Class: Capybara::Server::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/capybara/server/middleware.rb

Defined Under Namespace

Classes: Counter

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, server_errors, extra_middleware = []) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/capybara/server/middleware.rb', line 25

def initialize(app, server_errors, extra_middleware = [])
  @app = app
  @extended_app = extra_middleware.inject(@app) do |ex_app, klass|
    klass.new(ex_app)
  end
  @counter = Counter.new
  @server_errors = server_errors
end

Instance Attribute Details

#error ⇒ Object

Returns the value of attribute error.



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# File 'lib/capybara/server/middleware.rb', line 23

def error
  @error
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/capybara/server/middleware.rb', line 38

def call(env)
  if env["PATH_INFO"] == "/__identify__"
    [200, {}, [@app.object_id.to_s]]
  else
    @counter.increment
    begin
      @extended_app.call(env)
    rescue *@server_errors => e
      @error ||= e
      raise e
    ensure
      @counter.decrement
    end
  end
end

#pending_requests? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/server/middleware.rb', line 34

def pending_requests?
  @counter.value.positive?
end