Test actual transformation via controller too

3 files changed, 7 insertions, 7 deletions

diff --git a/test/controllers/variants_controller.rb b/test/controllers/variants_controller.rb
index 22f5ec1454..6753584d4d 100644
--- a/test/controllers/variants_controller.rb
+++ b/test/controllers/variants_controller.rb
@@ -19,5 +19,6 @@ class ActiveStorage::VariantsControllerTest < ActionController::TestCase
       variation_key: ActiveStorage::Variation.encode(resize: "100x100") }
 
     assert_redirected_to /racecar.jpg\?disposition=inline/
+    assert_same_image "racecar-100x100.jpg", @blob.variant(resize: "100x100")
   end
 end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 69ba76b9c4..20b22049b3 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -39,6 +39,12 @@ class ActiveSupport::TestCase
         io: File.open(File.expand_path("../fixtures/files/#{filename}", __FILE__)),
         filename: filename, content_type: content_type
     end
+
+    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
 
 require "action_controller"
diff --git a/test/variant_test.rb b/test/variant_test.rb
index e41842a80c..5294b87135 100644
--- a/test/variant_test.rb
+++ b/test/variant_test.rb
@@ -20,11 +20,4 @@ class ActiveStorage::VariantTest < ActiveSupport::TestCase
     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