chore: init commit

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

worker-toolkit-stocks-in-the-future/repo/test/models/grade_test.rb

@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class GradeTest < ActiveSupport::TestCase
+  test "factory" do
+    assert build(:grade).validate!
+  end
+
+  test "has many classroom_grades" do
+    grade = create(:grade)
+    cg1 = create(:classroom_grade, grade: grade)
+    cg2 = create(:classroom_grade, grade: grade)
+
+    assert_equal 2, grade.classroom_grades.count
+    assert_includes grade.classroom_grades, cg1
+    assert_includes grade.classroom_grades, cg2
+  end
+
+  test "has many classrooms through classroom_grades" do
+    grade = create(:grade)
+    classroom1 = create(:classroom)
+    classroom2 = create(:classroom)
+    create(:classroom_grade, grade: grade, classroom: classroom1)
+    create(:classroom_grade, grade: grade, classroom: classroom2)
+
+    assert_equal 2, grade.classrooms.count
+    assert_includes grade.classrooms, classroom1
+    assert_includes grade.classrooms, classroom2
+  end
+
+  test "can destroy a grade with no classrooms" do
+    grade = create(:grade)
+
+    assert_difference "Grade.count", -1 do
+      grade.destroy
+    end
+  end
+
+  test "cannot destroy a grade that is used by classrooms" do
+    grade = create(:grade)
+    create(:classroom_grade, grade: grade)
+
+    assert_not grade.destroy
+    assert grade.errors.any?
+    assert_includes grade.errors[:base], "Cannot delete record because dependent classroom grades exist"
+  end
+
+  test "name must be present" do
+    grade = build(:grade, name: nil)
+    assert_not grade.valid?
+    assert_includes grade.errors[:name], "can't be blank"
+  end
+
+  test "level must be present" do
+    grade = build(:grade, level: nil)
+    assert_not grade.valid?
+    assert_includes grade.errors[:level], "can't be blank"
+  end
+
+  test "name is unique and case-insensitively" do
+    create(:grade, name: "5th Grade", level: 6)
+
+    duplicate = build(:grade, name: "5TH grade", level: 6)
+    assert_not duplicate.valid?
+    assert_includes duplicate.errors[:name], "has already been taken"
+  end
+
+  test "level is unique" do
+    create(:grade, name: "5th Grade", level: 6)
+
+    duplicate = build(:grade, name: "5th Grade", level: 6)
+    assert_not duplicate.valid?
+    assert_includes duplicate.errors[:level], "has already been taken"
+  end
+end