Module: RSpec::Rails::ViewSpecMethods

Defined in:
lib/rspec/rails/view_spec_methods.rb

Overview

Adds methods (generally to ActionView::TestCase::TestController). Intended for use in view specs.

Class Method Summary collapse

Class Method Details

.add_to(klass) ⇒ Object

Adds methods extra_params= and extra_params to the indicated class. When class is ::ActionView::TestCase::TestController, these methods are exposed in view specs on the controller object.



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/rspec/rails/view_spec_methods.rb', line 11

def add_to(klass)
  return if klass.method_defined?(:extra_params) && klass.method_defined?(:extra_params=)

  klass.module_exec do
    # Set any extra parameters that rendering a URL for this view
    # would require.
    #
    # @example
    #
    #     # In "spec/views/widgets/show.html.erb_spec.rb":
    #     before do
    #       widget = Widget.create!(:name => "slicer")
    #       controller.extra_params = { :id => widget.id }
    #     end
    def extra_params=(hash)
      @extra_params = hash
      request.path =
        ViewPathBuilder.new(::Rails.application.routes).path_for(
          extra_params.merge(request.path_parameters)
        )
    end

    # Use to read extra parameters that are set in the view spec.
    #
    # @example
    #
    #     # After the before in the above example:
    #     controller.extra_params
    #     # => { :id => 4 }
    def extra_params
      @extra_params ||= {}
      @extra_params.dup.freeze
    end
  end
end

.remove_from(klass) ⇒ Object

Removes methods extra_params= and extra_params from the indicated class.



48
49
50
51
52
53
 
# File 'lib/rspec/rails/view_spec_methods.rb', line 48

def remove_from(klass)
  klass.module_exec do
    undef extra_params= if klass.method_defined?(:extra_params=)
    undef extra_params  if klass.method_defined?(:extra_params)
  end
end