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2016-06-20tests: Add a test command to get test status as an exit codeAndreas Sandberg
Add a "test" command to tests.py that queries a test pickle file and returns different exit codes depending on the outcome of the tests in the file. The following exit codes can currently be returned: * 0: All tests were successful or skipped. * 1: General fault in the script such as incorrect parameters or failing to parse a pickle file. * 2: At least one test failed to run. This is what the summary formatter usually shows as a 'FAILED'. * 3: All tests ran correctly, but at least one failed to verify its output. When displaying test output using the summary formatter, such a test would show up as 'CHANGED'. The command can be invoked like this: ./tests/tests.py test `find build/ARM/tests/opt/ -name status.pickle` Change-Id: I7e6bc661516f38ff08dfda7c4359a1e10bf97864 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-05-26tests: Add test infrastructure as a Python moduleAndreas Sandberg
Implement gem5's test infrastructure as a Python module and a run script that can be used without scons. The new implementation has several features that were lacking from the previous test infrastructure such as support for multiple output formats, automatic runtime tracking, and better support for being run in a cluster environment. Tests consist of one or more steps (TestUnit). Units are run in two stages, the first a run stage and then a verify stage. Units in the verify stage are automatically skipped if any unit run stage wasn't run. The library currently contains TestUnit implementations that run gem5, diff stat files, and diff output files. Existing tests are implemented by the ClassicTest class and "just work". New tests can that don't rely on the old "run gem5 once and diff output" strategy can be implemented by subclassing the Test base class or ClassicTest. Test results can be output in multiple formats. The module currently supports JUnit, text (short and verbose), and Python's pickle format. JUnit output allows CI systems to automatically get more information about test failures. The pickled output contains all state necessary to reconstruct a tests results object and is mainly intended for the build system and CI systems. Since many JUnit parsers parsers assume that test suite names look like Java package names. We currently output path-like names with slashes separating components. Test names are translated according to these rules: * '.' -> '-" * '/' -> '.' The test tool, tests.py, supports the following features: * Test listing. Example: ./tests.py list arm/quick * Running tests. Example: ./tests.py run -o output.pickle --format pickle \ ../build/ARM/gem5.opt \ quick/se/00.hello/arm/linux/simple-timing * Displaying pickled results. Example: ./tests.py show --format summary *.pickle Change-Id: I527164bd791237aacfc65e7d7c0b67b695c5d17c Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Joel Hestness <jthestness@gmail.com>