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