diff options
Diffstat (limited to 'activerecord/test/cases/time_precision_test.rb')
-rw-r--r-- | activerecord/test/cases/time_precision_test.rb | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/activerecord/test/cases/time_precision_test.rb b/activerecord/test/cases/time_precision_test.rb new file mode 100644 index 0000000000..ff7a81fe60 --- /dev/null +++ b/activerecord/test/cases/time_precision_test.rb @@ -0,0 +1,108 @@ +require 'cases/helper' +require 'support/schema_dumping_helper' + +if ActiveRecord::Base.connection.supports_datetime_with_precision? +class TimePrecisionTest < ActiveRecord::TestCase + include SchemaDumpingHelper + self.use_transactional_tests = false + + class Foo < ActiveRecord::Base; end + + setup do + @connection = ActiveRecord::Base.connection + end + + teardown do + @connection.drop_table :foos, if_exists: true + end + + def test_time_data_type_with_precision + @connection.create_table(:foos, force: true) + @connection.add_column :foos, :start, :time, precision: 3 + @connection.add_column :foos, :finish, :time, precision: 6 + assert_equal 3, activerecord_column_option('foos', 'start', 'precision') + assert_equal 6, activerecord_column_option('foos', 'finish', 'precision') + end + + def test_passing_precision_to_time_does_not_set_limit + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 3 + t.time :finish, precision: 6 + end + assert_nil activerecord_column_option('foos', 'start', 'limit') + assert_nil activerecord_column_option('foos', 'finish', 'limit') + end + + def test_invalid_time_precision_raises_error + assert_raises ActiveRecord::ActiveRecordError do + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 7 + t.time :finish, precision: 7 + end + end + end + + def test_database_agrees_with_activerecord_about_precision + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 2 + t.time :finish, precision: 4 + end + assert_equal 2, database_datetime_precision('foos', 'start') + assert_equal 4, database_datetime_precision('foos', 'finish') + end + + def test_formatting_time_according_to_precision + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 0 + t.time :finish, precision: 4 + end + time = ::Time.utc(2000, 1, 1, 12, 30, 0, 999999) + Foo.create!(start: time, finish: time) + assert foo = Foo.find_by(start: time) + assert_equal 1, Foo.where(finish: time).count + assert_equal time.to_s, foo.start.to_s + assert_equal time.to_s, foo.finish.to_s + assert_equal 000000, foo.start.usec + assert_equal 999900, foo.finish.usec + end + + def test_schema_dump_includes_time_precision + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 4 + t.time :finish, precision: 6 + end + output = dump_table_schema("foos") + assert_match %r{t\.time\s+"start",\s+precision: 4$}, output + assert_match %r{t\.time\s+"finish",\s+precision: 6$}, output + end + + if current_adapter?(:PostgreSQLAdapter) + def test_time_precision_with_zero_should_be_dumped + @connection.create_table(:foos, force: true) do |t| + t.time :start, precision: 0 + t.time :finish, precision: 0 + end + output = dump_table_schema("foos") + assert_match %r{t\.time\s+"start",\s+precision: 0$}, output + assert_match %r{t\.time\s+"finish",\s+precision: 0$}, output + end + end + + private + + def database_datetime_precision(table_name, column_name) + results = @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"].to_i + end + + def activerecord_column_option(tablename, column_name, option) + result = @connection.columns(tablename).find do |column| + column.name == column_name + end + result && result.send(option) + end +end +end |