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: / var / canvas / spec / services / module_visibility /
Filename : module_visibility_service_spec.rb
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# frozen_string_literal: true

#
# Copyright (C) 2024 - present 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_relative "../../spec_helper"

describe "ModuleVisibility" do
  before :once do
    course_factory(active_all: true)
    @section1 = @course.default_section
    @section2 = @course.course_sections.create!(name: "Section 2")
    @module1 = @course.context_modules.create!(name: "Module 1")
    @module2 = @course.context_modules.create!(name: "Module 2")
    @student1 = student_in_course(active_all: true, section: @section1).user
    @student2 = student_in_course(active_all: true, section: @section2).user
  end

  def module_ids_visible_to_user(user)
    ModuleVisibility::ModuleVisibilityService.modules_visible_to_student(course_id: @course.id, user_id: user.id).map(&:context_module_id)
  end

  context "module visibility" do
    it "includes all modules by default" do
      expect(module_ids_visible_to_user(@student1)).to contain_exactly(@module1.id, @module2.id)
    end

    it "does not include unpublished modules" do
      @module1.workflow_state = "unpublished"
      @module1.save!
      expect(module_ids_visible_to_user(@student1)).to contain_exactly(@module2.id)
    end

    it "does not include modules with a section override unless the user is in the section" do
      @module1.assignment_overrides.create!(set: @section2)
      expect(module_ids_visible_to_user(@student1)).to contain_exactly(@module2.id)
      expect(module_ids_visible_to_user(@student2)).to contain_exactly(@module1.id, @module2.id)
    end

    it "does not include modules with an adhoc override unless the user is in the set" do
      override = @module1.assignment_overrides.create!
      override.assignment_override_students.create!(user: @student1)
      expect(module_ids_visible_to_user(@student1)).to contain_exactly(@module1.id, @module2.id)
      expect(module_ids_visible_to_user(@student2)).to contain_exactly(@module2.id)
    end

    it "ignores deleted overrides" do
      @module1.assignment_overrides.create!(set: @section2, workflow_state: "deleted")
      expect(module_ids_visible_to_user(@student1)).to contain_exactly(@module1.id, @module2.id)
      expect(module_ids_visible_to_user(@student2)).to contain_exactly(@module1.id, @module2.id)
    end
  end
end