tests/functions/utility/Select-PSFObject.Tests.ps1
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Describe "Select-PSFObject Unit Tests" -Tag "UnitTests" { BeforeAll { $object = [PSCustomObject]@{ Foo = 42 Bar = 18 Tara = 21 } $object2 = [PSCustomObject]@{ Foo = 42000 Bar = 23 } $list = @() $list += $object $list += [PSCustomObject]@{ Foo = 23 Bar = 88 Tara = 28 } } Describe "Basic DSL functionalities" { It "renames Bar to Bar2" { ($object | Select-PSFObject -Property 'Foo', 'Bar as Bar2').PSObject.Properties.Name | Should -Be 'Foo', 'Bar2' } It "changes Bar to string" { ($object | Select-PSFObject -Property 'Bar to string').Bar.GetType().FullName | Should -Be 'System.String' } It "converts numbers to sizes" { ($object2 | Select-PSFObject -Property 'Foo size KB:1').Foo | Should -Be 41 ($object2 | Select-PSFObject -Property 'Foo size KB:1:1').Foo | Should -Be "41 KB" } } Describe "Selects from other variables" { It "picks values from other variables" { ($object2 | Select-PSFObject -Property 'Tara from object').Tara | Should -Be 21 } It "picks values from the properties of the right object in a list" { ($object2 | Select-PSFObject -Property 'Tara from List where Foo = Bar').Tara | Should -Be 28 } } Describe "Display Settings are applied" { It "sets the correct properties to show in whitelist mode" { $obj = [PSCustomObject]@{ Foo = "Bar"; Bar = 42; Right = "Left" } $null = $obj | Select-PSFObject -ShowProperty Foo, Bar $obj.PSStandardMembers.DefaultDisplayPropertySet.ReferencedPropertyNames | Should -Be 'Foo', 'Bar' } It "sets the correct properties to show in blacklist mode" { $obj = [PSCustomObject]@{ Foo = "Bar"; Bar = 42; Right = "Left" } $null = $obj | Select-PSFObject -ShowExcludeProperty Foo $obj.PSStandardMembers.DefaultDisplayPropertySet.ReferencedPropertyNames | Should -Be 'Bar', 'Right' } It "sets the correct typename" { $obj = [PSCustomObject]@{ Foo = "Bar"; Bar = 42; Right = "Left" } $null = $obj | Select-PSFObject -TypeName 'Foo.Bar' $obj.PSObject.TypeNames[0] | Should -Be 'Foo.Bar' } } Describe "Verifying input object integrity" { It "adds properties without harming the original object when used with -KeepInputObject" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject "Length as Size size KB:1:1" -KeepInputObject $modItem.GetType().FullName | Should -Be 'System.IO.FileInfo' $modItem.Size | Should -BeLike '* KB' } } Describe "Alias functionality applies" { It "adds aliases when using the -Alias parameter and specifying a string" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -Alias "Name as AliasName" $modItem.AliasName | Should -Be $modItem.Name $property = $modItem.PSObject.Properties["AliasName"] $property.MemberType | Should -Be 'AliasProperty' $property.Name | Should -Be 'AliasName' $property.Value | Should -Be $modItem.Name $property.ReferencedMemberName | Should -Be 'Name' } It "adds multiple aliases when using a hashtable on the -Alias parameter" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -Alias @{ AliasName = "Name" Size = "Length" Ex = "Extension" } ($modItem.PSObject.Properties | Group-Object MemberType | Where-Object Name -EQ "AliasProperty").Count | Should -Be 3 ($modItem.PSObject.Properties | Group-Object MemberType | Where-Object Name -EQ "AliasProperty").Group.Name | Should -BeIn AliasName, Size, Ex } } Describe "Script properties work in all supported notations" { It "adds a script property using the simple string notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -ScriptProperty 'Size := $this.Length * 2' $modItem.Size | Should -Be ($modItem.Length * 2) { $modItem.Size = 23 } | Should -Throw } It "adds a script property using a less simple string notation that supports settable properties" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty 'Size := $this.Length * 2 =: $this.Length = $args[0] / 2' $modItem.Length = 42 $modItem.Size | Should -Be 84 { $modItem.Size = 22 } | Should -Not -Throw $modItem.Length | Should -Be 11 $modItem.Size | Should -Be 22 } It "adds a complex script property using a scriptblock" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty { Size := $this.Length * 2 =: $this.Length = $args[0] / 2 } $modItem.Length = 42 $modItem.Size | Should -Be 84 { $modItem.Size = 22 } | Should -Not -Throw $modItem.Length | Should -Be 11 $modItem.Size | Should -Be 22 } It "adds a script property using the simple hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty @{ Size = { $this.Length * 2 } } $modItem.Size | Should -Be ($modItem.Length * 2) { $modItem.Size = 23 } | Should -Throw } It "adds a script property using the complex hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty @{ Size = @{ get = { $this.Length * 2 } set = { $this.Length = $args[0] / 2 } } } $modItem.Length = 42 $modItem.Size | Should -Be 84 { $modItem.Size = 22 } | Should -Not -Throw $modItem.Length | Should -Be 11 $modItem.Size | Should -Be 22 } It "adds multiple script properties using the complex hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty @{ Size = @{ get = { $this.Length * 2 } set = { $this.Length = $args[0] / 2 } } ExtraSize = @{ get = { $this.Length * 3 } } } $modItem.Length = 42 $modItem.Size | Should -Be 84 $modItem.ExtraSize | Should -Be 126 { $modItem.Size = 22 } | Should -Not -Throw $modItem.Length | Should -Be 11 $modItem.Size | Should -Be 22 { $modItem.ExtraSize = 22 } | Should -Throw } It "adds multiple script properties using the mixed complexity hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject Name, Length -ScriptProperty @{ Size = @{ get = { $this.Length * 2 } set = { $this.Length = $args[0] / 2 } } ExtraSize = { $this.Length * 3 } } $modItem.Length = 42 $modItem.Size | Should -Be 84 $modItem.ExtraSize | Should -Be 126 { $modItem.Size = 22 } | Should -Not -Throw $modItem.Length | Should -Be 11 $modItem.Size | Should -Be 22 { $modItem.ExtraSize = 22 } | Should -Throw } } Describe "Script methods work in all supported notations" { It "adds a script method using the simple string notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -ScriptMethod 'GetSize => $this.Length * 2' $modItem.GetSize() | Should -Be ($modItem.Length * 2) } It "adds a script method using the scriptblock notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -ScriptMethod { GetSize => $this.Length * 2 } $modItem.GetSize() | Should -Be ($modItem.Length * 2) } It "adds a script method using the hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -ScriptMethod @{ GetSize = { $this.Length * 2 } } $modItem.GetSize() | Should -Be ($modItem.Length * 2) } It "adds multiple script methods using the hashtable notation" { $item = Get-Item "$PSScriptRoot\Select-PSFObject.Tests.ps1" $modItem = $item | Select-PSFObject -KeepInputObject -ScriptMethod @{ GetSize = { $this.Length * 2 } GetExtraSize = { $this.Length * 3 } } $modItem.GetSize() | Should -Be ($modItem.Length * 2) $modItem.GetExtraSize() | Should -Be ($modItem.Length * 3) } } } |