testing/mozbase/mozcrash/tests/test_java_exception.py
author Marian-Vasile Laza <mlaza@mozilla.com>
Mon, 06 Feb 2023 13:45:17 +0200
changeset 651854 b06e825a4d8137434a1524b1ef7049f85cdc60d1
parent 647332 8e89f8e20ad6336c3cbb4d895d36077e46f6489b
permissions -rw-r--r--
Backed out changeset 8b3b3c83025d (bug 1797899) for bc failures on browser_AddonStudies.js. CLOSED TREE

#!/usr/bin/env python
# coding=UTF-8

import mozunit
import pytest


@pytest.fixture
def test_log():
    return [
        "01-30 20:15:41.937 E/GeckoAppShell( 1703): >>> "
        'REPORTING UNCAUGHT EXCEPTION FROM THREAD 9 ("GeckoBackgroundThread")',
        "01-30 20:15:41.937 E/GeckoAppShell( 1703): java.lang.NullPointerException",
        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
        "    at org.mozilla.gecko.GeckoApp$21.run(GeckoApp.java:1833)",
        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
        "    at android.os.Handler.handleCallback(Handler.java:587)",
    ]


def test_uncaught_exception(check_for_java_exception, test_log):
    """Test for an exception which should be caught."""
    assert 1 == check_for_java_exception(test_log)


def test_truncated_exception(check_for_java_exception, test_log):
    """Test for an exception which should be caught which was truncated."""
    truncated_log = list(test_log)
    truncated_log[0], truncated_log[1] = truncated_log[1], truncated_log[0]

    assert 1 == check_for_java_exception(truncated_log)


def test_unchecked_exception(check_for_java_exception, test_log):
    """Test for an exception which should not be caught."""
    passable_log = list(test_log)
    passable_log[0] = (
        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
        ' >>> NOT-SO-BAD EXCEPTION FROM THREAD 9 ("GeckoBackgroundThread")'
    )

    assert 0 == check_for_java_exception(passable_log)


def test_test_name_unicode(check_for_java_exception, test_log):
    """Test that check_for_crashes can handle unicode in dump_directory."""
    assert 1 == check_for_java_exception(test_log, test_name=u"🍪", quiet=False)


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