diff options
Diffstat (limited to 'activerecord/test/cases/defaults_test.rb')
-rw-r--r-- | activerecord/test/cases/defaults_test.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/activerecord/test/cases/defaults_test.rb b/activerecord/test/cases/defaults_test.rb index 3473b846a0..ee84cb8af8 100644 --- a/activerecord/test/cases/defaults_test.rb +++ b/activerecord/test/cases/defaults_test.rb @@ -19,6 +19,37 @@ class DefaultTest < ActiveRecord::TestCase end if current_adapter?(:MysqlAdapter) + + #MySQL 5 and higher is quirky with not null text/blob columns. + #With MySQL Text/blob columns cannot have defaults. If the column is not null MySQL will report that the column has a null default + #but it behaves as though the column had a default of '' + def test_mysql_text_not_null_defaults + klass = Class.new(ActiveRecord::Base) + klass.table_name = 'test_mysql_text_not_null_defaults' + klass.connection.create_table klass.table_name do |t| + t.column :non_null_text, :text, :null => false + t.column :non_null_blob, :blob, :null => false + t.column :null_text, :text, :null => true + t.column :null_blob, :blob, :null => true + end + assert_equal '', klass.columns_hash['non_null_blob'].default + assert_equal '', klass.columns_hash['non_null_text'].default + + assert_equal nil, klass.columns_hash['null_blob'].default + assert_equal nil, klass.columns_hash['null_text'].default + + assert_nothing_raised do + instance = klass.create! + assert_equal '', instance.non_null_text + assert_equal '', instance.non_null_blob + assert_nil instance.null_text + assert_nil instance.null_blob + end + ensure + klass.connection.drop_table(klass.table_name) rescue nil + end + + # MySQL uses an implicit default 0 rather than NULL unless in strict mode. # We use an implicit NULL so schema.rb is compatible with other databases. def test_mysql_integer_not_null_defaults |