Module: Angus::RSpec::Examples::DescribeErrors

Defined in:
lib/angus/rspec/support/examples/describe_errors.rb

Class Method Summary collapse

Class Method Details

.mock_service(base, error, example, &block) ⇒ Object

Mock a base service by redefining .app method, yields the given block, and

restores the original .app method

Parameters:

  • Class (Class) —

    that responds to .get

  • error —

    Exception that will be raised when executing a get route

  • example (#app) —

    Running example



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# File 'lib/angus/rspec/support/examples/describe_errors.rb', line 12

def self.mock_service(base, error, example, &block)

  base_class = if base.is_a?(Class)
                 base
               else
                 base.class
               end

  mock = Class.new(base_class) do
    def initialize(base, error)
      @base = base
      @error = error

      super()

      router.on(:get, '/error') do
        raise error
      end
    end

    def class
      @base
    end
  end

  example.define_singleton_method :app do
    mock.new(base_class, error)
  end

  begin
    yield
  ensure
    example.define_singleton_method :app do
      base
    end
  end
end