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"""Tests for sys.audit and sys.addaudithook
"""

import os
import subprocess
import sys
import unittest
from test import support

if not hasattr(sys, "addaudithook") or not hasattr(sys, "audit"):
    raise unittest.SkipTest("test only relevant when sys.audit is available")

AUDIT_TESTS_PY = support.findfile("audit-tests.py")


class AuditTest(unittest.TestCase):
    def do_test(self, *args):
        with subprocess.Popen(
            [sys.executable, "-X utf8", AUDIT_TESTS_PY, *args],
            encoding="utf-8",
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
        ) as p:
            p.wait()
            sys.stdout.writelines(p.stdout)
            sys.stderr.writelines(p.stderr)
            if p.returncode:
                self.fail(''.join(p.stderr))

    def test_basic(self):
        self.do_test("test_basic")

    def test_block_add_hook(self):
        self.do_test("test_block_add_hook")

    def test_block_add_hook_baseexception(self):
        self.do_test("test_block_add_hook_baseexception")

    def test_finalize_hooks(self):
        events = []
        with subprocess.Popen(
            [sys.executable, "-X utf8", AUDIT_TESTS_PY, "test_finalize_hooks"],
            encoding="utf-8",
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
        ) as p:
            p.wait()
            for line in p.stdout:
                events.append(line.strip().partition(" "))
            sys.stderr.writelines(p.stderr)
            if p.returncode:
                self.fail(''.join(p.stderr))

        firstId = events[0][2]
        self.assertSequenceEqual(
            [
                ("Created", " ", firstId),
                ("cpython._PySys_ClearAuditHooks", " ", firstId),
            ],
            events,
        )

    def test_pickle(self):
        support.import_module("pickle")

        self.do_test("test_pickle")

    def test_monkeypatch(self):
        self.do_test("test_monkeypatch")

    def test_open(self):
        self.do_test("test_open", support.TESTFN)

    def test_cantrace(self):
        self.do_test("test_cantrace")


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