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require "cases/helper"
class Mysql2DatetimePrecisionQuotingTest < ActiveRecord::Mysql2TestCase
setup do
@connection = ActiveRecord::Base.connection
end
test "microsecond precision for MySQL gte 5.6.4" do
stub_version "5.6.4" do
assert_microsecond_precision
end
end
test "no microsecond precision for MySQL lt 5.6.4" do
stub_version "5.6.3" do
assert_no_microsecond_precision
end
end
test "microsecond precision for MariaDB gte 5.3.0" do
stub_version "5.5.5-10.1.8-MariaDB-log" do
assert_microsecond_precision
end
end
test "no microsecond precision for MariaDB lt 5.3.0" do
stub_version "5.2.9-MariaDB" do
assert_no_microsecond_precision
end
end
private
def assert_microsecond_precision
assert_match_quoted_microsecond_datetime(/\.000001\z/)
end
def assert_no_microsecond_precision
assert_match_quoted_microsecond_datetime(/\d\z/)
end
def assert_match_quoted_microsecond_datetime(match)
assert_match match, @connection.quoted_date(Time.now.change(usec: 1))
end
def stub_version(full_version_string)
@connection.stubs(:full_version).returns(full_version_string)
@connection.remove_instance_variable(:@version) if @connection.instance_variable_defined?(:@version)
yield
ensure
@connection.remove_instance_variable(:@version) if @connection.instance_variable_defined?(:@version)
end
end
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