runtests.py
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#!/usr/bin/env python
import json
import os
import signal
import subprocess
import unittest
TEST_ROOT = os.path.abspath(os.path.dirname(__file__))
CASPERJS_ROOT = os.path.abspath(os.path.join(TEST_ROOT, '..', '..'))
CASPER_EXEC = os.path.join(CASPERJS_ROOT, 'bin', 'casperjs')
class TimeoutException(Exception):
pass
def timeout(timeout_time):
def timeout_function(f):
def f2(*args):
def timeout_handler(signum, frame):
raise TimeoutException()
old_handler = signal.signal(signal.SIGALRM, timeout_handler)
signal.alarm(timeout_time) # triger alarm in timeout_time seconds
try:
retval = f(*args)
except TimeoutException:
raise AssertionError('timeout of %ds. exhausted' % timeout_time)
finally:
signal.signal(signal.SIGALRM, old_handler)
signal.alarm(0)
return retval
return f2
return timeout_function
class CasperExecTest(unittest.TestCase):
def setUp(self):
with open(os.path.join(CASPERJS_ROOT, 'package.json')) as f:
self.pkg_version = json.load(f).get('version')
def runCommand(self, cmd, **kwargs):
failing = kwargs.get('failing', False)
cmd_args = [CASPER_EXEC, '--no-colors'] + cmd.split(' ')
try:
return subprocess.check_output(cmd_args).strip()
if failing:
raise AssertionError('Command %s has not failed' % cmd)
except subprocess.CalledProcessError as err:
if failing:
return err.output
else:
raise IOError('Command %s exited with status %s'
% (cmd, err.errorcode))
def assertCommandOutputEquals(self, cmd, result, **kwargs):
self.assertEquals(self.runCommand(cmd), result)
def assertCommandOutputContains(self, cmd, what, **kwargs):
if not what:
raise AssertionError('Empty lookup')
if isinstance(what, (list, tuple)):
for entry in what:
self.assertIn(entry, self.runCommand(cmd, **kwargs))
else:
self.assertIn(what, self.runCommand(cmd))
@timeout(20)
def test_version(self):
self.assertCommandOutputEquals('--version', self.pkg_version)
@timeout(20)
def test_help(self):
self.assertCommandOutputContains('--help', self.pkg_version)
@timeout(20)
def test_require(self):
script_path = os.path.join(TEST_ROOT, 'modules', 'test.js')
self.assertCommandOutputEquals(script_path, 'hello, world')
@timeout(20)
def test_simple_script(self):
script_path = os.path.join(TEST_ROOT, 'scripts', 'script.js')
self.assertCommandOutputEquals(script_path, 'it works')
@timeout(20)
def test_simple_test_script(self):
script_path = os.path.join(TEST_ROOT, 'tester', 'mytest.js')
self.assertCommandOutputContains('test ' + script_path, [
script_path,
'PASS ok1',
'PASS ok2',
'PASS ok3',
'3 tests executed',
'3 passed',
'0 failed',
])
@timeout(20)
def test_new_style_test(self):
# using begin()
script_path = os.path.join(TEST_ROOT, 'tester', 'passing.js')
self.assertCommandOutputContains('test ' + script_path, [
script_path,
'# true',
'PASS Subject is strictly true',
'PASS 1 tests executed',
'1 passed',
'0 failed',
])
@timeout(20)
def test_new_failing_test(self):
# using begin()
script_path = os.path.join(TEST_ROOT, 'tester', 'failing.js')
self.assertCommandOutputContains('test ' + script_path, [
script_path,
'# true',
'FAIL Subject is strictly true',
'# type: assert',
'# file: %s:3' % script_path,
'# code: test.assert(false);',
'# subject: false',
'FAIL 1 tests executed',
'0 passed',
'1 failed.',
], failing=True)
@timeout(60)
def test_full_suite(self):
folder_path = os.path.join(TEST_ROOT, 'tester')
failing_script = os.path.join(folder_path, 'failing.js')
passsing_script = os.path.join(folder_path, 'passing.js')
mytest_script = os.path.join(folder_path, 'mytest.js')
self.assertCommandOutputContains('test ' + folder_path, [
'Test file: %s' % failing_script,
'# true',
'FAIL Subject is strictly true',
'# type: assert',
'# file: %s:3' % failing_script,
'# code: test.assert(false);',
'# subject: false',
'Test file: %s' % mytest_script,
'PASS ok1',
'PASS ok2',
'PASS ok3',
'Test file: %s' % passsing_script,
'# true',
'PASS Subject is strictly true',
'FAIL 5 tests executed',
'4 passed',
'1 failed',
'Details for the 1 failed test:',
'assert: Subject is strictly true',
], failing=True)
@timeout(60)
def test_fail_fast(self):
folder_path = os.path.join(TEST_ROOT, 'fail-fast')
self.assertCommandOutputContains('test %s --fail-fast' % folder_path, [
'# test 1',
'# test 2',
'--fail-fast: aborted all remaining tests',
'FAIL 2 tests executed',
'1 passed',
'1 failed',
], failing=True)
if __name__ == '__main__':
unittest.main()