From bb650d11b699ec9080f28a4029e0b63b8f7ebaff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=B0=2E=20Emre=20Kutlu?= <emrekutlu@gmail.com>
Date: Wed, 22 Apr 2026 10:43:46 +0300
Subject: [PATCH] Fix Array<Hash> support for steps

---
 lib/transloadit/assembly.rb            |  2 +-
 lib/transloadit/step.rb                |  4 ++++
 test/unit/transloadit/test_assembly.rb | 24 ++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/lib/transloadit/assembly.rb b/lib/transloadit/assembly.rb
index 5d0f1c7..bf9befd 100644
--- a/lib/transloadit/assembly.rb
+++ b/lib/transloadit/assembly.rb
@@ -144,7 +144,7 @@ def _wrap_steps_in_hash(steps)
     when Hash then steps
     when Transloadit::Step then steps.to_hash
     else
-      if steps.uniq(&:name) != steps
+      if steps.uniq != steps
         raise ArgumentError, "There are different Assembly steps using the same name"
       end
       steps.inject({}) { |h, s| h.update s }
diff --git a/lib/transloadit/step.rb b/lib/transloadit/step.rb
index 5219610..25873c0 100644
--- a/lib/transloadit/step.rb
+++ b/lib/transloadit/step.rb
@@ -79,6 +79,10 @@ def to_json
     MultiJson.dump(to_hash)
   end
 
+  def eql?(other)
+    name == other.name
+  end
+
   protected
 
   attr_writer :robot
diff --git a/test/unit/transloadit/test_assembly.rb b/test/unit/transloadit/test_assembly.rb
index 0202ca2..161365b 100644
--- a/test/unit/transloadit/test_assembly.rb
+++ b/test/unit/transloadit/test_assembly.rb
@@ -211,6 +211,30 @@
     end
   end
 
+  describe "with multiple hash steps" do
+    before do
+      @encode = { "encode": { "robot": "/video/encode" } }
+      @thumbs = { "thumbs": { "robot": "/video/thumbs" } }
+
+      @assembly = Transloadit::Assembly.new @transloadit,
+        steps: [@encode, @thumbs]
+    end
+
+    it "must wrap its steps into one hash" do
+      _(@assembly.to_hash[:steps].keys).must_include @encode.keys
+      _(@assembly.to_hash[:steps].keys).must_include @thumbs.keys
+    end
+
+    it "must not allow duplicate steps" do
+      thumbs = { "thumbs": { "robot": "/video/thumbs" } }
+      thumbs_duplicate = { "thumbs": { "robot": "/video/encode" } }
+      options = {steps: [thumbs, thumbs_duplicate]}
+      assert_raises ArgumentError do
+        @assembly.create! open("lib/transloadit/version.rb"), **options
+      end
+    end
+  end
+
   describe "using assembly API methods" do
     include WebMock::API