Merge pull request #695 from PowerShell/NativeLinuxCommandsTest

Add Pester tests for calling native Linux commands for #138

test/powershell/NativeLinuxCommands.Tests.ps1

@@ -0,0 +1,30 @@
+Describe "NativeLinuxCommands" {
+    It "Should return a type of System.Object for hostname cmdlet" {
+    (hostname).GetType().BaseType | Should Be 'System.Object'
+	(hostname).GetType().Name | Should Be String
+    }
+
+    It "Should have not empty Name flags set for ps object" {
+	ps | foreach-object { $_.ProcessName | Should Not BeNullOrEmpty }
+    }
+	
+	It "Should find Application grep" -Skip:$IsWindows {
+    (get-command grep).CommandType | Should Be Application
+    }
+
+    It "Should pipe to grep and get result" -Skip:$IsWindows {
+    "hello world" | grep hello | Should Be "hello world"
+    }
+	
+	It "Should find Application touch" -Skip:$IsWindows {
+    (get-command touch).CommandType | Should Be Application
+    }
+	
+	It "Should find Alias ls" -Skip:$IsWindows {
+    (get-command ls).CommandType | Should Be Alias
+    }
+	
+	It "Should find Function mkdir" -Skip:$IsWindows {
+    (get-command mkdir).CommandType | Should Be Function
+    }
+}