commit | a48a88019b408157cf3b76e1a198afd824f4f0a3 | [log] [tgz] |
---|---|---|
author | SZEDER Gábor <szeder.dev@gmail.com> | Sun Dec 18 17:29:05 2022 +0100 |
committer | Junio C Hamano <gitster@pobox.com> | Mon Dec 19 09:49:11 2022 +0900 |
tree | fe89f1b09e0a9ed745b7a1fb71088e4a6107c887 | |
parent | 57e2c6ebbe7108b35ba30184dcbcb6c34c929ad8 [diff] |
tests: make 'test_oid' print trailing newline Unlike other test helper functions, 'test_oid' doesn't terminate its output with a LF, but, alas, the reason for this, if any, is not mentioned in 2c02b110da (t: add test functions to translate hash-related values, 2018-09-13)). Now, in the vast majority of cases 'test_oid' is invoked in a command substitution that is part of a heredoc or supplies an argument to a command or the value to a variable, and the command substitution would chop off any trailing LFs, so in these cases the lack or presence of a trailing LF in its output doesn't matter. However: - There appear to be only three cases where 'test_oid' is not invoked in a command substitution: $ git grep '\stest_oid ' -- ':/t/*.sh' t0000-basic.sh: test_oid zero >actual && t0000-basic.sh: test_oid zero >actual && t0000-basic.sh: test_oid zero >actual && These are all in test cases checking that 'test_oid' actually works, and that the size of its output matches the size of the corresponding hash function with conditions like test $(wc -c <actual) -eq 40 In these cases the lack of trailing LF does actually matter, though they could be trivially updated to account for the presence of a trailing LF. - There are also a few cases where the lack of trailing LF in 'test_oid's output actually hurts, because tests need to compare its output with LF terminated file contents, forcing developers to invoke it as 'echo $(test_oid ...)' to append the missing LF: $ git grep 'echo "\?$(test_oid ' -- ':/t/*.sh' t1302-repo-version.sh: echo $(test_oid version) >expect && t1500-rev-parse.sh: echo "$(test_oid algo)" >expect && t4044-diff-index-unique-abbrev.sh: echo "$(test_oid val1)" > foo && t4044-diff-index-unique-abbrev.sh: echo "$(test_oid val2)" > foo && t5313-pack-bounds-checks.sh: echo $(test_oid oidfff) >file && And there is yet another similar case in an in-flight topic at: https://public-inbox.org/git/813e81a058227bd373cec802e443fcd677042fb4.1670862677.git.gitgitgadget@gmail.com/ Arguably we would be better off if 'test_oid' terminated its output with a LF. So let's update 'test_oid' accordingly, update its tests in t0000 to account for the extra character in those size tests, and remove the now unnecessary 'echo $(...)' command substitutions around 'test_oid' invocations as well. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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