292 lines
No EOL
7.6 KiB
PowerShell
292 lines
No EOL
7.6 KiB
PowerShell
Describe "Measure-Object" {
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$testObject = 1,3,4
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It "Should be able to be called without error" {
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{ Measure-Object | Out-Null } | Should Not Throw
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}
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It "Should be able to call on piped input" {
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{ $testObject | Measure-Object } | Should Not Throw
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}
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It "Should be able to count the number of objects input to it" {
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$($testObject | Measure-Object).Count | Should Be $testObject.Length
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}
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It "Should be able to count using the Property switch" {
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$expected = $(Get-ChildItem $TestDrive).Length
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$actual = $(Get-ChildItem $TestDrive | Measure-Object -Property Length).Count
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$actual | Should Be $expected
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}
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Context "Numeric tests" {
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It "Should be able to sum" {
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$actual = $testObject | Measure-Object -Sum
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$expected = 0
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foreach ( $obj in $testObject )
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{
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$expected += $obj
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}
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$actual.Sum | Should Be $expected
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}
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It "Should be able to average" {
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$actual = $testObject | Measure-Object -Average
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$expected = 0
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foreach ( $obj in $testObject )
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{
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$expected += $obj
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}
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$expected /= $testObject.length
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$actual.Average | Should Be $expected
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}
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It "Should be able to return a minimum" {
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$actual = $testObject | Measure-Object -Minimum
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$expected = $testObject[0]
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for ($i=0; $i -lt $testObject.length; $i++)
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{
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if ( $testObject[$i] -lt $expected )
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{
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$expected = $testObject[$i]
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}
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}
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$actual.Minimum | Should Be $expected
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}
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It "Should be able to return a minimum when multiple objects are the minimum" {
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$testMinimum = 1,1,2,4
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$actual = $testMinimum | Measure-Object -Minimum
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$expected = $testMinimum[0]
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for ($i=1; $i -lt $testMinimum.length; $i++)
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{
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if ( $testMinimum[$i] -lt $expected )
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{
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$expected = $testMinimum[$i]
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}
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}
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$actual.Minimum | Should Be $expected
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}
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It "Should be able to return a maximum" {
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$actual = $testObject | Measure-Object -Maximum
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$expected = $testObject[0]
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for ($i=1; $i -lt $testObject.length; $i++)
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{
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if ( $testObject[$i] -gt $expected )
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{
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$expected = $testObject[$i]
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}
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}
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$actual.Maximum | Should Be $expected
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}
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It "Should be able to return a maximum when multiple objects are the maximum" {
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$testMaximum = 1,3,5,5
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$actual = $testMaximum | Measure-Object -Maximum
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$expected = $testMaximum[0]
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for ($i=1; $i -lt $testMaximum.length; $i++)
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{
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if ( $testMaximum[$i] -gt $expected )
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{
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$expected = $testMaximum[$i]
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}
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}
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$actual.Maximum | Should Be $expected
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}
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}
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Context "String tests" {
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$nl = [Environment]::NewLine
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$testString = "HAD I the heavens' embroidered cloths,$nl Enwrought with golden and silver light,$nl The blue and the dim and the dark cloths$nl Of night and light and the half light,$nl I would spread the cloths under your feet:$nl But I, being poor, have only my dreams;$nl I have spread my dreams under your feet;$nl Tread softly because you tread on my dreams."
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It "Should be able to count the number of words in a string" {
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$expectedLength = $testString.Replace($nl,"").Split().length
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$actualLength = $testString | Measure-Object -Word
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$actualLength.Words | Should Be $expectedLength
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}
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It "Should be able to count the number of characters in a string" {
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$expectedLength = $testString.length
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$actualLength = $testString | Measure-Object -Character
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$actualLength.Characters | Should Be $expectedLength
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}
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It "Should be able to count the number of lines in a string" {
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$expectedLength = $testString.Split($nl, [System.StringSplitOptions]::RemoveEmptyEntries).length
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$actualLength = $testString | Measure-Object -Line
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$actualLength.Lines | Should Be $expectedLength
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}
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}
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}
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Describe "Measure-Object DRT basic functionality" -Tags DRT{
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BeforeAll {
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if(-not ([System.Management.Automation.PSTypeName]'TestMeasureGeneric').Type)
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{
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Add-Type -TypeDefinition @"
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[System.Flags]
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public enum TestMeasureGeneric : uint
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{
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TestSum = 1,
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TestAverage = 2,
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TestMax = 4,
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TestMin = 8
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}
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"@
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}
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if(-not ([System.Management.Automation.PSTypeName]'TestMeasureText').Type)
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{
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Add-Type -TypeDefinition @"
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[System.Flags]
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public enum TestMeasureText : uint
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{
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TestIgnoreWS = 1,
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TestCharacter = 2,
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TestWord = 4,
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TestLine = 8
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}
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"@
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}
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$employees = [pscustomobject]@{"FirstName"="joseph"; "LastName"="smith"; "YearsInMS"=15},
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[pscustomobject]@{"FirstName"="paul"; "LastName"="smith"; "YearsInMS"=15},
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[pscustomobject]@{"FirstName"="mary jo"; "LastName"="soe"; "YearsInMS"=5},
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[pscustomobject]@{"FirstName"="edmund`todd `n"; "LastName"="bush"; "YearsInMS"=9}
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}
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It "Measure-Object with Generic enum value options combination should work"{
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$flags = [TestMeasureGeneric]0
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$property = "FirstName"
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$testSum = ($flags -band [TestMeasureGeneric]::TestSum) -gt 0
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$testAverage = ($flags -band [TestMeasureGeneric]::TestAverage) -gt 0
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$testMax = ($flags -band [TestMeasureGeneric]::TestMax) -gt 0
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$testMin = ($flags -band [TestMeasureGeneric]::TestMin) -gt 0
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$result = $employees | Measure-Object -Sum:$testSum -Average:$testAverage -Max:$testMax -Min:$testMin -Prop $property
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$result.Count | Should Be 4
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$result.Sum | Should BeNullOrEmpty
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$result.Average | Should BeNullOrEmpty
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$result.Max | Should BeNullOrEmpty
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$result.Min | Should BeNullOrEmpty
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for ($i = 1; $i -lt 8 * 2; $i++)
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{
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$flags = [TestMeasureGeneric]$i
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$property = "YearsInMS"
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$testSum = ($flags -band [TestMeasureGeneric]::TestSum) -gt 0
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$testAverage = ($flags -band [TestMeasureGeneric]::TestAverage) -gt 0
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$testMax = ($flags -band [TestMeasureGeneric]::TestMax) -gt 0
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$testMin = ($flags -band [TestMeasureGeneric]::TestMin) -gt 0
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$result = $employees | Measure-Object -Sum:$testSum -Average:$testAverage -Max:$testMax -Min:$testMin -Prop $property
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$result.Count | Should Be 4
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if($testSum)
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{
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$result.Sum | Should Be 44
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}
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else
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{
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$result.Sum | Should BeNullOrEmpty
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}
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if($testAverage)
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{
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$result.Average | Should Be 11
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}
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else
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{
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$result.Average | Should BeNullOrEmpty
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}
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if($testMax)
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{
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$result.Maximum | Should Be 15
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}
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else
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{
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$result.Maximum | Should BeNullOrEmpty
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}
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if($testMin)
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{
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$result.Minimum | Should Be 5
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}
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else
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{
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$result.Minimum | Should BeNullOrEmpty
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}
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}
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}
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It "Measure-Object with Text combination should work"{
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for ($i = 1; $i -lt 8 * 2; $i++)
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{
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$flags = [TestMeasureText]$i
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$property = "FirstName"
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$testIgnoreWS = ($flags -band [TestMeasureText]::TestIgnoreWS) -gt 0
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$testCharacter = ($flags -band [TestMeasureText]::TestCharacter) -gt 0
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$testWord = ($flags -band [TestMeasureText]::TestWord) -gt 0
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$testLine = ($flags -band [TestMeasureText]::TestLine) -gt 0
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$result = $employees | Measure-Object -IgnoreWhiteSpace:$testIgnoreWS -Character:$testCharacter -Word:$testWord -Line:$testLine -Prop $property
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if($testCharacter)
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{
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if($testIgnoreWS)
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{
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$result.Characters | Should Be 25
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}
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else
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{
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$result.Characters | Should Be 29
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}
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}
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else
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{
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$result.Characters | Should BeNullOrEmpty
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}
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if($testWord)
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{
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$result.Words | Should Be 6
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}
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else
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{
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$result.Words | Should BeNullOrEmpty
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}
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if($testLine)
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{
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$result.Lines | Should Be 4
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}
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else
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{
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$result.Lines | Should BeNullOrEmpty
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}
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}
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}
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It "Measure-Object with multiple lines should work"{
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$result = "123`n4"|measure-object -line
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$result.Lines | Should Be 2
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}
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} |