def test_modify_existing_performs_validation(self):
subnet = make_plain_subnet()
IPRange(
subnet=subnet,
type=IPRANGE_TYPE.DYNAMIC,
start_ip="192.168.0.100",
end_ip="192.168.0.150",
).save()
iprange = IPRange(
subnet=subnet,
type=IPRANGE_TYPE.DYNAMIC,
start_ip="192.168.0.151",
end_ip="192.168.0.200",
)
iprange.save()
# Make sure safe modification works.
iprange.start_ip = "192.168.0.210"
iprange.end_ip = "192.168.0.250"
iprange.save()
# Modify again, but conflict with first range this time.
instance_id = iprange.id
iprange.start_ip = "192.168.0.110"
iprange.end_ip = "192.168.0.140"
with ExpectedException(ValidationError, self.dynamic_overlaps):
iprange.save()
# Make sure original range isn't deleted after failure to modify.
iprange = reload_object(iprange)
self.assertEqual(iprange.id, instance_id)
def test_reserved_range_can_overlap_gateway_ip(self):
subnet = make_plain_subnet()
iprange = IPRange(
subnet=subnet,
type=IPRANGE_TYPE.RESERVED,
start_ip="192.168.0.2",
end_ip="192.168.0.5",
)
iprange.save()
# A RESERVED range can overlap the gateway IP.
iprange.start_ip = "192.168.0.1"
iprange.save()
def test_change_dynamic_to_reserved(self):
subnet = make_plain_subnet()
iprange = IPRange(
subnet=subnet,
type=IPRANGE_TYPE.DYNAMIC,
start_ip="192.168.0.2",
end_ip="192.168.0.5",
)
iprange.save()
# Reserved should save OK overlapping gateway IP.
iprange.type = IPRANGE_TYPE.RESERVED
iprange.start_ip = "192.168.0.1"
iprange.save()
def test_dynamic_range_cant_overlap_gateway_ip(self):
subnet = make_plain_subnet()
iprange = IPRange(
subnet=subnet,
type=IPRANGE_TYPE.DYNAMIC,
start_ip="192.168.0.2",
end_ip="192.168.0.5",
)
iprange.save()
# A DYNAMIC range cannot overlap the gateway IP.
iprange.start_ip = "192.168.0.1"
with ExpectedException(ValidationError, self.dynamic_overlaps):
iprange.save()
def test_change_reserved_to_dynamic(self):
subnet = make_plain_subnet()
iprange = IPRange(
subnet=subnet,
type=IPRANGE_TYPE.RESERVED,
start_ip="192.168.0.1",
end_ip="192.168.0.5",
)
# Reserved should save OK overlapping gateway IP.
iprange.save()
# Dynamic should not save overlapping gateway IP.
iprange.type = IPRANGE_TYPE.DYNAMIC
with ExpectedException(ValidationError, self.dynamic_overlaps):
iprange.save()
# Fix start_ip and now it should save.
iprange.start_ip = "192.168.0.2"
iprange.save()
