Class: Moto::TestGenerator

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

Instance Method Summary collapse

Constructor Details

#initialize(app_dir) ⇒ TestGenerator

Returns a new instance of TestGenerator.



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# File 'lib/test_generator.rb', line 9

def initialize(app_dir)
  @app_dir = app_dir
end

Instance Method Details

#create(class_name) ⇒ Object

assuming that target file includes full valid ruby class



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# File 'lib/test_generator.rb', line 14

def create(class_name)
  class_name = 'MotoApp::Tests::'+class_name
  a = class_name.underscore.split('/')
  test_path = (a[1..20]+[a[-1]]).join('/')
  
  # TODO: check if this path and constant exists
  require "#{MotoApp::DIR}/#{test_path}"
  test_const = class_name.safe_constantize  
  test_const.new
end

#create_module_tree(root_module, next_modules) ⇒ Object 



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# File 'lib/test_generator.rb', line 25

def create_module_tree(root_module, next_modules)
  return root_module if next_modules.empty?
  next_module_name = next_modules.shift
  if root_module.const_defined?(next_module_name.to_sym)
    m = root_module.const_get(next_module_name.to_sym)
  else
    m = Module.new
    root_module.const_set(next_module_name.to_sym, m)
  end
  create_module_tree(m, next_modules)
end

#generate(test_path_absolute) ⇒ Object

assuming that target file includes only content of method ‘run’ and some magic comments



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# File 'lib/test_generator.rb', line 38

def generate(test_path_absolute)
  method_body = File.read(test_path_absolute) + "\n"

  full_code = !! method_body.match( /^#\s*FULL_CODE\s+/ )

  if full_code
    generate_for_full_class_code(test_path_absolute)
  else
    generate_for_run_body(test_path_absolute, method_body)
  end
end

#generate_for_full_class_code(test_path_absolute) ⇒ Object

Generates objects with tests that are supposed to be executed in this run.



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# File 'lib/test_generator.rb', line 51

def generate_for_full_class_code(test_path_absolute)
  require test_path_absolute

  test_object = nil

  # Checking if it's possible to create test based on provided path. In case something is wrong with
  # modules structure in class itself Moto::Test will be instantized with raise injected into its run()
  # so we can have proper reporting and summary even if the test doesn't execute.
  begin
    class_name = test_path_absolute.gsub("#{MotoApp::DIR}/",'moto_app/').camelize.chomp('.rb').constantize
    test_object = class_name.new
  rescue NameError
    class_name = Moto::Test
    test_object = class_name.new

    class << test_object
      attr_accessor :custom_name
    end

    test_object.custom_name = test_path_absolute.gsub("#{MotoApp::DIR}/",'moto_app/').camelize.chomp('.rb')

    class << test_object
      def run
        raise "ERROR: Invalid module structure: #{custom_name}"
      end
    end

  end

  test_object.static_path = test_path_absolute
  test_object.evaled = false
  test_object
end

#generate_for_run_body(test_path_absolute, method_body) ⇒ Object 



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# File 'lib/test_generator.rb', line 85

def generate_for_run_body(test_path_absolute, method_body)
  base = Moto::Test
  base_class_string = method_body.match( /^#\s*BASE_CLASS:\s(\S+)/ )
  unless base_class_string.nil?
    base_class_string = base_class_string[1].strip
    
    a = base_class_string.underscore.split('/')
    base_test_path = a[1..-1].join('/')
    
    require "#{MotoApp::DIR}/#{base_test_path}"
    base = base_class_string.constantize
  end

  # MotoApp::Tests::Login::Short
  consts = test_path_absolute.camelize.split('Tests::')[1].split('::')
  consts.pop
  class_name = consts.pop

  m = create_module_tree(MotoApp::Tests, consts)
  cls = Class.new(base)
  m.const_set(class_name.to_sym, cls)
  
  test_object = cls.new
  test_object.instance_eval( "def run\n  #{method_body} \n end" )
  test_object.static_path = test_path_absolute
  test_object.evaled = true        
  test_object
end