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author | Ryuta Kamizono <kamipo@gmail.com> | 2014-11-19 19:59:14 +0900 |
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committer | Ryuta Kamizono <kamipo@gmail.com> | 2015-01-02 22:30:07 +0900 |
commit | ae419af6667125662a4324e8809e2a15aad686d2 (patch) | |
tree | 1c409ffe6c52ec65ed13b6a9657cfede3748741f /activerecord/test/cases/adapters/mysql2/datetime_test.rb | |
parent | b63382ec062730699ddda50bf4aeec49cb2f60af (diff) | |
download | rails-ae419af6667125662a4324e8809e2a15aad686d2.tar.gz rails-ae419af6667125662a4324e8809e2a15aad686d2.tar.bz2 rails-ae419af6667125662a4324e8809e2a15aad686d2.zip |
Allow precision option for MySQL datetimes.
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2/datetime_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/mysql2/datetime_test.rb | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/datetime_test.rb b/activerecord/test/cases/adapters/mysql2/datetime_test.rb new file mode 100644 index 0000000000..1705fecce0 --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/datetime_test.rb @@ -0,0 +1,70 @@ +require 'cases/helper' + +if mysql_56? + class DateTimeTest < ActiveRecord::TestCase + + def test_default_datetime_precision + ActiveRecord::Base.connection.create_table(:foos, force: true) + ActiveRecord::Base.connection.add_column :foos, :created_at, :datetime + ActiveRecord::Base.connection.add_column :foos, :updated_at, :datetime + assert_nil activerecord_column_option('foos', 'created_at', 'precision') + end + + def test_datetime_data_type_with_precision + ActiveRecord::Base.connection.create_table(:foos, force: true) + ActiveRecord::Base.connection.add_column :foos, :created_at, :datetime, precision: 1 + ActiveRecord::Base.connection.add_column :foos, :updated_at, :datetime, precision: 5 + assert_equal 1, activerecord_column_option('foos', 'created_at', 'precision') + assert_equal 5, activerecord_column_option('foos', 'updated_at', 'precision') + end + + def test_timestamps_helper_with_custom_precision + ActiveRecord::Base.connection.create_table(:foos, force: true) do |t| + t.timestamps null: true, precision: 4 + end + assert_equal 4, activerecord_column_option('foos', 'created_at', 'precision') + assert_equal 4, activerecord_column_option('foos', 'updated_at', 'precision') + end + + def test_passing_precision_to_datetime_does_not_set_limit + ActiveRecord::Base.connection.create_table(:foos, force: true) do |t| + t.timestamps null: true, precision: 4 + end + assert_nil activerecord_column_option('foos', 'created_at', 'limit') + assert_nil activerecord_column_option('foos', 'updated_at', 'limit') + end + + def test_invalid_datetime_precision_raises_error + assert_raises ActiveRecord::ActiveRecordError do + ActiveRecord::Base.connection.create_table(:foos, force: true) do |t| + t.timestamps null: true, precision: 7 + end + end + end + + def test_mysql_agrees_with_activerecord_about_precision + ActiveRecord::Base.connection.create_table(:foos, force: true) do |t| + t.timestamps null: true, precision: 4 + end + assert_equal 4, mysql_datetime_precision('foos', 'created_at') + assert_equal 4, mysql_datetime_precision('foos', 'updated_at') + end + + private + + def mysql_datetime_precision(table_name, column_name) + results = ActiveRecord::Base.connection.exec_query("SELECT column_name, datetime_precision FROM information_schema.columns WHERE table_name ='#{table_name}'") + result = results.find do |result_hash| + result_hash["column_name"] == column_name + end + result && result["datetime_precision"] + end + + def activerecord_column_option(tablename, column_name, option) + result = ActiveRecord::Base.connection.columns(tablename).find do |column| + column.name == column_name + end + result && result.send(option) + end + end +end |