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I'd like manage my Arduino source code (projects and libraries) under source control with continuous testing. How can I automatically compile the code with continuous integration tools, to make sure each version compiles cleanly? In the best case one should be able to configure builds for multiple processors, optionally run unit tests and check for maximum binary size.

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Other than passing it through Ino and avr-size? –  Ignacio Vazquez-Abrams Jan 16 at 17:01
    
@IgnacioVazquez-Abrams I don't mind which tools to use, but it should run automatically on some cloud hosting or continuous integration service. –  Jakob Jan 16 at 17:03
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Compiling binary size isn't that hard, but to do unit tests, you would have to structure your code in such a way that it is unit-testable, which is hard enough if you want to keep size small. Besides, you will need to run those test on a chip or in an emulator to get a test that is more or less reliable. –  GolezTrol Jan 16 at 19:46
    
I found github.com/kyab/travis-test-arduino but its experimental and a comprehensive answer/tutorial as answer would be better. –  Jakob Jan 18 at 16:58
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The issue with this is it goes against the original purpose of continuous integration: it's meant to push changes and then have it automatically build and deploy within minutes. This allows your customers to get the latest features and fixes as they happen, instead of every two months. For Arduino it's just "cloud making sure it builds." For unit tests you might have to bypass the Arduino libraries to build functions and send example data over the "pins." –  Annonomus Penguin♦ Jan 18 at 17:13

2 Answers 2

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One example of setting up Jenkins continuous integration for Arduino project can be found here: Continuous integration for embedded systems

The example shows how to build and upload image to Arduino and execute Selenium web tests (the system under test is Arduino-based web-server).

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nice because it use some existing software witch is feature rich. but it seems to do only web testing; can you please expand the answer? also link-based answer are bad. –  lesto Mar 3 at 15:59
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Newest version of Arduino ide has a command line interface to build and upload code. But you can obviously do it by makefile and avrdude. Now, you have compiled your code BUT you need testing. As simulator are complex,incomplete, expansive and.. Just a simulation, and because the chip are relatively cheap, building a board witch will make HW interaction AND check the results its the fastest and easiest way. On that "special" board you may upload something like an interpreter witch take a test from the PC and execute it, something similar to firmata for arduino. At least that is how I would build it. And as far as I know there are no know implementation of this, even if I'm quite sure many industries should and probably do that.

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