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path: root/llvm_tools/upload_lexan_crashes_to_forcey_test.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Tests for upload_lexan_crashes_to_forcey."""

import datetime
import os
import unittest
import unittest.mock

import upload_lexan_crashes_to_forcey


class Test(unittest.TestCase):
    """Tests for upload_lexan_crashes_to_forcey."""

    def test_date_parsing_functions(self):
        self.assertEqual(
            datetime.date(2020, 2, 1),
            upload_lexan_crashes_to_forcey.from_ymd("2020-02-01"),
        )

    @unittest.mock.patch(
        "upload_lexan_crashes_to_forcey.test_cases_on_or_after",
        return_value=(
            (
                datetime.date(2020, 1, 1),
                ("gs://test-case-1", "gs://test-case-1.1"),
            ),
            (datetime.date(2020, 1, 2), ("gs://test-case-2",)),
            (datetime.date(2020, 1, 1), ("gs://test-case-3",)),
            (datetime.date(2020, 1, 4), ("gs://test-case-4",)),
        ),
    )
    @unittest.mock.patch("upload_lexan_crashes_to_forcey.submit_test_case")
    @unittest.mock.patch("upload_lexan_crashes_to_forcey.persist_state")
    def test_new_test_case_submission_functions(
        self,
        persist_state_mock,
        submit_test_case_mock,
        test_cases_on_or_after_mock,
    ):
        forcey_path = "/path/to/4c"
        real_state_file_path = "/path/to/state/file"
        earliest_date = datetime.date(2020, 1, 1)

        persist_state_calls = []

        # Since the set this gets is mutated, we need to copy it somehow.
        def persist_state_side_effect(
            test_cases_to_persist, state_file_path, most_recent_date
        ):
            self.assertEqual(state_file_path, real_state_file_path)
            persist_state_calls.append(
                (sorted(test_cases_to_persist), most_recent_date)
            )

        persist_state_mock.side_effect = persist_state_side_effect

        upload_lexan_crashes_to_forcey.submit_new_test_cases(
            last_seen_test_cases=(
                "gs://test-case-0",
                "gs://test-case-1",
            ),
            earliest_date_to_check=earliest_date,
            forcey=forcey_path,
            state_file_path=real_state_file_path,
        )

        test_cases_on_or_after_mock.assert_called_once_with(earliest_date)
        self.assertEqual(
            submit_test_case_mock.call_args_list,
            [
                unittest.mock.call("gs://test-case-1.1", forcey_path),
                unittest.mock.call("gs://test-case-2", forcey_path),
                unittest.mock.call("gs://test-case-3", forcey_path),
                unittest.mock.call("gs://test-case-4", forcey_path),
            ],
        )

        self.assertEqual(
            persist_state_calls,
            [
                (
                    [
                        "gs://test-case-0",
                        "gs://test-case-1",
                        "gs://test-case-1.1",
                    ],
                    datetime.date(2020, 1, 1),
                ),
                (
                    [
                        "gs://test-case-0",
                        "gs://test-case-1",
                        "gs://test-case-1.1",
                        "gs://test-case-2",
                    ],
                    datetime.date(2020, 1, 2),
                ),
                (
                    [
                        "gs://test-case-0",
                        "gs://test-case-1",
                        "gs://test-case-1.1",
                        "gs://test-case-2",
                        "gs://test-case-3",
                    ],
                    datetime.date(2020, 1, 2),
                ),
                (
                    [
                        "gs://test-case-0",
                        "gs://test-case-1",
                        "gs://test-case-1.1",
                        "gs://test-case-2",
                        "gs://test-case-3",
                        "gs://test-case-4",
                    ],
                    datetime.date(2020, 1, 4),
                ),
                (
                    [
                        "gs://test-case-1",
                        "gs://test-case-1.1",
                        "gs://test-case-2",
                        "gs://test-case-3",
                        "gs://test-case-4",
                    ],
                    datetime.date(2020, 1, 4),
                ),
            ],
        )

    @unittest.mock.patch(
        "upload_lexan_crashes_to_forcey.download_and_unpack_test_case"
    )
    @unittest.mock.patch("subprocess.run")
    @unittest.mock.patch("upload_lexan_crashes_to_forcey.fetch_gs_file_size")
    def test_test_case_submission_functions(
        self,
        fetch_gs_file_size_mock,
        subprocess_run_mock,
        download_and_unpack_mock,
    ):
        fetch_gs_file_size_mock.return_value = 1024
        mock_gs_url = "gs://foo/bar/baz"

        def side_effect(gs_url: str, tempdir: str) -> None:
            self.assertEqual(gs_url, mock_gs_url)

            # All we need is an empty file here.
            open(os.path.join(tempdir, "test_case.c"), "w").close()
            with open(
                os.path.join(tempdir, "test_case.sh"), "w", encoding="utf-8"
            ) as f:
                f.write("# Crash reproducer for clang version 9.0.0 (...)\n")
                f.write("clang something or other\n")

        download_and_unpack_mock.side_effect = side_effect
        upload_lexan_crashes_to_forcey.submit_test_case(mock_gs_url, "4c")
        subprocess_run_mock.assert_not_called()

    @unittest.mock.patch("subprocess.run")
    def test_file_size_getting_functions(self, subprocess_run_mock):
        mock_gs_url = "gs://foo/bar/baz"

        def side_effect(cmd, **_kwargs) -> None:
            self.assertEqual(cmd, ["gsutil.py", "du", mock_gs_url])
            result = unittest.mock.MagicMock()
            result.stdout = f"1234 {mock_gs_url}"
            return result

        subprocess_run_mock.side_effect = side_effect
        size = upload_lexan_crashes_to_forcey.fetch_gs_file_size(mock_gs_url)
        self.assertEqual(size, 1234)
        subprocess_run_mock.assert_called_once()

    @unittest.mock.patch(
        "upload_lexan_crashes_to_forcey.download_and_unpack_test_case"
    )
    @unittest.mock.patch("subprocess.run")
    @unittest.mock.patch("upload_lexan_crashes_to_forcey.fetch_gs_file_size")
    def test_linker_tarballs_are_skipped(
        self,
        fetch_gs_file_size_mock,
        subprocess_run_mock,
        download_and_unpack_mock,
    ):
        fetch_gs_file_size_mock.return_value = 1024
        mock_gs_url = "gs://foo/bar/baz"

        def side_effect(gs_url: str, tempdir: str) -> None:
            self.assertEqual(gs_url, mock_gs_url)
            # All we need is an empty file here.
            open(os.path.join(tempdir, "test_case.tar"), "w").close()

        download_and_unpack_mock.side_effect = side_effect
        upload_lexan_crashes_to_forcey.submit_test_case(mock_gs_url, "4c")
        subprocess_run_mock.assert_not_called()


if __name__ == "__main__":
    unittest.main()