PowerShell-PowerShell/test/powershell/Language/Scripting/ActionPreference.Tests.ps1

Describe "Tests for (error, warning, etc) action preference" -Tags "CI" {
        BeforeAll {
            $orgin = $GLOBAL:errorActionPreference
        }

        AfterAll {
            if ($GLOBAL:errorActionPreference -ne $orgin)
            {
                $GLOBAL:errorActionPreference = $orgin
            }
        }
        Context 'Setting ErrorActionPreference to stop prevents user from getting the error exception' {
            $err = $null
            try
            {
                get-childitem nosuchfile.nosuchextension -ea stop -ev err                
            }
            catch {}
             
            It '$err.Count' { $err.Count | Should Be 1 }
            It '$err[0] should not be $null' { $err[0] | Should Not Be $null }
            It '$err[0].GetType().Name' { $err[0].GetType().Name | Should Be ActionPreferenceStopException }
            It '$err[0].ErrorRecord' { $err[0].ErrorRecord | Should not BeNullOrEmpty }
            It '$err[0].ErrorRecord.Exception.GetType().Name' { $err[0].ErrorRecord.Exception.GetType().Name | Should Be ItemNotFoundException }
        }
        
        It 'ActionPreference Ignore Works' {            
            $errorCount = $error.Count
            Get-Process -Name asdfasdfsadfsadf -ErrorAction Ignore            

            $error.Count | Should Be $errorCount
        }
        
        It 'action preference of Ignore cannot be set as a preference variable' {           
            try {
                $GLOBAL:errorActionPreference = "Ignore"
                Get-Process -Name asdfasdfasdf
                Throw "Exception expected, execution should not have reached here"
             } catch {
                     $_.CategoryInfo.Reason | Should Be NotSupportedException
             } finally {
                $GLOBAL:errorActionPreference = $orgin
             }
             
        }

        It 'action preference of Suspend cannot be set as a preference variable' {            
            try { 
                    $GLOBAL:errorActionPreference = "Suspend"
                    Get-Process -Name asdfasdfasdf
                    Throw "Exception expected, execution should not have reached here"
                } catch { 
                    $_.CategoryInfo.Reason | Should Be ArgumentTransformationMetadataException
                }
                finally {
                    $GLOBAL:errorActionPreference = $orgin
                }
        }

        It 'enum disambiguation works' {
            $errorCount = $error.Count
            Get-Process -Name asdfasdfsadfsadf -ErrorAction Ig

            $error.Count | Should Be $errorCount
        }

        It 'ErrorAction = Suspend works on Workflow' -Skip:$IsCoreCLR {
           . .\TestsOnWinFullOnly.ps1
            Run-TestOnWinFull "ActionPreference:ErrorAction=SuspendOnWorkflow"
        }

        It 'ErrorAction = Suspend does not work on functions' {
            function MyHelperFunction {
                [CmdletBinding()]
                param()        
                "Hello"
            }
    
            try
            {
                MyHelperFunction -ErrorAction Suspend
                Throw "Exception expected, execution should not have reached here"
            } catch {
                $_.FullyQualifiedErrorId | Should Be "ParameterBindingFailed,MyHelperFunction"
            }
        }

        It 'ErrorAction = Suspend does not work on cmdlets' {
            try
            {
                Get-Process -ErrorAction Suspend
                Throw "Exception expected, execution should not have reached here"
            }
            catch {
                $_.FullyQualifiedErrorId | Should Be "ParameterBindingFailed,Microsoft.PowerShell.Commands.GetProcessCommand"
            }
        }

        It 'WarningAction = Suspend does not work' {
            try
            {
                Get-Process -WarningAction Suspend
                Throw "Exception expected, execution should not have reached here"
            }
            catch {
                $_.FullyQualifiedErrorId | Should Be "ParameterBindingFailed,Microsoft.PowerShell.Commands.GetProcessCommand"
            }
        }

        #issue 2076
        It 'ErrorAction and WarningAction are the only action preferences do not support suspend' -Pending{
            $params = [System.Management.Automation.Internal.CommonParameters].GetProperties().Name | Select-String Action

            $suspendErrors = $null 
            $num=0  
                        
            $params | % {
                        $input=@{'InputObject' = 'Test';$_='Suspend'}
                        
                        try {
                            Write-Output @input
                            } catch {
                                $_.FullyQualifiedErrorId | Should Be "ParameterBindingFailed,Microsoft.PowerShell.Commands.WriteOutputCommand"
                                $num++
                            }
                    }            
            $num | Should Be 2
        }
}