194 lines
6 KiB
PowerShell
194 lines
6 KiB
PowerShell
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Describe "Get-Variable DRT Unit Tests" -Tags DRT{
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It "Get-Variable of not existing variable Name should throw ItemNotFoundException"{
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try {
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Get-Variable -EA Stop -Name nonexistingVariableName
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Throw "Execution OK"
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}
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catch {
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$_.FullyQualifiedErrorId | Should be "VariableNotFound,Microsoft.PowerShell.Commands.GetVariableCommand"
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}
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}
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It "Get-Variable of existing variable Name with include and bogus exclude should work"{
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Set-Variable newVar testing
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$var1=get-variable -Name newVar -Include newVar -Exclude bogus
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$var1.Name|Should Be "newVar"
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$var1.Value|Should Be "testing"
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}
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It "Get-Variable of existing variable Name with Description and Option should work"{
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Set-Variable newVar testing -Option ReadOnly -Description "testing description"
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$var1=get-variable -Name newVar
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$var1.Name|Should Be "newVar"
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$var1.Value|Should Be "testing"
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$var1.Options|Should Be "ReadOnly"
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$var1.Description|Should Be "testing description"
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}
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It "Get-Variable of existing variable Globbing Name should work"{
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Set-Variable abcaVar testing
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Set-Variable bcdaVar "another test"
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Set-Variable aVarfoo wow
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$var1=get-variable -Name *aVar* -Scope local
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$var1.Count | Should be 3
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$var1[0].Name|Should Be "abcaVar"
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$var1[0].Value|Should Be "testing"
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$var1[1].Name|Should Be "aVarfoo"
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$var1[1].Value|Should Be "wow"
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$var1[2].Name|Should Be "bcdaVar"
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$var1[2].Value|Should Be "another test"
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}
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It "Get-Variable of existing private variable Name should throw ItemNotFoundException"{
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try {
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Set-Variable newVar testing -Option Private
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&{Get-Variable -Name newVar -EA Stop}
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Throw "Execution OK"
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}
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catch {
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$_.FullyQualifiedErrorId | Should be "VariableNotFound,Microsoft.PowerShell.Commands.GetVariableCommand"
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}
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}
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}
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Describe "Get-Variable" {
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It "Should be able to call with no parameters without error" {
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{ Get-Variable } | Should Not Throw
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}
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It "Should return environment variables when called with no parameters" {
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(Get-Variable).Name -contains "$" | Should Be $true
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(Get-Variable).Name -contains "?" | Should Be $true
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(Get-Variable).Name -contains "HOST" | Should Be $true
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(Get-Variable).Name -contains "PWD" | Should Be $true
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(Get-Variable).Name -contains "PID" | Should Be $true
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(Get-Variable).Name -contains "^" | Should Be $true
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}
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It "Should return the value of an object" {
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New-Variable -Name tempVar -Value 1
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(Get-Variable tempVar).Value | Should Be (1)
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}
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It "Should be able to call using the gv alias" {
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(get-alias gv).Definition | Should be "Get-Variable"
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}
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It "Should be able to call using the Name switch" {
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New-Variable -Name var1 -Value 4
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{ Get-Variable -Name var1 } | Should Not Throw
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(Get-Variable -Name var1).Value | Should Be 4
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Remove-Variable var1
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}
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It "Should be able to use wildcard characters in the Name field" {
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New-Variable -Name var1 -Value 4
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New-Variable -Name var2 -Value "test"
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(Get-Variable -Name var*).Value[0] | Should be 4
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(Get-Variable -Name var*).Value[1] | Should be "test"
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Remove-Variable var1
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Remove-Variable var2
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}
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It "Should return only the value if the value switch is used" {
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New-Variable -Name var1 -Value 4
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Get-Variable -Name var1 -ValueOnly | Should be 4
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Remove-Variable var1
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}
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It "Should pipe string to the name field without the Name field being specified"{
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New-Variable -Name var1 -Value 3
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("var1" | Get-Variable ).Value | Should Be 3
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Remove-Variable var1
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}
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It "Should be able to include a set of variables to get" {
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New-Variable -Name var1 -Value 4
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New-Variable -Name var2 -Value 2
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$actual = Get-Variable -Include var1, var2
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$actual[0].Name | Should Be var1
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$actual[1].Name | Should Be var2
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$actual[0].Value | Should Be 4
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$actual[1].Value | Should Be 2
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Remove-Variable var1
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Remove-Variable var2
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}
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It "Should be able to exclude a set of variables to get" {
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New-Variable -Name var1 -Value 4
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New-Variable -Name var2 -Value 2
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New-Variable -Name var3 -Value "test"
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$actual = Get-Variable -Exclude var1, var2
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$actual.Name -contains "var3" | Should Be $true
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}
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Context "Scope Tests" {
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# This will violate the DRY principle. Tread softly.
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It "Should be able to get a global scope variable using the global switch" {
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New-Variable globalVar -Value 1 -Scope global -Force
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(Get-Variable -Name globalVar -Scope global).Value | Should Be 1
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}
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It "Should not be able to clear a global scope variable using the local switch" {
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New-Variable globalVar -Value 1 -Scope global -Force
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Get-Variable -Name globalVar -Scope local -ErrorAction SilentlyContinue | Should Throw
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}
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It "Should be able to get a global variable when there's one in the script scope" {
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New-Variable globalVar -Value 1 -Scope global -Force
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{ New-Variable globalVar -Value 2 -Scope script -Force}
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(Get-Variable -Name globalVar).Value | Should Be 1
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}
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It "Should be able to get an item locally using the local switch" {
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{
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New-Variable localVar -Value 1 -Scope local -Force
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Get-Variable -Name localVar -Scope local
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} | Should Not Throw
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}
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It "Should be able to get a variable created in the global scope when there's one in local scope" {
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New-Variable localVar -Value 1 -Scope local -Force
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New-Variable localVar -Value 2 -Scope global -Force
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(Get-Variable -Name localVar -Scope global).Value | Should Be 2
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}
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It "Should be able to get a script variable created using the script switch" {
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{
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New-Variable scriptVar -Value 1 -Scope script -Force
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Get-Variable -Name scriptVar -Scope script
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} | Should Not Throw
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}
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It "Should be able to clear a global script variable that was created using the script scope switch" {
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{
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New-Variable scriptVar -Value 1 -Scope script -Force
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Get-Variable -Name scriptVar -Scope script
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} | Should Not Throw
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}
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}
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}
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