1 files changed, 27 insertions, 0 deletions
diff --git a/activestorage/test/models/variant_test.rb b/activestorage/test/models/variant_test.rb
new file mode 100644
index 0000000000..04ebaccb6a
--- /dev/null
+++ b/activestorage/test/models/variant_test.rb
@@ -0,0 +1,27 @@
+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