From 38061fd7ab087786c260f7ac14c34121ea276cba Mon Sep 17 00:00:00 2001
From: Aidan Haran <aidanharan@yahoo.com>
Date: Mon, 25 Sep 2023 15:52:52 +0100
Subject: [PATCH] Include the is_identity key in the tests (#1095)

---
 test/cases/coerced_tests.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/test/cases/coerced_tests.rb b/test/cases/coerced_tests.rb
index 5cb942a80..d26a053e5 100644
--- a/test/cases/coerced_tests.rb
+++ b/test/cases/coerced_tests.rb
@@ -2447,3 +2447,17 @@ class ActiveRecord::Encryption::EncryptableRecordTest < ActiveRecord::Encryption
   # SQL Server does not support upsert. Coerce can be removed after https://github.com/rails/rails/pull/49344
   coerce_tests! %r{loading records with encrypted attributes defined on columns with default values}
 end
+
+module ActiveRecord
+  class Migration
+    class InvalidOptionsTest < ActiveRecord::TestCase
+      # Include the additional SQL Server migration options.
+      def invalid_add_column_option_exception_message(key)
+        default_keys = [":limit", ":precision", ":scale", ":default", ":null", ":collation", ":comment", ":primary_key", ":if_exists", ":if_not_exists"]
+        default_keys.concat([":is_identity"]) # SQL Server additional valid keys
+
+        "Unknown key: :#{key}. Valid keys are: #{default_keys.join(", ")}"
+      end
+    end
+  end
+end