Create attractive VASL scenarios, with loads of useful information embedded to assist with game play.
https://vasl-templates.org
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205 lines
8.1 KiB
205 lines
8.1 KiB
""" pytest support functions. """
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import os
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import threading
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import logging
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import tempfile
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import urllib.request
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from urllib.error import URLError
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import pytest
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from flask import url_for
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from vasl_templates.webapp import app
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app.testing = True
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from vasl_templates.webapp.tests import utils
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FLASK_WEBAPP_PORT = 5011
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# ---------------------------------------------------------------------
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def pytest_addoption( parser ):
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"""Configure pytest options."""
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# NOTE: This file needs to be in the project root for this to work :-/
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# add test options
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parser.addoption(
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"--server-url", action="store", dest="server_url", default=None,
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help="Webapp server to test against."
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)
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# NOTE: Chrome seems to be ~15% faster than Firefox, headless ~5% faster than headful.
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parser.addoption(
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"--webdriver", action="store", dest="webdriver", default="chrome",
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help="Webdriver to use."
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)
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parser.addoption(
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"--headless", action="store_true", dest="headless", default=False,
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help="Run the tests headless."
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)
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parser.addoption(
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"--window-size", action="store", dest="window_size", default="1000x700",
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help="Browser window size."
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)
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# add test options
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parser.addoption(
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"--short-tests", action="store_true", dest="short_tests", default=False,
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help="Run a shorter version of the test suite."
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)
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# NOTE: Some tests require the VASL module file(s). We don't want to put these into source control,
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# so we provide this option to allow the caller to specify where they live.
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parser.addoption(
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"--vasl-mods", action="store", dest="vasl_mods", default=None,
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help="Directory containing the VASL .vmod file(s)."
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)
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parser.addoption(
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"--vasl-extensions", action="store", dest="vasl_extensions", default=None,
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help="Directory containing the VASL extensions."
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)
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# NOTE: Some tests require VASSAL to be installed. This option allows the caller to specify
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# where it is (multiple installations can be placed in sub-directories).
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parser.addoption(
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"--vassal", action="store", dest="vassal", default=None,
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help="Directory containing VASSAL installation(s)."
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)
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# NOTE: Some tests require Chapter H vehicle/ordnance notes. This is copyrighted material,
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# so it is kept in a private repo.
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parser.addoption(
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"--vo-notes", action="store", dest="vo_notes", default=None,
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help="Directory containing Chapter H vehicle/ordnance notes and test results."
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)
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# NOTE: It's not good to have the code run differently to how it will normally,
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# but using the clipboard to retrieve snippets causes more trouble than it's worth :-/
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# since any kind of clipboard activity while the tests are running could cause them to fail
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# (even when running in a VM, if it's configured to share the physical host's clipboard :wall:).
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parser.addoption(
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"--use-clipboard", action="store_true", dest="use_clipboard", default=False,
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help="Use the clipboard to get snippets."
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)
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# ---------------------------------------------------------------------
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@pytest.fixture( scope="session" )
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def webapp():
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"""Launch the webapp."""
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# initialize
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server_url = pytest.config.option.server_url #pylint: disable=no-member
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logging.disable( logging.CRITICAL )
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# initialize
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# WTF?! https://github.com/pallets/flask/issues/824
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def make_webapp_url( endpoint, **kwargs ):
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"""Generate a webapp URL."""
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with app.test_request_context():
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# NOTE: When we perform actions at high speed, the notification balloons can build up
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# very quickly, causing problems by obscuring other elements and making them non-clickable :-/
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# We used to explicitly dismiss them, but it's simpler to just always disable them.
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kwargs["store_msgs"] = 1
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# stop the browser from checking for a dirty scenario when leaving the page
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kwargs["disable_close_window_check"] = 1
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# check if the tests are being run headless
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if pytest.config.option.headless: #pylint: disable=no-member
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# yup - there is no clipboard support :-/
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pytest.config.option.use_clipboard = False #pylint: disable=no-member
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# check if we should disable using the clipboard for snippets
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if not pytest.config.option.use_clipboard: #pylint: disable=no-member
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# NOTE: It's not a bad idea to bypass the clipboard, even when running in a browser,
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# to avoid problems if something else uses the clipboard while the tests are running.
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kwargs["store_clipboard"] = 1
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url = url_for( endpoint, _external=True, **kwargs )
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if server_url:
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url = url.replace( "http://localhost", server_url )
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else:
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url = url.replace( "localhost/", "localhost:{}/".format(FLASK_WEBAPP_PORT) )
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return url
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app.url_for = make_webapp_url
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# check if we need to start a local webapp server
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if not server_url:
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# yup - make it so
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thread = threading.Thread(
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target = lambda: app.run( host="0.0.0.0", port=FLASK_WEBAPP_PORT, use_reloader=False )
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)
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thread.start()
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# wait for the server to start up
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def is_ready():
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"""Try to connect to the webapp server."""
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try:
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resp = urllib.request.urlopen( app.url_for("ping") ).read()
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assert resp == b"pong"
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return True
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except URLError:
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return False
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except Exception as ex: #pylint: disable=broad-except
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assert False, "Unexpected exception: {}".format(ex)
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utils.wait_for( 5, is_ready )
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# return the server to the caller
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yield app
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# shutdown the local webapp server
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if not server_url:
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urllib.request.urlopen( app.url_for("shutdown") ).read()
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thread.join()
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@pytest.fixture( scope="session" )
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def test_client():
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"""Return a test client that can be used to connect to the webapp."""
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logging.disable( logging.CRITICAL )
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return app.test_client()
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@pytest.fixture( scope="session" )
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def webdriver( request ):
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"""Return a webdriver that can be used to control a browser.
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It would be nice to be able to drive the embedded browser in the wrapper
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Qt app with e.g. this:
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https://github.com/cisco-open-source/qtwebdriver
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but it only works with the old QtWebKit, which was removed in Qt 5.6 :-/
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"""
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# initialize
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driver = request.config.getoption( "--webdriver" )
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from selenium import webdriver as wb
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if driver == "firefox":
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options = wb.FirefoxOptions()
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options.set_headless( headless = pytest.config.option.headless ) #pylint: disable=no-member
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driver = wb.Firefox(
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firefox_options = options,
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log_path = os.path.join( tempfile.gettempdir(), "geckodriver.log" )
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)
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elif driver == "chrome":
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options = wb.ChromeOptions()
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options.set_headless( headless = pytest.config.option.headless ) #pylint: disable=no-member
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driver = wb.Chrome( chrome_options=options )
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elif driver == "ie":
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# NOTE: IE11 requires a registry key to be set:
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# https://github.com/SeleniumHQ/selenium/wiki/InternetExplorerDriver#required-configuration
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options = wb.IeOptions()
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if pytest.config.option.headless: #pylint: disable=no-member
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raise RuntimeError( "IE WebDriver cannot be run headless." )
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options.IntroduceInstabilityByIgnoringProtectedModeSettings = True
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options.EnsureCleanSession = True
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driver = wb.Ie( ie_options=options )
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else:
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raise RuntimeError( "Unknown webdriver: {}".format( driver ) )
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# set the browser size
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words = pytest.config.option.window_size.split( "x" ) #pylint: disable=no-member
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driver.set_window_size( int(words[0]), int(words[1]) )
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# return the webdriver to the caller
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try:
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yield driver
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finally:
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driver.quit()
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