PowerShell/test/powershell/Test-Path.Tests.ps1
2016-03-04 14:52:27 -08:00

123 lines
5.3 KiB
PowerShell

Describe "Test-Path" {
BeforeAll {
$testdirectory = $TestDrive
$testfilename = New-Item -path $testdirectory -Name testfile.txt -ItemType file -Value 1 -force
# populate with additional files
New-Item -Path $testdirectory -Name datestfile -value 1 -ItemType file | Out-Null
New-Item -Path $testdirectory -Name gatestfile -value 1 -ItemType file | Out-Null
New-Item -Path $testdirectory -Name usr -value 1 -ItemType directory | Out-Null
$nonExistantDir = Join-Path -Path (Join-Path -Path $testdirectory -ChildPath usr) -ChildPath bin
$nonExistantPath = Join-Path -Path (Join-Path -Path (Join-Path -Path $testdirectory -ChildPath usr) -ChildPath bin) -ChildPath error
}
It "Should be called on an existing path without error" {
{ Test-Path $testdirectory } | Should Not Throw
{ Test-Path -Path $testdirectory } | Should Not Throw
{ Test-Path -LiteralPath $testdirectory } | Should Not Throw
}
It "Should allow piping objects to it" {
{ $testdirectory | Test-Path } | Should Not Throw
$testdirectory | Test-Path | Should Be $true
$nonExistantDir | Test-Path | Should Be $false
}
It "Should be called on a nonexistant path without error" {
{ Test-Path -Path $nonExistantPath } | Should Not Throw
}
It "Should return false for a nonexistant path" {
Test-Path -Path $nonExistantPath | Should Be $false
}
It "Should return true for an existing path" {
{ Test-Path -Path $testdirectory } | Should Be $true
}
It "Should be able to accept a regular expression" {
{ Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "u*") } | Should Not Throw
{ Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "u[a-z]r") } | Should Not Throw
}
It "Should be able to return the correct result when a regular expression is used" {
Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "u*") | Should Be $true
Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "u[a-z]*") | Should Be $true
Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "aoeu*") | Should Be $false
Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "u[A-Z]") | Should Be $false
}
It "Should return false when the Leaf pathtype is used on a directory" {
Test-Path -Path $testdirectory -PathType Leaf | Should Be $false
}
It "Should return true when the Leaf pathtype is used on an existing endpoint" {
Test-Path -Path $testfilename -PathType Leaf | Should Be $true
}
It "Should return false when the Leaf pathtype is used on a nonexistant file" {
Test-Path -Path "aoeu" -PathType Leaf | Should Be $false
}
It "Should return true when the Leaf pathtype is used on a file using the Type alias instead of PathType" {
Test-Path -Path $testfilename -Type Leaf | Should Be $true
}
It "Should be able to search multiple regular expressions using the include switch" {
{ Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "*") -Include t* } | Should Be $true
}
It "Should be able to exclude a regular expression using the exclude switch" {
{ Test-Path -Path (Join-Path -Path $testdirectory -ChildPath "*") -Exclude v* } | Should Be $true
}
It "Should be able to exclude multiple regular expressions using the exclude switch" {
# tests whether there's any files in the usr directory that don't start with 'd' or 'g'
{ Test-Path -Path $testfilename -Exclude d*, g* } | Should Be $true
}
It "Should return true if the syntax of the path is correct when using the IsValid switch" {
{ Test-Path -Path $nonExistantPath -IsValid } | Should Be $true
}
It "Should return false if the syntax of the path is incorrect when using the IsValid switch" {
$badPath = " :;!@#$%^&*(){}?+|_-"
Test-Path -Path $badPath -IsValid | Should Be $false
}
It "Should return true on paths containing spaces when the path is surrounded in quotes" {
Test-Path -Path "/totally a valid/path" -IsValid | Should Be $true
}
It "Should throw on paths containing spaces when the path is not surrounded in quotes" {
{ Test-Path -Path /a path/without quotes/around/it -IsValid } | Should Throw
}
It "Should return true if a directory leads or trails with a space when surrounded by quotes" {
Test-Path -Path "/a path / with/funkyspaces" -IsValid | Should Be $true
}
It "Should return true on a valid path when the LiteralPath switch is used" {
Test-Path -LiteralPath $testfilename | Should Be $true
}
It "Should return false if regular expressions are used with the LiteralPath switch" {
Test-Path -LiteralPath (Join-Path -Path $testdirectory -ChildPath "u*") | Should Be $false
Test-Path -LiteralPath (Join-Path -Path $testdirectory -ChildPath "u[a-z]r") | Should Be $false
}
It "Should return false if regular expressions are used with the LiteralPath alias PSPath switch" {
Test-Path -PSPath (Join-Path -Path $testdirectory -ChildPath "u*") | Should Be $false
Test-Path -PSPath (Join-Path -Path $testdirectory -ChildPath "u[a-z]r") | Should Be $false
}
It "Should return true if used on components other than filesystem objects" {
Test-Path Alias:\gci | Should Be $true
Test-Path Env:\PATH | Should Be $true
}
}