Turns on Quiz Statistics permanently

Closes CNVS-17903

Test Plan:
  - Confirm that Quiz Statistics are active on all courses

Change-Id: I08b37869a6c25405aa380d8ff7da8b6409dc9dc2
Reviewed-on: https://gerrit.instructure.com/47021
Tested-by: Jenkins
Reviewed-by: Josh Simpson <jsimpson@instructure.com>
QA-Review: Amber Taniuchi <amber@instructure.com>
Product-Review: Matt Fairbourn <mfairbourn@instructure.com>

lib/features/quiz_stats.rb

@@ -7,5 +7,6 @@ Feature.register('quiz_stats' => {
       'Enable the new quiz statistics page for a course.'
   },
   applies_to: 'Course',
-  state: 'allowed'
+  state: 'on',
+  enable_at: Date.new(2015,1,31)
 })

spec/controllers/quizzes/quizzes_controller_spec.rb

@@ -1137,7 +1137,6 @@ describe Quizzes::QuizzesController do
 
         get 'statistics', :course_id => @course.id, :quiz_id => @quiz.id, :all_versions => '1'
         expect(response).to be_success
-        expect(response.body).to match /Logged Out User/
         expect(response).to render_template('statistics')
       end
     end

spec/selenium/teacher_quizzes_spec.rb

@@ -523,7 +523,7 @@ describe "quizzes" do
 
       click_quiz_statistics_button
 
-      expect(f('#content .question_name')).to include_text("Question 1")
+      expect(f('#content .question-statistics .question-text')).to include_text("Which book(s) are required for this course?")
     end
 
     it "should display a link to quiz statistics for a MOOC" do

spec/selenium/teacher_quizzes_statistics_spec.rb

@@ -1,185 +0,0 @@
-require File.expand_path(File.dirname(__FILE__) + '/helpers/quizzes_common')
-
-describe "quiz statistics" do
-
-  include_examples "quizzes selenium tests"
-
-  describe "item analysis" do
-
-    def create_course_with_teacher_and_student
-      course
-      @course.offer!
-      @teacher = user_with_pseudonym({:unique_id => 'teacher@example.com', :password => 'asdfasdf'})
-      @course.enroll_user(@teacher, 'TeacherEnrollment').accept!
-      @student = user_with_pseudonym({:unique_id => 'otheruser@example.com', :password => 'asdfasdf'})
-      @course.enroll_user(@student, 'StudentEnrollment').accept!
-    end
-
-    def create_quiz
-      @quiz = @course.quizzes.create
-      @quiz.title = "Ganondorf"
-      @quiz.save!
-    end
-
-    def quiz_question(name, question, id)
-      answers = [
-        {:weight=>100, :answer_text=>"A", :answer_comments=>"", :id=>1490},
-        {:weight=>0, :answer_text=>"B", :answer_comments=>"", :id=>1020},
-        {:weight=>0, :answer_text=>"C", :answer_comments=>"", :id=>7051}
-      ]
-      data = { :question_name=>name, :points_possible=>1, :question_text=>question,
-        :answers=>answers, :question_type=>"multiple_choice_question"
-      }
-      @quiz.quiz_questions.create!(:question_data => data)
-    end
-
-    def preview_the_quiz
-      login_as(@teacher.primary_pseudonym.unique_id, 'asdfasdf')
-      get "/courses/#{@course.id}/quizzes/#{@quiz.id}"
-      f("#preview_quiz_button").click
-      wait_for_ajaximations
-      answer_question
-      submit_quiz
-    end
-
-    def publish_the_quiz
-      @quiz.workflow_state = "available"
-      @quiz.generate_quiz_data
-      @quiz.published_at = Time.now
-      @quiz.save!
-    end
-
-    def take_the_quiz_as_a_student
-      login_as(@student.primary_pseudonym.unique_id, 'asdfasdf')
-      get "/courses/#{@course.id}/quizzes/#{@quiz.id}"
-      expect_new_page_load { fj("a:contains('Take the Quiz')").click }
-      answer_question
-      submit_quiz
-    end
-
-    def generate_item_analysis
-      @quiz.reload
-      Quizzes::QuizStatistics::ItemAnalysis::Summary.new(@quiz)
-    end
-
-    def answer_question
-      f('.question_input').click
-    end
-
-    def submit_quiz
-      expect_new_page_load { f('#submit_quiz_button').click }
-    end
-
-    before :each do
-      create_course_with_teacher_and_student
-      create_quiz
-      quiz_question("Question 1", "How does one reach the Dark World?", 1)
-    end
-
-    it "should not include teacher previews" do
-      preview_the_quiz
-      publish_the_quiz
-      take_the_quiz_as_a_student
-      expect(generate_item_analysis.length).to eq 1
-    end
-
-  end
-
-  context "as a teacher" do
-
-    def update_quiz_submission_scores(question_score = '1')
-      @quiz_submission.update_scores({
-                                         'context_id' => @course.id,
-                                         'override_scores' => true,
-                                         'context_type' => 'Course',
-                                         'submission_version_number' => '1',
-                                         "question_score_#{@questions[0].id}" => question_score
-                                     })
-    end
-
-    def summary_rows
-      ff('#statistics_summary tr')
-    end
-
-    before (:each) do
-      quiz_with_graded_submission([{:question_data => {:name => 'question 1', :points_possible => 1, 'question_type' => 'true_false_question'}},
-                                   {:question_data => {:name => 'question 2', :points_possible => 1, 'question_type' => 'true_false_question'}}])
-      course_with_teacher_logged_in(:active_all => true, :course => @course)
-    end
-
-    describe "question graphs" do
-
-      it "should validate correct number of questions are showing up" do
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-        expect(ff('.question').count).to eq @quiz.quiz_questions.count
-      end
-
-      it "should validate number attempts on questions" do
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-        ff('.question .question_attempts').each { |attempt| expect(attempt.text).to eq '1 attempt' }
-      end
-
-      it "should validate question graph tooltip" do
-        update_quiz_submission_scores
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-
-        @quiz.quiz_questions.each_with_index do |question, index|
-          driver.execute_script("$('.tooltip_text:eq(#{index})').css('visibility', 'visible')")
-          expect(fj(".tooltip_text:eq(#{index})")).to include_text '100%'
-        end
-      end
-
-      it "should show a special message if the course is a MOOC" do
-        @course.large_roster = true
-        @course.save!
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-        expect(f("#content")).to include_text "This course is too large to display statistics. They can still be downloaded from the right hand sidebar."
-      end
-    end
-
-    describe "right side info bar with initial data" do
-
-      before (:each) do
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-      end
-
-      it "should validate average time taken for quiz" do
-        expect(summary_rows[0]).to include_text 'less than a minute'
-      end
-
-      %w(correct incorrect high_score low_score mean_score standard_deviation).each_with_index do |data_point, i|
-
-        it "should validate #{data_point} number for initial info" do
-          index = (i + 1) # + 1 to get rid of the first row
-          index == 2 ? (expect(summary_rows[index]).to include_text("2")) : (expect(summary_rows[index]).to include_text("0"))
-        end
-      end
-    end
-
-    describe 'right side info bar with altered data' do
-
-      before (:each) do
-        update_quiz_submission_scores
-        get "/courses/#{@course.id}/quizzes/#{@quiz.id}/statistics"
-        @expected_side_bar_numbers = ["0", "2", "1"]
-      end
-
-      %w(correct incorrect high_score low_score mean_score standard_deviation).each_with_index do |data_point, i|
-
-        it "should validate #{data_point} number for altered info" do
-          index = (i + 1) # + 1 to get rid of the first row
-          case index
-            when 1
-              expect(summary_rows[index]).to include_text(@expected_side_bar_numbers[0])
-            when 2
-              expect(summary_rows[index]).to include_text(@expected_side_bar_numbers[1])
-            when 3..5
-              expect(summary_rows[index]).to include_text(@expected_side_bar_numbers[2])
-            when 6
-              expect(summary_rows[index]).to include_text(@expected_side_bar_numbers[0])
-          end
-        end
-      end
-    end
-  end
-end