Add tests for *-Item Cmdlets in Function Provider (#6172)

kalgiz · iSazonov · commit 0ac01b722d32 · 2018-02-22T23:26:26.000+04:00
diff --git a/test/powershell/Modules/Microsoft.PowerShell.Management/FunctionProvider.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Management/FunctionProvider.Tests.ps1
@@ -8,23 +8,25 @@ Describe "Basic Function Provider Tests" -Tags "CI" {
         $text = "Hello World!"
         $functionValue = { return $text }
         $restoreLocation = Get-Location
+        $newName = "renamedFunction"
         Set-Location Function:
     }
 
     AfterAll {
         Set-Location -Path $restoreLocation
     }
 
-    Context "Validate Set-Item Cmdlet" {
-        BeforeEach {
-            Set-Item $existingFunction -Options "None" -Value $functionValue
-        }
+    BeforeEach {
+        Set-Item $existingFunction -Options "None" -Value $functionValue
+    }
 
-        AfterEach {
-            Remove-Item $existingFunction -ErrorAction SilentlyContinue -Force
-            Remove-Item $nonexistingFunction -ErrorAction SilentlyContinue -Force
-        }
+    AfterEach {
+        Remove-Item $existingFunction -ErrorAction SilentlyContinue -Force
+        Remove-Item $nonExistingFunction -ErrorAction SilentlyContinue -Force
+        Remove-Item $newName -ErrorAction SilentlyContinue -Force
+    }
 
+    Context "Validate Set-Item Cmdlet" {
         It "Sets the new options in existing function" {
             $newOptions = "ReadOnly, AllScope"
             (Get-Item $existingFunction).Options | Should -BeExactly "None"
@@ -59,4 +61,67 @@ Describe "Basic Function Provider Tests" -Tags "CI" {
             { Set-Item $nonExistingFunction -Value 123 -ErrorAction Stop } | ShouldBeErrorId "Argument,Microsoft.PowerShell.Commands.SetItemCommand"
         }
     }
+
+    Context "Validate Get-Item Cmdlet" {
+        It "Gets existing functions by name" {
+            $getItemResult = Get-Item $existingFunction
+            $getItemResult.Name | Should -BeExactly $existingFunction
+            $getItemResult.Options | Should -BeExactly "None"
+            $getItemResult.ScriptBlock | Should -BeExactly $functionValue
+        }
+
+        It "Matches regex with stars to the function names" {
+            $getItemResult = Get-Item "ex*on"
+            $getItemResult.Name | Should -BeExactly $existingFunction
+
+            # Stars representing empty string.
+            $getItemResult = Get-Item "*existingFunction*"
+            $getItemResult.Name | Should -BeExactly $existingFunction
+
+            # Finds 2 functions that match the regex.
+            Set-Item $nonExistingFunction -Value $functionValue
+            $getItemResults =  Get-Item "*Function"
+            $getItemResults.Count | Should -BeGreaterThan 1
+        }
+    }
+
+    Context "Validate Remove-Item Cmdlet" {
+        It "Removes function" {
+            Remove-Item $existingFunction
+            { Get-Item $existingFunction -ErrorAction Stop } | ShouldBeErrorId "PathNotFound,Microsoft.PowerShell.Commands.GetItemCommand"
+        }
+
+        It "Fails to remove not existing function" {
+            { Remove-Item $nonExistingFunction -ErrorAction Stop } | ShouldBeErrorId "PathNotFound,Microsoft.PowerShell.Commands.RemoveItemCommand"
+        }
+    }
+
+    Context "Validate Rename-Item Cmdlet" {
+        It "Renames existing function with None options" {
+            Rename-Item $existingFunction -NewName $newName
+            { Get-Item $existingFunction -ErrorAction Stop } | ShouldBeErrorId "PathNotFound,Microsoft.PowerShell.Commands.GetItemCommand"
+            (Get-Item $newName).Count | Should -BeExactly 1
+        }
+
+        It "Fails to rename not existing function" {
+            { Rename-Item $nonExistingFunction -NewName $newName -ErrorAction Stop } | ShouldBeErrorId "InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand"
+        }
+
+        It "Fails to rename function which is Constant" {
+            Set-Item $nonExistingFunction -Options "Constant" -Value $functionValue
+            { Rename-Item $nonExistingFunction -NewName $newName -ErrorAction Stop } | ShouldBeErrorId "CannotRenameFunction,Microsoft.PowerShell.Commands.RenameItemCommand"
+        }
+
+        It "Fails to rename function which is ReadOnly" {
+            Set-Item $nonExistingFunction -Options "ReadOnly"
+            { Rename-Item $nonExistingFunction -NewName $newName -ErrorAction Stop } | ShouldBeErrorId "InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand"
+        }
+
+        It "Renames ReadOnly function when -Force parameter is on" {
+            Set-Item $nonExistingFunction -Options "ReadOnly" -Value $functionValue
+            Rename-Item $nonExistingFunction -NewName $newName -Force
+            { Get-Item $nonExistingFunction -ErrorAction Stop } | ShouldBeErrorId "PathNotFound,Microsoft.PowerShell.Commands.GetItemCommand"
+            (Get-Item $newName).Count | Should -BeExactly 1
+        }
+    }
 }
