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[regression] Add initial regression test framework

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The regression tests run nightly or on the `regression`
branch for convenience. The results get uploaded as the
artifacts of the job. If they change, check the diff
printed in the job. If all is well, download the new
results and commit them to the repo.

This code will only run on a UNIX like platform. It
could be made to run on Windows, but I don't think that
it is necessary. It also uses C99.

* data: This module defines the data to run tests on.
  It downloads data from a URL into a cache directory,
  checks it against a checksum, and unpacks it. It also
  provides helpers for accessing the data.
* config: This module defines the configs to run tests
  with. A config is a set of API parameters and a set of
  CLI flags.
* result: This module is a helper for method that defines
  the result type.
* method: This module defines the compression methods
  to test. It is what runs the regression test using the
  data and the config. It reports the total compressed
  size, or an error/skip.
* test: This is the test binary that runs the tests for
  every (data, config, method) tuple, and prints the
  results to the output file and stderr.
* results.csv: The results that the current commit is
  expected to produce.
This commit is contained in:
Nick Terrell
2018-11-20 12:37:43 -08:00
parent 787532b91a
commit 4aaa36f74b
13 changed files with 1608 additions and 1 deletions
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44
tests/regression/levels.h Normal file
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/*
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#ifndef LEVEL
# error LEVEL(x) must be defined
#endif
#ifndef FAST_LEVEL
# error FAST_LEVEL(x) must be defined
#endif
/**
* The levels are chosen to trigger every strategy in every source size,
* as well as some fast levels and the default level.
* If you change the compression levels, you should probably update these.
*/
FAST_LEVEL(5)
FAST_LEVEL(3)
FAST_LEVEL(1)
LEVEL(0)
LEVEL(1)
LEVEL(3)
LEVEL(4)
LEVEL(5)
LEVEL(6)
LEVEL(7)
LEVEL(9)
LEVEL(13)
LEVEL(16)
LEVEL(19)