Class: Rasta::Fixture::FixtureLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/rasta/fixture_runner.rb

Overview

Load and run a fixture, indicated by the spreadsheet tab name

Instance Method Summary collapse

Constructor Details

#initialize(sheet, loaded_classes) ⇒ FixtureLoader

Returns a new instance of FixtureLoader.



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# File 'lib/rasta/fixture_runner.rb', line 10

def initialize(sheet, loaded_classes)
  
  # We're making an assumption here

  # that the fixture class matches the 

  # spreadsheet tab name for the fixture

  base_sheet_name = sheet.name.dup
  base_sheet_name.gsub!(/#.*/, '')
  
  # If the tab name has a dotted extension, grab it

  tab_extension = base_sheet_name[/\..*/].sub(/^./,'') if base_sheet_name[/\..*/]
  
  # Remove any extension found from the name 

  base_sheet_name.gsub!(/\..*/, '')
  
  # Get a reference to the loaded class

  classname = find_class_by_name(base_sheet_name, loaded_classes)
  
  # Instantiate the test fixture

  begin
    fixture = classname.new
    fixture.initialize_run(sheet)
    fixture.tab_extension = tab_extension
  rescue ArgumentError => e
    raise ArgumentError, "Unable to load class #{@classname}. Make sure the class includes the Rasta fixture: #{e.inspect + e.backtrace.join("\n")}"
  end
  
  # Run the test fixture

  fixture.run
  fixture = nil
end

Instance Method Details

#find_class_by_name(classname, loaded_classes) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/rasta/fixture_runner.rb', line 41

def find_class_by_name(classname, loaded_classes)
  config = Configuration.instance
  ObjectSpace.each_object(Class) do |klass| 
    # don't try to load a class unless it is 

    # something we actually loaded ourselves

    next unless loaded_classes.include?(klass.name)
    if config.module
      return klass if klass.name =~ /#{config.module}::#{classname}$/
    else
      return klass if klass.name =~ /(^|:)#{classname}$/
    end
  end
  raise ArgumentError, "Class '#{config.module}::#{classname}' not found!"
end