inputs_spec.rb

# coding: utf-8
require File.dirname(__FILE__) + '/spec_helper'

describe 'SemanticFormBuilder#inputs' do
  
  include FormtasticSpecHelper
  
  before do
    @output_buffer = ''
    mock_everything
  end

  describe 'with a block' do

    describe 'when no options are provided' do
      before do
        output_buffer.replace 'before_builder' # clear the output buffer and sets before_builder
        semantic_form_for(@new_post) do |builder|
          @inputs_output = builder.inputs do
            concat('hello')
          end
        end
      end

      it 'should output just the content wrapped in inputs, not the whole template' do
        output_buffer.should      =~ /before_builder/
        @inputs_output.should_not =~ /before_builder/
      end

      it 'should render a fieldset inside the form, with a class of "inputs"' do
        output_buffer.should have_tag("form fieldset.inputs")
      end

      it 'should render an ol inside the fieldset' do
        output_buffer.should have_tag("form fieldset.inputs ol")
      end

      it 'should render the contents of the block inside the ol' do
        output_buffer.should have_tag("form fieldset.inputs ol", /hello/)
      end

      it 'should not render a legend inside the fieldset' do
        output_buffer.should_not have_tag("form fieldset.inputs legend")
      end

      it 'should render a fieldset even if no object is given' do
        semantic_form_for(:project, :url => 'http://test.host/') do |builder|
          @inputs_output = builder.inputs do
            concat('bye')
          end
        end

        output_buffer.should have_tag("form fieldset.inputs ol", /bye/)
      end
    end

    describe 'when a :for option is provided' do
      
      before do
        @new_post.stub!(:respond_to?).and_return(true, true)
        @new_post.stub!(:author).and_return(@bob)
      end
      
      it 'should render nested inputs' do
        @bob.stub!(:column_for_attribute).and_return(mock('column', :type => :string, :limit => 255))

        semantic_form_for(@new_post) do |builder|
          builder.inputs :for => [:author, @bob] do |bob_builder|
            concat(bob_builder.input(:login))
          end
        end

        output_buffer.should have_tag("form fieldset.inputs #post_author_attributes_login")
        output_buffer.should_not have_tag("form fieldset.inputs #author_login")

      end
      
      describe "as a symbol representing the association name" do
        
        it 'should nest the inputs with an _attributes suffix on the association name' do
          semantic_form_for(@new_post) do |post|
            post.inputs :for => :author do |author|
              concat(author.input(:login))
            end
          end
          output_buffer.should have_tag("form input[@name='post[author_attributes][login]']")
        end
        
      end
      
      describe "as a symbol representing a has_many association name" do
        before do
          @new_post.stub!(:authors).and_return([@bob, @fred])
          @new_post.stub!(:authors_attributes=)
        end
        
        it 'should nest the inputs with a name input for each item' do
          semantic_form_for(@new_post) do |post|
            post.inputs :for => :authors do |author|
              concat(author.input(:login))
            end
          end
          
          output_buffer.should have_tag("form input[@name='post[authors_attributes][0][login]']")
          output_buffer.should have_tag("form input[@name='post[authors_attributes][1][login]']")
        end
      end
      
      describe 'as an array containing the a symbole for the association name and the associated object' do
        
        it 'should nest the inputs with an _attributes suffix on the association name' do
          semantic_form_for(@new_post) do |post|
            post.inputs :for => [:author, @new_post.author] do |author|
              concat(author.input(:login))
            end
          end
          output_buffer.should have_tag("form input[@name='post[author_attributes][login]']")
        end
        
      end
        
      describe 'as an associated object' do
        
        it 'should not nest the inputs with an _attributes suffix' do
          semantic_form_for(@new_post) do |post|
            post.inputs :for => @new_post.author do |author|
              concat(author.input(:login))
            end
          end
          output_buffer.should have_tag("form input[@name='post[author][login]']")
        end
        
      end 

      it 'should raise an error if :for and block with no argument is given' do
        semantic_form_for(@new_post) do |builder|
          proc {
            builder.inputs(:for => [:author, @bob]) do
              #
            end
          }.should raise_error(ArgumentError, 'You gave :for option with a block to inputs method, ' <<
                                              'but the block does not accept any argument.')
        end
      end

      it 'should pass options down to semantic_fields_for' do
        @bob.stub!(:column_for_attribute).and_return(mock('column', :type => :string, :limit => 255))

        semantic_form_for(@new_post) do |builder|
          builder.inputs :for => [:author, @bob], :for_options => { :index => 10 } do |bob_builder|
            concat(bob_builder.input(:login))
          end
        end

        output_buffer.should have_tag('form fieldset ol li #post_author_attributes_10_login')
      end

      it 'should not add builder as a fieldset attribute tag' do
        semantic_form_for(@new_post) do |builder|
          builder.inputs :for => [:author, @bob], :for_options => { :index => 10 } do |bob_builder|
            concat('input')
          end
        end

        output_buffer.should_not have_tag('fieldset[@builder="Formtastic::SemanticFormHelper"]')
      end

      it 'should send parent_builder as an option to allow child index interpolation' do
        semantic_form_for(@new_post) do |builder|
          builder.instance_variable_set('@nested_child_index', 0)
          builder.inputs :for => [:author, @bob], :name => 'Author #%i' do |bob_builder|
            concat('input')
          end
        end

        output_buffer.should have_tag('fieldset legend', 'Author #1')
      end

      it 'should also provide child index interpolation when nested child index is a hash' do
        semantic_form_for(@new_post) do |builder|
          builder.instance_variable_set('@nested_child_index', :author => 10)
          builder.inputs :for => [:author, @bob], :name => 'Author #%i' do |bob_builder|
            concat('input')
          end
        end

        output_buffer.should have_tag('fieldset legend', 'Author #11')
      end
    end

    describe 'when a :name or :title option is provided' do
      describe 'and is a string' do
        before do
          @legend_text = "Advanced options"
          @legend_text_using_name = "Advanced options 2"
          @legend_text_using_title = "Advanced options 3"
          @nested_forms_legend_text = "This is a nested form title"
          semantic_form_for(@new_post) do |builder|
            builder.inputs @legend_text do
            end
            builder.inputs :name => @legend_text_using_name do
            end
            builder.inputs :title => @legend_text_using_title do
            end
            builder.inputs @nested_forms_legend_text, :for => :authors do |nf|
            end
          end
        end

        it 'should render a fieldset with a legend inside the form' do
          output_buffer.should have_tag("form fieldset legend", /^#{@legend_text}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@legend_text_using_name}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@legend_text_using_title}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@nested_forms_legend_text}$/)
        end
      end
      
      describe 'and is a symbol' do
        before do
          @localized_legend_text = "Localized advanced options"
          @localized_legend_text_using_name = "Localized advanced options 2"
          @localized_legend_text_using_title = "Localized advanced options 3"
          @localized_nested_forms_legend_text = "This is a localized nested form title"
          ::I18n.backend.store_translations :en, :formtastic => {
              :titles => {
                  :post => {
                      :advanced_options => @localized_legend_text,
                      :advanced_options_using_name => @localized_legend_text_using_name,
                      :advanced_options_using_title => @localized_legend_text_using_title,
                      :nested_forms_title => @localized_nested_forms_legend_text
                    }
                }
            }
          semantic_form_for(@new_post) do |builder|
            builder.inputs :advanced_options do
            end
            builder.inputs :name => :advanced_options_using_name do
            end
            builder.inputs :title => :advanced_options_using_title do
            end
            builder.inputs :nested_forms_title, :for => :authors do |nf|
            end
          end
        end

        it 'should render a fieldset with a localized legend inside the form' do
          output_buffer.should have_tag("form fieldset legend", /^#{@localized_legend_text}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@localized_legend_text_using_name}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@localized_legend_text_using_title}$/)
          output_buffer.should have_tag("form fieldset legend", /^#{@localized_nested_forms_legend_text}$/)
        end
      end
    end

    describe 'when other options are provided' do
      before do
        @id_option = 'advanced'
        @class_option = 'wide'

        semantic_form_for(@new_post) do |builder|
          builder.inputs :id => @id_option, :class => @class_option do
          end
        end
      end

      it 'should pass the options into the fieldset tag as attributes' do
        output_buffer.should have_tag("form fieldset##{@id_option}")
        output_buffer.should have_tag("form fieldset.#{@class_option}")
      end
    end

  end

  describe 'without a block' do

    before do
      ::Post.stub!(:reflections).and_return({:author => mock('reflection', :options => {}, :macro => :belongs_to),
                                           :comments => mock('reflection', :options => {}, :macro => :has_many) })
      ::Author.stub!(:find).and_return([@fred, @bob])

      @new_post.stub!(:title)
      @new_post.stub!(:body)
      @new_post.stub!(:author_id)

      @new_post.stub!(:column_for_attribute).with(:title).and_return(mock('column', :type => :string, :limit => 255))
      @new_post.stub!(:column_for_attribute).with(:body).and_return(mock('column', :type => :text))
      @new_post.stub!(:column_for_attribute).with(:created_at).and_return(mock('column', :type => :datetime))
      @new_post.stub!(:column_for_attribute).with(:author).and_return(nil)
    end

    describe 'with no args' do
      before do
        semantic_form_for(@new_post) do |builder|
          concat(builder.inputs)
        end
      end

      it 'should render a form' do
        output_buffer.should have_tag('form')
      end

      it 'should render a fieldset inside the form' do
        output_buffer.should have_tag('form > fieldset.inputs')
      end

      it 'should not render a legend in the fieldset' do
        output_buffer.should_not have_tag('form > fieldset.inputs > legend')
      end

      it 'should render an ol in the fieldset' do
        output_buffer.should have_tag('form > fieldset.inputs > ol')
      end

      it 'should render a list item in the ol for each column and reflection' do
        # Remove the :has_many macro and :created_at column
        count = ::Post.content_columns.size + ::Post.reflections.size - 2
        output_buffer.should have_tag('form > fieldset.inputs > ol > li', :count => count)
      end

      it 'should render a string list item for title' do
        output_buffer.should have_tag('form > fieldset.inputs > ol > li.string')
      end

      it 'should render a text list item for body' do
        output_buffer.should have_tag('form > fieldset.inputs > ol > li.text')
      end

      it 'should render a select list item for author_id' do
        output_buffer.should have_tag('form > fieldset.inputs > ol > li.select', :count => 1)
      end

      it 'should not render timestamps inputs by default' do
        output_buffer.should_not have_tag('form > fieldset.inputs > ol > li.datetime')
      end
    end

    describe 'with column names as args' do
      describe 'and an object is given' do
        it 'should render a form with a fieldset containing two list items' do
          semantic_form_for(@new_post) do |builder|
            concat(builder.inputs(:title, :body))
          end

          output_buffer.should have_tag('form > fieldset.inputs > ol > li', :count => 2)
          output_buffer.should have_tag('form > fieldset.inputs > ol > li.string')
          output_buffer.should have_tag('form > fieldset.inputs > ol > li.text')
        end
      end

      describe 'and no object is given' do
        it 'should render a form with a fieldset containing two list items' do
          semantic_form_for(:project, :url => 'http://test.host') do |builder|
            concat(builder.inputs(:title, :body))
          end

          output_buffer.should have_tag('form > fieldset.inputs > ol > li.string', :count => 2)
        end
      end
    end

    describe 'when a :for option is provided' do
      describe 'and an object is given' do
        it 'should render nested inputs' do
          @bob.stub!(:column_for_attribute).and_return(mock('column', :type => :string, :limit => 255))

          semantic_form_for(@new_post) do |builder|
            concat(builder.inputs(:login, :for => @bob))
          end

          output_buffer.should have_tag("form fieldset.inputs #post_author_login")
          output_buffer.should_not have_tag("form fieldset.inputs #author_login")
        end
      end

      describe 'and no object is given' do
        it 'should render nested inputs' do
          semantic_form_for(:project, :url => 'http://test.host/') do |builder|
            concat(builder.inputs(:login, :for => @bob))
          end

          output_buffer.should have_tag("form fieldset.inputs #project_author_login")
          output_buffer.should_not have_tag("form fieldset.inputs #project_login")
        end
      end
    end

    describe 'with column names and an options hash as args' do
      before do
        semantic_form_for(@new_post) do |builder|
          @legend_text_using_option = "Legendary Legend Text"
          @legend_text_using_arg = "Legendary Legend Text 2"
          concat(builder.inputs(:title, :body, :name => @legend_text_using_option, :id => "my-id"))
          concat(builder.inputs(@legend_text_using_arg, :title, :body, :id => "my-id-2"))
        end
      end

      it 'should render a form with a fieldset containing two list items' do
        output_buffer.should have_tag('form > fieldset.inputs > ol > li', :count => 4)
      end

      it 'should pass the options down to the fieldset' do
        output_buffer.should have_tag('form > fieldset#my-id.inputs')
      end

      it 'should use the special :name option as a text for the legend tag' do
        output_buffer.should have_tag('form > fieldset#my-id.inputs > legend', /^#{@legend_text_using_option}$/)
        output_buffer.should have_tag('form > fieldset#my-id-2.inputs > legend', /^#{@legend_text_using_arg}$/)
      end
    end

  end
end