Tests/Unit/MSFT_xClusterPreferredOwner.Tests.ps1
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$script:DSCModuleName = 'xFailOverCluster' $script:DSCResourceName = 'MSFT_xClusterPreferredOwner' #region Header # Unit Test Template Version: 1.2.0 $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 (Join-Path -Path 'DSCResource.Tests' -ChildPath 'TestHelper.psm1')) -Force $TestEnvironment = Initialize-TestEnvironment ` -DSCModuleName $script:DSCModuleName ` -DSCResourceName $script:DSCResourceName ` -TestType Unit #endregion Header function Invoke-TestSetup { Import-Module -Name (Join-Path -Path (Join-Path -Path (Join-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'Tests') -ChildPath 'Unit') -ChildPath 'Stubs') -ChildPath 'FailoverClusters.stubs.psm1') -Global -Force } function Invoke-TestCleanup { Restore-TestEnvironment -TestEnvironment $TestEnvironment } # Begin Testing try { Invoke-TestSetup InModuleScope $script:DSCResourceName { $mockPreferredOwnerNode1 = 'Node1' $mockPreferredOwnerNode2 = 'Node2' $mockPreferredOwnerNode3 = 'Node3' $mockDesiredPreferredOwnerNodes = @($mockPreferredOwnerNode1, $mockPreferredOwnerNode2) $mockAllPreferredOwnerNodes = @($mockPreferredOwnerNode1, $mockPreferredOwnerNode2, $mockPreferredOwnerNode3) $mockWrongPreferredOwnerNode1 = 'Node4' $mockWrongPreferredOwnerNode2 = 'Node5' $mockWrongPreferredOwnerNodes = @($mockWrongPreferredOwnerNode1, $mockWrongPreferredOwnerNode2) $mockKnownClusterResourceName = 'Resource1' $mockUnknownClusterResourceName = 'UnknownResource' $mockDefaultTestParameters = @{ ClusterGroup = 'ClusterGroup1' ClusterName = 'ClusterName1' } $mockTestParameters_Present_DesiredPreferredOwners = $mockDefaultTestParameters.Clone() $mockTestParameters_Present_DesiredPreferredOwners += @{ Nodes = $mockDesiredPreferredOwnerNodes ClusterResources = $mockKnownClusterResourceName Ensure = 'Present' } $mockTestParameters_Present_AllPreferredOwners = $mockDefaultTestParameters.Clone() $mockTestParameters_Present_AllPreferredOwners += @{ Nodes = $mockAllPreferredOwnerNodes ClusterResources = $mockKnownClusterResourceName Ensure = 'Present' } $mockTestParameters_Present_WrongPreferredOwnerNodes = $mockDefaultTestParameters.Clone() $mockTestParameters_Present_WrongPreferredOwnerNodes += @{ Nodes = $mockWrongPreferredOwnerNodes ClusterResources = $mockKnownClusterResourceName Ensure = 'Present' } $mockTestParameters_Present_WrongClusterResources = $mockDefaultTestParameters.Clone() $mockTestParameters_Present_WrongClusterResources += @{ Nodes = $mockDesiredPreferredOwnerNodes ClusterResources = $mockUnknownClusterResourceName Ensure = 'Present' } $mockTestParameters_Absent_ButPreferredOwnersExist = $mockDefaultTestParameters.Clone() $mockTestParameters_Absent_ButPreferredOwnersExist += @{ Nodes = $mockDesiredPreferredOwnerNodes ClusterResources = $mockKnownClusterResourceName Ensure = 'Absent' } $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist = $mockDefaultTestParameters.Clone() $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist += @{ Nodes = $mockWrongPreferredOwnerNodes ClusterResources = $mockKnownClusterResourceName Ensure = 'Absent' } $mockGetClusterGroup = { @{ Name = 'ClusterGroup1' OwnerNode = 'Node1' State = 'Online' } } $mockGetClusterGroup_ParameterFilter = { $Cluster -eq 'ClusterName1' } $GetClusterOwnerNode = { @{ ClusterObject = 'ClusterName1' OwnerNodes = @( @{name = $mockPreferredOwnerNode1} @{name = $mockPreferredOwnerNode2} @{name = $mockPreferredOwnerNode3} ) } } $mockGetClusterNode = { @{ Name = $mockDesiredPreferredOwnerNodes } } $mockGetClusterResource = { @{ Name = $mockKnownClusterResourceName State = 'Online' OwnerGroup = 'ClusterGroup1' ResourceType = 'type1' } } Describe 'xClusterDisk\Get-TargetResource' { BeforeAll { Mock -CommandName 'Get-ClusterGroup' -ParameterFilter $mockGetClusterGroup_ParameterFilter -MockWith $mockGetClusterGroup Mock -CommandName 'Get-ClusterOwnerNode' -MockWith $GetClusterOwnerNode Mock -CommandName 'Get-ClusterNode' -MockWith $mockGetClusterNode Mock -CommandName 'Get-ClusterResource' -MockWith $mockGetClusterResource } Context 'When the system is not in the desired state' { Context 'When Ensure is set to ''Present'' but the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should return the correct type' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_WrongPreferredOwnerNodes $getTargetResourceResult | Should -BeOfType [System.Collections.Hashtable] } It 'Should return the same values as passed as parameters' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_WrongPreferredOwnerNodes $getTargetResourceResult.ClusterGroup | Should -Be $mockTestParameters_Present_WrongPreferredOwnerNodes.ClusterGroup $getTargetResourceResult.ClusterName | Should -Be $mockTestParameters_Present_WrongPreferredOwnerNodes.ClusterName $getTargetResourceResult.Ensure | Should -Be $mockTestParameters_Present_WrongPreferredOwnerNodes.Ensure } It 'Should return the wrong preferred owner nodes and the right cluster resources' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_WrongPreferredOwnerNodes $getTargetResourceResult.Nodes | Should -Not -Be $mockTestParameters_Present_WrongPreferredOwnerNodes.Nodes $getTargetResourceResult.ClusterResources | Should -Be $mockTestParameters_Present_WrongPreferredOwnerNodes.ClusterResources } } Context 'When Ensure is set to ''Present'' but the preferred owner is a possible owner of the cluster nodes but the cluster resources is missing' { It 'Should return the same values as passed as parameters' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_WrongClusterResources $getTargetResourceResult.ClusterGroup | Should -Be $mockTestParameters_Present_WrongClusterResources.ClusterGroup $getTargetResourceResult.ClusterName | Should -Be $mockTestParameters_Present_WrongClusterResources.ClusterName $getTargetResourceResult.Ensure | Should -Be $mockTestParameters_Present_WrongClusterResources.Ensure } It 'Should return the correct preferred owner nodes and the wrong cluster resources' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_WrongClusterResources $getTargetResourceResult.Nodes | Should -Be $mockAllPreferredOwnerNodes $getTargetResourceResult.ClusterResources | Should -Be $mockTestParameters_Present_WrongClusterResources.ClusterResources } } Context 'When Ensure is set to ''Absent'' and the preferred owner is still a possible owner of the cluster nodes and the cluster resources' { It 'Should return the same values as passed as parameters' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Absent_ButPreferredOwnersExist $getTargetResourceResult.ClusterGroup | Should -Be $mockTestParameters_Absent_ButPreferredOwnersExist.ClusterGroup $getTargetResourceResult.ClusterName | Should -Be $mockTestParameters_Absent_ButPreferredOwnersExist.ClusterName $getTargetResourceResult.Ensure | Should -Be $mockTestParameters_Absent_ButPreferredOwnersExist.Ensure } It 'Should return the correct preferred owner nodes and the wrong cluster resources' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Absent_ButPreferredOwnersExist $getTargetResourceResult.Nodes | Should -Be $mockAllPreferredOwnerNodes $getTargetResourceResult.ClusterResources | Should -Be $mockTestParameters_Absent_ButPreferredOwnersExist.ClusterResources } } } Context 'When the system is in the desired state' { Context 'When Ensure is set to ''Present'' and the preferred owner is a possible owner of the cluster nodes and the cluster resources' { It 'Should return the same values as passed as parameters' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_DesiredPreferredOwners $getTargetResourceResult.ClusterGroup | Should -Be $mockTestParameters_Present_DesiredPreferredOwners.ClusterGroup $getTargetResourceResult.ClusterName | Should -Be $mockTestParameters_Present_DesiredPreferredOwners.ClusterName $getTargetResourceResult.Ensure | Should -Be $mockTestParameters_Present_DesiredPreferredOwners.Ensure } It 'Should return the right preferred owner nodes and the right cluster resources' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Present_DesiredPreferredOwners $getTargetResourceResult.Nodes | Should -Be $mockAllPreferredOwnerNodes $getTargetResourceResult.ClusterResources | Should -Be $mockTestParameters_Present_DesiredPreferredOwners.ClusterResources } } Context 'When Ensure is set to ''Absent'' and the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should return the same values as passed as parameters' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Absent_AndPreferredOwnersDoesNotExist $getTargetResourceResult.ClusterGroup | Should -Be $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist.ClusterGroup $getTargetResourceResult.ClusterName | Should -Be $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist.ClusterName $getTargetResourceResult.Ensure | Should -Be $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist.Ensure } It 'Should return the correct preferred owner nodes and the wrong cluster resources' { $getTargetResourceResult = Get-TargetResource @mockTestParameters_Absent_AndPreferredOwnersDoesNotExist $getTargetResourceResult.Nodes | Should -Not -Be $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist.Nodes $getTargetResourceResult.ClusterResources | Should -Be $mockTestParameters_Absent_AndPreferredOwnersDoesNotExist.ClusterResources } } } } Describe 'xClusterDisk\Test-TargetResource' { BeforeAll { Mock -CommandName 'Get-ClusterGroup' -ParameterFilter $mockGetClusterGroup_ParameterFilter -MockWith $mockGetClusterGroup Mock -CommandName 'Get-ClusterOwnerNode' -MockWith $GetClusterOwnerNode Mock -CommandName 'Get-ClusterNode' -MockWith $mockGetClusterNode Mock -CommandName 'Get-ClusterResource' -MockWith $mockGetClusterResource } Context 'When the system is not in the desired state' { Context 'When Ensure is set to ''Present'' but the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should return the result as $false ' { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Present_WrongPreferredOwnerNodes $testTargetResourceResult | Should -Be $false } } # This test is skipped due to a logic error in the code that needs to be fixed (issue #94). Context 'When Ensure is set to ''Present'' but the preferred owner is a possible owner of the cluster nodes but the cluster resources is missing' { It 'Should return the result as $false ' -Skip { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Present_WrongClusterResources $testTargetResourceResult | Should -Be $false } } Context 'When Ensure is set to ''Absent'' and the preferred owner is still a possible owner of the cluster nodes and the cluster resources' { It 'Should return the result as $false ' { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Absent_ButPreferredOwnersExist $testTargetResourceResult | Should -Be $false } } Context 'When Ensure is set to ''Present'' and the preferred owners is a possible owners of the cluster nodes and the cluster resources, but there are one additional preferred owner on the nodes that should not be present' { It 'Should return the result as $false ' { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Present_DesiredPreferredOwners $testTargetResourceResult | Should -Be $false } } } Context 'When the system is in the desired state' { Context 'When Ensure is set to ''Present'' and the preferred owner is a possible owner of the cluster nodes and the cluster resources' { It 'Should return the result as $true ' { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Present_AllPreferredOwners $testTargetResourceResult | Should -Be $true } } Context 'When Ensure is set to ''Absent'' and the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should return the result as $true ' { $testTargetResourceResult = Test-TargetResource @mockTestParameters_Absent_AndPreferredOwnersDoesNotExist $testTargetResourceResult | Should -Be $true } } } } Describe 'xClusterDisk\Set-TargetResource' { BeforeAll { Mock -CommandName 'Get-ClusterGroup' -ParameterFilter $mockGetClusterGroup_ParameterFilter -MockWith $mockGetClusterGroup Mock -CommandName 'Get-ClusterOwnerNode' -MockWith $GetClusterOwnerNode Mock -CommandName 'Get-ClusterNode' -MockWith $mockGetClusterNode Mock -CommandName 'Get-ClusterResource' -MockWith $mockGetClusterResource Mock -CommandName 'Set-ClusterOwnerNode' Mock -CommandName 'Move-ClusterGroup' } Context 'When the system is not in the desired state' { Context 'When Ensure is set to ''Present'' but the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should set the preferred owners' { { Set-TargetResource @mockTestParameters_Present_WrongPreferredOwnerNodes } | Should -Not -Throw # Called three times, one times for each node (2 nodes), and one time for each cluster resource (1 resource). Assert-MockCalled -CommandName 'Set-ClusterOwnerNode' -Exactly -Times 3 -Scope It # Moves the cluster group to the target node (issue #64 open). Assert-MockCalled -CommandName 'Move-ClusterGroup' -Exactly -Times 1 -Scope It } } Context 'When Ensure is set to ''Present'' but the preferred owner is a possible owner of the cluster nodes but the cluster resources is missing' { It 'Should set the preferred owners' { { Set-TargetResource @mockTestParameters_Present_WrongClusterResources } | Should -Not -Throw # Called two times, one times for each node (2 nodes), and not called for cluster resource because cluster resource is missing. Assert-MockCalled -CommandName 'Set-ClusterOwnerNode' -Exactly -Times 2 -Scope It # Moves the cluster group to the target node (issue #64 open). Assert-MockCalled -CommandName 'Move-ClusterGroup' -Exactly -Times 1 -Scope It } } Context 'When Ensure is set to ''Absent'' and the preferred owner is still a possible owner of the cluster nodes and the cluster resources' { It 'Should remove the preferred owners, leaving one preferred owner' { { Set-TargetResource @mockTestParameters_Absent_ButPreferredOwnersExist } | Should -Not -Throw # Called two times, one times for each node (2 nodes), and one time for each cluster resource (1 resource). Assert-MockCalled -CommandName 'Set-ClusterOwnerNode' -Exactly -Times 3 -Scope It # Moves the cluster group to the target node (issue #64 open). Assert-MockCalled -CommandName 'Move-ClusterGroup' -Exactly -Times 1 -Scope It } } } Context 'When the system is in the desired state' { # This tests wrongly calls Set-ClusterOwnerNode and Move-ClusterGroup. See issue #97. Context 'When Ensure is set to ''Present'' and the preferred owner is a possible owner of the cluster nodes and the cluster resources' { It 'Should do nothing' { { Set-TargetResource @mockTestParameters_Present_AllPreferredOwners } | Should -Not -Throw # Called two times, one times for each node (2 nodes), and one time for each cluster resource (1 resource). Assert-MockCalled -CommandName 'Set-ClusterOwnerNode' -Exactly -Times 3 -Scope It # Moves the cluster group to the target node (issue #64 open). Assert-MockCalled -CommandName 'Move-ClusterGroup' -Exactly -Times 1 -Scope It } } # This tests wrongly calls Set-ClusterOwnerNode and Move-ClusterGroup. See issue #97. Context 'When Ensure is set to ''Absent'' and the preferred owner is not a possible owner of the cluster nodes and the cluster resources' { It 'Should do nothing' { { Set-TargetResource @mockTestParameters_Absent_AndPreferredOwnersDoesNotExist } | Should -Not -Throw # Called two times, one times for each node (2 nodes), and one time for each cluster resource (1 resource). Assert-MockCalled -CommandName 'Set-ClusterOwnerNode' -Exactly -Times 3 -Scope It # Moves the cluster group to the target node (issue #64 open). Assert-MockCalled -CommandName 'Move-ClusterGroup' -Exactly -Times 1 -Scope It } } } } } } finally { Invoke-TestCleanup } |