:title: avocado :subtitle: test runner command line tool :title_upper: AVOCADO :manual_section: 1 SYNOPSIS ======== avocado [-h] [-v] [-V] [--logdir LOGDIR] [--loglevel LOG_LEVEL] [--plugins PLUGINS_DIR] {run,list,sysinfo,multiplex,plugins,datadir} ... DESCRIPTION =========== Avocado is an experimental test framework that is built on the experience accumulated with `autotest` (`http://autotest.github.io`). `avocado` is also the name of its test runner command line tool. OPTIONS ======= The following list of options are builtin, application level `avocado` options. Most other options are implemented via plugins and will depend on them being loaded:: -h, --help show this help message and exit -v, --version show program's version number and exit -V, --verbose print extra debug messages --logdir LOGDIR Alternate logs directory --loglevel LOG_LEVEL Debug Level --plugins PLUGINS_DIR Load extra plugins from directory Real use of avocado depends on running avocado subcommands. This a typical list of avocado subcommands:: run Run one or more tests (test module in .py, test alias or dropin) list List available test modules sysinfo Collect system information multiplex Generate a list of dictionaries with params from a multiplex file plugins List all plugins loaded datadir List all relevant directories used by avocado To get usage instructions for a given subcommand run it with `--help`. Example:: $ avocado multiplex --help usage: avocado multiplex [-h] [-t] [-c] [multiplex_file] positional arguments: multiplex_file Path to a multiplex file optional arguments: -h, --help show this help message and exit -t, --tree Shows the multiplex tree structure -c, --contents Keep temporary files generated by tests RUNNING A TEST ============== The most common use of the `avocado` command line tool is to run a test:: $ avocado run sleeptest This command will run the `sleeptest` test, as found on the standard test directories. The output should be similar to:: JOB ID : JOB LOG : /home//avocado/job-results/job--/job.log TESTS : 1 (1/1) sleeptest.py: PASS (1.00 s) PASS : 1 ERROR : 0 FAIL : 0 SKIP : 0 WARN : 0 NOT FOUND : 0 TIME : 1.00 s The test directories will vary depending on you system and installation method used. Still, it's pretty easy to find that out as shown in the next section. LISTING TESTS ============= The `avocado` command line tool also has a `list` command, that lists the known tests in the standard test directory:: $ avocado list The output should be similar to:: Tests dir: /home//local/avocado/tests Alias Path sleeptest /home//local/avocado/tests/sleeptest.py ... warntest /home//local/avocado/tests/warntest.py sleeptenmin /home//local/avocado/tests/sleeptenmin.py EXPLORING RESULTS ================= When `avocado` runs tests, it saves all its results on your system:: JOB ID : JOB LOG : /home//avocado/job-results/job--/job.log For your convenience, `avocado` maintains a link to the latest job run (an `avocado run` command in this context), so you can always use `"latest"` to browse your test results:: $ ls /home//avocado/job-results/latest id job.log results.json results.xml sysinfo test-results The main log file is `job.log`, but every test has its own results directory:: $ ls -1 ~/avocado/job-results/latest/test-results/ sleeptest.py Since this is a directory, it should have content similar to:: $ ls -1 ~/avocado/job-results/latest/test-results/sleeptest.py/ data debug.log sysinfo MULTIPLEX ========= Avocado has a powerful tool that enables multiple test scenarios to be run using a single, unmodified test. This mechanism uses a multiplex file, that multiplies all possible variations automatically. A command by the same name, `multiplex`, is available on the `avocado` command line tool, and enables you to see all the test scenarios that can be run:: $ avocado multiplex tests/sleeptest.py.data/sleeptest.yaml Variants generated: Variant 1: ["short={'sleep_length': 0.5}"] Variant 2: ["medium={'sleep_length': 1}"] Variant 3: ["long={'sleep_length': 5}"] Variant 4: ["longest={'sleep_length': 10}"] $ avocado run --multiplex tests/sleeptest.py.data/sleeptest.yaml sleeptest And the output should look like:: ... (1/4) sleeptest.py: PASS (0.50 s) (2/4) sleeptest.py.1: PASS (1.00 s) (3/4) sleeptest.py.2: PASS (5.01 s) (4/4) sleeptest.py.3: PASS (10.01 s) ... DEBUGGING BINARIES RUN AS PART OF A TEST ======================================== One interesting avocado feature is the ability to automatically and transparently run binaries that are used on a given test inside the GNU debugger. Suppose you are running a test that uses an external, compiled, image converter. Now suppose you're feeding it with different types of images, including broken image files, and it fails at a given point. You wish you could connect to the debugger at that given source location while your test is running. This is how to do just that with avocado:: $ avocado run --gdb-run-bin=convert:convert_ppm_to_raw converttest The job starts running just as usual, and so does your test:: JOB ID : JOB LOG : /home//avocado/job-results/job--/job.log TESTS : 1 (1/1) converttest.py: / The `convert` binary though, automatically runs inside GDB. Avocado will stop when the given breakpoint is reached:: TEST PAUSED because of debugger breakpoint. To DEBUG your application run: /home//avocado/job-results/job--/test-results/converttest.py/data/convert.gdb.sh NOTE: please use *disconnect* command in gdb before exiting, or else the debugged process will be KILLED From this point, you can run the generated script (`convert.gdb.sh`) to debug you application. As noted, it is strongly recommended that you *disconnect* from gdb while your binary is still running. That is, if the binary finished running while you are debugging it, avocado has no way to know about its status. Avocado will automatically send a `continue` command to the debugger when you disconnect from and exit gdb. FILES ===== :: /etc/avocado/settings.ini system wide configuration file BUGS ==== If you find a bug, please report it over our github page as an issue. MORE INFORMATION ================ For more information check Avocado's online documentation at: `http://avocado-framework.readthedocs.org/` Or the project github page at: `http://github.com/avocado-framework` AUTHOR ====== Cleber Rosa