def setUp(self):
rating_groups_by_id = {
1: RatingGroup(
id=1,
limit_type=RatingGroup.INFINITE_UNMETERED,
),
2: RatingGroup(
id=2,
limit_type=RatingGroup.INFINITE_METERED,
),
}
basenames_dict = {
'bn1': ChargingRuleNameSet(RuleNames=['p5']),
'bn2': ChargingRuleNameSet(RuleNames=['p6']),
}
apn_rules_by_sid = {
"IMSI1234":
SubscriberPolicySet(rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=[],
assigned_policies=["redirect"],
),
], ),
"IMSI2345":
SubscriberPolicySet(rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=["bn1"],
assigned_policies=[],
),
ApnPolicySet(
apn="apn2",
assigned_base_names=["bn2"],
assigned_policies=[],
),
], ),
"IMSI3456":
SubscriberPolicySet(
global_base_names=["bn1"],
global_policies=[],
rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=[],
assigned_policies=[],
),
],
),
}
self.servicer = SessionRpcServicer(
self._get_mconfig(),
rating_groups_by_id,
basenames_dict,
apn_rules_by_sid,
)
def test_Update(self):
"""
Test the happy path where updates come in for rules, and sessiond
accepts the SessionRules without issue.
"""
# Expected call arguments to SetSessionRules
allow_all_flow_list = [
FlowDescription(
match=FlowMatch(
direction=FlowMatch.Direction.Value("UPLINK"), ),
action=FlowDescription.Action.Value("PERMIT"),
),
FlowDescription(
match=FlowMatch(
direction=FlowMatch.Direction.Value("DOWNLINK"), ),
action=FlowDescription.Action.Value("PERMIT"),
),
] # type: List[FlowDescription]
no_tracking_type = PolicyRule.TrackingType.Value("NO_TRACKING")
expected = SessionRules(rules_per_subscriber=[
RulesPerSubscriber(
imsi='imsi_1',
rule_set=[
RuleSet(
apply_subscriber_wide=False,
apn="apn1",
static_rules=[
StaticRuleInstall(rule_id="p1"),
],
dynamic_rules=[
DynamicRuleInstall(policy_rule=PolicyRule(
id="allowlist_sid-imsi_1-apn1",
priority=2,
flow_list=allow_all_flow_list,
tracking_type=no_tracking_type,
))
],
),
]),
RulesPerSubscriber(
imsi='imsi_2',
rule_set=[
RuleSet(
apply_subscriber_wide=False,
apn="apn1",
static_rules=[
StaticRuleInstall(rule_id="p5"),
],
dynamic_rules=[
DynamicRuleInstall(policy_rule=PolicyRule(
id="allowlist_sid-imsi_2-apn1",
priority=2,
flow_list=allow_all_flow_list,
tracking_type=no_tracking_type,
))
],
),
])
])
# Setup the test
apn_rules_dict = {}
basenames_dict = {
'bn1': ChargingRuleNameSet(RuleNames=['p5']),
'bn2': ChargingRuleNameSet(RuleNames=['p6']),
}
stub = MockLocalSessionManagerStub()
stub_call_args = [] # type: List[SessionRules]
side_effect = get_SetSessionRules_side_effect(stub_call_args)
stub.SetSessionRules = Mock(side_effect=side_effect)
callback = ApnRuleMappingsStreamerCallback(
stub,
basenames_dict,
apn_rules_dict,
)
# Construct a set of updates, keyed by subscriber ID
updates = [
DataUpdate(
key="imsi_1",
value=SubscriberPolicySet(rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=[],
assigned_policies=["p1"],
),
], ).SerializeToString(),
),
DataUpdate(
key="imsi_2",
value=SubscriberPolicySet(rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=["bn1"],
assigned_policies=[],
),
], ).SerializeToString(),
),
]
callback.process_update("stream", updates, False)
# Since we used a stub which always succeeds when a RAR is made,
# We should expect the assignments_dict to be updated
imsi_1_policies = apn_rules_dict["imsi_1"]
self.assertEqual(len(imsi_1_policies.rules_per_apn), 1,
'There should be 1 active APNs for imsi_1')
self.assertEqual(len(stub_call_args), 1,
'Stub should have been called once')
called_with = stub_call_args[0].SerializeToString()
self.assertEqual(called_with, expected.SerializeToString(),
'SetSessionRules call has incorrect arguments')
# Stream down a second update, and now IMSI_1 gets access to a new APN
updates_2 = [
DataUpdate(
key="imsi_1",
value=SubscriberPolicySet(rules_per_apn=[
ApnPolicySet(
apn="apn2",
assigned_base_names=["bn1"],
assigned_policies=[],
),
], ).SerializeToString(),
),
DataUpdate(
key="imsi_2",
value=SubscriberPolicySet(
global_base_names=["bn2"],
global_policies=[],
rules_per_apn=[
ApnPolicySet(
apn="apn1",
assigned_base_names=[],
assigned_policies=[],
),
],
).SerializeToString(),
),
]
expected_2 = SessionRules(rules_per_subscriber=[
RulesPerSubscriber(
imsi='imsi_1',
rule_set=[
RuleSet(
apply_subscriber_wide=False,
apn="apn2",
static_rules=[
StaticRuleInstall(rule_id="p5"),
],
dynamic_rules=[
DynamicRuleInstall(policy_rule=PolicyRule(
id="allowlist_sid-imsi_1-apn2",
priority=2,
flow_list=allow_all_flow_list,
tracking_type=no_tracking_type,
))
],
),
]),
RulesPerSubscriber(
imsi='imsi_2',
rule_set=[
RuleSet(
apply_subscriber_wide=False,
apn="apn1",
static_rules=[
StaticRuleInstall(rule_id="p6"),
],
dynamic_rules=[
DynamicRuleInstall(policy_rule=PolicyRule(
id="allowlist_sid-imsi_2-apn1",
priority=2,
flow_list=allow_all_flow_list,
tracking_type=no_tracking_type,
))
],
),
]),
])
callback.process_update("stream", updates_2, False)
imsi_1_policies = apn_rules_dict["imsi_1"]
self.assertEqual(len(imsi_1_policies.rules_per_apn), 1,
'There should be 1 active APNs for imsi_1')
self.assertEqual(len(stub_call_args), 2,
'Stub should have been called twice')
called_with = stub_call_args[1].SerializeToString()
self.assertEqual(called_with, expected_2.SerializeToString(),
'SetSessionRules call has incorrect arguments')