Class: RSpec::Rails::ViewPathBuilder

Inherits:

Object

• Object
• RSpec::Rails::ViewPathBuilder

Defined in:

lib/rspec/rails/view_path_builder.rb

Overview

Builds paths for view specs using a particular route set.

Instance Method Summary

• #initialize(route_set) ⇒ ViewPathBuilder constructor

  A new instance of ViewPathBuilder.

• #path_for(path_params) ⇒ Object

  Given a hash of parameters, build a view path, if possible.

Constructor Details

#initialize(route_set) ⇒ ViewPathBuilder

Returns a new instance of ViewPathBuilder.

# File 'lib/rspec/rails/view_path_builder.rb', line 5
def initialize(route_set)
  self.class.send(:include, route_set.url_helpers)
end

Instance Method Details

#path_for(path_params) ⇒ Object

Given a hash of parameters, build a view path, if possible. Returns nil if no path can be built from the given params.

Examples:

# path can be built because all required params are present in the hash
view_path_builder = ViewPathBuilder.new(::Rails.application.routes)
view_path_builder.path_for({ :controller => 'posts', :action => 'show', :id => '54' })
# => "/post/54"

# path cannot be built because the params are missing a required element (:id)
view_path_builder.path_for({ :controller => 'posts', :action => 'delete' })
# => ActionController::UrlGenerationError: No route matches {:action=>"delete", :controller=>"posts"}

# File 'lib/rspec/rails/view_path_builder.rb', line 22
def path_for(path_params)
  url_for(path_params.merge(:only_path => true))
rescue => e
  e.message
end