Refactor the Get-Content tests to use -TestCases. (#6082)
This commit is contained in:
Klaudia Algiz
Travis Plunk
parent
40eb3b3e13
commit
d6678d8417
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@ -9,15 +9,19 @@ Describe "Get-Content" -Tags "CI" {
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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 $TestDrive -ChildPath testfile2
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$testContent = "AA","BB","CC","DD"
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$testDelimiterContent = "Hello1,World1","Hello2,World2","Hello3,World3","Hello4,World4"
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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 $testPath2 -Force
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}
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It "Should throw an error on a directory " {
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try {
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Get-Content . -ErrorAction Stop
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@ -27,41 +31,50 @@ Describe "Get-Content" -Tags "CI" {
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$_.FullyQualifiedErrorId | should be "GetContentReaderUnauthorizedAccessError,Microsoft.PowerShell.Commands.GetContentCommand"
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}
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}
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It "Should return an Object when listing only a single line and the correct information from a file" {
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$content = (Get-Content -Path $testPath)
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$content | Should Be $testString
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$content.Count | Should Be 1
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$content | Should BeOfType "System.String"
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}
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It "Should deliver an array object when listing a file with multiple lines and the correct information from a file" {
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$content = (Get-Content -Path $testPath2)
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@(Compare-Object $content $testString2.Split($nl) -SyncWindow 0).Length | Should Be 0
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,$content | Should BeOfType "System.Array"
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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 = (Get-Content -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 = (Get-Content -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 = (Get-Content -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 $fifthline
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}
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It "Should be able to get content within a different drive" {
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Push-Location env:
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$expectedoutput = [Environment]::GetEnvironmentVariable("PATH");
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@ -69,16 +82,20 @@ Describe "Get-Content" -Tags "CI" {
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Get-Content PATH | Should Be $expectedoutput
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Pop-Location
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}
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#[BugId(BugDatabase.WindowsOutOfBandReleases, 906022)]
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It "should throw 'PSNotSupportedException' when you Set-Content to an unsupported provider" -Skip:($IsLinux -Or $IsMacOS) {
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{Get-Content -Path HKLM:\\software\\microsoft -EA stop} | Should Throw "IContentCmdletProvider interface is not implemented"
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}
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It 'Verifies -Tail reports a TailNotSupported error for unsupported providers' {
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{Get-Content -Path Variable:\PSHOME -Tail 1 -ErrorAction Stop} | ShouldBeErrorId 'TailNotSupported,Microsoft.PowerShell.Commands.GetContentCommand'
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}
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It 'Verifies using -Tail and -TotalCount together reports a TailAndHeadCannotCoexist error' {
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{ Get-Content -Path Variable:\PSHOME -Tail 1 -TotalCount 5 -ErrorAction Stop} | ShouldBeErrorId 'TailAndHeadCannotCoexist,Microsoft.PowerShell.Commands.GetContentCommand'
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}
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It 'Verifies -Tail with content that uses an explicit encoding' -TestCases @(
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@{EncodingName = 'String'},
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@{EncodingName = 'Unicode'},
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@ -109,50 +126,86 @@ baz
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$actual.Length | Should Be $tailCount
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$actual[0] | Should Be $expected
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}
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It "should Get-Content with a variety of -Tail and -ReadCount values" {#[DRT]
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Set-Content -Path $testPath "Hello,World","Hello2,World2","Hello3,World3","Hello4,World4"
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$result=Get-Content -Path $testPath -Readcount:-1 -Tail 5
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$result.Length | Should Be 4
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$expected = "Hello,World","Hello2,World2","Hello3,World3","Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Readcount 0 -Tail 3
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$result.Length | Should Be 3
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$expected = "Hello2,World2","Hello3,World3","Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Readcount 1 -Tail 3
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$result.Length | Should Be 3
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$expected = "Hello2,World2","Hello3,World3","Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Readcount 99999 -Tail 3
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$result.Length | Should Be 3
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$expected = "Hello2,World2","Hello3,World3","Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Readcount 2 -Tail 3
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$result.Length | Should Be 2
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$expected = "Hello2,World2","Hello3,World3"
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$expected = $expected,"Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Readcount 2 -Tail 2
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$result.Length | Should Be 2
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$expected = "Hello3,World3","Hello4,World4"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Delimiter "," -Tail 2
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$result.Length | Should Be 2
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$expected = "World3${nl}Hello4", "World4${nl}"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -Delimiter "o" -Tail 3
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$result.Length | Should Be 3
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$expected = "rld3${nl}Hell", '4,W', "rld4${nl}"
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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$result=Get-Content -Path $testPath -AsByteStream -Tail 10
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$result.Length | Should Be 10
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if ($IsWindows) {
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$expected = 52, 44, 87, 111, 114, 108, 100, 52, 13, 10
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} else {
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$expected = 111, 52, 44, 87, 111, 114, 108, 100, 52, 10
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It "should Get-Content with a variety of -Tail and -ReadCount: <test>" -TestCases @(
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@{ test = "negative readcount"
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GetContentParams = @{Path = $testPath; Readcount = -1; Tail = 5}
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expectedLength = 4
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expectedContent = "AA","BB","CC","DD"
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}
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for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i] | Should BeExactly $expected[$i]}
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@{ test = "readcount=0"
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GetContentParams = @{Path = $testPath; Readcount = 0; Tail = 3}
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expectedLength = 3
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expectedContent = "BB","CC","DD"
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}
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@{ test = "readcount=1"
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GetContentParams = @{Path = $testPath; Readcount = 1; Tail = 3}
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expectedLength = 3
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expectedContent = "BB","CC","DD"
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}
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@{ test = "high readcount"
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GetContentParams = @{Path = $testPath; Readcount = 99999; Tail = 3}
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expectedLength = 3
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expectedContent = "BB","CC","DD"
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}
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@{ test = "readcount=2 tail=3"
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GetContentParams = @{Path = $testPath; Readcount = 2; Tail = 3}
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expectedLength = 2
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expectedContent = ("BB","CC"), "DD"
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}
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@{ test = "readcount=2 tail=2"
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GetContentParams = @{Path = $testPath; Readcount = 2; Tail = 2}
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expectedLength = 2
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expectedContent = "CC","DD"
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}
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) {
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param($GetContentParams, $expectedLength, $expectedContent)
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Set-Content -Path $testPath $testContent
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$result = Get-Content @GetContentParams
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$result.Length | Should Be $expectedLength
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$result -eq $expectedContent
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}
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It "should Get-Content with a variety of -Delimiter and -Tail: <test>" -TestCases @(
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@{ test = ", as delimiter"
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GetContentParams = @{Path = $testPath; Delimiter = ","; Tail = 2}
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expectedLength = 2
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expectedContent = "World3${nl}Hello4", "World4${nl}"
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}
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@{ test = "o as delimiter"
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GetContentParams = @{Path = $testPath; Delimiter = "o"; Tail = 3}
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expectedLength = 3
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expectedContent = "rld3${nl}Hell", '4,W', "rld4${nl}"
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}
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) {
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param($GetContentParams, $expectedLength, $expectedContent)
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Set-Content -Path $testPath $testDelimiterContent
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$result = Get-Content @GetContentParams
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$result.Length | Should Be $expectedLength
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$result | Should BeExactly $expectedContent
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}
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It "should Get-Content with a variety of -Tail values and -AsByteStream parameter" -TestCases @(
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@{
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GetContentParams = @{Path = $testPath; Tail = 10; AsByteStream = $true}
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expectedLength = 10
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# Byte encoding of \r\nCC\r\nDD\r\n
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expectedWindowsContent = 13, 10, 67, 67, 13, 10, 68, 68, 13, 10
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# Byte encoding of \nBB\nCC\nDD\n
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expectedNotWindowsContent = 10, 66, 66, 10, 67, 67, 10, 68, 68, 10
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}
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) {
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param($GetContentParams, $expectedLength, $expectedWindowsContent, $expectedNotWindowsContent)
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Set-Content -Path $testPath $testContent
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$result = Get-Content @GetContentParams
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$result.Length | Should Be $expectedLength
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if ($isWindows) {
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$result | Should BeExactly $expectedWindowsContent
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} else {
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$result | Should BeExactly $expectedNotWindowsContent
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}
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}
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#[BugId(BugDatabase.WindowsOutOfBandReleases, 905829)]
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It "should Get-Content that matches the input string"{
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Set-Content $testPath "Hello,llllWorlld","Hello2,llllWorlld2"
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@ -227,6 +280,7 @@ baz
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Get-Content -Path $testPath -Tail 1 -ErrorAction Stop -Raw
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} | ShouldBeErrorId "InvalidOperation,Microsoft.PowerShell.Commands.GetContentCommand"
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}
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Context "Check Get-Content containing multi-byte chars" {
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BeforeAll {
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$firstLine = "Hello,World"
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