NetworkingDsc

7.2.0.0

Tests/Unit/MSFT_DnsClientGlobalSetting.Tests.ps1

$script:DSCModuleName   = 'NetworkingDsc'
$script:DSCResourceName = 'MSFT_DnsClientGlobalSetting'

Import-Module -Name (Join-Path -Path (Join-Path -Path (Split-Path $PSScriptRoot -Parent) -ChildPath 'TestHelpers') -ChildPath 'CommonTestHelper.psm1') -Global

#region HEADER
# Unit Test Template Version: 1.1.0
[System.String] $script:moduleRoot = Split-Path -Parent (Split-Path -Parent $PSScriptRoot)
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 -Name (Join-Path -Path $script:moduleRoot -ChildPath 'DSCResource.Tests\TestHelper.psm1') -Force
$TestEnvironment = Initialize-TestEnvironment `
    -DSCModuleName $script:DSCModuleName `
    -DSCResourceName $script:DSCResourceName `
    -TestType Unit
#endregion HEADER

# Begin Testing
try
{
    #region Pester Tests
    InModuleScope $script:DSCResourceName {

        # Create the Mock Objects that will be used for running tests
        $dnsClientGlobalSettings = [PSObject]@{
            SuffixSearchList = 'contoso.com'
            DevolutionLevel  = 1
            UseDevolution    = $true
        }

        $dnsClientGlobalMultiSuffixSettings = [PSObject]@{
            SuffixSearchList = @('fabrikam.com', 'fourthcoffee.com')
            DevolutionLevel  = 1
            UseDevolution    = $true
        }

        $dnsClientGlobalSettingsSplat = [PSObject]@{
            IsSingleInstance = 'Yes'
            SuffixSearchList = $dnsClientGlobalSettings.SuffixSearchList
            DevolutionLevel  = $dnsClientGlobalSettings.DevolutionLevel
            UseDevolution    = $dnsClientGlobalSettings.UseDevolution
        }

        Describe "MSFT_DnsClientGlobalSetting\Get-TargetResource" {
            BeforeEach {
                Mock -CommandName Get-DnsClientGlobalSetting -MockWith { $dnsClientGlobalSettings }
            }

            Context 'DNS Client Global Settings Exists' {
                It 'Should return correct DNS Client Global Settings values' {
                    $getTargetResourceParameters = Get-TargetResource -IsSingleInstance 'Yes'
                    $getTargetResourceParameters.SuffixSearchList | Should -Be $dnsClientGlobalSettings.SuffixSearchList
                    $getTargetResourceParameters.DevolutionLevel  | Should -Be $dnsClientGlobalSettings.DevolutionLevel
                    $getTargetResourceParameters.UseDevolution    | Should -Be $dnsClientGlobalSettings.UseDevolution
                }

                It 'Should call the expected mocks' {
                    Assert-MockCalled -CommandName Get-DnsClientGlobalSetting -Exactly -Times 1
                }
            }
        }

        Describe "MSFT_DnsClientGlobalSetting\Set-TargetResource" {
            BeforeEach {
                Mock -CommandName Get-DnsClientGlobalSetting -MockWith { $dnsClientGlobalSettings }
            }

            Context 'DNS Client Global Settings all parameters are the same' {
                Mock -CommandName Set-DnsClientGlobalSetting

                It 'Should not throw error' {
                    {
                        $setTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        Set-TargetResource @setTargetResourceParameters
                    } | Should -Not -Throw
                }

                It 'Should call expected Mocks' {
                    Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    Assert-MockCalled -commandName Set-DnsClientGlobalSetting -Exactly -Times 0
                }
            }

            Context 'DNS Client Global Settings SuffixSearchList is different' {
                Mock -CommandName Set-DnsClientGlobalSetting

                It 'Should not throw error' {
                    {
                        $setTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $setTargetResourceParameters.SuffixSearchList = 'fabrikam.com'
                        Set-TargetResource @setTargetResourceParameters
                    } | Should -Not -Throw
                }

                It 'Should call expected Mocks' {
                    Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    Assert-MockCalled -commandName Set-DnsClientGlobalSetting -Exactly -Times 1
                }
            }

            Context 'DNS Client Global Settings SuffixSearchList Array is different' {
                $suffixSearchListArray = @('fabrikam.com', 'fourthcoffee.com')

                $setDnsClientGlobalMockParameterFilter = {
                    (Compare-Object -ReferenceObject $suffixSearchList -DifferenceObject $suffixSearchListArray -SyncWindow 0).Length -eq 0
                }

                Mock -CommandName Set-DnsClientGlobalSetting -ParameterFilter $setDnsClientGlobalMockParameterFilter

                It 'Should not throw error' {
                    {
                        $setTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $setTargetResourceParameters.SuffixSearchList = $suffixSearchListArray
                        Set-TargetResource @setTargetResourceParameters
                    } | Should -Not -Throw
                }

                It 'Should call expected Mocks' {
                    Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    Assert-MockCalled -commandName Set-DnsClientGlobalSetting -ParameterFilter $setDnsClientGlobalMockParameterFilter -Exactly -Times 1
                }
            }

            Context 'DNS Client Global Settings DevolutionLevel is different' {
                Mock -CommandName Set-DnsClientGlobalSetting

                It 'Should not throw error' {
                    {
                        $setTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $setTargetResourceParameters.DevolutionLevel = $setTargetResourceParameters.DevolutionLevel + 1
                        Set-TargetResource @setTargetResourceParameters
                    } | Should -Not -Throw
                }

                It 'Should call expected Mocks' {
                    Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    Assert-MockCalled -commandName Set-DnsClientGlobalSetting -Exactly -Times 1
                }
            }

            Context 'DNS Client Global Settings UseDevolution is different' {
                Mock -CommandName Set-DnsClientGlobalSetting

                It 'Should not throw error' {
                    {
                        $setTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $setTargetResourceParameters.UseDevolution = -not $setTargetResourceParameters.UseDevolution
                        Set-TargetResource @setTargetResourceParameters
                    } | Should -Not -Throw
                }

                It 'Should call expected Mocks' {
                    Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    Assert-MockCalled -commandName Set-DnsClientGlobalSetting -Exactly -Times 1
                }
            }
        }

        Describe "MSFT_DnsClientGlobalSetting\Test-TargetResource" {
            Context 'Single suffix is in the search list' {
                BeforeEach {
                    Mock -CommandName Get-DnsClientGlobalSetting -MockWith { $dnsClientGlobalSettings }
                }

                Context 'DNS Client Global Settings all parameters are the same' {
                    It 'Should return true' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        Test-TargetResource @testTargetResourceParameters | Should -Be $true
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }

                Context 'DNS Client Global Settings SuffixSearchList is different' {
                    It 'Should return false' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.SuffixSearchList = 'fabrikam.com'
                        Test-TargetResource @testTargetResourceParameters | Should -Be $False
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }

                Context 'DNS Client Global Settings DevolutionLevel is different' {
                    It 'Should return false' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.DevolutionLevel = $testTargetResourceParameters.DevolutionLevel + 1
                        Test-TargetResource @testTargetResourceParameters | Should -Be $False
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }

                Context 'DNS Client Global Settings UseDevolution is different' {
                    It 'Should return false' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.UseDevolution = -not $testTargetResourceParameters.UseDevolution
                        Test-TargetResource @testTargetResourceParameters | Should -Be $False
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }
            }

            Context 'Mulitple suffixes are in the search list' {
                BeforeEach {
                    Mock -CommandName Get-DnsClientGlobalSetting -MockWith { $dnsClientGlobalMultiSuffixSettings }
                }

                Context 'DNS Client Global Settings SuffixSearchList Array is different' {
                    It 'Should return false' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.SuffixSearchList = @('fabrikam.com', 'contoso.com')
                        Test-TargetResource @testTargetResourceParameters | Should -Be $False
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }

                Context 'DNS Client Global Settings SuffixSearchList Array Order is same' {
                    It 'Should return true' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.SuffixSearchList = @('fabrikam.com', 'fourthcoffee.com')
                        Test-TargetResource @testTargetResourceParameters | Should -Be $true
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }

                Context 'DNS Client Global Settings SuffixSearchList Array Order is different' {
                    It 'Should return false' {
                        $testTargetResourceParameters = $dnsClientGlobalSettingsSplat.Clone()
                        $testTargetResourceParameters.SuffixSearchList = @('fourthcoffee.com', 'fabrikam.com')
                        Test-TargetResource @testTargetResourceParameters | Should -Be $False
                    }

                    It 'Should call expected Mocks' {
                        Assert-MockCalled -commandName Get-DnsClientGlobalSetting -Exactly -Times 1
                    }
                }
            }
        }
    }
    #endregion
}
finally
{
    #region FOOTER
    Restore-TestEnvironment -TestEnvironment $TestEnvironment
    #endregion
}