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2021-09-22test-lib tests: assert 1 exit code, not non-zeroLibravatar Ævar Arnfjörð Bjarmason1-12/+9
Improve the testing for test-lib.sh itself to assert that we have a exit code of 1, not any non-zero. Improves code added in 0445e6f0a12 (test-lib: '--run' to run only specific tests, 2014-04-30). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-09-22test-lib tests: refactor common part of check_sub_test_lib_test*()Libravatar Ævar Arnfjörð Bjarmason1-5/+9
Refactor the two check_sub_test_lib_test*() functions to avoid duplicating the same comparison they did of stdout. This duplication was initially added when check_sub_test_lib_test_err() was added in 0445e6f0a12 (test-lib: '--run' to run only specific tests, 2014-04-30). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-09-22test-lib tests: avoid subshell for "test_cmp" for readabilityLibravatar Ævar Arnfjörð Bjarmason1-13/+7
The use of a sub-shell for running the test_cmp of stdout/stderr for the test author was introduced in this form in 565b6fa87bb (tests: refactor mechanics of testing in a sub test-lib, 2012-12-16), but from looking at the history that seemed to have diligently copied my original ad-hoc implementation in 7b905119703 (t/t0000-basic.sh: Run the passing TODO test inside its own test-lib, 2010-08-19). There's no reason to use a subshell here, we try to avoid it in general. It also improves readability, if the test fails we print out the relative path in the trash directory that needs to be looked at. Before that was mostly obscured, since the "write_sub_test_lib_test" will pick the directory for you from the test name. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-09-22test-lib tests: don't provide a description for the sub-testsLibravatar Ævar Arnfjörð Bjarmason1-8/+4
Change the $test_description provided for the generated subtests to be constant, since the only purpose of having it is that test-lib.sh will barf if it isn't supplied. The other purpose of having it was to effectively split up the test description between the argument to test_expect_success and the argument to "write_and_run_sub_test_lib_test". Let's only use one of the two. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-09-22test-lib tests: split up "write and run" into two functionsLibravatar Ævar Arnfjörð Bjarmason1-12/+30
Refactor the function to write and run tests of the test-lib.sh output into two functions. When this was added back in 565b6fa87bb (tests: refactor mechanics of testing in a sub test-lib, 2012-12-16) there was no reason to do this, but since we started supporting test arguments in 517cd55fd51 (test-lib: self-test that --verbose works, 2013-06-23) we've started to write out duplicate tests simply to test different arguments, now we'll be able to re-use them. This change doesn't consolidate any of those tests yet, it just makes it possible to do so. All the changes in t0000-basic.sh are a simple search-replacement. Since the _run_sub_test_lib_test_common() function doesn't handle running the test anymore we can do away with the sub-shell, which was used to scope an "unset" and "export" shell variables. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-07-21test-lib tests: move "run_sub_test" to a new lib-subtest.shLibravatar Ævar Arnfjörð Bjarmason1-0/+86
Move the "check_sub_test_lib_test()" and its sister functions to a new lib-subtest.sh. In the future (not in this series) I'd like to test test-lib's output in a more targeted and smaller test, and I'll need these functions to do that. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>