canvas-lms/spec/models/quiz_statistics_spec.rb

116 lines
3.6 KiB
Ruby

#
# Copyright (C) 2011 - 2012 Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
describe QuizStatistics do
before(:each) do
student_in_course(:active_all => true)
@quiz = @course.quizzes.create!
@quiz.quiz_questions.create!(:question_data => { :name => "test 1" })
@quiz.generate_quiz_data
@quiz.published_at = Time.now
@quiz.save!
end
def csv(opts = {}, quiz = @quiz)
stats = quiz.statistics_csv('student_analysis', opts)
run_jobs
stats.csv_attachment(true).open.read
end
it "should use the last completed submission, even if the current submission is in progress" do
# one complete submission
qs = @quiz.generate_submission(@student)
qs.grade_submission
# and one in progress
qs = @quiz.generate_submission(@student)
stats = @quiz.statistics(false)
stats[:multiple_attempts_exist].should be_false
end
it 'should include previous versions even if the current version is incomplete' do
# one complete submission
qs = @quiz.generate_submission(@student)
qs.grade_submission
# and one in progress
@quiz.generate_submission(@student)
stats = CSV.parse(csv(:include_all_versions => true))
# format for row is row_name, '', data1, data2, ...
stats.first.length.should == 3
end
it 'should not include previous versions by default' do
# two complete submissions
qs = @quiz.generate_submission(@student)
qs.grade_submission
qs = @quiz.generate_submission(@student)
qs.grade_submission
stats = CSV.parse(csv)
# format for row is row_name, '', data1, data2, ...
stats.first.length.should == 3
end
it 'generates a new quiz_statistics if the quiz changed' do
QuizStatistics.any_instance.expects(:generate_csv).twice
@quiz.statistics_csv('student_analysis') # once
run_jobs
@quiz.one_question_at_a_time = true
@quiz.published_at = Time.now
@quiz.save!
@quiz.statistics_csv('student_analysis') # twice
run_jobs
@quiz.update_attribute(:one_question_at_a_time, false)
@quiz.statistics_csv('student_analysis') # unpublished changes don't matter
run_jobs
end
it 'generates a new quiz_statistics if new submissions are in' do
QuizStatistics.any_instance.expects(:generate_csv).twice
@quiz.statistics_csv('student_analysis')
run_jobs
qs = @quiz.quiz_submissions.build
qs.save!
qs.mark_completed
@quiz.statistics_csv('student_analysis')
run_jobs
end
it 'uses the previously generated quiz_statistics if possible' do
QuizStatistics.any_instance.expects(:generate_csv).once
@quiz.statistics_csv('student_analysis')
run_jobs
@quiz.statistics_csv('student_analysis')
run_jobs
end
it 'generates a new quiz_statistics if none exist' do
QuizStatistics.any_instance.expects(:generate_csv).once
@quiz.statistics_csv('student_analysis')
run_jobs
@quiz.statistics_csv('student_analysis')
run_jobs
end
end