Hello all, this is a long-overdue notification that our platform-api now has a new backend that provides simulated sensors (acceleration, proximity, light). Of these, our qtubuntu-sensors binding to the QtSensors API exports the acceleration sensor and builds an orientation sensor from it, which are the two things that phone apps actually use. With that you can write automatic tests for the behaviour of your app wrt. sensor events.
Documentation is at http://bazaar.launchpad.net/~phablet-team/platform-api/trunk/view/head:/src/ubuntu/testbackend/README.md It basically works like that: * You define a text file with the desired sensors, their properties, and the events that should happen. * You install libubuntu-application-api-test1 (make it a test dependency), and run your program under this environment: UBUNTU_PLATFORM_API_BACKEND=libubuntu_application_api_test.so.1 UBUNTU_PLATFORM_API_SENSOR_TEST=/path/to/sensor/data/file * If your test involves more than one scenario, it is advisable to run each of them in a separate subprocess so that events are independent from each other. libprocess-cpp provides a nice TESTP_F macro for that for gtest, and it's similarly easy to do that in Python. As a real-life (and production) example how this all works with Qt and gtest, you can look at the qtubuntu-sensor tests: http://bazaar.launchpad.net/~phablet-team/qtubuntu-sensors/trunk/files/head:/tests/ These are integration tests that use the QtSensors API (our "official" Ubuntu SDK API for apps) and test through the qtubuntu-sensors binding and the user-facing bits of platform-api. Note that this does not depend on any platform. It works on an x86 desktop just as well as on a phone or in an armhf package build. The very same approach should work for apps as well. Please talk to me if you want to do this and you run into trouble. There's certainly lots of stuff that we can simplify or improve (e. g. providing higher-level macros in the test sensor format, etc.). Thanks, Martin -- Martin Pitt | http://www.piware.de Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
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