Class: Capybara::Server::Middleware Private

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

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

API:

  • private

Defined Under Namespace

Classes: Counter

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Middleware.

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 31

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 (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 29

def error
  @error
end

Instance Method Details

#call(env) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 52

def call(env)
  if env['PATH_INFO'] == '/__identify__'
    [200, {}, [@app.object_id.to_s]]
  else
    request_uri = env['REQUEST_URI']
    @counter.increment(request_uri)

    begin
      @extended_app.call(env)
    rescue *@server_errors => e
      @error ||= e
      raise e
    ensure
      @counter.decrement(request_uri)
    end
  end
end

#clear_error ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 48

def clear_error
  @error = nil
end

#pending_requests ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 40

def pending_requests
  @counter.value
end

#pending_requests? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

API:

  • private



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# File 'lib/capybara/server/middleware.rb', line 44

def pending_requests?
  @counter.positive?
end