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MSFT_PowerPlan.Tests.ps1
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MSFT_PowerPlan.Tests.ps1
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$script:DSCModuleName = 'ComputerManagementDsc'
$script:DSCResourceName = 'MSFT_PowerPlan'
Import-Module -Name (Join-Path -Path (Join-Path -Path (Split-Path $PSScriptRoot -Parent) -ChildPath 'TestHelpers') -ChildPath 'CommonTestHelper.psm1') -Global
# Unit Test Template Version: 1.2.0
$script:moduleRoot = Join-Path -Path $(Split-Path -Parent (Split-Path -Parent (Split-Path -Parent $Script:MyInvocation.MyCommand.Path))) -ChildPath 'Modules\ComputerManagementDsc'
if ( (-not (Test-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests'))) -or `
(-not (Test-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1'))) )
{
& git @('clone', 'https://github.com/PowerShell/DscResource.Tests.git', (Join-Path -Path $script:moduleRoot -ChildPath '\DSCResource.Tests\'))
}
Import-Module (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1') -Force
$TestEnvironment = Initialize-TestEnvironment `
-DSCModuleName $script:DSCModuleName `
-DSCResourceName $script:DSCResourceName `
-TestType Unit
#endregion HEADER
function Invoke-TestCleanup
{
Restore-TestEnvironment -TestEnvironment $TestEnvironment
}
# Begin Testing
try
{
# Assign the localized data from the module into a local variable
$LocalizedData = InModuleScope $script:DSCResourceName {
$LocalizedData
}
$testCases =@(
#Power plan as name specified
@{
Type = 'Name'
Name = 'High performance'
},
#Power plan as Guid specified
@{
Type = 'Guid'
Name = '8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
}
)
Describe "$($script:DSCResourceName)\Get-TargetResource" {
Context 'When the system is in the desired present state' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return @(
[PSCustomObject]@{
Name = 'High performance'
Guid = [Guid]'8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
IsActive = $true
},
[PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Power saver'
Guid = [Guid]'a1841308-3541-4fab-bc81-f71556f20b4a'
IsActive = $false
}
)
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should return the same values as passed as parameters (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
$result = Get-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose
$result.IsSingleInstance | Should -Be 'Yes'
$result.Name | Should -Be $Name
$result.IsActive | Should -Be $true
}
}
Context 'When the system is not in the desired present state' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return @(
[PSCustomObject]@{
Name = 'High performance'
Guid = [Guid]'8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Power saver'
Guid = [Guid]'a1841308-3541-4fab-bc81-f71556f20b4a'
IsActive = $true
}
)
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should return an inactive plan (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
$result = Get-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose
$result.IsSingleInstance | Should -Be 'Yes'
$result.Name | Should -Be $Name
$result.IsActive | Should -Be $false
}
}
Context 'When the preferred plan does not exist' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return [PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
}
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should throw the expected error (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
$errorRecord = Get-InvalidOperationRecord `
-Message ($LocalizedData.PowerPlanNotFound -f $Name)
{ Get-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose } | Should -Throw $errorRecord
}
}
Assert-VerifiableMock
}
Describe "$($script:DSCResourceName)\Set-TargetResource" {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return @(
[PSCustomObject]@{
Name = 'High performance'
Guid = [Guid]'8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Power saver'
Guid = [Guid]'a1841308-3541-4fab-bc81-f71556f20b4a'
IsActive = $true
}
)
} `
-ModuleName $script:DSCResourceName `
-Verifiable
Mock `
-CommandName Invoke-Expression `
-ParameterFilter {$Command -eq 'powercfg.exe /S 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
Context 'When the system is not in the desired present state' {
It 'Should call powercfg.exe /S only once (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
Set-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose
Assert-MockCalled -CommandName Invoke-Expression -Exactly -Times 1 -Scope It -ModuleName $script:DSCResourceName
}
}
Context 'When the preferred plan does not exist' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return [PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
}
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should throw the expected error (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
$errorRecord = Get-InvalidOperationRecord `
-Message ($LocalizedData.PowerPlanNotFound -f $Name)
{ Set-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose } | Should -Throw $errorRecord
}
}
Context 'When the powercfg.exe throws an invalid parameters error' {
It 'Should catch the correct error thrown (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
Mock `
-CommandName Invoke-Expression `
-MockWith { Throw 'powercfg : Invalid Parameters -- try "/?" for help' } `
-ParameterFilter {$Command -like 'powercfg.exe /S *'} `
-ModuleName $script:DSCResourceName `
-Verifiable
$errorRecord = Get-InvalidOperationRecord `
-Message ($LocalizedData.PowerPlanWasUnableToBeSet -f $Name, 'powercfg : Invalid Parameters -- try "/?" for help')
{ Set-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose} | Should -Throw $errorRecord
}
}
Assert-VerifiableMock
}
Describe "$($script:DSCResourceName)\Test-TargetResource" {
Context 'When the system is in the desired present state' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return @(
[PSCustomObject]@{
Name = 'High performance'
Guid = [Guid]'8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
IsActive = $true
},
[PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Power saver'
Guid = [Guid]'a1841308-3541-4fab-bc81-f71556f20b4a'
IsActive = $false
}
)
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should return the the state as present ($true) (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
Test-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose | Should -Be $true
}
}
Context 'When the system is not in the desired state' {
BeforeEach {
Mock `
-CommandName Get-PowerPlans `
-MockWith {
return @(
[PSCustomObject]@{
Name = 'High performance'
Guid = [Guid]'8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Balanced'
Guid = [Guid]'381b4222-f694-41f0-9685-ff5bb260df2e'
IsActive = $false
},
[PSCustomObject]@{
Name = 'Power saver'
Guid = [Guid]'a1841308-3541-4fab-bc81-f71556f20b4a'
IsActive = $true
}
)
} `
-ModuleName $script:DSCResourceName `
-Verifiable
}
It 'Should return the the state as absent ($false) (power plan specified as <Type>)' -TestCases $testCases {
Param(
[String]
$Name
)
Test-TargetResource -Name $Name -IsSingleInstance 'Yes' -Verbose | Should -Be $false
}
}
Assert-VerifiableMock
}
}
finally
{
Invoke-TestCleanup
}