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[174.112.146.193]) by smtp.gmail.com with ESMTPSA id x13sm4418813qts.57.2020.06.30.21.27.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2020 21:27:25 -0700 (PDT) From: Denton Liu To: Git Mailing List Cc: Eric Sunshine , Junio C Hamano Subject: [PATCH v2 0/5] t: replace incorrect test_must_fail usage (part 6) Date: Wed, 1 Jul 2020 00:27:08 -0400 Message-Id: X-Mailer: git-send-email 2.27.0.383.g050319c2ae In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org The overall scope of these patches is to replace inappropriate uses of test_must_fail. IOW, we should only allow test_must_fail to run on `git` and `test-tool`. Ultimately, we will conclude by making test_must_fail error out on non-git commands. An advance view of the final series can be found here[1]. This is the sixth and final(!) part. It cleans up instances of `test_must_fail` that were introduced since the effort began. In addition, it finally flips the switch and makes test_must_fail only allow a whitelist of commands. This series is based on the merge of 'master' and 'dl/test-must-fail-fixes-5'. In addition, this series was tested by merging with 'seen~1' (to ignore the reftable failures) to ensure no in-flight topics will require more changes. The first part can be found here[2]. The second part can be found here[3]. The third part can be found here[4]. The fourth part can be found here[5]. The fifth part can be found here[6]. Changes since v1: * Add a code comment to force_color() * Do not allow nested env's in test_must_fail_acceptable() * Clean up the env-processing case code * Give an example on how to use `!`. [1]: (may be rebased at any time) https://github.com/Denton-L/git/tree/ready/cleanup-test-must-fail2 [2]: https://lore.kernel.org/git/cover.1576583819.git.liu.denton@gmail.com/ [3]: https://lore.kernel.org/git/cover.1577454401.git.liu.denton@gmail.com/ [4]: https://lore.kernel.org/git/cover.1585209554.git.liu.denton@gmail.com/ [5]: https://lore.kernel.org/git/cover.1587372771.git.liu.denton@gmail.com/ [6]: https://lore.kernel.org/git/cover.1588162842.git.liu.denton@gmail.com/ Denton Liu (5): t3701: stop using `env` in force_color() t5324: reorder `run_with_limited_open_files test_might_fail` t7107: don't use test_must_fail() t9834: remove use of `test_might_fail p4` test-lib-functions: restrict test_must_fail usage t/t0000-basic.sh | 18 +++++++++++++ t/t3701-add-interactive.sh | 13 ++++++++-- t/t5324-split-commit-graph.sh | 2 +- t/t7107-reset-pathspec-file.sh | 9 +++++-- t/t9834-git-p4-file-dir-bug.sh | 2 +- t/test-lib-functions.sh | 47 ++++++++++++++++++++++++++++++++++ 6 files changed, 85 insertions(+), 6 deletions(-) Range-diff against v1: 1: 67d5b93fda ! 1: 654c864691 t3701: stop using `env` in force_color() @@ t/t3701-add-interactive.sh: diff_cmp () { force_color () { - env GIT_PAGER_IN_USE=true TERM=vt100 "$@" ++ # The first element of $@ may be a shell function, as a result POSIX ++ # does not guarantee that "one-shot assignment" will not persist after ++ # the function call. Thus, we prevent these variables from escaping ++ # this function's context with this subshell. + ( + GIT_PAGER_IN_USE=true && -+ export GIT_PAGER_IN_USE && + TERM=vt100 && -+ export TERM && ++ export GIT_PAGER_IN_USE TERM && + "$@" + ) } 2: aae48a89e5 = 2: 9ba997f7c1 t5324: reorder `run_with_limited_open_files test_might_fail` 3: 74bc29b18b = 3: eb2052bf64 t7107: don't use test_must_fail() 4: 1287798e69 = 4: 92d3b38428 t9834: remove use of `test_might_fail p4` 5: 01e29450fe ! 5: 3ebbda6c57 test-lib-functions: restrict test_must_fail usage @@ Commit message We allow `__git*` as some completion functions return an error code that comes from a git invocation. It's good to avoid using test_must_fail unnecessarily but it wouldn't hurt to err on the side of caution when - we're potentially wrapping a git command (like in these case). + we're potentially wrapping a git command (like in these cases). We also allow `test-tool` and `test-svn-fe` because these are helper commands that are written by us and we want to catch their failure. @@ t/t0000-basic.sh: test_expect_success 'very long name in the index handled sanel +' + +test_expect_success 'test_must_fail on a failing git command with env' ' -+ test_must_fail env var1=a var2=b env var3=c git notacommand ++ test_must_fail env var1=a var2=b git notacommand +' + +test_expect_success 'test_must_fail rejects a non-git command' ' @@ t/t0000-basic.sh: test_expect_success 'very long name in the index handled sanel +' + +test_expect_success 'test_must_fail rejects a non-git command with env' ' -+ ! test_must_fail env var1=a var2=b env var3=c grep ^$ notafile 2>err && ++ ! test_must_fail env var1=a var2=b grep ^$ notafile 2>err && + grep -F "test_must_fail: only '"'"'git'"'"' is allowed" err +' + @@ t/test-lib-functions.sh: list_contains () { +# and its corresponding variable settings will be stripped before we +# test the command being run. +test_must_fail_acceptable () { -+ while test "$1" = "env" -+ do ++ if test "$1" = "env" ++ then + shift + while test $# -gt 0 + do -+ case "$1" in *?=*) ;; *) break ;; esac -+ shift ++ case "$1" in ++ *?=*) ++ shift ++ ;; ++ *) ++ break ++ ;; ++ esac + done -+ done ++ fi + + case "$1" in + git|__git*|test-tool|test-svn-fe|test_terminal) @@ t/test-lib-functions.sh: list_contains () { +# +# test_must_fail grep pattern output +# -+# Just use '!' instead. ++# Instead use '!': ++# ++# ! grep pattern output test_must_fail () { case "$1" in @@ t/test-lib-functions.sh: test_must_fail () { esac + if ! test_must_fail_acceptable "$@" + then -+ echo >&7 "test_must_fail: only 'git' is allowed: $*" -+ return 1 ++ echo >&7 "test_must_fail: only 'git' is allowed: $*" ++ return 1 + fi "$@" 2>&7 exit_code=$? -- 2.27.0.383.g050319c2ae