def test_position_conversion(self):
"""
Tests that a position becomes the correct address
"""
pos1 = (3, 4, 1, 2, 81)
addr1 = getaddress(pos1)
self.assertEqual(addr1, 0x0304010251)
def save(self, *args, **kwargs):
"""
Override save such that creation of a freezer generates samplelocation
entries corresponding to the freezer.
"""
self.occupied = 0
self.unoccupied = (self.shelf_capacity *
self.rack_capacity *
self.drawer_capacity *
self.box_capacity *
self.cell_capacity)
self.percent_free = 0.0
super(Freezer, self).save(*args, **kwargs)
cur = connection.cursor()
t = [(False, self.id, getaddress((s, r, d, b, c)),
self.box_width, self.cell_capacity)
for s in xrange(1, self.shelf_capacity + 1)
for r in xrange(1, self.rack_capacity + 1)
for d in xrange(1, self.drawer_capacity + 1)
for b in xrange(1, self.box_capacity + 1)
for c in xrange(1, self.cell_capacity + 1)]
cur.executemany("""INSERT INTO freezers_samplelocation (occupied,
freezer_id, address, box_width, cell_capacity)
values (%s, %s, %s, %s, %s)""", t)
transaction.commit()