testcases/deploymentTemplate/Dynamic-Variable-References-Should-Not-Use-Concat.test.ps1
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<# .Synopsis .Description #> param( [Parameter(Mandatory)] [string] $TemplateText ) # Because so many parts of an Azure Resource Manager expression allow whitespace, # it's easier to create a Regex by listing all of the segments $matchSegments = 'variables', '\(', 'concat', '\(', "'(?<VariableName>[^']+)'", '\)', ',', 'parameters', '\(', "'(?<ParameterName>[^']+)'", '\)', '\)' $DynamicCompatReference = [Regex]::new( $matchSegments -join ([Environment]::NewLine + '\s?' + [Environment]::NewLine), 'IgnoreCase,IgnorePatternWhitespace') foreach ($match in $DynamicCompatReference.Matches($TemplateText)) { $rewriteMsg = "variables('$($match.Groups['VariableName'])')[parameters('$($match.Groups['ParameterName'])']" Write-Error "Dynamic Variable References should not use concat. Suggested: $rewriteMsg" -ErrorId 'DynamicVariable.Reference.Using.Concat' -TargetObject $match } |