1 files changed, 16 insertions, 0 deletions
diff --git a/test/variation_test.rb b/test/variation_test.rb
new file mode 100644
index 0000000000..3b05095292
--- /dev/null
+++ b/test/variation_test.rb
@@ -0,0 +1,16 @@
+require "test_helper"
+require "database/setup"
+require "active_storage/variant"
+
+class ActiveStorage::VariationTest < ActiveSupport::TestCase
+  test "square variation" do
+    blob = ActiveStorage::Blob.create_after_upload! \
+      io: File.open(File.expand_path("../fixtures/files/racecar.jpg", __FILE__)), filename: "racecar.jpg", content_type: "image/jpeg"
+
+    variation_key = ActiveStorage::Variant.encode_key(resize: "500x500")
+
+    variant = ActiveStorage::Variant.lookup(blob_key: blob.key, variation_key: variation_key)
+
+    assert_match /racecar.jpg/, variant.url
+  end
+end