1 files changed, 32 insertions, 0 deletions
diff --git a/activestorage/test/analyzer/image_analyzer_test.rb b/activestorage/test/analyzer/image_analyzer_test.rb
new file mode 100644
index 0000000000..55bb5e7280
--- /dev/null
+++ b/activestorage/test/analyzer/image_analyzer_test.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "database/setup"
+
+require "active_storage/analyzer/image_analyzer"
+
+class ActiveStorage::Analyzer::ImageAnalyzerTest < ActiveSupport::TestCase
+  test "analyzing a JPEG image" do
+    blob = create_file_blob(filename: "racecar.jpg", content_type: "image/jpeg")
+    metadata = extract_metadata_from(blob)
+
+    assert_equal 4104, metadata[:width]
+    assert_equal 2736, metadata[:height]
+  end
+
+  test "analyzing a rotated JPEG image" do
+    blob = create_file_blob(filename: "racecar_rotated.jpg", content_type: "image/jpeg")
+    metadata = extract_metadata_from(blob)
+
+    assert_equal 2736, metadata[:width]
+    assert_equal 4104, metadata[:height]
+  end
+
+  test "analyzing an SVG image without an XML declaration" do
+    blob = create_file_blob(filename: "icon.svg", content_type: "image/svg+xml")
+    metadata = extract_metadata_from(blob)
+
+    assert_equal 792, metadata[:width]
+    assert_equal 584, metadata[:height]
+  end
+end