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# For testing specific heuristics
from __future__ import annotations
import io
import json
import sys
import unittest
from pathlib import Path
from typing import Any
from unittest import mock
REPO_ROOT = Path(__file__).resolve().parent.parent.parent.parent
sys.path.append(str(REPO_ROOT))
from tools.test.heuristics.test_interface import TestTD
from tools.testing.target_determination.determinator import TestPrioritizations
from tools.testing.target_determination.heuristics.filepath import (
file_matches_keyword,
get_keywords,
)
from tools.testing.target_determination.heuristics.historical_class_failure_correlation import (
HistoricalClassFailurCorrelation,
)
from tools.testing.target_determination.heuristics.previously_failed_in_pr import (
get_previous_failures,
)
from tools.testing.test_run import TestRun
sys.path.remove(str(REPO_ROOT))
HEURISTIC_CLASS = "tools.testing.target_determination.heuristics.historical_class_failure_correlation."
def mocked_file(contents: dict[Any, Any]) -> io.IOBase:
file_object = io.StringIO()
json.dump(contents, file_object)
file_object.seek(0)
return file_object
def gen_historical_class_failures() -> dict[str, dict[str, float]]:
return {
"file1": {
"test1::classA": 0.5,
"test2::classA": 0.2,
"test5::classB": 0.1,
},
"file2": {
"test1::classB": 0.3,
"test3::classA": 0.2,
"test5::classA": 1.5,
"test7::classC": 0.1,
},
"file3": {
"test1::classC": 0.4,
"test4::classA": 0.2,
"test7::classC": 1.5,
"test8::classC": 0.1,
},
}
ALL_TESTS = [
"test1",
"test2",
"test3",
"test4",
"test5",
"test6",
"test7",
"test8",
]
class TestHistoricalClassFailureCorrelation(TestTD):
@mock.patch(
HEURISTIC_CLASS + "_get_historical_test_class_correlations",
return_value=gen_historical_class_failures(),
)
@mock.patch(
HEURISTIC_CLASS + "query_changed_files",
return_value=["file1"],
)
def test_get_prediction_confidence(
self,
historical_class_failures: dict[str, dict[str, float]],
changed_files: list[str],
) -> None:
tests_to_prioritize = ALL_TESTS
heuristic = HistoricalClassFailurCorrelation()
test_prioritizations = heuristic.get_prediction_confidence(tests_to_prioritize)
expected = TestPrioritizations(
tests_to_prioritize,
{
TestRun("test1::classA"): 0.25,
TestRun("test2::classA"): 0.1,
TestRun("test5::classB"): 0.05,
TestRun("test1", excluded=["classA"]): 0.0,
TestRun("test2", excluded=["classA"]): 0.0,
TestRun("test3"): 0.0,
TestRun("test4"): 0.0,
TestRun("test5", excluded=["classB"]): 0.0,
TestRun("test6"): 0.0,
TestRun("test7"): 0.0,
TestRun("test8"): 0.0,
},
)
self.assert_test_scores_almost_equal(
test_prioritizations._test_scores, expected._test_scores
)
class TestParsePrevTests(TestTD):
@mock.patch("os.path.exists", return_value=False)
def test_cache_does_not_exist(self, mock_exists: Any) -> None:
expected_failing_test_files: set[str] = set()
found_tests = get_previous_failures()
self.assertSetEqual(expected_failing_test_files, found_tests)
@mock.patch("os.path.exists", return_value=True)
@mock.patch("builtins.open", return_value=mocked_file({"": True}))
def test_empty_cache(self, mock_exists: Any, mock_open: Any) -> None:
expected_failing_test_files: set[str] = set()
found_tests = get_previous_failures()
self.assertSetEqual(expected_failing_test_files, found_tests)
mock_open.assert_called()
lastfailed_with_multiple_tests_per_file = {
"test/test_car.py::TestCar::test_num[17]": True,
"test/test_car.py::TestBar::test_num[25]": True,
"test/test_far.py::TestFar::test_fun_copy[17]": True,
"test/test_bar.py::TestBar::test_fun_copy[25]": True,
}
@mock.patch("os.path.exists", return_value=True)
@mock.patch(
"builtins.open",
return_value=mocked_file(lastfailed_with_multiple_tests_per_file),
)
def test_dedupes_failing_test_files(self, mock_exists: Any, mock_open: Any) -> None:
expected_failing_test_files = {"test_car", "test_bar", "test_far"}
found_tests = get_previous_failures()
self.assertSetEqual(expected_failing_test_files, found_tests)
class TestFilePath(TestTD):
def test_get_keywords(self) -> None:
self.assertEqual(get_keywords("test/test_car.py"), ["car"])
self.assertEqual(get_keywords("test/nn/test_amp.py"), ["nn", "amp"])
self.assertEqual(get_keywords("torch/nn/test_amp.py"), ["nn", "amp"])
self.assertEqual(
get_keywords("torch/nn/mixed_precision/test_something.py"),
["nn", "amp", "something"],
)
def test_match_keywords(self) -> None:
self.assertTrue(file_matches_keyword("test/quantization/test_car.py", "quant"))
self.assertTrue(file_matches_keyword("test/test_quantization.py", "quant"))
self.assertTrue(file_matches_keyword("test/nn/test_amp.py", "nn"))
self.assertTrue(file_matches_keyword("test/nn/test_amp.py", "amp"))
self.assertTrue(file_matches_keyword("test/test_onnx.py", "onnx"))
self.assertFalse(file_matches_keyword("test/test_onnx.py", "nn"))
def test_get_keywords_match(self) -> None:
def helper(test_file: str, changed_file: str) -> bool:
return any(
file_matches_keyword(test_file, x) for x in get_keywords(changed_file)
)
self.assertTrue(helper("test/quantization/test_car.py", "quantize/t.py"))
self.assertFalse(helper("test/onnx/test_car.py", "nn/t.py"))
self.assertTrue(helper("test/nn/test_car.py", "nn/t.py"))
self.assertFalse(helper("test/nn/test_car.py", "test/b.py"))
self.assertTrue(helper("test/test_mixed_precision.py", "torch/amp/t.py"))
self.assertTrue(helper("test/test_amp.py", "torch/mixed_precision/t.py"))
self.assertTrue(helper("test/idk/other/random.py", "torch/idk/t.py"))
if __name__ == "__main__":
unittest.main()
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