blob: a6086d96c9a8d7524c624ffc5f8e3a9b00a99507 [file] [log] [blame]
Kaido Kertf309f9a2021-04-30 12:09:15 -07001#!/usr/bin/env python
2# Copyright 2020 the V8 project authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import os
7import re
8import subprocess
9import sys
10import tempfile
11import unittest
12
13TOOLS_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
14COMPARE_SCRIPT = os.path.join(TOOLS_DIR, 'compare_torque_output.py')
15TEST_DATA = os.path.join(TOOLS_DIR, 'unittests', 'testdata', 'compare_torque')
16
17
18class PredictableTest(unittest.TestCase):
19 def setUp(self):
20 fd, self.tmp_file = tempfile.mkstemp()
21 os.close(fd)
22
23 def _compare_from(self, test_folder):
24 file1 = os.path.join(TEST_DATA, test_folder, 'f1')
25 file2 = os.path.join(TEST_DATA, test_folder, 'f2')
26 proc = subprocess.Popen([
27 'python', '-u',
28 COMPARE_SCRIPT, file1, file2, self.tmp_file
29 ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
30 _, err = proc.communicate()
31 return proc.returncode, err
32
33 def test_content_diff(self):
34 exitcode, output = self._compare_from('test1')
35 self.assertEqual(1, exitcode)
36 full_match = r'^Found.*-line 2\+line 2 with diff.*\+line 3\n\n$'
37 self.assertRegexpMatches(output, re.compile(full_match, re.M | re.S))
38
39 def test_no_diff(self):
40 exitcode, output = self._compare_from('test2')
41 self.assertEqual(0, exitcode)
42 self.assertFalse(output)
43
44 def test_right_only(self):
45 exitcode, output = self._compare_from('test3')
46 self.assertEqual(1, exitcode)
47 self.assertRegexpMatches(output, r'Some files exist only in.*f2\nfile3')
48
49 def test_left_only(self):
50 exitcode, output = self._compare_from('test4')
51 self.assertEqual(1, exitcode)
52 self.assertRegexpMatches(output, r'Some files exist only in.*f1\nfile4')
53
54 def tearDown(self):
55 os.unlink(self.tmp_file)