, 5 Dec 2017 08:21:31 -0500
Subject: [PATCH] Update command resource to check for mock backend. (#2353)

Signed-off-by: Jared Quick <jquick@chef.io>
---
 lib/resources/command.rb            |  6 +++---
 test/unit/resources/command_test.rb | 10 ++++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/lib/resources/command.rb b/lib/resources/command.rb
index cecb4acc5..482f6cd9a 100644
--- a/lib/resources/command.rb
+++ b/lib/resources/command.rb
@@ -45,9 +45,9 @@ module Inspec::Resources
       result.exit_status.to_i
     end
 
-    def exist?
+    def exist? # rubocop:disable Metrics/AbcSize
       # silent for mock resources
-      return false if inspec.os.name.nil?
+      return false if inspec.os.name.nil? || inspec.os.name == 'mock'
 
       if inspec.os.linux?
         res = inspec.backend.run_command("bash -c 'type \"#{@command}\"'")
@@ -56,7 +56,7 @@ module Inspec::Resources
       elsif inspec.os.unix?
         res = inspec.backend.run_command("type \"#{@command}\"")
       else
-        warn "`command(#{@command}).exist?` is not suported on your OS: #{inspec.os[:name]}"
+        warn "`command(#{@command}).exist?` is not supported on your OS: #{inspec.os[:name]}"
         return false
       end
       res.exit_status.to_i == 0
diff --git a/test/unit/resources/command_test.rb b/test/unit/resources/command_test.rb
index 3299a4639..19470e864 100644
--- a/test/unit/resources/command_test.rb
+++ b/test/unit/resources/command_test.rb
@@ -22,6 +22,16 @@ describe Inspec::Resources::Cmd do
     resource('env').exit_status.must_equal 0
   end
 
+  it 'exist? returns false on nil os name' do
+    Inspec::Resources::OSResource.any_instance.stubs(:name).returns(nil)
+    resource('test').exist?.must_equal false
+  end
+
+  it 'exist? returns false on mock os name' do
+    Inspec::Resources::OSResource.any_instance.stubs(:name).returns('mock')
+    resource('test').exist?.must_equal false
+  end
+
   it 'raises when called with nil as a command' do
     proc { resource(nil).result }.must_raise StandardError
   end