PowerShell7/test/powershell/Format-List.Tests.ps1
2016-03-04 14:52:27 -08:00

75 lines
2.6 KiB
PowerShell

Describe "Format-List" {
$nl = [Environment]::NewLine
BeforeEach {
$in = New-Object PSObject
Add-Member -InputObject $in -MemberType NoteProperty -Name testName -Value testValue
}
It "Should call format list without error" {
{ $in | Format-List } | Should Not Throw
{ $in | Format-List } | Should Not BeNullOrEmpty
}
It "Should be able to call the alias" {
{ $in | fl } | Should Not Throw
{ $in | fl } | Should Not BeNullOrEmpty
}
It "Should have the same output whether choosing alias or not" {
$expected = $in | Format-List | Out-String
$actual = $in | fl | Out-String
$actual | Should Be $expected
}
It "Should produce the expected output" {
$expected = "${nl}${nl}testName : testValue${nl}${nl}${nl}${nl}"
$in = New-Object PSObject
Add-Member -InputObject $in -MemberType NoteProperty -Name testName -Value testValue
$in | Format-List | Should Not BeNullOrEmpty
$in | Format-List | Out-String | Should Not BeNullOrEmpty
$in | Format-List | Out-String | Should Be $expected
}
It "Should be able to call a property of the piped input" {
# Tested on two input commands to verify functionality.
{ Get-Process | Format-List -Property Name } | Should Not Throw
{ Get-Process | Format-List -Property Name } | Should Not BeNullOrEmpty
{ Get-Date | Format-List -Property DisplayName } | Should Not Throw
{ Get-Date | Format-List -Property DisplayName } | Should Not BeNullOrEmpty
}
It "Should be able to display a list of props when separated by a comma" {
{ Get-Process | Format-List -Property Name,BasePriority } | Should Not Throw
(Get-Process | Format-List -Property Name,BasePriority | Out-String) -Split "${nl}" |
Where-Object { $_.trim() -ne "" } |
ForEach-Object { $_ | Should Match "(Name)|(BasePriority)" }
}
It "Should show the requested prop in every element" {
# Testing each element of format-list, using a for-each loop since the Format-List is so opaque
(Get-Process | Format-List -Property CPU | Out-String) -Split "${nl}" |
Where-Object { $_.trim() -ne "" } |
ForEach-Object { $_ | Should Match "CPU :" }
}
It "Should not show anything other than the requested props" {
$output = Get-Process | Format-List -Property Name | Out-String
$output | Should Not Match "CPU :"
$output | Should Not Match "Id :"
$output | Should Not Match "Handle :"
}
It "Should be able to take input without piping objects to it" {
$output = { Format-List -InputObject $in }
$output | Should Not Throw
$output | Should Not BeNullOrEmpty
}
}