619 lines
20 KiB
Python
619 lines
20 KiB
Python
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# -*- coding: utf-8 -*-
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"""Notebook Javascript Test Controller
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This module runs one or more subprocesses which will actually run the Javascript
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test suite.
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"""
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# Copyright (c) Jupyter Development Team.
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# Distributed under the terms of the Modified BSD License.
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from __future__ import absolute_import, print_function
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import argparse
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import json
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import multiprocessing.pool
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import os
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import re
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import requests
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import signal
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import sys
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import subprocess
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import time
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from io import BytesIO
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from threading import Thread, Lock, Event
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from unittest.mock import patch
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from jupyter_core.paths import jupyter_runtime_dir
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from ipython_genutils.py3compat import bytes_to_str, which
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from notebook._sysinfo import get_sys_info
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from ipython_genutils.tempdir import TemporaryDirectory
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from subprocess import TimeoutExpired
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def popen_wait(p, timeout):
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return p.wait(timeout)
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NOTEBOOK_SHUTDOWN_TIMEOUT = 10
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have = {}
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have['casperjs'] = bool(which('casperjs'))
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have['phantomjs'] = bool(which('phantomjs'))
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have['slimerjs'] = bool(which('slimerjs'))
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class StreamCapturer(Thread):
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daemon = True # Don't hang if main thread crashes
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started = False
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def __init__(self, echo=False):
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super(StreamCapturer, self).__init__()
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self.echo = echo
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self.streams = []
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self.buffer = BytesIO()
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self.readfd, self.writefd = os.pipe()
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self.buffer_lock = Lock()
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self.stop = Event()
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def run(self):
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self.started = True
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while not self.stop.is_set():
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chunk = os.read(self.readfd, 1024)
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with self.buffer_lock:
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self.buffer.write(chunk)
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if self.echo:
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sys.stdout.write(bytes_to_str(chunk))
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os.close(self.readfd)
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os.close(self.writefd)
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def reset_buffer(self):
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with self.buffer_lock:
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self.buffer.truncate(0)
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self.buffer.seek(0)
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def get_buffer(self):
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with self.buffer_lock:
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return self.buffer.getvalue()
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def ensure_started(self):
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if not self.started:
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self.start()
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def halt(self):
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"""Safely stop the thread."""
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if not self.started:
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return
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self.stop.set()
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os.write(self.writefd, b'\0') # Ensure we're not locked in a read()
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self.join()
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class TestController(object):
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"""Run tests in a subprocess
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"""
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#: str, test group to be executed.
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section = None
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#: list, command line arguments to be executed
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cmd = None
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#: dict, extra environment variables to set for the subprocess
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env = None
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#: list, TemporaryDirectory instances to clear up when the process finishes
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dirs = None
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#: subprocess.Popen instance
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process = None
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#: str, process stdout+stderr
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stdout = None
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def __init__(self):
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self.cmd = []
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self.env = {}
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self.dirs = []
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def setup(self):
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"""Create temporary directories etc.
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This is only called when we know the test group will be run. Things
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created here may be cleaned up by self.cleanup().
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"""
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pass
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def launch(self, buffer_output=False, capture_output=False):
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# print('*** ENV:', self.env) # dbg
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# print('*** CMD:', self.cmd) # dbg
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env = os.environ.copy()
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env.update(self.env)
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if buffer_output:
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capture_output = True
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self.stdout_capturer = c = StreamCapturer(echo=not buffer_output)
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c.start()
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stdout = c.writefd if capture_output else None
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stderr = subprocess.STDOUT if capture_output else None
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self.process = subprocess.Popen(self.cmd, stdout=stdout,
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stderr=stderr, env=env)
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def wait(self):
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self.process.wait()
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self.stdout_capturer.halt()
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self.stdout = self.stdout_capturer.get_buffer()
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return self.process.returncode
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def print_extra_info(self):
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"""Print extra information about this test run.
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If we're running in parallel and showing the concise view, this is only
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called if the test group fails. Otherwise, it's called before the test
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group is started.
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The base implementation does nothing, but it can be overridden by
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subclasses.
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"""
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return
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def cleanup_process(self):
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"""Cleanup on exit by killing any leftover processes."""
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subp = self.process
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if subp is None or (subp.poll() is not None):
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return # Process doesn't exist, or is already dead.
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try:
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print('Cleaning up stale PID: %d' % subp.pid)
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subp.kill()
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except: # (OSError, WindowsError) ?
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# This is just a best effort, if we fail or the process was
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# really gone, ignore it.
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pass
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else:
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for i in range(10):
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if subp.poll() is None:
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time.sleep(0.1)
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else:
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break
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if subp.poll() is None:
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# The process did not die...
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print('... failed. Manual cleanup may be required.')
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def cleanup(self):
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"Kill process if it's still alive, and clean up temporary directories"
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self.cleanup_process()
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for td in self.dirs:
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td.cleanup()
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__del__ = cleanup
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def get_js_test_dir():
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import notebook.tests as t
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return os.path.join(os.path.dirname(t.__file__), '')
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def all_js_groups():
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import glob
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test_dir = get_js_test_dir()
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all_subdirs = glob.glob(test_dir + '[!_]*/')
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return [os.path.relpath(x, test_dir) for x in all_subdirs]
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class JSController(TestController):
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"""Run CasperJS tests """
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requirements = ['casperjs']
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def __init__(self, section, xunit=True, engine='phantomjs', url=None):
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"""Create new test runner."""
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TestController.__init__(self)
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self.engine = engine
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self.section = section
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self.xunit = xunit
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self.url = url
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# run with a base URL that would be escaped,
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# to test that we don't double-escape URLs
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self.base_url = '/a@b/'
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self.slimer_failure = re.compile('^FAIL.*', flags=re.MULTILINE)
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js_test_dir = get_js_test_dir()
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includes = '--includes=' + os.path.join(js_test_dir,'util.js')
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test_cases = os.path.join(js_test_dir, self.section)
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self.cmd = ['casperjs', 'test', includes, test_cases, '--engine=%s' % self.engine]
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def setup(self):
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self.ipydir = TemporaryDirectory()
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self.config_dir = TemporaryDirectory()
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self.nbdir = TemporaryDirectory()
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self.home = TemporaryDirectory()
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self.env = {
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'HOME': self.home.name,
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'JUPYTER_CONFIG_DIR': self.config_dir.name,
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'IPYTHONDIR': self.ipydir.name,
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}
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self.dirs.append(self.ipydir)
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self.dirs.append(self.home)
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self.dirs.append(self.config_dir)
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self.dirs.append(self.nbdir)
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os.makedirs(os.path.join(self.nbdir.name, os.path.join(u'sub ∂ir1', u'sub ∂ir 1a')))
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os.makedirs(os.path.join(self.nbdir.name, os.path.join(u'sub ∂ir2', u'sub ∂ir 1b')))
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if self.xunit:
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self.add_xunit()
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# If a url was specified, use that for the testing.
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if self.url:
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try:
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alive = requests.get(self.url).status_code == 200
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except:
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alive = False
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if alive:
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self.cmd.append("--url=%s" % self.url)
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else:
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raise Exception('Could not reach "%s".' % self.url)
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else:
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# start the ipython notebook, so we get the port number
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self.server_port = 0
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self._init_server()
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if self.server_port:
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self.cmd.append('--url=http://localhost:%i%s' % (self.server_port, self.base_url))
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else:
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# don't launch tests if the server didn't start
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self.cmd = [sys.executable, '-c', 'raise SystemExit(1)']
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def add_xunit(self):
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xunit_file = os.path.abspath(self.section.replace('/','.') + '.xunit.xml')
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self.cmd.append('--xunit=%s' % xunit_file)
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def launch(self, buffer_output):
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# If the engine is SlimerJS, we need to buffer the output because
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# SlimerJS does not support exit codes, so CasperJS always returns 0.
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if self.engine == 'slimerjs' and not buffer_output:
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return super(JSController, self).launch(capture_output=True)
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else:
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return super(JSController, self).launch(buffer_output=buffer_output)
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def wait(self, *pargs, **kwargs):
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"""Wait for the JSController to finish"""
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ret = super(JSController, self).wait(*pargs, **kwargs)
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# If this is a SlimerJS controller, check the captured stdout for
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# errors. Otherwise, just return the return code.
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if self.engine == 'slimerjs':
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stdout = bytes_to_str(self.stdout)
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if ret != 0:
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# This could still happen e.g. if it's stopped by SIGINT
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return ret
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return bool(self.slimer_failure.search(stdout))
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else:
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return ret
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def print_extra_info(self):
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print("Running tests with notebook directory %r" % self.nbdir.name)
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@property
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def will_run(self):
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should_run = all(have[a] for a in self.requirements + [self.engine])
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return should_run
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def _init_server(self):
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"Start the notebook server in a separate process"
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self.server_command = command = [sys.executable,
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'-m', 'notebook',
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'--no-browser',
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'--notebook-dir', self.nbdir.name,
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'--NotebookApp.token=',
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'--NotebookApp.base_url=%s' % self.base_url,
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]
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# ipc doesn't work on Windows, and darwin has crazy-long temp paths,
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# which run afoul of ipc's maximum path length.
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if sys.platform.startswith('linux'):
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command.append('--KernelManager.transport=ipc')
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self.stream_capturer = c = StreamCapturer()
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c.start()
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env = os.environ.copy()
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env.update(self.env)
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self.server = subprocess.Popen(command,
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stdout = c.writefd,
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stderr = subprocess.STDOUT,
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cwd=self.nbdir.name,
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env=env,
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)
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with patch.dict('os.environ', {'HOME': self.home.name}):
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runtime_dir = jupyter_runtime_dir()
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self.server_info_file = os.path.join(runtime_dir,
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'nbserver-%i.json' % self.server.pid
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)
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self._wait_for_server()
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def _wait_for_server(self):
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"""Wait 30 seconds for the notebook server to start"""
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for i in range(300):
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if self.server.poll() is not None:
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return self._failed_to_start()
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if os.path.exists(self.server_info_file):
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try:
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self._load_server_info()
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except ValueError:
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# If the server is halfway through writing the file, we may
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# get invalid JSON; it should be ready next iteration.
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pass
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else:
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return
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time.sleep(0.1)
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print("Notebook server-info file never arrived: %s" % self.server_info_file,
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file=sys.stderr
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)
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def _failed_to_start(self):
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"""Notebook server exited prematurely"""
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captured = self.stream_capturer.get_buffer().decode('utf-8', 'replace')
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print("Notebook failed to start: ", file=sys.stderr)
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print(self.server_command)
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print(captured, file=sys.stderr)
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def _load_server_info(self):
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"""Notebook server started, load connection info from JSON"""
|
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with open(self.server_info_file) as f:
|
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info = json.load(f)
|
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self.server_port = info['port']
|
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def cleanup(self):
|
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if hasattr(self, 'server'):
|
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try:
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self.server.terminate()
|
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except OSError:
|
||
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# already dead
|
||
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pass
|
||
|
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# wait 10s for the server to shutdown
|
||
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try:
|
||
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popen_wait(self.server, NOTEBOOK_SHUTDOWN_TIMEOUT)
|
||
|
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except TimeoutExpired:
|
||
|
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# server didn't terminate, kill it
|
||
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try:
|
||
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print("Failed to terminate notebook server, killing it.",
|
||
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file=sys.stderr
|
||
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)
|
||
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self.server.kill()
|
||
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except OSError:
|
||
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# already dead
|
||
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pass
|
||
|
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# wait another 10s
|
||
|
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try:
|
||
|
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popen_wait(self.server, NOTEBOOK_SHUTDOWN_TIMEOUT)
|
||
|
|
except TimeoutExpired:
|
||
|
|
print("Notebook server still running (%s)" % self.server_info_file,
|
||
|
|
file=sys.stderr
|
||
|
|
)
|
||
|
|
|
||
|
|
self.stream_capturer.halt()
|
||
|
|
TestController.cleanup(self)
|
||
|
|
|
||
|
|
|
||
|
|
def prepare_controllers(options):
|
||
|
|
"""Returns two lists of TestController instances, those to run, and those
|
||
|
|
not to run."""
|
||
|
|
testgroups = options.testgroups
|
||
|
|
if not testgroups:
|
||
|
|
testgroups = all_js_groups()
|
||
|
|
|
||
|
|
engine = 'slimerjs' if options.slimerjs else 'phantomjs'
|
||
|
|
c_js = [JSController(name, xunit=options.xunit, engine=engine, url=options.url) for name in testgroups]
|
||
|
|
|
||
|
|
controllers = c_js
|
||
|
|
to_run = [c for c in controllers if c.will_run]
|
||
|
|
not_run = [c for c in controllers if not c.will_run]
|
||
|
|
return to_run, not_run
|
||
|
|
|
||
|
|
def do_run(controller, buffer_output=True):
|
||
|
|
"""Setup and run a test controller.
|
||
|
|
|
||
|
|
If buffer_output is True, no output is displayed, to avoid it appearing
|
||
|
|
interleaved. In this case, the caller is responsible for displaying test
|
||
|
|
output on failure.
|
||
|
|
|
||
|
|
Returns
|
||
|
|
-------
|
||
|
|
controller : TestController
|
||
|
|
The same controller as passed in, as a convenience for using map() type
|
||
|
|
APIs.
|
||
|
|
exitcode : int
|
||
|
|
The exit code of the test subprocess. Non-zero indicates failure.
|
||
|
|
"""
|
||
|
|
try:
|
||
|
|
try:
|
||
|
|
controller.setup()
|
||
|
|
if not buffer_output:
|
||
|
|
controller.print_extra_info()
|
||
|
|
controller.launch(buffer_output=buffer_output)
|
||
|
|
except Exception:
|
||
|
|
import traceback
|
||
|
|
traceback.print_exc()
|
||
|
|
return controller, 1 # signal failure
|
||
|
|
|
||
|
|
exitcode = controller.wait()
|
||
|
|
return controller, exitcode
|
||
|
|
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
return controller, -signal.SIGINT
|
||
|
|
finally:
|
||
|
|
controller.cleanup()
|
||
|
|
|
||
|
|
def report():
|
||
|
|
"""Return a string with a summary report of test-related variables."""
|
||
|
|
inf = get_sys_info()
|
||
|
|
out = []
|
||
|
|
def _add(name, value):
|
||
|
|
out.append((name, value))
|
||
|
|
|
||
|
|
_add('Python version', inf['sys_version'].replace('\n',''))
|
||
|
|
_add('sys.executable', inf['sys_executable'])
|
||
|
|
_add('Platform', inf['platform'])
|
||
|
|
|
||
|
|
width = max(len(n) for (n,v) in out)
|
||
|
|
out = ["{:<{width}}: {}\n".format(n, v, width=width) for (n,v) in out]
|
||
|
|
|
||
|
|
avail = []
|
||
|
|
not_avail = []
|
||
|
|
|
||
|
|
for k, is_avail in have.items():
|
||
|
|
if is_avail:
|
||
|
|
avail.append(k)
|
||
|
|
else:
|
||
|
|
not_avail.append(k)
|
||
|
|
|
||
|
|
if avail:
|
||
|
|
out.append('\nTools and libraries available at test time:\n')
|
||
|
|
avail.sort()
|
||
|
|
out.append(' ' + ' '.join(avail)+'\n')
|
||
|
|
|
||
|
|
if not_avail:
|
||
|
|
out.append('\nTools and libraries NOT available at test time:\n')
|
||
|
|
not_avail.sort()
|
||
|
|
out.append(' ' + ' '.join(not_avail)+'\n')
|
||
|
|
|
||
|
|
return ''.join(out)
|
||
|
|
|
||
|
|
def run_jstestall(options):
|
||
|
|
"""Run the entire Javascript test suite.
|
||
|
|
|
||
|
|
This function constructs TestControllers and runs them in subprocesses.
|
||
|
|
|
||
|
|
Parameters
|
||
|
|
----------
|
||
|
|
|
||
|
|
All parameters are passed as attributes of the options object.
|
||
|
|
|
||
|
|
testgroups : list of str
|
||
|
|
Run only these sections of the test suite. If empty, run all the available
|
||
|
|
sections.
|
||
|
|
|
||
|
|
fast : int or None
|
||
|
|
Run the test suite in parallel, using n simultaneous processes. If None
|
||
|
|
is passed, one process is used per CPU core. Default 1 (i.e. sequential)
|
||
|
|
|
||
|
|
inc_slow : bool
|
||
|
|
Include slow tests. By default, these tests aren't run.
|
||
|
|
|
||
|
|
slimerjs : bool
|
||
|
|
Use slimerjs if it's installed instead of phantomjs for casperjs tests.
|
||
|
|
|
||
|
|
url : unicode
|
||
|
|
Address:port to use when running the JS tests.
|
||
|
|
|
||
|
|
xunit : bool
|
||
|
|
Produce Xunit XML output. This is written to multiple foo.xunit.xml files.
|
||
|
|
|
||
|
|
extra_args : list
|
||
|
|
Extra arguments to pass to the test subprocesses, e.g. '-v'
|
||
|
|
"""
|
||
|
|
to_run, not_run = prepare_controllers(options)
|
||
|
|
|
||
|
|
def justify(ltext, rtext, width=70, fill='-'):
|
||
|
|
ltext += ' '
|
||
|
|
rtext = (' ' + rtext).rjust(width - len(ltext), fill)
|
||
|
|
return ltext + rtext
|
||
|
|
|
||
|
|
# Run all test runners, tracking execution time
|
||
|
|
failed = []
|
||
|
|
t_start = time.time()
|
||
|
|
|
||
|
|
print()
|
||
|
|
if options.fast == 1:
|
||
|
|
# This actually means sequential, i.e. with 1 job
|
||
|
|
for controller in to_run:
|
||
|
|
print('Test group:', controller.section)
|
||
|
|
sys.stdout.flush() # Show in correct order when output is piped
|
||
|
|
controller, res = do_run(controller, buffer_output=False)
|
||
|
|
if res:
|
||
|
|
failed.append(controller)
|
||
|
|
if res == -signal.SIGINT:
|
||
|
|
print("Interrupted")
|
||
|
|
break
|
||
|
|
print()
|
||
|
|
|
||
|
|
else:
|
||
|
|
# Run tests concurrently
|
||
|
|
try:
|
||
|
|
pool = multiprocessing.pool.ThreadPool(options.fast)
|
||
|
|
for (controller, res) in pool.imap_unordered(do_run, to_run):
|
||
|
|
res_string = 'OK' if res == 0 else 'FAILED'
|
||
|
|
print(justify('Test group: ' + controller.section, res_string))
|
||
|
|
if res:
|
||
|
|
controller.print_extra_info()
|
||
|
|
print(bytes_to_str(controller.stdout))
|
||
|
|
failed.append(controller)
|
||
|
|
if res == -signal.SIGINT:
|
||
|
|
print("Interrupted")
|
||
|
|
break
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
return
|
||
|
|
|
||
|
|
for controller in not_run:
|
||
|
|
print(justify('Test group: ' + controller.section, 'NOT RUN'))
|
||
|
|
|
||
|
|
t_end = time.time()
|
||
|
|
t_tests = t_end - t_start
|
||
|
|
nrunners = len(to_run)
|
||
|
|
nfail = len(failed)
|
||
|
|
# summarize results
|
||
|
|
print('_'*70)
|
||
|
|
print('Test suite completed for system with the following information:')
|
||
|
|
print(report())
|
||
|
|
took = "Took %.3fs." % t_tests
|
||
|
|
print('Status: ', end='')
|
||
|
|
if not failed:
|
||
|
|
print('OK (%d test groups).' % nrunners, took)
|
||
|
|
else:
|
||
|
|
# If anything went wrong, point out what command to rerun manually to
|
||
|
|
# see the actual errors and individual summary
|
||
|
|
failed_sections = [c.section for c in failed]
|
||
|
|
print('ERROR - {} out of {} test groups failed ({}).'.format(nfail,
|
||
|
|
nrunners, ', '.join(failed_sections)), took)
|
||
|
|
print()
|
||
|
|
print('You may wish to rerun these, with:')
|
||
|
|
print(' python -m notebook.jstest', *failed_sections)
|
||
|
|
print()
|
||
|
|
|
||
|
|
if failed:
|
||
|
|
# Ensure that our exit code indicates failure
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
argparser = argparse.ArgumentParser(description='Run Jupyter Notebook Javascript tests')
|
||
|
|
argparser.add_argument('testgroups', nargs='*',
|
||
|
|
help='Run specified groups of tests. If omitted, run '
|
||
|
|
'all tests.')
|
||
|
|
argparser.add_argument('--slimerjs', action='store_true',
|
||
|
|
help="Use slimerjs if it's installed instead of phantomjs for casperjs tests.")
|
||
|
|
argparser.add_argument('--url', help="URL to use for the JS tests.")
|
||
|
|
argparser.add_argument('-j', '--fast', nargs='?', const=None, default=1, type=int,
|
||
|
|
help='Run test sections in parallel. This starts as many '
|
||
|
|
'processes as you have cores, or you can specify a number.')
|
||
|
|
argparser.add_argument('--xunit', action='store_true',
|
||
|
|
help='Produce Xunit XML results')
|
||
|
|
argparser.add_argument('--subproc-streams', default='capture',
|
||
|
|
help="What to do with stdout/stderr from subprocesses. "
|
||
|
|
"'capture' (default), 'show' and 'discard' are the options.")
|
||
|
|
|
||
|
|
def default_options():
|
||
|
|
"""Get an argparse Namespace object with the default arguments, to pass to
|
||
|
|
:func:`run_iptestall`.
|
||
|
|
"""
|
||
|
|
options = argparser.parse_args([])
|
||
|
|
options.extra_args = []
|
||
|
|
return options
|
||
|
|
|
||
|
|
def main():
|
||
|
|
try:
|
||
|
|
ix = sys.argv.index('--')
|
||
|
|
except ValueError:
|
||
|
|
to_parse = sys.argv[1:]
|
||
|
|
extra_args = []
|
||
|
|
else:
|
||
|
|
to_parse = sys.argv[1:ix]
|
||
|
|
extra_args = sys.argv[ix+1:]
|
||
|
|
|
||
|
|
options = argparser.parse_args(to_parse)
|
||
|
|
options.extra_args = extra_args
|
||
|
|
|
||
|
|
run_jstestall(options)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|