chore: init commit

in worker.../repo/GITFOLDER.zip is the .git folder.

worker-toolkit-stocks-in-the-future/repo/test/facades/classroom_facade_test.rb

@@ -0,0 +1,112 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class ClassroomFacadeTest < ActiveSupport::TestCase
+  test "students returns students enrolled via enrollments" do
+    classroom = create(:classroom)
+    student = create(:student)
+    create(:classroom_enrollment, student: student, classroom: classroom)
+
+    facade = ClassroomFacade.new(classroom)
+
+    assert_includes facade.students, student
+  end
+
+  test "students returns students assigned via legacy classroom_id" do
+    classroom = create(:classroom)
+    student = create(:student, classroom: classroom)
+
+    facade = ClassroomFacade.new(classroom)
+
+    assert_includes facade.students, student
+  end
+
+  test "students returns both enrollment and legacy students without duplicates" do
+    classroom = create(:classroom)
+
+    # Student with enrollment
+    student_with_enrollment = create(:student)
+    create(:classroom_enrollment, student: student_with_enrollment, classroom: classroom)
+
+    # Student with legacy classroom_id
+    student_with_legacy = create(:student, classroom: classroom)
+
+    facade = ClassroomFacade.new(classroom)
+    students = facade.students
+
+    assert_equal 2, students.count
+    assert_includes students, student_with_enrollment
+    assert_includes students, student_with_legacy
+  end
+
+  test "students does not return duplicate if student has both enrollment and classroom_id" do
+    classroom = create(:classroom)
+    student = create(:student, classroom: classroom)
+    create(:classroom_enrollment, student: student, classroom: classroom)
+
+    facade = ClassroomFacade.new(classroom)
+    students = facade.students
+
+    assert_equal 1, students.count
+    assert_includes students, student
+  end
+
+  test "students only returns current enrollments, not historical" do
+    classroom = create(:classroom)
+    current_student = create(:student, :without_enrollment)
+    historical_student = create(:student, :without_enrollment)
+
+    create(
+      :classroom_enrollment,
+      student: current_student,
+      classroom: classroom,
+      unenrolled_at: nil
+    )
+    create(
+      :classroom_enrollment,
+      student: historical_student,
+      classroom: classroom,
+      enrolled_at: 2.weeks.ago,
+      unenrolled_at: 1.week.ago
+    )
+
+    facade = ClassroomFacade.new(classroom)
+    students = facade.students
+
+    assert_includes students, current_student
+    assert_not_includes students, historical_student
+  end
+
+  test "students excludes discarded students" do
+    classroom = create(:classroom)
+    active_student = create(:student, classroom: classroom)
+    discarded_student = create(:student, classroom: classroom)
+    discarded_student.discard
+
+    facade = ClassroomFacade.new(classroom)
+    students = facade.students
+
+    assert_includes students, active_student
+    assert_not_includes students, discarded_student
+  end
+
+  test "students includes necessary associations for performance" do
+    classroom = create(:classroom, :with_trading)
+    student = create(:student, classroom: classroom)
+    portfolio = create(:portfolio, user: student)
+    create(:portfolio_transaction, :credit, portfolio: portfolio, amount_cents: 15_000)
+    create(:order, user: student, action: :buy)
+
+    facade = ClassroomFacade.new(classroom)
+
+    # Should not raise N+1 queries when accessing associations
+    assert_nothing_raised do
+      facade.students.each do |s|
+        s.portfolio
+        s.orders.to_a
+        s.portfolio&.portfolio_transactions&.to_a
+      end
+    end
+  end
+end