Test cases for my patch to ArrowType.

arowtype_test.py

#!/usr/bin/env py.test

from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from sqlalchemy import create_engine, Column

from sqlalchemy_utils.types.arrow import ArrowType
import arrow

Base = declarative_base()

class Thing(Base):
	__tablename__ = u'thing'
	time = Column(ArrowType, primary_key=True)

engine = create_engine('postgres://localhost:5432/util_test', echo=True)

Base.metadata.create_all(engine)

Session = sessionmaker(bind=engine)
session = Session()

def test_utc():
	time = arrow.utcnow()
	thing = Thing(time=time)

	session.add(thing)

	assert thing.time == time
	session.commit()
	assert thing.time == time

def test_other_tz():
	time = arrow.utcnow()
	local = time.to('US/Pacific')
	thing = Thing(time=local)
	
	session.add(thing)

	assert thing.time == time == local
	session.commit()
	assert thing.time == time