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# ==--- opt_bug_reducer_test.py ------------------------------------------===#
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# ==----------------------------------------------------------------------===#
import os
import platform
import re
import shutil
import subprocess
import unittest
import bug_reducer.swift_tools as swift_tools
@unittest.skipUnless(platform.system() == 'Darwin',
'func_bug_reducer is only available on Darwin for now')
class FuncBugReducerTestCase(unittest.TestCase):
verbose = False
def setUp(self):
self.file_dir = os.path.dirname(os.path.abspath(__file__))
self.reducer = os.path.join(os.path.dirname(self.file_dir),
'bug_reducer', 'bug_reducer.py')
self.build_dir = os.path.abspath(
os.environ['BUGREDUCE_TEST_SWIFT_OBJ_ROOT'])
(root, _) = os.path.splitext(os.path.abspath(__file__))
self.root_basename = ''.join(os.path.basename(root).split('_'))
self.tmp_dir = os.path.join(
os.path.abspath(os.environ['BUGREDUCE_TEST_TMP_DIR']),
self.root_basename)
subprocess.call(['mkdir', '-p', self.tmp_dir])
self.module_cache = os.path.join(self.tmp_dir, 'module_cache')
self.sdk = subprocess.check_output(['xcrun', '--sdk', 'macosx',
'--toolchain', 'Default',
'--show-sdk-path']).strip("\n")
self.tools = swift_tools.SwiftTools(self.build_dir)
self.passes = ['--pass=-bug-reducer-tester']
if os.access(self.tmp_dir, os.F_OK):
shutil.rmtree(self.tmp_dir)
os.makedirs(self.tmp_dir)
os.makedirs(self.module_cache)
def _get_test_file_path(self, module_name):
return os.path.join(self.file_dir,
'{}_{}.swift'.format(
self.root_basename, module_name))
def _get_sib_file_path(self, filename):
(root, ext) = os.path.splitext(filename)
return os.path.join(self.tmp_dir, os.path.basename(root) + '.sib')
def run_swiftc_command(self, name):
input_file_path = self._get_test_file_path(name)
sib_path = self._get_sib_file_path(input_file_path)
args = [self.tools.swiftc,
'-module-cache-path', self.module_cache,
'-sdk', self.sdk,
'-Onone', '-parse-as-library',
'-module-name', name,
'-emit-sib',
'-resource-dir', os.path.join(self.build_dir, 'lib', 'swift'),
'-o', sib_path,
input_file_path]
return self.run_check_call(args)
def run_check_call(self, args):
if FuncBugReducerTestCase.verbose:
print('Cmd: {}'.format(' '.join(args)))
result_code = subprocess.check_call(args)
if FuncBugReducerTestCase.verbose:
print('Result Code: {}'.format(result_code))
return result_code
def run_check_output(self, args):
if FuncBugReducerTestCase.verbose:
print('Cmd: {}'.format(' '.join(args)))
raw_output = subprocess.check_output(args)
if FuncBugReducerTestCase.verbose:
print('Raw Output: {}'.format(raw_output))
return raw_output
def test_basic(self):
name = 'testbasic'
result_code = self.run_swiftc_command(name)
assert result_code == 0, "Failed initial compilation"
args = [
self.reducer,
'func',
self.build_dir,
self._get_sib_file_path(self._get_test_file_path(name)),
'--sdk=%s' % self.sdk,
'--module-cache=%s' % self.module_cache,
'--module-name=%s' % name,
'--work-dir=%s' % self.tmp_dir,
('--extra-silopt-arg='
'-bug-reducer-tester-target-func=__TF_test_target'),
'--extra-silopt-arg=-bug-reducer-tester-failure-kind=opt-crasher'
]
args.extend(self.passes)
output = self.run_check_output(args).split("\n")
self.assertTrue("*** Successfully Reduced file!" in output)
self.assertTrue("*** Final Functions: " +
"$s9testbasic6foo413yyF" in output)
re_end = 'testfuncbugreducer_testbasic_'
re_end += '92196894259b5d6c98d1b77f19240904.sib'
output_file_re = re.compile(r'\*\*\* Final File: .*' + re_end)
output_matches = [
1 for o in output if output_file_re.match(o) is not None]
self.assertEqual(sum(output_matches), 1)
# Make sure our final output command does not have -emit-sib in
# the output. We want users to get sil output when they type in
# the relevant command.
self.assertEqual([], [o for o in output if '-emit-sib' in o])
if __name__ == '__main__':
unittest.main()
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