Module: DaVinciCRDTestKit::ReplaceTokens

Included in:
CustomServiceResponse, PrefetchCompletenessChecker, PrefetchContentsValidation
Defined in:
lib/davinci_crd_test_kit/cross_suite/replace_tokens.rb

Overview

Replace “prefetch” tokens (fhirpath surrounded by {}) in json object representation requires execute_fhirpath_on_cds_request (from the FhirpathOnCDSRequest module)

Instance Method Summary collapse

Instance Method Details

#replace_tokens(value, request) ⇒ Object 



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# File 'lib/davinci_crd_test_kit/cross_suite/replace_tokens.rb', line 5

def replace_tokens(value, request)
  case value
  when Hash
    value.each_value { |sub_value| replace_tokens(sub_value, request) }
  when Array
    value.map! { |entry| replace_tokens(entry, request) }
  else
    replace_tokens_in_string(value.to_s, request)
  end
end

#replace_tokens_in_string(string, request) ⇒ Object 



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# File 'lib/davinci_crd_test_kit/cross_suite/replace_tokens.rb', line 16

def replace_tokens_in_string(string, request)
  return string unless string.include?('{{')

  tokens_to_replace = string.scan(/\{\{([^}]+)\}\}/).flatten
  replacements = tokens_to_replace.each_with_object({}) do |expression, dictionary|
    next if dictionary["{{#{expression}}}"].present?

    dictionary["{{#{expression}}}"] = calculate_expression_value(request, expression)
  end

  string.gsub!(/\{\{.*?\}\}/, replacements)
end