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Merge pull request #881 from PowerShell/andschwa/fix-clear-variable-test

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Fix clear variable test
This commit is contained in:
Andy Schwartzmeyer 2016-04-20 14:27:02 -07:00
parent 2e35484e31 957966508f
commit efc24f1976
1 changed files with 55 additions and 57 deletions
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112
test/powershell/Clear-Variable.Tests.ps1
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@ -1,4 +1,3 @@
Describe "Clear-Variable DRT Unit Tests" -Tags DRT{
It "Clear-Variable normal variable Name should works"{
Set-Variable foo bar
@ -9,19 +8,19 @@ Describe "Clear-Variable DRT Unit Tests" -Tags DRT{
$var1.Options|Should Be "None"
$var1.Description|Should Be ""
}
It "Clear-Variable ReadOnly variable Name should throw exception and force Clear-Variable should works"{
Set-Variable foo bar -Option ReadOnly
try {
Clear-Variable -Name foo -EA Stop
Throw "Execution OK"
}
}
catch {
$_.CategoryInfo| Should Match "SessionStateUnauthorizedAccessException"
$_.FullyQualifiedErrorId | Should Be "VariableNotWritable,Microsoft.PowerShell.Commands.ClearVariableCommand"
}
Clear-Variable -Name foo -Force
$var1=Get-Variable -Name foo
$var1.Name|Should Be "foo"
@ -29,68 +28,67 @@ Describe "Clear-Variable DRT Unit Tests" -Tags DRT{
$var1.Options|Should Be "ReadOnly"
$var1.Description|Should Be ""
}
It "Clear-Variable normal variable Name with local scope should works"{
Set-Variable foo bar
&{
Set-Variable foo baz
$foo | should be baz
Clear-Variable -Name foo -Scope "local"
$var1=Get-Variable -Name foo -Scope "local"
$var1.Name|Should Be "foo"
$var1.Value|Should Be $null
$var1.Options|Should Be "None"
$var1.Description|Should Be ""
}
$var1=Get-Variable -Name foo
$var1.Name|Should Be "foo"
$var1.Value|Should Be "bar"
$var1.Options|Should Be "None"
$var1.Description|Should Be ""
}
It "Clear-Variable Private variable Name should works and Get-Variable with local scope should throw exception"{
Set-Variable foo bar -Option Private
&{
Clear-Variable -Name foo
try {
Get-Variable -Name foo -Scope local -EA Stop
Throw "Execution OK"
}
}
catch {
$_.CategoryInfo| Should Match "ItemNotFoundException"
$_.FullyQualifiedErrorId | Should Be "VariableNotFound,Microsoft.PowerShell.Commands.GetVariableCommand"
}
}
$var1=Get-Variable -Name foo
$var1.Name|Should Be "foo"
$var1.Value|Should Be "bar"
$var1.Options|Should Be "Private"
$var1.Description|Should Be ""
}
It "Clear-Variable normal variable Name with local scope should works in different scope"{
Set-Variable foo bar
&{
Set-Variable foo baz
Clear-Variable -Name foo -Scope "local"
$var1=Get-Variable -Name foo -Scope "local"
$var1.Name|Should Be "foo"
$var1.Value|Should Be $null
$var1.Options|Should Be "None"
$var1.Description|Should Be ""
}
$var1=Get-Variable -Name foo
$var1.Name|Should Be "foo"
$var1.Value|Should Be "bar"
$var1.Options|Should Be "None"
$var1.Description|Should Be ""
$var1=Get-Variable -Name foo -Scope "local"
$var1.Name|Should Be "foo"
$var1.Value|Should Be "bar"
@ -100,29 +98,29 @@ Describe "Clear-Variable DRT Unit Tests" -Tags DRT{
}
Describe "Clear-Variable" {
BeforeEach {
BeforeEach {
$var1 = 3
}
}
It "Should be able to clear a variable using the Name switch" {
It "Should be able to clear a variable using the Name switch" {
Clear-Variable -Name var1
$var1 | Should BeNullOrEmpty
{ Get-Variable var1 } | Should Not Throw
}
}
It "Should be able to clear a variable without using the Name switch" {
It "Should be able to clear a variable without using the Name switch" {
Clear-Variable var1
$var1 | Should BeNullOrEmpty
{ Get-Variable var1 } | Should Not Throw
}
}
It "Should work using the clv alias" {
It "Should work using the clv alias" {
clv -Name var1
$var1 | Should BeNullOrEmpty
{ Get-Variable var1 } | Should Not Throw
}
}
It "Should be able to include a set of variables to clear" {
It "Should be able to include a set of variables to clear" {
$var1 = 2
$var2 = 3
$var3 = 4
@ -142,9 +140,9 @@ Describe "Clear-Variable" {
$var2 | Should Not BeNullOrEmpty
$var3 | Should Not BeNullOrEmpty
}
}
It "Should be able to exclude a set of variables to clear" {
It "Should be able to exclude a set of variables to clear" {
$var1 = 2
$var2 = 3
$var3 = 4
@ -163,19 +161,19 @@ Describe "Clear-Variable" {
$var3 | Should Not BeNullOrEmpty
$w | Should BeNullOrEmpty
}
}
It "Should be able to pass the cleared object through the pipeline using the passthru switch" {
It "Should be able to pass the cleared object through the pipeline using the passthru switch" {
{ Clear-Variable -Name var1 -PassThru | Format-Wide -Property Value } | Should Not Throw
}
}
It "Should not clear environment variables" {
It "Should not clear environment variables" {
$env:TEMPVARIABLE = "test data"
{Clear-Variable -Name env:TEMPVARIABLE -ErrorAction Stop} | Should Throw
}
}
It "Should clear variable even if it is read-only using the Force parameter" {
It "Should clear variable even if it is read-only using the Force parameter" {
try
{
New-Variable -Name var2 -Option ReadOnly -Value 100
@ -190,9 +188,9 @@ Describe "Clear-Variable" {
{
Remove-Variable -Name var2 -Force
}
}
}
It "Should throw error when trying to clear variable that is read-only without using the Force parameter" {
It "Should throw error when trying to clear variable that is read-only without using the Force parameter" {
New-Variable -Name var2 -Option ReadOnly -Value 100
try {
Clear-Variable -Name var2 -ea stop
@ -204,67 +202,67 @@ Describe "Clear-Variable" {
$var2 | Should Not BeNullOrEmpty
Remove-Variable -Name var2 -Force
}
}
Context "Scope Tests" {
Context "Scope Tests" {
# This will violate the DRY principle. Tread softly.
It "Should be able to clear a global scope variable using the global switch" {
New-Variable globalVar -Value 1 -Scope global -Force
New-Variable globalVar -Value 1 -Scope global -Force
Clear-Variable -Name globalVar -Scope global
Clear-Variable -Name globalVar -Scope global
$globalVar | Should BeNullOrEmpty
$globalVar | Should BeNullOrEmpty
}
It "Should not be able to clear a global scope variable using the local switch" {
New-Variable globalVar -Value 1 -Scope global -Force
New-Variable globalVar -Value 1 -Scope global -Force
{Clear-Variable -Name globalVar -Scope local -ErrorAction Stop} | Should Throw
{Clear-Variable -Name globalVar -Scope local -ErrorAction Stop} | Should Throw
}
It "Should not be able to clear a global variable using the script scope switch" {
New-Variable globalVar -Value 1 -Scope global -Force
New-Variable globalVar -Value 1 -Scope global -Force
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
}
It "Should be able to clear an item locally using the local switch" {
New-Variable localVar -Value 2 -Scope local -Force
New-Variable localVar -Value 2 -Scope local -Force
Clear-Variable -Name localVar -Scope local
Clear-Variable -Name localVar -Scope local
$localVar | Should BeNullOrEmpty
$localVar | Should BeNullOrEmpty
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
}
It "Should not be able to clear an item locally using the global switch" {
New-Variable localVar -Value 2 -Scope local -Force
New-Variable localVar -Value 2 -Scope local -Force
{Clear-Variable -Name localVar -Scope global -ErrorAction Stop} | Should Throw
{Clear-Variable -Name localVar -Scope global -ErrorAction Stop} | Should Throw
}
It "Should not be able to clear a local variable using the script scope switch" {
New-Variable localVar -Value 2 -Scope local -Force
New-Variable localVar -Value 2 -Scope local -Force
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
{Clear-Variable -Name localVar -Scope script -ErrorAction Stop} | Should Throw
}
It "Should be able to clear a script variable created using the script switch" {
{
{
New-Variable -Name derp2 -Value 3 -Scope script -Force
Clear-Variable -Name derp2 -Scope script
}| Should Not Throw
}| Should Not Throw
}
It "Should be able to clear a global script variable that was created using the script scope switch" {
{
{
New-Variable -Name derpx -Value 4 -Scope script -Force
Clear-Variable -Name derpx -Scope script
} | Should Not Throw
} | Should Not Throw
}
}
}
}