259 lines
8.6 KiB
PowerShell
259 lines
8.6 KiB
PowerShell
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# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License.
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using namespace Microsoft.PowerShell.Commands
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# Take a hashtable and return two copies,
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# one with the key/value pair, the other without
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function PermuteHashtableOnProperty
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{
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param([hashtable[]]$Hashtable, [string]$Key, [object]$Value)
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foreach ($ht in $Hashtable)
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{
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$ht.Clone()
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}
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foreach ($ht in $Hashtable)
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{
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$ht2 = $ht.Clone()
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$ht2.$Key = $Value
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$ht2
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}
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}
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# Take a base hashtable and produce all possible
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# combinations of that hashtable with the keys
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# and values in the key/value hashtable
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function PermuteHashtable
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{
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param([hashtable]$InitialTable, [hashtable]$KeyValues)
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$l = $InitialTable
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foreach ($key in $KeyValues.Keys)
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{
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$l = PermuteHashtableOnProperty -Hashtable $l -Key $key -Value $KeyValues[$key]
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}
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$l
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}
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$guid = [guid]::NewGuid()
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$modSpecRequired = @{
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ModuleName = "ModSpecRequired"
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RequiredVersion = "3.0.2"
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}
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$requiredOptionalConstraints = @{ Guid = $guid }
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$modSpecRange = @{
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ModuleName = "ModSpecRequired"
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ModuleVersion = "3.0.1"
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}
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$rangeOptionalConstraints = @{ MaximumVersion = "3.2.0"; Guid = $guid }
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Describe "ModuleSpecification objects and logic" -Tag "CI" {
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BeforeAll {
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$testCases = [System.Collections.Generic.List[hashtable]]::new()
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foreach ($case in (PermuteHashtable -InitialTable $modSpecRequired -KeyValues $requiredOptionalConstraints))
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{
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$testCases.Add(@{
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ModuleSpecification = $case
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Keys = ($case.Keys -join ",")
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})
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}
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foreach ($case in (PermuteHashtable -InitialTable $modSpecRange -KeyValues $rangeOptionalConstraints))
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{
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$testCases.Add(@{
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ModuleSpecification = $case
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Keys = ($case.Keys -join ",")
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})
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}
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$testCases = $testCases.ToArray()
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}
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Context "ModuleSpecification construction and string parsing" {
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BeforeAll {
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$differentFieldCases = @(
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@{
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TestName = "Guid"
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ModSpec1 = @{ Guid = [guid]::NewGuid(); ModuleName = "TestModule"; ModuleVersion = "1.0" }
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ModSpec2 = @{ Guid = [guid]::NewGuid(); ModuleName = "TestModule"; ModuleVersion = "1.0" }
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},
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@{
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TestName = "RequiredVersion"
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ModSpec1 = @{ ModuleName = "Module"; RequiredVersion = "3.0" }
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ModSpec2 = @{ ModuleName = "Module"; RequiredVersion = "3.1" }
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},
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@{
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TestName = "Version/MaxVersion-present"
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ModSpec1 = @{ ModuleName = "ThirdModule"; ModuleVersion = "2.1" }
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ModSpec2 = @{ ModuleName = "ThirdModule"; MaximumVersion = "2.1" }
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},
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@{
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TestName = "RequiredVersion/Version-present"
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ModSpec1 = @{ ModuleName = "FourthModule"; RequiredVersion = "3.0" }
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ModSpec2 = @{ ModuleName = "FourthModule"; ModuleVersion = "3.0" }
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}
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)
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}
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It "Can be created from a name" {
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$ms = [ModuleSpecification]::new("NamedModule")
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$ms | Should -Not -BeNull
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$ms.Name | Should -BeExactly "NamedModule"
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}
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It "Can be created from Hashtable with keys: <Keys>" -TestCases $testCases {
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param([hashtable]$ModuleSpecification, [string]$Keys)
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$ms = [ModuleSpecification]::new($ModuleSpecification)
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$ms.Name | Should -BeExactly $ModuleSpecification.ModuleName
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if ($ModuleSpecification.Guid)
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{
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$ms.Guid | Should -Be $ModuleSpecification.Guid
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}
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if ($ModuleSpecification.ModuleVersion)
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{
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$ms.Version | Should -Be $ModuleSpecification.ModuleVersion
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}
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if ($ModuleSpecification.RequiredVersion)
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{
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$ms.RequiredVersion | Should -Be $ModuleSpecification.RequiredVersion
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}
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if ($ModuleSpecification.MaximumVersion)
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{
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$ms.MaximumVersion | Should -Be $ModuleSpecification.MaximumVersion
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}
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}
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It "Can be reconstructed from self.ToString() with keys: <Keys>" -TestCases $testCases {
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param([hashtable]$ModuleSpecification, [string]$Keys)
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$ms = [ModuleSpecification]::new($ModuleSpecification)
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[ModuleSpecification]$clone = $null
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[ModuleSpecification]::TryParse(($ms.ToString()), [ref]$clone) | Should -BeTrue
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$clone.Name | Should -Be $ModuleSpecification.ModuleName
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if ($ModuleSpecification.RequiredVersion)
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{
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$clone.RequiredVersion | Should -Be $ModuleSpecification.RequiredVersion
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}
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if ($ModuleSpecification.Version)
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{
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$clone.Version | Should -Be $ModuleSpecification.Version
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}
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if ($ModuleSpecification.MaximumVersion)
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{
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$clone.MaximumVersion | Should -Be $ModuleSpecification.MaximumVersion
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}
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if ($ModuleSpecification.Guid)
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{
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$clone.Guid | Should -Be $ModuleSpecification.Guid
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}
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}
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}
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Context "ModuleSpecification comparison" {
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BeforeAll {
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$modSpecAsm = [ModuleSpecification].Assembly
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$modSpecComparerType = $modSpecAsm.GetType("Microsoft.PowerShell.Commands.ModuleSpecificationComparer")
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$comparer = [System.Activator]::CreateInstance($modSpecComparerType)
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}
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It "Module specifications with same fields <Keys> are equal" -TestCases $testCases {
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param([hashtable]$ModuleSpecification, [string]$Keys)
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$ms = [ModuleSpecification]::new($ModuleSpecification)
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$ms2 = [ModuleSpecification]::new($ModuleSpecification)
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$comparer.Equals($ms, $ms2) | Should -BeTrue
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}
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It "Module specifications with same fields <Keys> have the same hash code" -TestCases $testCases {
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param([hashtable]$ModuleSpecification, [string]$Keys)
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$ms = [ModuleSpecification]::new($ModuleSpecification)
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$ms2 = [ModuleSpecification]::new($ModuleSpecification)
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$comparer.GetHashCode($ms) | Should -Be $comparer.GetHashCode($ms2)
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}
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It "Module specifications with different <TestName> fields are not equal" -TestCases $differentFieldCases {
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param($TestName, $ModSpec1, $ModSpec2)
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$ms1 = [ModuleSpecification]::new($ModSpec1)
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$ms2 = [ModuleSpecification]::new($ModSpec2)
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$comparer.Equals($ms1, $ms2) | Should -BeFalse
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}
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It "Compares two null module specifications as equal" {
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$comparer.Equals($null, $null) | Should -BeTrue
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}
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It "Compares a null module specification with another as unequal" {
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$ms = [ModuleSpecification]::new(@{
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MOduleName = "NonNullModule"
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Guid = [guid]::NewGuid()
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RequiredVersion = "3.2.1"
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})
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$comparer.Equals($ms, $null) | Should -BeFalse
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}
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It "Succeeds to get a hash code from a null module specification" {
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$comparer.GetHashCode($null) | Should -Not -BeNull
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}
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}
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Context "Invalid ModuleSpecification initialization" {
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BeforeAll {
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$testCases = @(
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@{
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TestName = "Version+RequiredVersion"
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ModuleSpecification = @{ Name = "BadVersionModule"; ModuleVersion = "3.1"; RequiredVersion = "3.1" }
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},
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@{
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TestName = "NoName"
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ModuleSpecification = @{ ModuleVersion = "0.2" }
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},
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@{
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TestName = "BadField"
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ModuleSpecification = @{ Name = "StrangeFieldModule"; RequiredVersion = "7.4"; Duck = "1.2" }
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},
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@{
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TestName = "BadType"
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ModuleSpecification = @{ Name = "BadTypeModule"; RequiredVersion = "Hello!" }
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}
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)
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}
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It "Cannot create from a null argument" {
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{ [ModuleSpecification]::new($null) } | Should -Throw
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}
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It "Cannot create from invalid module hashtables: <TestName>" -TestCases $testCases {
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param([string]$TestName, [hashtable]$ModuleSpecification)
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{ [ModuleSpecification]::new($ModuleSpecification) } | Should -Throw
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}
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}
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}
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