I have a simple little Flask app and created a suitably simple test script,
aimed at making sure I covered much of the executable code. It fires up the
app with coverage enabled and hits it with a bunch of requests, then exits.
When testing, I have coverage enabled:
CMD="$(which flask) run -h localhost -p $PORT"
if [ "x$DOCOVER" = "xtrue" ] ; then
coverage run -a $CMD
else
$CMD
fi
Coverage seems to do the right thing, creating a .coverage file on exit,
and when I run the annotate, report, or html commands it does the right
thing. Still, it never actually marks any statements within functions as
having been executed. Here's coverage from a manual run where I poked the
server with three debug endpoints:
> if FLASK_DEBUG:
> @app.route("/env")
> def printenv():
! return jsonify(dict(os.environ))
> @app.route('/api/help')
> def app_help():
> """Print available functions."""
! func_list = {}
! for rule in app.url_map.iter_rules():
! if rule.endpoint != 'static':
! func_list[rule.rule] =
str(app.view_functions[rule.endpoint])
! return jsonify(func_list)
> @app.get('/shutdown')
> def shutdown():
! func = request.environ.get('werkzeug.server.shutdown')
! if func is None:
! raise RuntimeError('Not running with the Werkzeug Server')
! func()
! return 'Server shutting down...\n'
Clearly, coverage noticed the action which happened during import, but
despite the fact that I really did request /env, /api/help, and /shutdown,
it never thought any of them were called.
Any idea what I'm missing?
Thx,
Skip Montanaro
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