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UtilityApi.Tests.ps1
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UtilityApi.Tests.ps1
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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
BeforeAll {
function Get-TypeNameAstFromScript
{
param([string]$Script)
$ast = [System.Management.Automation.Language.Parser]::ParseInput($Script, [ref]$null, [ref]$null)
$typeExpAst = $ast.Find({
$args[0] -is [System.Management.Automation.Language.TypeExpressionAst]
}, $true)
return $typeExpAst.TypeName
}
function Get-TypeAccelerators
{
[psobject].Assembly.GetType('System.Management.Automation.TypeAccelerators', 'nonpublic')::Get.GetEnumerator()
}
}
Describe "Type name serialization" {
It "Serializes the name of type <InputType> to <ExpectedName>" {
$name = [Microsoft.PowerShell.CrossCompatibility.TypeNaming]::GetFullTypeName($InputType)
$name | Should -BeExactly $ExpectedName
} -TestCases @(
@{ InputType = [System.Reflection.Assembly]; ExpectedName = "System.Reflection.Assembly" }
@{ InputType = [string]; ExpectedName = "System.String" }
@{ InputType = [datetime]; ExpectedName = "System.DateTime" }
@{ InputType = [string[]]; ExpectedName = "System.String[]" }
@{ InputType = [System.TimeZoneInfo+AdjustmentRule]; ExpectedName = "System.TimeZoneInfo+AdjustmentRule" }
@{ InputType = [System.Func`1]; ExpectedName = "System.Func``1" }
@{ InputType = [System.Collections.Generic.Dictionary`2]; ExpectedName = "System.Collections.Generic.Dictionary``2" }
@{ InputType = [System.Collections.Generic.Dictionary`2+Enumerator]; ExpectedName = "System.Collections.Generic.Dictionary``2+Enumerator" }
@{ InputType = [System.Collections.Generic.Dictionary[string,object]].GetNestedType('Enumerator'); ExpectedName = "System.Collections.Generic.Dictionary``2+Enumerator" }
@{ InputType = [System.Collections.Generic.List[object]]; ExpectedName = "System.Collections.Generic.List``1[System.Object]" }
@{ InputType = [System.Collections.Generic.Dictionary[string, object]]; ExpectedName = "System.Collections.Generic.Dictionary``2[System.String,System.Object]" }
@{ InputType = [System.Collections.Generic.Dictionary`2+Enumerator[string,object]]; ExpectedName = "System.Collections.Generic.Dictionary``2+Enumerator[System.String,System.Object]" }
@{ InputType = [System.Collections.Concurrent.ConcurrentDictionary`2].GetMethod('ToArray').ReturnType; ExpectedName = "System.Collections.Generic.KeyValuePair``2[]"}
)
It "Null type throws exception" {
{
[Microsoft.PowerShell.CrossCompatibility.TypeNaming]::GetFullTypeName($null)
} | Should -Throw -ErrorId "ArgumentNullException"
}
It "Strips generic quantifiers from '<RawTypeName>' to return '<StrippedTypeName>'" {
param([string]$RawTypeName, [string]$StrippedTypeName)
$stripped = [Microsoft.PowerShell.CrossCompatibility.TypeNaming]::StripGenericQuantifiers($RawTypeName)
$stripped | Should -BeExactly $StrippedTypeName
} -TestCases @(
@{ RawTypeName = "String"; StrippedTypeName = "String" }
@{ RawTypeName = "Dictionary``2"; StrippedTypeName = "Dictionary" }
@{ RawTypeName = "Dictionary``2"; StrippedTypeName = "Dictionary" }
@{ RawTypeName = "Dictionary``2+Enumerator"; StrippedTypeName = "Dictionary+Enumerator" }
)
}
Describe "Type accelerator expansion" {
BeforeAll {
$typeAccelerators = Get-TypeAccelerators |
ForEach-Object { $d = New-Object 'System.Collections.Generic.Dictionary[string,string]' } { $d.Add($_.Key, $_.Value.FullName) } { $d }
}
It "Expands the typename in <Raw> to <Expanded>" {
$typeName = Get-TypeNameAstFromScript -Script $Raw
$canonicalName = [Microsoft.PowerShell.CrossCompatibility.TypeNaming]::GetCanonicalTypeName($typeAccelerators, $typeName)
$canonicalName | Should -BeExactly $Expanded
} -TestCases @(
@{ Raw = "[System.Exception]"; Expanded = "System.Exception" }
@{ Raw = "[string]"; Expanded = "System.String" }
@{ Raw = "[psmoduleinfo]"; Expanded = "System.Management.Automation.PSModuleInfo" }
@{ Raw = "[System.Collections.Generic.List[int]]"; Expanded = "System.Collections.Generic.List``1[System.Int32]" }
@{ Raw = "[System.Collections.Generic.Dictionary[string,psmoduleinfo]]"; Expanded = "System.Collections.Generic.Dictionary``2[System.String,System.Management.Automation.PSModuleInfo]" }
@{ Raw = "[System.Collections.Generic.Dictionary[string, psmoduleinfo]]"; Expanded = "System.Collections.Generic.Dictionary``2[System.String,System.Management.Automation.PSModuleInfo]" }
@{ Raw = "[System.Collections.Generic.Dictionary [string, psmoduleinfo]]"; Expanded = "System.Collections.Generic.Dictionary``2[System.String,System.Management.Automation.PSModuleInfo]" }
@{ Raw = "[System.Collections.Generic.List``1[uri]]"; Expanded = "System.Collections.Generic.List``1[System.Uri]" }
@{ Raw = "[System.Collections.Generic.Dictionary``2[string,psmoduleinfo]]"; Expanded = "System.Collections.Generic.Dictionary``2[System.String,System.Management.Automation.PSModuleInfo]" }
@{ Raw = "[System.Collections.Generic.Dictionary``2 [string, psmoduleinfo]]"; Expanded = "System.Collections.Generic.Dictionary``2[System.String,System.Management.Automation.PSModuleInfo]" }
@{ Raw = "[object]"; Expanded = "System.Object" }
)
}
$versionCreationTests = @(
@{ Version = '6.1'; Major = 6; Minor = 1; Patch = -1 }
@{ Version = '6.1.4'; Major = 6; Minor = 1; Patch = 4; }
@{ Version = '5.1.8-preview.2'; Major = 5; Minor = 1; Patch = 8; Label = 'preview.2' }
@{ Version = [version]'4.2'; Major = 4; Minor = 2; Patch = -1; Revision = -1 }
@{ Version = [version]'4.2.1'; Major = 4; Minor = 2; Patch = 1; Revision = -1 }
@{ Version = [version]'4.2.1.7'; Major = 4; Minor = 2; Patch = 1; Revision = 7 }
)
if ($PSVersionTable.PSVersion.Major -ge 6)
{
$versionCreationTests += @(
@{ Version = [semver]'6.1.2'; Major = 6; Minor = 1; Patch = 2; Label = $null }
@{ Version = [semver]'6.1.2-rc.1'; Major = 6; Minor = 1; Patch = 2; Label = 'rc.1' }
@{ Version = [semver]'6.1-rc.1'; Major = 6; Minor = 1; Patch = 0; Label = 'rc.1' }
@{ Version = [semver]'6-rc.1'; Major = 6; Minor = 0; Patch = 0; Label = 'rc.1' }
@{ Version = [semver]'6.1.2-rc.1+duck'; Major = 6; Minor = 1; Patch = 2; Label = 'rc.1'; BuildLabel = 'duck' }
@{ Version = [semver]'6.1-rc.1+duck'; Major = 6; Minor = 1; Patch = 0; Label = 'rc.1'; BuildLabel = 'duck' }
@{ Version = [semver]'6-rc.1+duck'; Major = 6; Minor = 0; Patch = 0; Label = 'rc.1'; BuildLabel = 'duck' }
)
}
Describe "PowerShell version object" {
Context "Version parsing" {
It "Parses version string '<VerStr>' as <Major>.<Minor>.<Patch>" {
$v = [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]$VerStr
$v.Major | Should -Be $Major
$v.Minor | Should -Be $Minor
$v.Patch | Should -Be $Patch
} -TestCases @(
@{ VerStr = '42'; Major = 42; Minor = -1; Patch = -1 }
@{ VerStr = '7'; Major = 7; Minor = -1; Patch = -1 }
@{ VerStr = '6.1'; Major = 6; Minor = 1; Patch = -1 }
@{ VerStr = '5.2.7'; Major = 5; Minor = 2; Patch = 7 }
@{ VerStr = '512.2124.71'; Major = 512; Minor = 2124; Patch = 71 }
)
It "Parses version string '<VerStr>' as <Major>.<Minor>.<Patch>-<Label>+<BuildLabel>" {
param([string]$VerStr, [int]$Major, [int]$Minor, [int]$Patch, [string]$Label, $BuildLabel)
$v = [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]$VerStr
$v.Major | Should -Be $Major
$v.Minor | Should -Be $Minor
$v.Patch | Should -Be $Patch
$v.PreReleaseLabel | Should -BeExactly $Label
$v.BuildLabel | Should -Be $BuildLabel
} -TestCases @(
@{ VerStr = '6.1.0-rc.1'; Major = 6; Minor = 1; Patch = 0; Label = 'rc.1' }
@{ VerStr = '6.2-preview.2'; Major = 6; Minor = 2; Patch = -1; Label = 'preview.2' }
@{ VerStr = '6-preview.2'; Major = 6; Minor = -1; Patch = -1; Label = 'preview.2' }
@{ VerStr = '6.1.0-rc.1+moo'; Major = 6; Minor = 1; Patch = 0; Label = 'rc.1'; BuildLabel = 'moo' }
@{ VerStr = '6.2-preview.2+horse'; Major = 6; Minor = 2; Patch = -1; Label = 'preview.2'; BuildLabel = 'horse' }
@{ VerStr = '6-preview.2+veryimportant'; Major = 6; Minor = -1; Patch = -1; Label = 'preview.2'; BuildLabel = 'veryimportant' }
)
It "Parses version string '<VerStr>' as <Major>.<Minor>.<Patch>.<Revision>" {
param([string]$VerStr, [int]$Major, [int]$Minor, [int]$Patch, [int]$Revision)
$v = [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]$VerStr
$v.Major | Should -Be $Major
$v.Minor | Should -Be $Minor
$v.Patch | Should -Be $Patch
$v.Revision | Should -Be $Revision
} -TestCases @(
@{ VerStr = '5.2.1.12312'; Major = 5; Minor = 2; Patch = 1; Revision = 12312 }
)
It "Does not parse '<VerStr>' as a version" {
param([string]$VerStr)
{ [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]$VerStr } | Should -Throw
} -TestCases @(
@{ VerStr = 'banana' }
@{ VerStr = '' }
@{ VerStr = '1.' }
@{ VerStr = '.6' }
@{ VerStr = '5.1.' }
@{ VerStr = '5.1.2.' }
@{ VerStr = '4.1.5.7.' }
@{ VerStr = '4.1.5.7.4' }
@{ VerStr = '4.1.5.7-rc.2' }
@{ VerStr = '4.1.5.-rc.2' }
)
}
Context "Version creation from other versions" {
It "Creates a PowerShellVersion from '<Version>'" -TestCases $versionCreationTests {
param($Version, [int]$Major, [int]$Minor, [int]$Patch, [int]$Revision, $Label, $BuildLabel)
$v = [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]::Create($Version)
$v.Major | Should -Be $Major
$v.Minor | Should -Be $Minor
$v.Patch | Should -Be $Patch
$v.PreReleaseLabel | Should -Be $Label
$v.BuildLabel | Should -Be $BuildLabel
if ($Revision)
{
$v.Revision | Should -Be $Revision
}
}
It "Does not create a PowerShellVersion from <Version>" {
param($Version)
{ [Microsoft.PowerShell.CrossCompatibility.PowerShellVersion]::Create($Version) } | Should -Throw
} -TestCases @(
@{ Version = $null }
@{ Version = New-Object 'object' }
@{ Version = 'Hello' }
)
}
}