Refactored WinRM test command filter

plugins/communicators/winrm/command_filters/test.rb

@@ -12,24 +12,55 @@ module VagrantPlugins
           # test -x /tmp/some.exe
           
           cmd_parts = command.strip.split(/\s+/)
-          if cmd_parts[1] == '-d'
-            # ensure it exists and is a directory
-            return "if ((Test-Path \"#{cmd_parts[2]}\") -and (get-item \"#{cmd_parts[2]}\").PSIsContainer) { exit 0 } exit 1"
-          elsif cmd_parts[1] == '-f' || cmd_parts[1] == '-x'
-            # ensure it exists and is a file
-            return "if ((Test-Path \"#{cmd_parts[2]}\") -and (!(get-item \"#{cmd_parts[2]}\").PSIsContainer)) { exit 0 } exit 1"
+          flag = cmd_parts[1]
+          path = cmd_parts[2]
+
+          if flag == '-d'
+            check_for_directory(path)
+          elsif flag == '-f' || flag == '-x'
+            check_for_file(path)
+          else
+            check_exists(path)
           end
-
-          # otherwise, just check for existence
-          return "if (Test-Path \"#{cmd_parts[2]}\") { exit 0 } exit 1"
         end
 
-        # if (Test-Path 'c:\windows' && (get-item 'c:\windows').PSIsContainer) { Write-Host 0 } Write-Host 1
-
         def accept?(command)
           command.start_with?("test ")
         end
 
+
+        private
+
+        def check_for_directory(path)
+          <<-EOH
+            $p = "#{path}"
+            if ((Test-Path $p) -and (get-item $p).PSIsContainer) {
+              exit 0
+            }
+            exit 1
+          EOH
+        end
+
+        def check_for_file(path)
+          <<-EOH
+            $p = "#{path}"
+            if ((Test-Path $p) -and (!(get-item $p).PSIsContainer)) {
+              exit 0
+            }
+            exit 1
+          EOH
+        end
+
+        def check_exists(path)
+          <<-EOH
+            $p = "#{path}"
+            if (Test-Path $p) {
+              exit 0
+            }
+            exit 1
+          EOH
+        end
+
       end
 
     end

test/unit/plugins/communicators/winrm/command_filter_test.rb

@@ -25,23 +25,31 @@ describe VagrantPlugins::CommunicatorWinRM::CommandFilter, :unit => true do
     end
 
     it 'filters out test -d commands' do
-      expect(subject.filter('test -d /tmp/dir')).to eq(
-        "if ((Test-Path '/tmp/dir') -and (get-item '/tmp/dir').PSIsContainer) { exit 0 } exit 1")
+      expect(subject.filter('test -d /tmp/dir')).to include(
+        "$p = \"/tmp/dir\"")
+      expect(subject.filter('test -d /tmp/dir')).to include(
+        "if ((Test-Path $p) -and (get-item $p).PSIsContainer) {")
     end
 
     it 'filters out test -f commands' do
-      expect(subject.filter('test -f /tmp/file.txt')).to eq(
-        "if ((Test-Path '/tmp/file.txt') -and (!(get-item '/tmp/file.txt').PSIsContainer)) { exit 0 } exit 1")
+      expect(subject.filter('test -f /tmp/file.txt')).to include(
+        "$p = \"/tmp/file.txt\"")
+      expect(subject.filter('test -f /tmp/file.txt')).to include(
+        "if ((Test-Path $p) -and (!(get-item $p).PSIsContainer)) {")
     end
 
     it 'filters out test -x commands' do
-      expect(subject.filter('test -x /tmp/file.txt')).to eq(
-        "if ((Test-Path '/tmp/file.txt') -and (!(get-item '/tmp/file.txt').PSIsContainer)) { exit 0 } exit 1")
+      expect(subject.filter('test -x /tmp/file.txt')).to include(
+        "$p = \"/tmp/file.txt\"")
+      expect(subject.filter('test -x /tmp/file.txt')).to include(
+        "if ((Test-Path $p) -and (!(get-item $p).PSIsContainer)) {")
     end
 
     it 'filters out other test commands' do
-      expect(subject.filter('test -L /tmp/file.txt')).to eq(
-        "if (Test-Path '/tmp/file.txt') { exit 0 } exit 1")
+      expect(subject.filter('test -L /tmp/file.txt')).to include(
+        "$p = \"/tmp/file.txt\"")
+      expect(subject.filter('test -L /tmp/file.txt')).to include(
+        "if (Test-Path $p) {")
     end
 
     it 'filters out rm -Rf commands' do