mirror of https://github.com/pyodide/pyodide.git
169 lines
4.1 KiB
Python
169 lines
4.1 KiB
Python
"""
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Various common utilities for testing.
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"""
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import atexit
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import multiprocessing
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import os
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import pathlib
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import queue
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import sys
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try:
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import pytest
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except ImportError:
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pytest = None
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TEST_PATH = pathlib.Path(__file__).parents[0].resolve()
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BUILD_PATH = TEST_PATH / '..' / 'build'
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class PyodideInited:
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def __call__(self, driver):
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inited = driver.execute_script(
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"return window.pyodide && window.pyodide.runPython")
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return inited is not None
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class PackageLoaded:
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def __call__(self, driver):
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inited = driver.execute_script(
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"return window.done")
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return bool(inited)
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class SeleniumWrapper:
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def __init__(self):
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from selenium.webdriver.support.wait import WebDriverWait
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driver = self.get_driver()
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wait = WebDriverWait(driver, timeout=20)
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driver.get(f'http://127.0.0.1:{PORT}/test.html')
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wait.until(PyodideInited())
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self.wait = wait
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self.driver = driver
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@property
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def logs(self):
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return self.driver.execute_script("return window.logs")
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def run(self, code):
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return self.run_js(
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'return pyodide.runPython({!r})'.format(code))
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def run_js(self, code):
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return self.driver.execute_script(code)
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def load_package(self, packages):
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self.run_js(
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'window.done = false\n' +
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'pyodide.loadPackage({!r})'.format(packages) +
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'.then(function() { window.done = true; })')
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self.wait.until(PackageLoaded())
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@property
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def urls(self):
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for handle in self.driver.window_handles:
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self.driver.switch_to.window(handle)
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yield self.driver.current_url
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class FirefoxWrapper(SeleniumWrapper):
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def get_driver(self):
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from selenium.webdriver import Firefox
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from selenium.webdriver.firefox.options import Options
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from selenium.common.exceptions import JavascriptException
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options = Options()
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options.add_argument('-headless')
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self.JavascriptException = JavascriptException
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return Firefox(
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executable_path='geckodriver', firefox_options=options)
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class ChromeWrapper(SeleniumWrapper):
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def get_driver(self):
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from selenium.webdriver import Chrome
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from selenium.webdriver.chrome.options import Options
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from selenium.common.exceptions import WebDriverException
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options = Options()
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options.add_argument('--headless')
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self.JavascriptException = WebDriverException
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return Chrome(chrome_options=options)
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if pytest is not None:
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@pytest.fixture(params=['firefox', 'chrome'])
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def selenium(request):
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if request.param == 'firefox':
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cls = FirefoxWrapper
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elif request.param == 'chrome':
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cls = ChromeWrapper
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selenium = cls()
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try:
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yield selenium
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finally:
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print('\n'.join(str(x) for x in selenium.logs))
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selenium.driver.quit()
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PORT = 0
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def spawn_web_server():
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global PORT
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print("Spawning webserver...")
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q = multiprocessing.Queue()
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p = multiprocessing.Process(target=run_web_server, args=(q,))
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def shutdown_webserver():
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q.put("TERMINATE")
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p.join()
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atexit.register(shutdown_webserver)
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p.start()
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PORT = q.get()
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def run_web_server(q):
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import http.server
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import socketserver
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print("Running webserver...")
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os.chdir(BUILD_PATH)
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Handler = http.server.SimpleHTTPRequestHandler
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Handler.extensions_map['.wasm'] = 'application/wasm'
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def dummy_log(*args, **kwargs):
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pass
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Handler.log_message = dummy_log
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with socketserver.TCPServer(("", 0), Handler) as httpd:
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host, port = httpd.server_address
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print("serving at port", port)
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q.put(port)
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def service_actions():
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try:
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if q.get(False) == "TERMINATE":
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sys.exit(0)
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httpd.shutdown()
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except queue.Empty:
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pass
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httpd.service_actions = service_actions
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httpd.serve_forever()
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if multiprocessing.current_process().name == 'MainProcess':
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spawn_web_server()
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