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#!/usr/bin/env python
# Copyright 2018 The Amber Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import base64
import difflib
import optparse
import os
import re
import subprocess
import sys
import tempfile
class TestCase:
def __init__(self, input_path, parse_only):
self.input_path = input_path
self.parse_only = parse_only
self.results = {}
def IsExpectedFail(self):
fail_re = re.compile('^.+[.]expect_fail[.]amber')
return fail_re.match(self.GetInputPath())
def IsParseOnly(self):
return self.parse_only
def GetInputPath(self):
return self.input_path
def GetResult(self, fmt):
return self.results[fmt]
class TestRunner:
def RunTest(self, tc):
print "Testing %s" % tc.GetInputPath()
cmd = [self.options.test_prog_path]
if tc.IsParseOnly():
cmd += ['-p']
cmd += [tc.GetInputPath()]
try:
err = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
if err != "" and not tc.IsExpectedFail():
sys.stdout.write(err)
return False
except Exception as e:
print e.output
if not tc.IsExpectedFail():
print e
return False
return True
def RunTests(self):
for tc in self.test_cases:
result = self.RunTest(tc)
if not tc.IsExpectedFail() and not result:
self.failures.append(tc.GetInputPath())
elif tc.IsExpectedFail() and result:
print("Expected: " + tc.GetInputPath() + " to fail but passed.")
self.failures.append(tc.GetInputPath())
def SummarizeResults(self):
if len(self.failures) > 0:
self.failures.sort()
print '\nSummary of Failures:'
for failure in self.failures:
print failure
print
print 'Test cases executed: %d' % len(self.test_cases)
print ' Successes: %d' % (len(self.test_cases) - len(self.failures))
print ' Failures: %d' % len(self.failures)
print
def Run(self):
base_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
usage = 'usage: %prog [options] (file)'
parser = optparse.OptionParser(usage=usage)
parser.add_option('--build-dir',
default=os.path.join(base_path, 'out', 'Debug'),
help='path to build directory')
parser.add_option('--test-dir',
default=os.path.join(os.path.dirname(__file__), 'cases'),
help='path to directory containing test files')
parser.add_option('--test-prog-path', default=None,
help='path to program to test')
parser.add_option('--parse-only',
action="store_true", default=False,
help='only parse test cases; do not execute')
self.options, self.args = parser.parse_args()
if self.options.test_prog_path == None:
test_prog = os.path.abspath(os.path.join(self.options.build_dir, 'amber'))
if not os.path.isfile(test_prog):
print "Cannot find test program %s" % test_prog
return 1
self.options.test_prog_path = test_prog
if not os.path.isfile(self.options.test_prog_path):
print "--test-prog-path must point to an executable"
return 1
input_file_re = re.compile('^.+[.]amber')
self.test_cases = []
if self.args:
for filename in self.args:
input_path = os.path.join(self.options.test_dir, filename)
if not os.path.isfile(input_path):
print "Cannot find test file '%s'" % filename
return 1
self.test_cases.append(TestCase(input_path, self.options.parse_only))
else:
for file_dir, _, filename_list in os.walk(self.options.test_dir):
for input_filename in filename_list:
if input_file_re.match(input_filename):
input_path = os.path.join(file_dir, input_filename)
if os.path.isfile(input_path):
self.test_cases.append(
TestCase(input_path, self.options.parse_only))
self.failures = []
self.RunTests()
self.SummarizeResults()
return len(self.failures) != 0
def main():
runner = TestRunner()
return runner.Run()
if __name__ == '__main__':
sys.exit(main())
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