From 7ef9849e3d51c1f4a37af368b770d8fdb41883cd Mon Sep 17 00:00:00 2001 From: Federico Martinez Date: Thu, 31 May 2018 00:49:25 -0300 Subject: Migrations will raise an exception if there are multiple column definitions (same name). --- activerecord/test/cases/migration/change_schema_test.rb | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'activerecord/test') diff --git a/activerecord/test/cases/migration/change_schema_test.rb b/activerecord/test/cases/migration/change_schema_test.rb index f4d16cb093..7777508349 100644 --- a/activerecord/test/cases/migration/change_schema_test.rb +++ b/activerecord/test/cases/migration/change_schema_test.rb @@ -196,6 +196,17 @@ module ActiveRecord assert_equal "you can't redefine the primary key column 'testing_id'. To define a custom primary key, pass { id: false } to create_table.", error.message end + def test_create_table_raises_when_defining_existing_column + error = assert_raise(ArgumentError) do + connection.create_table :testings do |t| + t.column :testing_column, :string + t.column :testing_column, :integer + end + end + + assert_equal "you can't define an already defined column 'testing_column'.", error.message + end + def test_create_table_with_timestamps_should_create_datetime_columns connection.create_table table_name do |t| t.timestamps -- cgit v1.2.3