Windows-powershell / PowerShell-master /test /powershell /engine /ParameterBinding /Splatting.Tests.ps1
| # Copyright (c) Microsoft Corporation. | |
| # Licensed under the MIT License. | |
| Describe "Hashtable Splatting Parameter Binding Tests" -Tags "CI" { | |
| BeforeAll { | |
| function SimpleTest { | |
| param( | |
| [Alias('Key')] | |
| $Name, | |
| $Path | |
| ) | |
| "Key: $Name; Path: $Path; Args: $args" | |
| } | |
| } | |
| Context "Basic Hashtable Splatting" { | |
| It "works on cmdlet" { | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| Get-Verb @hash > $null | |
| $zoo | Should -BeOfType System.Management.Automation.VerbInfo | |
| $zoo.Verb | Should -BeExactly 'Get' | |
| } | |
| It "works on simple function" { | |
| $hash = @{ Name = "Hello"; Blah = "World" } | |
| SimpleTest @hash | Should -BeExactly 'Key: Hello; Path: ; Args: -Blah: World' | |
| $hash = @{ Name = "Hello"; Path = "World" } | |
| SimpleTest @hash | Should -BeExactly 'Key: Hello; Path: World; Args: ' | |
| $hash = @{ Name = "Hello" } | |
| SimpleTest @hash -Path "Yeah" | Should -BeExactly 'Key: Hello; Path: Yeah; Args: ' | |
| SimpleTest -Path "Yeah" @hash | Should -BeExactly 'Key: Hello; Path: Yeah; Args: ' | |
| $hash = @{ Key = "Hello" } | |
| SimpleTest @hash | Should -BeExactly 'Key: Hello; Path: ; Args: ' | |
| } | |
| It "works on ScriptBlock.GetPowerShell" { | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| $ps = { param($hash) Get-Verb @hash; Get-Variable zoo }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Get' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| } | |
| It "works on steppable pipeline" { | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| $sp = { Get-Verb @hash }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Get' | |
| $zoo | Should -BeOfType System.Management.Automation.VerbInfo | |
| $zoo.Verb | Should -BeExactly 'Get' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| } | |
| } | |
| Context "Explicitly specified named parameter supersedes the same one in Hashtable splatting" { | |
| It "works with the same parameter name" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| Get-Verb @hash -Verb "Send" > $null | |
| $zoo | Should -BeOfType System.Management.Automation.VerbInfo | |
| $zoo.Verb | Should -BeExactly "Send" | |
| $zoo = $null | |
| Get-Verb -Verb "Send" @hash > $null | |
| $zoo | Should -BeOfType System.Management.Automation.VerbInfo | |
| $zoo.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send"; Get-Variable zoo }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $zoo = $null | |
| $sp = { Get-Verb @hash -Verb "Send" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeOfType System.Management.Automation.VerbInfo | |
| $zoo.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ Name = "Hello"; Path = "World" } | |
| SimpleTest @hash -Path "Yeah" | Should -BeExactly 'Key: Hello; Path: Yeah; Args: ' | |
| SimpleTest -Path "Yeah" @hash | Should -BeExactly 'Key: Hello; Path: Yeah; Args: ' | |
| $hash = @{ Name = "Hello"; Blah = "World" } | |
| SimpleTest @hash -Name "Yeah" | Should -BeExactly 'Key: Yeah; Path: ; Args: -Blah: World' | |
| } | |
| It "works with the same alias name" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; ov = "zoo" } | |
| Get-Verb @hash -Verb "Send" -ov "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -ov "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -ov "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ key = "Hello"; Path = "World" } | |
| SimpleTest @hash -Key "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| It "works with parameter name and alias name mixed" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| Get-Verb @hash -Verb "Send" -ov "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -ov "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -ov "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ Name = "Hello"; Path = "World" } | |
| SimpleTest @hash -Key "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| It "works with unambiguous prefix and parameter name mixed - prefix explicitly specified" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; OutVariable = "zoo" } | |
| Get-Verb @hash -Verb "Send" -outv "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -outv "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -outv "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ Name = "Hello"; Path = "World" } | |
| SimpleTest @hash -n "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| It "works with unambiguous prefix and parameter name mixed - prefix in splatting hashtable" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; outv = "zoo" } | |
| Get-Verb @hash -Verb "Send" -OutVariable "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -OutVariable "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -OutVariable "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ n = "Hello"; Path = "World" } | |
| SimpleTest @hash -Name "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| It "works with unambiguous prefix and alias name mixed - prefix explicitly specified" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; ov = "zoo" } | |
| Get-Verb @hash -Verb "Send" -outv "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -outv "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -outv "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ key = "Hello"; Path = "World" } | |
| SimpleTest @hash -n "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| It "works with unambiguous prefix and alias name mixed - prefix in splatting hashtable" { | |
| ## Regular use with cmdlet | |
| $hash = @{ Verb = "Get"; outv = "zoo" } | |
| Get-Verb @hash -Verb "Send" -ov "bar" > $null | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly "Send" | |
| ## GetPowerShell | |
| $ps = { param($hash) Get-Verb @hash -Verb "Send" -ov "bar"; Get-Variable bar }.GetPowerShell($hash) | |
| try { | |
| $result = $ps.Invoke() | |
| $result[0] | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result[0].Verb | Should -BeExactly 'Send' | |
| } finally { | |
| $ps.Dispose() | |
| } | |
| ## Steppable pipeline | |
| $bar = $null | |
| $sp = { Get-Verb @hash -Verb "Send" -ov "bar" }.GetSteppablePipeline() | |
| try { | |
| $sp.Begin($false) | |
| $result = $sp.Process() | |
| $result | Should -BeOfType System.Management.Automation.VerbInfo | |
| $result.Verb | Should -BeExactly 'Send' | |
| $zoo | Should -BeNullOrEmpty | |
| $bar | Should -BeOfType System.Management.Automation.VerbInfo | |
| $bar.Verb | Should -BeExactly 'Send' | |
| $sp.End() | |
| } finally { | |
| $sp.Dispose() | |
| } | |
| ## Regular use with simple function | |
| $hash = @{ n = "Hello"; Path = "World" } | |
| SimpleTest @hash -key "Yeah" | Should -BeExactly 'Key: Yeah; Path: World; Args: ' | |
| } | |
| } | |
| } | |