require 'test_helper' class SampleGroupTest < ActiveSupport::TestCase def setup @sample_group = sample_groups(:blood) end should validate_presence_of(:name) should validate_length_of(:name).is_at_most(Constants::NAME_MAX_LENGTH) should validate_presence_of(:color) should validate_length_of(:color).is_at_most(Constants::COLOR_MAX_LENGTH) should validate_presence_of(:organization) test "should validate with correct data" do assert @sample_group.valid? end test "should not validate without organization" do @sample_group.organization = nil assert_not @sample_group.valid? end end