110 lines
3.4 KiB
PowerShell
110 lines
3.4 KiB
PowerShell
Describe "Get-Content" {
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$testString = "This is a test content for a file"
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$nl = [Environment]::NewLine
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$firstline = "Here's a first line "
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$secondline = " here's a second line"
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$thirdline = "more text"
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$fourthline = "just to make sure"
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$fifthline = "there's plenty to work with"
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$testString2 = $firstline + $nl + $secondline + $nl + $thirdline + $nl + $fourthline + $nl + $fifthline
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$testPath = Join-Path -Path $TestDrive -ChildPath testfile1
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$testPath2 = Join-Path -Path $TestDrive -ChildPath testfile2
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BeforeEach {
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New-Item -Path $testPath -ItemType file -Force -Value $testString
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New-Item -Path $testPath2 -ItemType file -Force -Value $testString2
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}
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AfterEach {
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Remove-Item -Path $testPath -Force
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Remove-Item -Path $testPath2 -Force
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}
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It "Should throw an error on a directory " {
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# also tests that -erroraction SilentlyContinue will work.
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Get-Content . -ErrorAction SilentlyContinue | Should Throw
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}
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It "Should return an Object when listing only a single line" {
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(Get-Content -Path $testPath).GetType().BaseType.Name | Should Be "Object"
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}
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It "Should deliver an array object when listing a file with multiple lines" {
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(Get-Content -Path $testPath2).GetType().BaseType.Name | Should Be "Array"
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}
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It "Should return the correct information from a file" {
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(Get-Content -Path $testPath) | Should Be $testString
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}
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It "Should be able to call using the cat alias" {
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{ cat -Path $testPath } | Should Not Throw
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}
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It "Should be able to call using the gc alias" {
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{ gc -Path $testPath } | Should Not Throw
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}
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It "Should be able to call using the type alias" {
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{ type -Path $testPath } | Should Not Throw
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}
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It "Should return the same values for aliases" {
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$getContentAlias = Get-Content -Path $testPath
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$gcAlias = gc -Path $testPath
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$catAlias = cat -Path $testPath
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$typeAlias = type -Path $testPath
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$getContentAlias | Should Be $gcAlias
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$getContentAlias | Should Be $catAlias
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$getContentAlias | Should Be $typeAlias
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}
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It "Should be able to return a specific line from a file" {
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(Get-Content -Path $testPath2)[1] | Should be $secondline
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}
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It "Should be able to specify the number of lines to get the content of using the TotalCount switch" {
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$returnArray = (cat -Path $testPath2 -TotalCount 2)
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$returnArray[0] | Should Be $firstline
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$returnArray[1] | Should Be $secondline
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}
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It "Should be able to specify the number of lines to get the content of using the Head switch" {
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$returnArray = (cat -Path $testPath2 -Head 2)
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$returnArray[0] | Should Be $firstline
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$returnArray[1] | Should Be $secondline
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}
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It "Should be able to specify the number of lines to get the content of using the First switch" {
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$returnArray = (cat -Path $testPath2 -First 2)
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$returnArray[0] | Should Be $firstline
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$returnArray[1] | Should Be $secondline
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}
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It "Should return the last line of a file using the Tail switch" {
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Get-Content -Path $testPath -Tail 1 | Should Be $testString
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}
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It "Should return the last lines of a file using the Last alias" {
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Get-Content -Path $testPath2 -Last 1 | Should Be $fifthline
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}
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It "Should be able to get content within a different drive" {
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pushd env:
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$expectedoutput = [Environment]::GetEnvironmentVariable("PATH");
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{ Get-Content PATH } | Should Not Throw
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Get-Content PATH | Should Be $expectedoutput
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popd
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}
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}
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