Add Unit Test for Remove-TypeData

test/powershell/Remove-TypeData.Tests.ps1

@@ -0,0 +1,70 @@
+Describe "Remove-TypeData DRT Unit Tests" -Tags DRT{
+    It "Remove With Pipe line Input Pass Type Shortcut String" {
+        { Update-TypeData -MemberType NoteProperty -MemberName TestNote -Value TestNote -TypeName int } | Should Not Throw
+        $a = Get-TypeData System.Int32
+        $a.TypeName | Should Be System.Int32
+
+        { 'int' | Remove-TypeData } | Should Not Throw
+    }
+
+    It "Remove Type File In Initial Session State" {
+        $XMLFile1 = Join-Path $TestDrive -ChildPath "testFile1.ps1xml"
+        $XMLFile2 = Join-Path $TestDrive -ChildPath "testFile2.ps1xml"
+        $content1 = @"
+        <Types>
+            <Type>
+                <Name>System.Array</Name>
+                    <Members>
+                        <AliasProperty>
+                            <Name>Yada</Name>
+                            <ReferencedMemberName>Length</ReferencedMemberName>
+                        </AliasProperty>
+                    </Members>
+            </Type>
+        </Types>
+"@
+
+        $content2 = @"
+                <Types>
+                    <Type>
+                        <Name>System.Array</Name>
+                            <Members>
+                                <AliasProperty>
+                                    <Name>Yoda</Name>
+                                    <ReferencedMemberName>Length</ReferencedMemberName>
+                                </AliasProperty>
+                            </Members>
+                    </Type>
+                </Types>
+"@
+
+        $content1 > $XMLFile1
+        $content2 > $XMLFile2
+        Update-TypeData -AppendPath $XMLFile1
+        Update-TypeData -AppendPath $XMLFile2
+        $a = 1..3
+        $a.Yada | Should be 3
+        $a.Yoda | Should Be 3
+        Remove-TypeData -Path $XMLFile1
+        $a = 1..3
+        $a.Yada | Should BeNullOrEmpty 
+        $a.Yoda | Should Be 3
+        
+        #clean up
+        Remove-TypeData -Path $XMLFile2
+        Remove-Item $XMLFile1 -ErrorAction SilentlyContinue
+        Remove-Item $XMLFile2 -ErrorAction SilentlyContinue 
+    }
+
+    It "Remove Type File In Initial Session State File Not In Cache" {
+        try
+        {
+            Remove-TypeData -Path "fakefile" -ErrorAction Stop
+            Throw "TypePathException"
+        }
+        catch
+        {
+            $_.FullyQualifiedErrorId | Should Be "TypePathException,Microsoft.PowerShell.Commands.RemoveTypeDataCommand"
+        }
+    }
+}