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"""Unit tests for timeout_service.py."""
import random
import unittest
from datetime import datetime, timedelta
from unittest.mock import MagicMock
from requests.exceptions import HTTPError
from evergreen import EvergreenApi
import buildscripts.timeouts.timeout_service as under_test
from buildscripts.task_generation.resmoke_proxy import ResmokeProxyService
from buildscripts.util.teststats import HistoricTaskData
# pylint: disable=missing-docstring,no-self-use,invalid-name,protected-access
def build_mock_service(evg_api=None, resmoke_proxy=None):
end_date = datetime.now()
start_date = end_date - timedelta(weeks=2)
timeout_settings = under_test.TimeoutSettings(
end_date=end_date,
start_date=start_date,
)
return under_test.TimeoutService(
evg_api=evg_api if evg_api else MagicMock(spec_set=EvergreenApi),
resmoke_proxy=resmoke_proxy if resmoke_proxy else MagicMock(spec_set=ResmokeProxyService),
timeout_settings=timeout_settings)
def tst_stat_mock(file, duration, pass_count):
return MagicMock(test_file=file, avg_duration_pass=duration, num_pass=pass_count)
class TestGetTimeoutEstimate(unittest.TestCase):
def test_no_stats_should_return_default_timeout(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
mock_evg_api.test_stats_by_project.return_value = []
timeout_service = build_mock_service(evg_api=mock_evg_api)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
timeout = timeout_service.get_timeout_estimate(timeout_params)
self.assertFalse(timeout.is_specified())
def test_a_test_with_missing_history_should_cause_a_default_timeout(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
test_stats = [tst_stat_mock(f"test_{i}.js", 60, 1) for i in range(30)]
mock_evg_api.test_stats_by_project.return_value = test_stats
mock_resmoke_proxy = MagicMock(spec_set=ResmokeProxyService)
mock_resmoke_proxy.list_tests.return_value = ["test_with_no_stats.js"]
timeout_service = build_mock_service(evg_api=mock_evg_api, resmoke_proxy=mock_resmoke_proxy)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
timeout = timeout_service.get_timeout_estimate(timeout_params)
self.assertFalse(timeout.is_specified())
def test_a_test_with_zero_runtime_history_should_cause_a_default_timeout(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
test_stats = [tst_stat_mock(f"test_{i}.js", 60, 1) for i in range(30)]
test_stats.append(tst_stat_mock("zero.js", 0.0, 1))
mock_evg_api.test_stats_by_project.return_value = test_stats
mock_resmoke_proxy = MagicMock(spec_set=ResmokeProxyService)
mock_resmoke_proxy.list_tests.return_value = [ts.test_file for ts in test_stats]
timeout_service = build_mock_service(evg_api=mock_evg_api, resmoke_proxy=mock_resmoke_proxy)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
timeout = timeout_service.get_timeout_estimate(timeout_params)
self.assertFalse(timeout.is_specified())
def test_all_tests_with_runtime_history_should_use_custom_timeout(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
n_tests = 30
test_runtime = 600
test_stats = [tst_stat_mock(f"test_{i}.js", test_runtime, 1) for i in range(n_tests)]
mock_evg_api.test_stats_by_project.return_value = test_stats
mock_resmoke_proxy = MagicMock(spec_set=ResmokeProxyService)
mock_resmoke_proxy.list_tests.return_value = [ts.test_file for ts in test_stats]
timeout_service = build_mock_service(evg_api=mock_evg_api, resmoke_proxy=mock_resmoke_proxy)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
timeout = timeout_service.get_timeout_estimate(timeout_params)
self.assertTrue(timeout.is_specified())
self.assertEqual(1860, timeout.calculate_test_timeout(1))
self.assertEqual(54180, timeout.calculate_task_timeout(1))
class TestGetTaskHookOverhead(unittest.TestCase):
def test_no_stats_should_return_zero(self):
timeout_service = build_mock_service()
overhead = timeout_service.get_task_hook_overhead("suite", is_asan=False, test_count=30,
historic_stats=None)
self.assertEqual(0.0, overhead)
def test_stats_with_no_clean_every_n_should_return_zero(self):
timeout_service = build_mock_service()
test_stats = HistoricTaskData.from_stats_list(
[tst_stat_mock(f"test_{i}.js", 60, 1) for i in range(30)])
overhead = timeout_service.get_task_hook_overhead("suite", is_asan=False, test_count=30,
historic_stats=test_stats)
self.assertEqual(0.0, overhead)
def test_stats_with_clean_every_n_should_return_overhead(self):
test_count = 30
runtime = 25
timeout_service = build_mock_service()
test_stat_list = [tst_stat_mock(f"test_{i}.js", 60, 1) for i in range(test_count)]
test_stat_list.extend([
tst_stat_mock(f"test_{i}:{under_test.CLEAN_EVERY_N_HOOK}", runtime, 1)
for i in range(10)
])
random.shuffle(test_stat_list)
test_stats = HistoricTaskData.from_stats_list(test_stat_list)
overhead = timeout_service.get_task_hook_overhead(
"suite", is_asan=True, test_count=test_count, historic_stats=test_stats)
self.assertEqual(runtime * test_count, overhead)
class TestLookupHistoricStats(unittest.TestCase):
def test_no_stats_from_evergreen_should_return_none(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
mock_evg_api.test_stats_by_project.return_value = []
timeout_service = build_mock_service(evg_api=mock_evg_api)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
stats = timeout_service.lookup_historic_stats(timeout_params)
self.assertIsNone(stats)
def test_errors_from_evergreen_should_return_none(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
mock_evg_api.test_stats_by_project.side_effect = HTTPError("failed to connect")
timeout_service = build_mock_service(evg_api=mock_evg_api)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
stats = timeout_service.lookup_historic_stats(timeout_params)
self.assertIsNone(stats)
def test_stats_from_evergreen_should_return_the_stats(self):
mock_evg_api = MagicMock(spec_set=EvergreenApi)
test_stats = [tst_stat_mock(f"test_{i}.js", 60, 1) for i in range(100)]
mock_evg_api.test_stats_by_project.return_value = test_stats
timeout_service = build_mock_service(evg_api=mock_evg_api)
timeout_params = under_test.TimeoutParams(
evg_project="my project",
build_variant="bv",
task_name="my task",
suite_name="my suite",
is_asan=False,
)
stats = timeout_service.lookup_historic_stats(timeout_params)
self.assertIsNotNone(stats)
self.assertEqual(len(test_stats), len(stats.historic_test_results))
class TestGetCleanEveryNCadence(unittest.TestCase):
def test_clean_every_n_cadence_on_asan(self):
timeout_service = build_mock_service()
cadence = timeout_service._get_clean_every_n_cadence("suite", True)
self.assertEqual(1, cadence)
def test_clean_every_n_cadence_from_hook_config(self):
expected_n = 42
mock_resmoke_proxy = MagicMock()
mock_resmoke_proxy.read_suite_config.return_value = {
"executor": {
"hooks": [{
"class": "hook1",
}, {
"class": under_test.CLEAN_EVERY_N_HOOK,
"n": expected_n,
}]
}
}
timeout_service = build_mock_service(resmoke_proxy=mock_resmoke_proxy)
cadence = timeout_service._get_clean_every_n_cadence("suite", False)
self.assertEqual(expected_n, cadence)
def test_clean_every_n_cadence_no_n_in_hook_config(self):
mock_resmoke_proxy = MagicMock()
mock_resmoke_proxy.read_suite_config.return_value = {
"executor": {
"hooks": [{
"class": "hook1",
}, {
"class": under_test.CLEAN_EVERY_N_HOOK,
}]
}
}
timeout_service = build_mock_service(resmoke_proxy=mock_resmoke_proxy)
cadence = timeout_service._get_clean_every_n_cadence("suite", False)
self.assertEqual(1, cadence)
def test_clean_every_n_cadence_no_hook_config(self):
mock_resmoke_proxy = MagicMock()
mock_resmoke_proxy.read_suite_config.return_value = {
"executor": {"hooks": [{
"class": "hook1",
}, ]}
}
timeout_service = build_mock_service(resmoke_proxy=mock_resmoke_proxy)
cadence = timeout_service._get_clean_every_n_cadence("suite", False)
self.assertEqual(1, cadence)
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