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Diffstat (limited to 't/README')
| -rw-r--r-- | t/README | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -186,6 +186,22 @@ appropriately before running "make". this feature by setting the GIT_TEST_CHAIN_LINT environment variable to "1" or "0", respectively. +--stress:: +--stress=<N>:: + Run the test script repeatedly in multiple parallel jobs until + one of them fails. Useful for reproducing rare failures in + flaky tests. The number of parallel jobs is, in order of + precedence: <N>, or the value of the GIT_TEST_STRESS_LOAD + environment variable, or twice the number of available + processors (as shown by the 'getconf' utility), or 8. + Implies `--verbose -x --immediate` to get the most information + about the failure. Note that the verbose output of each test + job is saved to 't/test-results/$TEST_NAME.stress-<nr>.out', + and only the output of the failed test job is shown on the + terminal. The names of the trash directories get a + '.stress-<nr>' suffix, and the trash directory of the failed + test job is renamed to end with a '.stress-failed' suffix. + You can also set the GIT_TEST_INSTALLED environment variable to the bindir of an existing git installation to test that installation. You still need to have built this git sandbox, from which various @@ -425,7 +441,8 @@ This test harness library does the following things: - Creates an empty test directory with an empty .git/objects database and chdir(2) into it. This directory is 't/trash directory.$test_name_without_dotsh', with t/ subject to change by - the --root option documented above. + the --root option documented above, and a '.stress-<N>' suffix + appended by the --stress option. - Defines standard test helper functions for your scripts to use. These functions are designed to make all scripts behave |