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rails--rails/test/variant_test.rb
David Heinemeier Hansson e9cf92cc39 Test actual transformations
2017-07-21 16:44:10 -05:00

30 lines
906 B
Ruby

require "test_helper"
require "database/setup"
require "active_storage/variant"
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.url
assert_same_image "racecar-100x100.jpg", variant
end
test "resized and monochrome variation" do
variant = @blob.variant(resize: "100x100", monochrome: true).processed
assert_match /racecar.jpg/, variant.url
assert_same_image "racecar-100x100-monochrome.jpg", variant
end
private
def assert_same_image(fixture_filename, variant)
assert_equal \
File.binread(File.expand_path("../fixtures/files/#{fixture_filename}", __FILE__)),
File.binread(variant.service.send(:path_for, variant.key))
end
end