fix: clean robucop errors after remove_enum_value

Author: hosembafer

lib/active_record/postgres_enum/postgresql_adapter.rb

@@ -64,9 +64,13 @@ def add_enum_value(name, value, after: nil, before: nil)
         end
         execute sql
       end
-      
+
       def remove_enum_value(name, value)
-        sql = "DELETE FROM pg_enum WHERE enumlabel=#{quote value} AND enumtypid=(SELECT oid FROM pg_type WHERE typname='#{name}')"
+        sql = %{
+          DELETE FROM pg_enum
+          WHERE enumlabel=#{quote value}
+          AND enumtypid=(SELECT oid FROM pg_type WHERE typname='#{name}')
+        }
         execute sql
       end
 

spec/active_record/postgres_enum_spec.rb

@@ -73,25 +73,25 @@
     it "removes an enum value with a space" do
       expect { connection.add_enum_value(:foo, "a 3") }.to_not raise_error
       expect { connection.remove_enum_value(:foo, "a 3") }.to_not raise_error
-      expect(connection.enums[:foo]).to eq ["a1", "a2"]
+      expect(connection.enums[:foo]).to eq %w(a1 a2)
     end
 
     it "removes an enum value with a comma" do
       expect { connection.add_enum_value(:foo, "a,3") }.to_not raise_error
       expect { connection.remove_enum_value(:foo, "a,3") }.to_not raise_error
-      expect(connection.enums[:foo]).to eq ["a1", "a2"]
+      expect(connection.enums[:foo]).to eq %w(a1 a2)
     end
 
     it "removes an enum value with a single quote" do
       expect { connection.add_enum_value(:foo, "a'3") }.to_not raise_error
       expect { connection.remove_enum_value(:foo, "a'3") }.to_not raise_error
-      expect(connection.enums[:foo]).to eq ["a1", "a2"]
+      expect(connection.enums[:foo]).to eq %w(a1 a2)
     end
 
     it "removes an enum value with a double quote" do
       expect { connection.add_enum_value(:foo, "a\"3") }.to_not raise_error
       expect { connection.remove_enum_value(:foo, "a\"3") }.to_not raise_error
-      expect(connection.enums[:foo]).to eq ["a1", "a2"]
+      expect(connection.enums[:foo]).to eq %w(a1 a2)
     end
 
     it "renames an enum value" do