Add-Content.Tests.ps1

Describe "Add-Content cmdlet tests" -Tags "CI" {
  $file1 = "file1.txt"
  Setup -File "$file1"

  Context "Add-Content should actually add content" {
    It "should Add-Content to testdrive:\$file1" {
      $result=add-content -path testdrive:\$file1 -value "ExpectedContent" -passthru
      $result| Should be "ExpectedContent"
    }
    It "should return expected string from testdrive:\$file1" {
      $result = get-content -path testdrive:\$file1
      $result | Should BeExactly "ExpectedContent"
    }
    It "should Add-Content to testdrive:\dynamicfile.txt with dynamic parameters" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
      $result=add-content -path testdrive:\dynamicfile.txt -value "ExpectedContent" -passthru
      $result| Should BeExactly "ExpectedContent"
    }
    It "should return expected string from testdrive:\dynamicfile.txt" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
      $result = get-content -path testdrive:\dynamicfile.txt
      $result | Should BeExactly "ExpectedContent"
    }
    It "should Add-Content to testdrive:\$file1 even when -Value is `$null" {
      $AsItWas=get-content testdrive:\$file1
      {add-content -path testdrive:\$file1 -value $null -ea stop} | Should Not Throw
      get-content testdrive:\$file1 | Should BeExactly $AsItWas
    }
    It "should throw 'ParameterArgumentValidationErrorNullNotAllowed' when -Path is `$null" {
      Try {add-content -path $null -value "ShouldNotWorkBecausePathIsNull" -ea stop; Throw "Previous statement unexpectedly succeeded..."
      } Catch {$_.FullyQualifiedErrorId | Should Be "ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.AddContentCommand"}
    }
    #[BugId(BugDatabase.WindowsOutOfBandReleases, 903880)]
    It "should throw `"Cannot bind argument to parameter 'Path'`" when -Path is `$()" {
      Try {add-content -path $() -value "ShouldNotWorkBecausePathIsInvalid" -ea stop; Throw "Previous statement unexpectedly succeeded..."
      } Catch {$_.FullyQualifiedErrorId | Should Be "ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.AddContentCommand"}
    }
    #[BugId(BugDatabase.WindowsOutOfBandReleases, 906022)]
    It "should throw 'NotSupportedException' when you add-content to an unsupported provider" -Skip:($IsLinux -Or $IsOSX) {
      Try {add-content -path HKLM:\\software\\microsoft -value "ShouldNotWorkBecausePathIsUnsupported" -ea stop; Throw "Previous statement unexpectedly succeeded..."
      } Catch {$_.FullyQualifiedErrorId | Should Be "NotSupported,Microsoft.PowerShell.Commands.AddContentCommand"}
    }
    #[BugId(BugDatabase.WindowsOutOfBandReleases, 9058182)]
    It "should be able to pass multiple [string]`$objects to Add-Content through the pipeline to output a dynamic Path file" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
      "hello","world"|add-content testdrive:\dynamicfile2.txt
      $result=get-content testdrive:\dynamicfile2.txt
      $result.length |Should be 2
      $result[0]     |Should be "hello"
      $result[1]     |Should be "world"
    }
  }
}