Fix wrong value for lteq_datetime predicate

.gitignore

@@ -1,4 +1,6 @@
 Gemfile.lock
 coverage/
-spec/rails/rails-5.2.1/
+spec/rails/rails-*
 pkg
+.bundle
+vendor/bundl

Gemfile

@@ -10,6 +10,7 @@ group :test do
   gem 'rails', "~> #{ENV['RAILS'] || default_rails_version}"
   gem 'activeadmin', "~> #{ENV['AA'] || default_activeadmin_version}"
 
+  gem 'sprockets-rails', '3.0.4'
   gem 'rspec-rails'
   gem 'coveralls', require: false # Test coverage website. Go to https://coveralls.io
   gem 'sass-rails'

config/initializers/active_admin_datetimepicker.rb

@@ -1,3 +1,11 @@
 ActiveAdmin.setup do |config|
   config.register_stylesheet 'jquery.xdan.datetimepicker.css'
 end
+
+Ransack.configure do |config|
+  config.add_predicate 'gteq_datetime_picker',
+    arel_predicate: 'gteq'
+
+  config.add_predicate 'lteq_datetime_picker',
+    arel_predicate: 'lt'
+end

lib/active_admin_datetimepicker/inputs/filters/date_time_range_input.rb

@@ -11,6 +11,14 @@ def input_html_options(input_name = gt_input_name, placeholder = gt_input_placeh
           end
         end
 
+        def gt_input_name
+          column && column.type == :date ? super : "#{method}_gteq_datetime_picker"
+        end
+
+        def lt_input_name
+          column && column.type == :date ? super : "#{method}_lteq_datetime_picker"
+        end
+
       end
     end
   end

spec/edit_form_spec.rb

@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe 'authors index', type: :feature, js: true do
+  before do
+    add_author_resource
+  end
+
+  context 'edit form' do
+    before do
+      visit '/admin/authors/new'
+    end
+
+    before do
+      page.find('#author_birthday').click
+
+      page.find('.xdsoft_datetimepicker', visible: true)
+          .find('.xdsoft_calendar td.xdsoft_date[data-date="1"]').click
+      page.find('.xdsoft_datetimepicker', visible: true)
+          .find('.xdsoft_timepicker.active .xdsoft_time.xdsoft_current').click
+    end
+
+    it 'can set birthday'  do
+      date_birthday = Date.today.beginning_of_month.strftime("%Y-%m-%d")
+      expect(page.find('#author_birthday').value).to start_with(date_birthday)
+      expect(page).to have_css('#author_birthday[placeholder="Formtastic placeholder"]')
+    end
+  end
+end

spec/filter_form_spec.rb

@@ -0,0 +1,89 @@
+require 'spec_helper'
+
+describe 'authors index', type: :feature, js: true do
+  before do
+    add_author_resource
+  end
+
+  context 'index filters' do
+    before do
+      visit '/admin/authors'
+    end
+
+    context 'filter by Date column' do
+      before do
+        page.find('input#q_birthday_gteq').click
+
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_calendar td.xdsoft_date[data-date="1"]').click
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_timepicker.active .xdsoft_time.xdsoft_current').click
+
+        page.find('input#q_birthday_lteq').click
+
+        page.find('.xdsoft_datetimepicker', visible: true)
+          .find('.xdsoft_calendar td.xdsoft_date[data-date="20"]').click
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_timepicker.active .xdsoft_time.xdsoft_current').click
+      end
+
+      it 'can set date from/to' do
+        date_from = Date.today.beginning_of_month.strftime("%Y-%m-%d")
+        date_to = (Date.today.beginning_of_month + 19.days).strftime("%Y-%m-%d")
+
+        expect(page.find('input#q_birthday_gteq').value).to start_with(date_from)
+        expect(page.find('input#q_birthday_lteq').value).to start_with(date_to)
+
+        expect(page).to have_css('input#q_birthday_gteq[placeholder="From"]')
+        expect(page).to have_css('input#q_birthday_lteq[placeholder="To"]')
+
+        page.find('#sidebar input[type=submit]').click
+        page.has_css?('h4', text: 'Current filters:')
+
+        # birthday(Date type) is a Date column, should not contain H:M
+        expect(page.find('#q_birthday_gteq').value).to match(/\A\d{4}-\d{2}-\d{2}\z/)
+      end
+    end
+
+    context 'filter by DateTime/Timestamp column' do
+      before do
+        Author.create!(name: "Ren",
+                       last_name: "from-20-day-of-month",
+                       created_at: (Time.now.change(day: 20) - 1.hour).to_s(:db))
+
+        Author.create!(name: "Rey",
+                       last_name: "from-the-future",
+                       created_at: (Time.now.change(day: 20) + 2.hours).to_s(:db))
+
+        # chose 01 and 20 day of the current month
+
+        page.find('input#q_created_at_gteq_datetime_picker').click
+
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_calendar td.xdsoft_date[data-date="1"]').click
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_timepicker.active .xdsoft_time.xdsoft_current').click
+
+        page.find('input#q_created_at_lteq_datetime_picker').click
+
+        page.find('.xdsoft_datetimepicker', visible: true)
+          .find('.xdsoft_calendar td.xdsoft_date[data-date="20"]').click
+        page.find('.xdsoft_datetimepicker', visible: true)
+            .find('.xdsoft_timepicker.active .xdsoft_time.xdsoft_current').click
+
+        page.find('#sidebar input[type=submit]').click
+        page.has_css?('h4', text: 'Current filters:')
+      end
+
+      it 'q_created_at_lteq_datetime send correct value to SQL' do
+        expect(page).to have_text('from-20-day-of-month')
+        expect(page).not_to have_text('from-the-future')
+      end
+
+      it 'submit filter form' do
+        # created_at(Timestamp type) should contain Hours:Minutes, as selected before submit
+        expect(page.find('#q_created_at_gteq_datetime_picker').value).to match(/\A\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}\z/)
+      end
+    end
+  end
+end