require "test_helper" require "database/setup" class ActiveStorage::VariantTest < ActiveSupport::TestCase setup do @blob = create_image_blob filename: "racecar.jpg" end test "resized variation" do variant = @blob.variant(resize: "100x100").processed assert_match /racecar.jpg/, variant.service_url image = read_image_variant(variant) assert_equal 100, image.width assert_equal 67, image.height end test "resized and monochrome variation" do variant = @blob.variant(resize: "100x100", monochrome: true).processed assert_match /racecar.jpg/, variant.service_url image = read_image_variant(variant) assert_equal 100, image.width assert_equal 67, image.height assert_match /Gray/, image.colorspace end end