Add Clear-Variable Pester Unit Test
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Describe "Clear-Variable DRT Unit Tests" -Tags DRT{
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It "Clear-Variable normal variable Name should works"{
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Set-Variable foo bar
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Clear-Variable -Name foo
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$var1=Get-Variable -Name foo
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be $null
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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}
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It "Clear-Variable ReadOnly variable Name should throw exception and force Clear-Variable should works"{
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Set-Variable foo bar -Option ReadOnly
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try {
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Clear-Variable -Name foo -EA Stop
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Throw "Execution OK"
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}
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catch {
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$_.CategoryInfo| Should Match "SessionStateUnauthorizedAccessException"
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#Comment below because Pester has bug, it will show error for below code.
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#Error:
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#-] Clear-Variable ReadOnly variable Name should throw exception and force Clear-Variable should works 526ms
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#The term 'Sort' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
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#at line: 18 in /workspace/PowerShell/src/Microsoft.PowerShell.CoreConsoleHost/bin/Linux/netstandardapp1.5/ubuntu.14.04-x64/Modules/Pester/Functions/Assertions/Be.ps1
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#Code:
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#$_.FullyQualifiedErrorId | Should Be "VariableNotWritable,Microsoft.PowerShell.Commands.ClearAliasCommand"
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}
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Clear-Variable -Name foo -Force
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$var1=Get-Variable -Name foo
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be $null
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$var1.Options|Should Be "ReadOnly"
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$var1.Description|Should Be ""
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}
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It "Clear-Variable normal variable Name with local scope should works"{
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Set-Variable foo bar
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&{
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Set-Variable foo baz
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Clear-Variable -Name foo -Scope "local"
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$var1=Get-Variable -Name foo -Scope "local"
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be $null
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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}
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$var1=Get-Variable -Name foo
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be "bar"
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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}
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It "Clear-Variable Private variable Name should works and Get-Variable with local scope should throw exception"{
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Set-Variable foo bar -Option Private
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{
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Clear-Variable -Name foo
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try {
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Get-Variable -Name foo -Scope local
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Throw "Execution OK"
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}
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catch {
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$_.CategoryInfo| Should Match "RuntimeException"
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}
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}
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$var1=Get-Variable -Name foo
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be "bar"
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$var1.Options|Should Be "Private"
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$var1.Description|Should Be ""
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}
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It "Clear-Variable normal variable Name with local scope should works in different scope"{
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Set-Variable foo bar
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&{
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Set-Variable foo baz
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Clear-Variable -Name foo -Scope "local"
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$var1=Get-Variable -Name foo -Scope "local"
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be $null
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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}
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$var1=Get-Variable -Name foo
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be "bar"
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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$var1=Get-Variable -Name foo -Scope "local"
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$var1.Name|Should Be "foo"
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$var1.Value|Should Be "bar"
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$var1.Options|Should Be "None"
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$var1.Description|Should Be ""
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}
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}
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Describe "Clear-Variable" {
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Describe "Clear-Variable" {
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BeforeEach {
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BeforeEach {
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$var1 = 3
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$var1 = 3
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