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# Licensed under the MIT License.
Describe "Get-Alias DRT Unit Tests" -Tags "CI" {
It "Get-Alias Bogus Scope Name should throw PSArgumentException"{
{ Get-Alias -Name "ABCD" -Scope "bogus" } | Should -Throw -ErrorId "Argument,Microsoft.PowerShell.Commands.GetAliasCommand"
}
It "Get-Alias OutOfRange Scope"{
{ Get-Alias -Name "ABCD" -Scope "99999" } | Should -Throw -ErrorId "ArgumentOutOfRange,Microsoft.PowerShell.Commands.GetAliasCommand"
}
It "Get-Alias Named Single Valid"{
Set-Alias -Name ABCD -Value "foo"
$result=Get-Alias -Name ABCD
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
}
It "Get-Alias Positional Single Valid"{
Set-Alias -Name ABCD -Value "foo"
$result=Get-Alias ABCD
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
}
It "Get-Alias Named Multiple Valid"{
Set-Alias -Name ABCD -Value "foo"
Set-Alias -Name AEFG -Value "bar"
$result=Get-Alias -Name ABCD,AEFG
$result[0].Name | Should -BeExactly "ABCD"
$result[0].Definition | Should -BeExactly "foo"
$result[0].Description | Should -BeNullOrEmpty
$result[0].Options | Should -BeExactly "None"
$result[1].Name | Should -BeExactly "AEFG"
$result[1].Definition | Should -BeExactly "bar"
$result[1].Description | Should -BeNullOrEmpty
$result[1].Options | Should -BeExactly "None"
}
It "Get-Alias Named Wildcard Valid"{
Set-Alias -Name ABCD -Value "foo"
Set-Alias -Name ABCG -Value "bar"
$result=Get-Alias -Name ABC*
$result[0].Name | Should -BeExactly "ABCD"
$result[0].Definition | Should -BeExactly "foo"
$result[0].Description | Should -BeNullOrEmpty
$result[0].Options | Should -BeExactly "None"
$result[1].Name | Should -BeExactly "ABCG"
$result[1].Definition | Should -BeExactly "bar"
$result[1].Description | Should -BeNullOrEmpty
$result[1].Options | Should -BeExactly "None"
}
It "Get-Alias Positional Wildcard Valid"{
Set-Alias -Name ABCD -Value "foo"
Set-Alias -Name ABCG -Value "bar"
$result=Get-Alias ABC*
$result[0].Name | Should -BeExactly "ABCD"
$result[0].Definition | Should -BeExactly "foo"
$result[0].Description | Should -BeNullOrEmpty
$result[0].Options | Should -BeExactly "None"
$result[1].Name | Should -BeExactly "ABCG"
$result[1].Definition | Should -BeExactly "bar"
$result[1].Description | Should -BeNullOrEmpty
$result[1].Options | Should -BeExactly "None"
}
It "Get-Alias Named Wildcard And Exclude Valid"{
Set-Alias -Name ABCD -Value "foo"
Set-Alias -Name ABCG -Value "bar"
$result=Get-Alias -Name ABC* -Exclude "*BCG"
$result[0].Name | Should -BeExactly "ABCD"
$result[0].Definition | Should -BeExactly "foo"
$result[0].Description | Should -BeNullOrEmpty
$result[0].Options | Should -BeExactly "None"
}
It "Get-Alias Scope Valid"{
Set-Alias -Name ABCD -Value "foo"
$result=Get-Alias -Name ABCD
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
Set-Alias -Name ABCD -Value "localfoo" -Scope local
$result=Get-Alias -Name ABCD -Scope local
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "localfoo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
Set-Alias -Name ABCD -Value "globalfoo" -Scope global
Set-Alias -Name ABCD -Value "scriptfoo" -Scope "script"
Set-Alias -Name ABCD -Value "foo0" -Scope "0"
Set-Alias -Name ABCD -Value "foo1" -Scope "1"
$result=Get-Alias -Name ABCD
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo0"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope local
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo0"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope global
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "globalfoo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope "script"
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "scriptfoo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope "0"
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo0"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope "1"
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo1"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
}
It "Get-Alias Expose Bug 1065828, BugId:905235"{
{ Get-Alias -Name "ABCD" -Scope "100" } | Should -Throw -ErrorId "ArgumentOutOfRange,Microsoft.PowerShell.Commands.GetAliasCommand"
}
It "Get-Alias Zero Scope Valid"{
Set-Alias -Name ABCD -Value "foo"
$result=Get-Alias -Name ABCD
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
$result=Get-Alias -Name ABCD -Scope "0"
$result.Name | Should -BeExactly "ABCD"
$result.Definition | Should -BeExactly "foo"
$result.Description | Should -BeNullOrEmpty
$result.Options | Should -BeExactly "None"
}
It "Test get-alias with Definition parameter" {
$returnObject = Get-Alias -Definition Get-Command
For($i = 0; $i -lt $returnObject.Length;$i++)
{
$returnObject[$i] | Should -Not -BeNullOrEmpty
$returnObject[$i].CommandType | Should -Be 'Alias'
$returnObject[$i].Definition | Should -Be 'Get-Command'
}
}
It "Get-Alias DisplayName should always show AliasName -> ResolvedCommand for all aliases" {
Set-Alias -Name Test-MyAlias -Value Get-Command -Force
Set-Alias -Name tma -Value Test-MyAlias -force
$aliases = Get-Alias Test-MyAlias, tma
$aliases | ForEach-Object {
$_.DisplayName | Should -Be "$($_.Name) -> Get-Command"
}
$aliases.Name.foreach{Remove-Item Alias:$_ -ErrorAction SilentlyContinue}
}
}
Describe "Get-Alias" -Tags "CI" {
It "Should have a return type of System.Array when gal returns more than one object" {
$val1=(Get-Alias a*)
$val2=(Get-Alias c*)
$i=0
$val1 | Should -Not -BeNullOrEmpty
$val2 | Should -Not -BeNullOrEmpty
$val1 | ForEach-Object{ $i++};
if($i -lt 2) {
$val1 | Should -BeOfType System.Management.Automation.CommandInfo
}
else
{
,$val1 | Should -BeOfType System.Array
}
$val2 | ForEach-Object{ $i++};
if($i -lt 2) {
$val2 | Should -BeOfType System.Management.Automation.CommandInfo
}
else
{
,$val2 | Should -BeOfType System.Array
}
}
It "should return an array of objects" {
$val = Get-Alias a*
$alias = gal a*
$val.Count | Should -Be $alias.Count
for ($i=0; $i -lt $val.Count;$i++)
{
$val[$i].CommandType | Should -Be $alias[$i].CommandType
$val[$i].Name | Should -Be $alias[$i].Name
$val[$i].ModuleName | Should -Be $alias[$i].ModuleName
}
}
}
Describe "Get-Alias null tests" -Tags "CI" {
$testCases =
@{ data = $null; value = 'null' },
@{ data = [String]::Empty; value = 'empty string' }
Context 'Check null or empty value to the -Name parameter' {
It 'Should throw if <value> is passed to -Name parameter' -TestCases $testCases {
param($data)
{ Get-Alias -Name $data } | Should -Throw -ErrorId 'ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetAliasCommand'
}
}
Context 'Check null or empty value to the -Name parameter via pipeline' {
It 'Should throw if <value> is passed through pipeline to -Name parameter' -TestCases $testCases {
param($data)
{ $data | Get-Alias -ErrorAction Stop } | Should -Throw -ErrorId 'ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetAliasCommand'
}
}
}
|