Rails::Generators::GeneratedAttribute#to_s

Author: dorianmariecom

railties/lib/rails/generators/generated_attribute.rb

@@ -239,6 +239,31 @@ def options_for_migration
           end
         end
       end
+
+      def to_s
+        if has_uniq_index?
+          "#{name}:#{type}#{print_attribute_options}:uniq"
+        elsif has_index?
+          "#{name}:#{type}#{print_attribute_options}:index"
+        else
+          "#{name}:#{type}#{print_attribute_options}"
+        end
+      end
+
+      private
+        def print_attribute_options
+          if attr_options.empty?
+            ""
+          elsif attr_options[:size]
+            "{#{attr_options[:size]}}"
+          elsif attr_options[:limit]
+            "{#{attr_options[:limit]}}"
+          elsif attr_options[:precision] && attr_options[:scale]
+            "{#{attr_options[:precision]},#{attr_options[:scale]}}"
+          else
+            "{#{attr_options.keys.join(",")}}"
+          end
+        end
     end
   end
 end

railties/test/generators/generated_attribute_test.rb

@@ -228,4 +228,39 @@ def test_parse_required_attribute_with_index_false_when_belongs_to_required_by_d
     att = Rails::Generators::GeneratedAttribute.parse("supplier:references:index")
     assert_not_predicate att, :required?
   end
+
+  def test_generated_attribute_to_s
+    att = Rails::Generators::GeneratedAttribute.parse("name")
+    assert_equal "name:string", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_index
+    att = Rails::Generators::GeneratedAttribute.parse("name:index")
+    assert_equal "name:string:index", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_uniq_index
+    att = Rails::Generators::GeneratedAttribute.parse("name:uniq")
+    assert_equal "name:string:uniq", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_limit
+    att = Rails::Generators::GeneratedAttribute.parse("name:text{140}")
+    assert_equal "name:text{140}", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_size
+    att = Rails::Generators::GeneratedAttribute.parse("name:text{medium}")
+    assert_equal "name:text{medium}", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_precision_and_scale
+    att = Rails::Generators::GeneratedAttribute.parse("name:decimal{1,2}")
+    assert_equal "name:decimal{1,2}", att.to_s
+  end
+
+  def test_generated_attribute_to_s_with_polymorphic
+    att = Rails::Generators::GeneratedAttribute.parse("name:references{polymorphic}")
+    assert_equal "name:references{polymorphic}", att.to_s
+  end
 end