New Template for Unit Tests

Author: Friedrich Weinmann

templates/CommandTest/PSMDInvoke.ps1

@@ -0,0 +1,5 @@
+param (
+	$Path
+)
+
+New-PSMDTemplate -FilePath "$PSScriptRoot\þnameþ.Tests.ps1" -TemplateName CommandTest -OutPath $Path -Description "Testing template for a command unit test" -Author "Friedrich Weinmann" -Tags 'command', 'test', 'file'

templates/CommandTest/þnameþ.Tests.ps1

@@ -0,0 +1,59 @@
+Describe "þnameþ Unit Tests" -Tag "Unit" {
+	BeforeAll {
+		# Place here all things needed to prepare for the tests
+	}
+	AfterAll {
+		# Here is where all the cleanup tasks go
+	}
+	
+	Describe "Ensuring unchanged command signature" {
+		It "should have the expected parameter sets" {
+			(Get-Command þnameþ).ParameterSets.Name | Should -Be þ{ ((Get-Command $Parameters.Name).ParameterSets.Name | ForEach-Object { "'{0}'" -f $_ }) -join ', ' }þ
+		}
+		
+þ{
+			$lines = @()
+			$commonParameters = 'Verbose', 'Debug', 'ErrorAction', 'WarningAction', 'InformationAction', 'ErrorVariable', 'WarningVariable', 'InformationVariable', 'OutVariable', 'OutBuffer', 'PipelineVariable'
+			foreach ($parameter in ((Get-Command $Parameters.Name).Parameters.Values | Where-Object Name -NotIn $commonParameters))
+			{
+				$lines += "		It 'Should habe the expected parameter $($parameter.Name)' {"
+				$lines += "			`$parameter = (Get-Command $($Parameters.Name)).Parameters[$($parameter.Name)]"
+				$lines += "			`$parameter.Name | Should -Be '$($parameter.Name)'"
+				$lines += "			`$parameter.ParameterType.ToString() | Should -Be $($parameter.ParameterType.ToString())"
+				$lines += "			`$parameter.IsDynamic | Should -Be `$$($parameter.IsDynamic)"
+				$lines += "			`$parameter.ParameterSets.Keys | Should -Be $(($parameter.ParameterSets.Keys | ForEach-Object { "'{0}'" -f $_ }) -join ', ')"
+				foreach ($key in $parameter.ParameterSets.Keys)
+				{
+					$lines += "			`$parameter.ParameterSets.Keys | Should -Contain '$($key)'"
+					$lines += "			`$parameter.ParameterSets['$($key)'].IsMandatory | Should -Be `$$($parameter.ParameterSets[$key].IsMandatory)"
+					$lines += "			`$parameter.ParameterSets['$($key)'].Position | Should -Be $($parameter.ParameterSets[$key].Position)"
+					$lines += "			`$parameter.ParameterSets['$($key)'].ValueFromPipeline | Should -Be `$$($parameter.ParameterSets[$key].ValueFromPipeline)"
+					$lines += "			`$parameter.ParameterSets['$($key)'].ValueFromPipelineByPropertyName | Should -Be `$$($parameter.ParameterSets[$key].ValueFromPipelineByPropertyName)"
+					$lines += "			`$parameter.ParameterSets['$($key)'].ValueFromRemainingArguments | Should -Be `$$($parameter.ParameterSets[$key].ValueFromRemainingArguments)"
+				}
+				$lines += "		}"
+			}
+			$lines -join "`n"
+		}þ
+	}
+	
+þ{
+		$commonParameters = 'Verbose', 'Debug', 'ErrorAction', 'WarningAction', 'InformationAction', 'ErrorVariable', 'WarningVariable', 'InformationVariable', 'OutVariable', 'OutBuffer', 'PipelineVariable'
+		foreach ($parameterSet in (Get-Command $Parameters.Name).ParameterSets)
+		{
+			$name = $parameterSet.Name
+			$allParam = $parameterSet.Parameters | Where-Object Name -NotIn $commonParameters
+			$mandatory = $allParam | Where-Object IsMandatory -EQ $true
+			
+			@"
+	Describe "Testing parameterset $($name)" {
+		<#
+		$($parameterSet.Name) -$($mandatory.Name -join " -")
+		$($parameterSet.Name) -$($allParam.Name -join " -")
+		#>
+	}
+
+"@
+		}
+	}þ
+}