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"""Diff generator tests."""
import pytest
from jdiff import extract_data_from_json
from jdiff.evaluators import diff_generator
from .utility import ASSERT_FAIL_MESSAGE, load_mocks
# Diff test case 1.
global_peers = (
"napalm_getter_peer_state_change",
"global.peers.$*$.[is_enabled,is_up]",
[],
{
"10.1.0.0": {
"is_enabled": {"new_value": False, "old_value": True},
"is_up": {"new_value": False, "old_value": True},
},
"7.7.7.7": {
"is_enabled": {"new_value": True, "old_value": False},
"is_up": {"new_value": True, "old_value": False},
},
},
)
# Diff test case 2.
bgp_peer_caps = (
"api",
"result[0].vrfs.default.peerList[*].[$peerAddress$,state,bgpPeerCaps]",
[],
{"7.7.7.7": {"state": {"new_value": "Connected", "old_value": "Idle"}}},
)
# Diff test case 3.
bgp_neigh = (
"textfsm",
"result[*].[$bgp_neigh$,state]",
[],
{"10.17.254.2": {"state": {"new_value": "Up", "old_value": "Idle"}}},
)
# Diff test case 4. Exclude filter applied.
raw_diff_of_interface_ma1_value_exclude = (
"raw_value_exclude",
"result[*]",
["interfaceStatistics", "interfaceCounters"],
{
"interfaces": {
"Management1": {
"lastStatusChangeTimestamp": {"new_value": 1626247821.123456, "old_value": 1626247820.0720868},
"interfaceAddress": {"primaryIp": {"address": {"new_value": "10.2.2.15", "old_value": "10.0.2.15"}}},
}
}
},
)
# Diff test case 5. Raw diff (no jmspath expression defined) and exclude filter applied.
raw_diff_of_interface_ma1_novalue_exclude = (
"raw_novalue_exclude",
None,
["interfaceStatistics", "interfaceCounters"],
{
"result": {
"interfaces": {
"Management1": {
"interfaceStatus": {"new_value": "connected", "old_value": "down"},
"lastStatusChangeTimestamp": {"new_value": 1626247821.123456, "old_value": 1626247820.0720868},
"interfaceAddress": {
"primaryIp": {"address": {"new_value": "10.2.2.15", "old_value": "10.0.2.15"}}
},
}
}
}
},
)
# Diff test case 5. Raw diff (no jmspath expression defined) and no exclude filter applied.
raw_diff_of_interface_ma1_novalue_noexclude = (
"raw_novalue_noexclude",
None,
[],
{
"result": {
"interfaces": {
"Management1": {
"lastStatusChangeTimestamp": {"new_value": 1626247821.123456, "old_value": 1626247820.0720868},
"interfaceStatistics": {
"inBitsRate": {"new_value": 3403.4362520883615, "old_value": 3582.5323982177174},
"inPktsRate": {"new_value": 3.7424095978179257, "old_value": 3.972702352461616},
"outBitsRate": {"new_value": 16249.69114419833, "old_value": 17327.65267220522},
"outPktsRate": {"new_value": 2.1111866059750692, "old_value": 2.216220664406746},
},
"interfaceCounters": {
"outUcastPkts": {"new_value": 853, "old_value": 840},
"counterRefreshTime": {"new_value": 1626247927.270532, "old_value": 1626247906.586039},
"inOctets": {"new_value": 173999, "old_value": 171537},
"outOctets": {"new_value": 801419, "old_value": 797728},
"inUcastPkts": {"new_value": 1508, "old_value": 1496},
"inTotalPkts": {"new_value": 1539, "old_value": 1527},
"outMulticastPkts": {"new_value": 7, "old_value": 6},
},
"interfaceAddress": {
"primaryIp": {"address": {"new_value": "10.2.2.15", "old_value": "10.0.2.15"}}
},
}
}
}
},
)
# Diff test case 6. Missing item in post.
missing_item = (
"napalm_getter_missing_peer",
None,
[],
{"global": {"peers": {"7.7.7.7": "missing"}}},
)
# Diff test case 7. Extra item in post.
additional_item = (
"napalm_getter_additional_peer",
None,
[],
{"global": {"peers": {"8.8.8.8": "new"}}},
)
# Diff test case 8. Item changed in post.
changed_item = (
"napalm_getter_changed_peer",
None,
[],
{"global": {"peers": {"7.7.7.7": "missing", "8.8.8.8": "new"}}},
)
# Diff test case 9. Value in multiple nested lists.
multi_nested_list = (
"exact_match_nested",
"global.peers.$*$.*.ipv4.[accepted_prefixes,received_prefixes]",
[],
{
"10.1.0.0": {"accepted_prefixes": {"new_value": -1, "old_value": -9}},
"10.2.0.0": {"accepted_prefixes": {"new_value": -1, "old_value": -9}},
},
)
# Diff test case 10. JMSPath empty string.
ospf_int_br_raw = (
"textfsm_ospf_int_br",
"",
[],
{"state": {"new_value": "DOWN", "old_value": "P2P", "new_value_dup!": "DR", "old_value_dup!": "BDR"}},
)
# Diff test case 11. Extensive nu,ber of values.
ospf_int_br_normalized = (
"textfsm_ospf_int_br",
"[*].[$interface$,area,ip_address_mask,cost,state,neighbors_fc]",
[],
{
"Se0/0/0.100": {"state": {"new_value": "DOWN", "old_value": "P2P"}},
"Fa0/0": {"state": {"new_value": "DR", "old_value": "BDR"}},
},
)
# Test GitLab Issues
# Test issue #44: https://github.com/networktocode-llc/jdiff/issues/44
test_issue_44_case_1 = (
"raw_novalue_exclude",
"result[*].interfaces.*.[$name$,interfaceStatus]",
[],
{"Management1": {"interfaceStatus": {"new_value": "connected", "old_value": "down"}}},
)
test_issue_44_case_2 = (
"raw_novalue_exclude",
"result[0].interfaces.*.[$name$,interfaceStatus]",
[],
{"Management1": {"interfaceStatus": {"new_value": "connected", "old_value": "down"}}},
)
eval_tests = [
global_peers,
bgp_peer_caps,
bgp_neigh,
raw_diff_of_interface_ma1_value_exclude,
raw_diff_of_interface_ma1_novalue_exclude,
raw_diff_of_interface_ma1_novalue_noexclude,
missing_item,
additional_item,
changed_item,
multi_nested_list,
ospf_int_br_raw,
ospf_int_br_normalized,
test_issue_44_case_1,
test_issue_44_case_2,
]
@pytest.mark.parametrize("folder_name, path, exclude, expected_output", eval_tests)
def test_eval(folder_name, path, exclude, expected_output):
"""Run tests."""
pre_data, post_data = load_mocks(folder_name)
pre_value = extract_data_from_json(pre_data, path, exclude)
post_value = extract_data_from_json(post_data, path, exclude)
output = diff_generator(pre_value, post_value)
assert expected_output == output, ASSERT_FAIL_MESSAGE.format(output=output, expected_output=expected_output)