Add tests for sanitize named bind arity

activerecord/test/cases/finder_test.rb

@@ -701,12 +701,12 @@ def test_named_bind_variables_with_quotes
   end
 
   def test_bind_arity
-    assert_nothing_raised                                 { bind '' }
+    assert_nothing_raised                                { bind '' }
     assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '', 1 }
 
     assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?' }
-    assert_nothing_raised                                 { bind '?', 1 }
-    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?', 1, 1  }
+    assert_nothing_raised                                { bind '?', 1 }
+    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?', 1, 1 }
   end
 
   def test_named_bind_variables
@@ -721,6 +721,12 @@ def test_named_bind_variables
     assert_kind_of Time, Topic.where(["id = :id", { id: 1 }]).first.written_on
   end
 
+  def test_named_bind_arity
+    assert_nothing_raised                                { bind "name = :name", { name: "37signals" } }
+    assert_nothing_raised                                { bind "name = :name", { name: "37signals", id: 1 } }
+    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind "name = :name", { id: 1 } }
+  end
+
   class SimpleEnumerable
     include Enumerable