Work in progress with form.input.

lib/simple_form/form_builder.rb

@@ -1,4 +1,36 @@
 module SimpleForm
   class FormBuilder < ActionView::Helpers::FormBuilder
+
+    def input(attribute, options={})
+      input_type = (options.delete(:as) || default_input_type(attribute)).to_sym
+      html_options = options.delete(:html) || {}
+      html_options[:class] = "#{html_options[:class]} #{input_type}".strip
+      case input_type
+        when :boolean then check_box(attribute, html_options)
+        when :radio   then
+          ['yes', 'no'].inject('') do |result, value|
+            result << radio_button(attribute, value, html_options)
+          end
+        when :text   then text_area(attribute, html_options)
+        when :datetime, :timestamp then
+          datetime_select(attribute, options, html_options)
+        when :date then
+          date_select(attribute, options, html_options)
+        when :time then
+          time_select(attribute, options, html_options)
+        else text_field(attribute, html_options)
+      end
+    end
+
+    private
+
+      def default_input_type(attribute)
+        input_type = @object.try(:column_for_attribute, attribute)
+        case input_type
+          when nil then :string
+          when :timestamp then :datetime
+          else input_type
+        end
+      end
   end
 end

test/form_builder_test.rb

@@ -0,0 +1,143 @@
+require 'test_helper'
+require 'ostruct'
+
+class User < OpenStruct
+
+  def id
+    1
+  end
+
+  def new_record?
+    false
+  end
+
+  def column_for_attribute(attribute)
+    case attribute.to_sym
+      when :name, :status then :string
+      when :description   then :text
+      when :age           then :integer
+      when :credit_limit  then :decimal
+      when :active        then :boolean
+      when :born_at       then :date
+      when :delivery_time then :time
+      when :created_at    then :datetime
+      when :updated_at    then :timestamp
+    end
+  end
+end
+
+class FormHelperTest < ActionView::TestCase
+  tests SimpleForm::FormBuilder
+
+  def user_path(*args)
+    '/users'
+  end
+
+  def setup
+    @user = User.new(
+      :name => 'New in Simple Form!',
+      :description => 'Hello!',
+      :created_at => Time.now
+    )
+  end
+
+  test 'input should generate a default text field' do
+    simple_form_for @user do |f|
+      concat f.input :name
+      concat f.input :description
+    end
+    assert_select 'form input[name=\'user[name]\'][id=user_name][value=New in Simple Form!]'
+    assert_select 'form textarea[name=\'user[description]\'][id=user_description]', 'Hello!'
+  end
+
+  test 'input should generate a default class for each input' do
+    simple_form_for @user do |f|
+      concat f.input :name
+    end
+    assert_select 'form input#user_name.string'
+  end
+
+  test 'input should allow passing options to text field' do
+    simple_form_for @user do |f|
+      concat f.input :name, :html => { :class => 'my_input', :id => 'my_input' }
+    end
+    assert_select 'form input#my_input.my_input.string'
+  end
+
+  test 'input should generate a text area by default for text attributes' do
+    simple_form_for @user do |f|
+      concat f.input :description
+    end
+    assert_select 'form textarea.text#user_description'
+  end
+
+  test 'input should generate a text field by default for integer attributes' do
+    simple_form_for @user do |f|
+      concat f.input :age
+    end
+    assert_select "form input.integer#user_age"
+  end
+
+  test 'input should generate a text field by default for decimal attributes' do
+    simple_form_for @user do |f|
+      concat f.input :credit_limit
+    end
+    assert_select "form input.decimal#user_credit_limit"
+  end
+
+  test 'input should generate a checkbox by default for boolean attributes' do
+    simple_form_for @user do |f|
+      concat f.input :active
+    end
+    assert_select "form input[type=checkbox].boolean#user_active"
+  end
+
+  test 'input should generate a datetime select by default for datetime or timestamp attributes' do
+    simple_form_for @user do |f|
+      concat f.input :created_at
+      concat f.input :updated_at
+    end
+    1.upto(5) do |i|
+      assert_select "form select.datetime#user_created_at_#{i}i"
+      assert_select "form select.datetime#user_updated_at_#{i}i"
+    end
+  end
+
+  test 'input should generate a date select by default for date attributes' do
+    simple_form_for @user do |f|
+      concat f.input :born_at
+    end
+    assert_select "form select.date#user_born_at_1i"
+    assert_select "form select.date#user_born_at_2i"
+    assert_select "form select.date#user_born_at_3i"
+    assert_no_tag "select", :attributes => { :id => "user_born_at_4i" }
+  end
+
+  test 'input should generate a time select by default for time attributes' do
+    simple_form_for @user do |f|
+      concat f.input :delivery_time
+    end
+    assert_select "form input[type=hidden]#user_delivery_time_1i"
+    assert_select "form input[type=hidden]#user_delivery_time_2i"
+    assert_select "form input[type=hidden]#user_delivery_time_3i"
+    assert_select "form select.time#user_delivery_time_4i"
+    assert_select "form select.time#user_delivery_time_5i"
+  end
+
+  test 'input should allow overwriting default type' do
+    simple_form_for @user do |f|
+      concat f.input :name, :as => :text
+      concat f.input :born_at, :as => :string
+    end
+    assert_select 'form textarea.text#user_name'
+    assert_select 'form input.string#user_born_at'
+  end
+
+  test 'it should allow boolean fields as radio buttons' do
+    simple_form_for @user do |f|
+      concat f.input :active, :as => :radio
+    end
+    assert_select 'form input[type=radio][value=yes].radio#user_active_yes'
+    assert_select 'form input[type=radio][value=no].radio#user_active_no'
+  end
+end

test/form_helper_test.rb

@@ -0,0 +1,17 @@
+require 'test_helper'
+
+class FormHelperTest < ActionView::TestCase
+  tests SimpleForm::FormHelper
+
+  test 'yields an instance of FormBuilder' do
+    simple_form_for :user do |f|
+      assert f.instance_of?(SimpleForm::FormBuilder)
+    end
+  end
+
+  test 'pass options to simple form' do
+    simple_form_for :user, :url => '/account', :html => { :id => 'my_form' } do |f| end
+    assert_select 'form#my_form'
+    assert_select 'form[action=/account]'
+  end
+end

test/simple_form_test.rb

@@ -1,48 +0,0 @@
-require 'test_helper'
-
-class MockController
-
-  def url_for(*args)
-    "http://example.com"
-  end
-end
-
-class MockResponse
-
-  def initialize(test_case)
-    @test_case = test_case
-  end
-
-  def content_type
-    'text/html'
-  end
-
-  def body
-    @test_case.send :output_buffer
-  end
-end
-
-class SimpleFormTest < ActionView::TestCase
-  tests SimpleForm::FormHelper
-
-  def protect_against_forgery?
-    false
-  end
-
-  def setup
-    @controller = MockController.new
-    @response = MockResponse.new(self)
-  end
-
-  test 'yields an instance of FormBuilder' do
-    simple_form_for :product do |f|
-      assert f.instance_of?(SimpleForm::FormBuilder)
-    end
-  end
-
-  test 'pass options to simple form' do
-    simple_form_for :product, :url => '/products', :html => { :id => 'my_form' } do |f| end
-    assert_select 'form#my_form'
-    assert_select 'form[action=/products]'
-  end
-end

test/test_helper.rb

@@ -1,4 +1,3 @@
-#ENV["RAILS_ENV"] = "test"
 require 'rubygems'
 require 'test/unit'
 
@@ -7,18 +6,41 @@ require 'action_view/test_case'
 
 require File.join(File.dirname(__FILE__), '..', 'lib', 'simple_form')
 
-#Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f}
+class MockController
 
-#ActionController::Base.logger = nil
-#ActionController::Routing::Routes.reload rescue nil
-#ActionController::Base.session_store = nil
+  def url_for(*args)
+    "http://example.com"
+  end
+end
 
-#FIXTURE_LOAD_PATH = File.join(File.dirname(__FILE__), 'fixtures')
-#ActionView::Base.cache_template_loading = true
-#ActionController::Base.view_paths = FIXTURE_LOAD_PATH
+class MockResponse
 
+  def initialize(test_case)
+    @test_case = test_case
+  end
 
-#class ActiveSupport::TestCase
-#  self.use_transactional_fixtures = true
-#  self.use_instantiated_fixtures  = false
-#end
+  def content_type
+    'text/html'
+  end
+
+  def body
+    @test_case.send :output_buffer
+  end
+end
+
+class ActionView::TestCase
+  setup :set_controller
+  setup :set_response
+
+  def set_controller
+    @controller = MockController.new
+  end
+
+  def set_response
+    @response = MockResponse.new(self)
+  end
+
+  def protect_against_forgery?
+    false
+  end
+end