xref: /llvm-project/cross-project-tests/debuginfo-tests/dexter/dex/utils/UnitTests.py (revision f98ee40f4b5d7474fc67e82824bf6abbaedb7b1c)
1# DExTer : Debugging Experience Tester
2# ~~~~~~   ~         ~~         ~   ~~
3#
4# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5# See https://llvm.org/LICENSE.txt for license information.
6# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7"""Unit test harness."""
8
9from fnmatch import fnmatch
10import os
11import unittest
12
13from io import StringIO
14
15from dex.utils import is_native_windows, has_pywin32
16from dex.utils import PreserveAutoColors, PrettyOutput
17from dex.utils import Timer
18
19
20class DexTestLoader(unittest.TestLoader):
21    def _match_path(self, path, full_path, pattern):
22        """Don't try to import platform-specific modules for the wrong platform
23        during test discovery.
24        """
25        d = os.path.basename(os.path.dirname(full_path))
26        if is_native_windows():
27            if d == "posix":
28                return False
29            if d == "windows":
30                return has_pywin32()
31        else:
32            if d == "windows":
33                return False
34            elif d == "dbgeng":
35                return False
36        return fnmatch(path, pattern)
37
38
39def unit_tests_ok(context):
40    unittest.TestCase.maxDiff = None  # remove size limit from diff output.
41
42    with Timer("unit tests"):
43        suite = DexTestLoader().discover(context.root_directory, pattern="*.py")
44        stream = StringIO()
45        result = unittest.TextTestRunner(verbosity=2, stream=stream).run(suite)
46
47        ok = result.wasSuccessful()
48        if not ok or context.options.unittest == "show-all":
49            with PreserveAutoColors(context.o):
50                context.o.auto_reds.extend([r"FAIL(ED|\:)", r"\.\.\.\s(FAIL|ERROR)$"])
51                context.o.auto_greens.extend([r"^OK$", r"\.\.\.\sok$"])
52                context.o.auto_blues.extend([r"^Ran \d+ test"])
53                context.o.default("\n")
54                for line in stream.getvalue().splitlines(True):
55                    context.o.auto(line, stream=PrettyOutput.stderr)
56
57        return ok
58
59
60class TestUnitTests(unittest.TestCase):
61    def test_sanity(self):
62        self.assertEqual(1, 1)
63