Class: DaVinciDTRTestKit::FixtureLoader

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/davinci_dtr_test_kit/full_ehr/fixture_loader.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FixtureLoader

Returns a new instance of FixtureLoader.



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# File 'lib/davinci_dtr_test_kit/full_ehr/fixture_loader.rb', line 8

def initialize
  @cache = {}
end

Instance Method Details

#[](path) ⇒ Object 



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# File 'lib/davinci_dtr_test_kit/full_ehr/fixture_loader.rb', line 12

def [](path)
  return unless path.present?

  return @cache[path] if @cache.key?(path)

  fixture_path = File.join(__dir__, 'fixtures', path)
  begin
    fhir_instance = FHIR.from_contents(File.read(fixture_path))
  rescue Errno::ENOENT
    raise Inferno::Exceptions::TestSuiteImplementationException.new('FixtureLoader',
                                                                    "File not found: #{fixture_path}")
  rescue JSON::ParserError => e
    raise Inferno::Exceptions::TestSuiteImplementationException.new('FixtureLoader',
                                                                    "Invalid JSON in #{fixture_path}: #{e.message}")
  end
  if fhir_instance.nil?
    raise Inferno::Exceptions::TestSuiteImplementationException.new(
      'FixtureLoader',
      "#{fixture_path} does not contain a valid FHIR resource."
    )
  end

  @cache[path] = fhir_instance
end