new test for psscriptanalyzer providing better output and using pester foreach cases

Author: autosysops

PSModuleDevelopment/tests/general/PSScriptAnalyzer.Tests.ps1

@@ -2,39 +2,49 @@
 Param (
 	[switch]
 	$SkipTest,
-	
+
 	[string[]]
 	$CommandPath = @("$global:testroot\..\functions", "$global:testroot\..\internal\functions")
 )
 
-if ($SkipTest) { return }
+BeforeDiscovery {
+	if ($SkipTest) { return }
+
+	$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+
+	# Create an array containing the path and basename of all files to test
+	$commandFiles = $CommandPath | ForEach-Object {
+		Get-ChildItem -Path $_ -Recurse | Where-Object Name -like "*.ps1"
+	} | ForEach-Object {
+		@{
+			BaseName = $_.BaseName
+			FullName = $_.FullName
+		}
+	}
 
-$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+	# Create an array contain all rules
+	$scriptAnalyzerRules = Get-ScriptAnalyzerRule | ForEach-Object {
+		@{
+			RuleName = $_.RuleName
+		}
+	}
+}
 
 Describe 'Invoking PSScriptAnalyzer against commandbase' {
-	$commandFiles = Get-ChildItem -Path $CommandPath -Recurse | Where-Object Name -like "*.ps1"
-	$scriptAnalyzerRules = Get-ScriptAnalyzerRule
-	
-	foreach ($file in $commandFiles)
-	{
-		Context "Analyzing $($file.BaseName)" {
-			$analysis = Invoke-ScriptAnalyzer -Path $file.FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
-			
-			forEach ($rule in $scriptAnalyzerRules)
-			{
-				It "Should pass $rule" -TestCases @{ analysis = $analysis; rule = $rule } {
-					If ($analysis.RuleName -contains $rule)
-					{
-						$analysis | Where-Object RuleName -EQ $rule -outvariable failures | ForEach-Object { $null = $global:__pester_data.ScriptAnalyzer.Add($_) }
-						
-						1 | Should -Be 0
-					}
-					else
-					{
-						0 | Should -Be 0
-					}
-				}
-			}
+
+	Context "Analyzing <BaseName>" -ForEach $commandFiles {
+		BeforeAll {
+			$analysis = Invoke-ScriptAnalyzer -Path $FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
+		}
+
+		It "Should pass <RuleName>" -Foreach $scriptAnalyzerRules {
+			# Test if the rule is present and if so create a string containing more info which will be shown in the details of the test output. If it's empty the test is succesfull as there is no problem with this rule.
+			$analysis | Where-Object RuleName -EQ $RuleName | Foreach-Object {
+				# Create a string
+				"$($_.Severity) at Line $($_.Line) Column $($_.Column) with '$($_.Extent)'"
+				# Add the data (and supress the output) to the global variable for later use
+				$null = $global:__pester_data.ScriptAnalyzer.Add($_)
+			} | Should -BeNullOrEmpty
 		}
 	}
 }

templates/MiniModule/tests/general/PSScriptAnalyzer.Tests.ps1

@@ -2,39 +2,49 @@
 Param (
 	[switch]
 	$SkipTest,
-	
+
 	[string[]]
 	$CommandPath = @("$global:testroot\..\þnameþ\functions", "$global:testroot\..\þnameþ\internal\functions")
 )
 
-if ($SkipTest) { return }
+BeforeDiscovery {
+	if ($SkipTest) { return }
+
+	$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+
+	# Create an array containing the path and basename of all files to test
+	$commandFiles = $CommandPath | ForEach-Object {
+		Get-ChildItem -Path $_ -Recurse | Where-Object Name -like "*.ps1"
+	} | ForEach-Object {
+		@{
+			BaseName = $_.BaseName
+			FullName = $_.FullName
+		}
+	}
 
-$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+	# Create an array contain all rules
+	$scriptAnalyzerRules = Get-ScriptAnalyzerRule | ForEach-Object {
+		@{
+			RuleName = $_.RuleName
+		}
+	}
+}
 
 Describe 'Invoking PSScriptAnalyzer against commandbase' {
-	$commandFiles = foreach ($path in $CommandPath) { Get-ChildItem -Path $path -Recurse | Where-Object Name -like "*.ps1" }
-	$scriptAnalyzerRules = Get-ScriptAnalyzerRule
-	
-	foreach ($file in $commandFiles)
-	{
-		Context "Analyzing $($file.BaseName)" {
-			$analysis = Invoke-ScriptAnalyzer -Path $file.FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
-			
-			forEach ($rule in $scriptAnalyzerRules)
-			{
-				It "Should pass $rule" -TestCases @{ analysis = $analysis; rule = $rule } {
-					If ($analysis.RuleName -contains $rule)
-					{
-						$analysis | Where-Object RuleName -EQ $rule -outvariable failures | ForEach-Object { $null = $global:__pester_data.ScriptAnalyzer.Add($_) }
-						
-						1 | Should -Be 0
-					}
-					else
-					{
-						0 | Should -Be 0
-					}
-				}
-			}
+
+	Context "Analyzing <BaseName>" -ForEach $commandFiles {
+		BeforeAll {
+			$analysis = Invoke-ScriptAnalyzer -Path $FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
+		}
+
+		It "Should pass <RuleName>" -Foreach $scriptAnalyzerRules {
+			# Test if the rule is present and if so create a string containing more info which will be shown in the details of the test output. If it's empty the test is succesfull as there is no problem with this rule.
+			$analysis | Where-Object RuleName -EQ $RuleName | Foreach-Object {
+				# Create a string
+				"$($_.Severity) at Line $($_.Line) Column $($_.Column) with '$($_.Extent)'"
+				# Add the data (and supress the output) to the global variable for later use
+				$null = $global:__pester_data.ScriptAnalyzer.Add($_)
+			} | Should -BeNullOrEmpty
 		}
 	}
 }

templates/PSFTests/general/PSScriptAnalyzer.Tests.ps1

@@ -2,41 +2,49 @@
 Param (
 	[switch]
 	$SkipTest,
-	
+
 	[string[]]
 	$CommandPath = @("$global:testroot\..\functions", "$global:testroot\..\internal\functions")
 )
 
-if ($SkipTest) { return }
+BeforeDiscovery {
+	if ($SkipTest) { return }
+
+	$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+
+	# Create an array containing the path and basename of all files to test
+	$commandFiles = $CommandPath | ForEach-Object {
+		Get-ChildItem -Path $_ -Recurse | Where-Object Name -like "*.ps1"
+	} | ForEach-Object {
+		@{
+			BaseName = $_.BaseName
+			FullName = $_.FullName
+		}
+	}
 
-$global:__pester_data.ScriptAnalyzer = New-Object System.Collections.ArrayList
+	# Create an array contain all rules
+	$scriptAnalyzerRules = Get-ScriptAnalyzerRule | ForEach-Object {
+		@{
+			RuleName = $_.RuleName
+		}
+	}
+}
 
 Describe 'Invoking PSScriptAnalyzer against commandbase' {
-	$commandFiles = foreach ($path in $CommandPath) {
-        Get-ChildItem -Path $path -Recurse | Where-Object Name -like "*.ps1"
-    }
-	$scriptAnalyzerRules = Get-ScriptAnalyzerRule
-	
-	foreach ($file in $commandFiles)
-	{
-		Context "Analyzing $($file.BaseName)" {
-			$analysis = Invoke-ScriptAnalyzer -Path $file.FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
-			
-			forEach ($rule in $scriptAnalyzerRules)
-			{
-				It "Should pass $rule" -TestCases @{ analysis = $analysis; rule = $rule } {
-					If ($analysis.RuleName -contains $rule)
-					{
-						$analysis | Where-Object RuleName -EQ $rule -outvariable failures | ForEach-Object { $null = $global:__pester_data.ScriptAnalyzer.Add($_) }
-						
-						1 | Should -Be 0
-					}
-					else
-					{
-						0 | Should -Be 0
-					}
-				}
-			}
+
+	Context "Analyzing <BaseName>" -ForEach $commandFiles {
+		BeforeAll {
+			$analysis = Invoke-ScriptAnalyzer -Path $FullName -ExcludeRule PSAvoidTrailingWhitespace, PSShouldProcess
+		}
+
+		It "Should pass <RuleName>" -Foreach $scriptAnalyzerRules {
+			# Test if the rule is present and if so create a string containing more info which will be shown in the details of the test output. If it's empty the test is succesfull as there is no problem with this rule.
+			$analysis | Where-Object RuleName -EQ $RuleName | Foreach-Object {
+				# Create a string
+				"$($_.Severity) at Line $($_.Line) Column $($_.Column) with '$($_.Extent)'"
+				# Add the data (and supress the output) to the global variable for later use
+				$null = $global:__pester_data.ScriptAnalyzer.Add($_)
+			} | Should -BeNullOrEmpty
 		}
 	}
 }