From 00648ba0505bbe1999bb6ae2f1d02a0ef923b191 Mon Sep 17 00:00:00 2001 From: Elijah Newren Date: Sun, 3 Oct 2010 14:00:14 -0600 Subject: [PATCH] Introduce sane_unset and use it to ensure proper && chaining Reviewed-by: Jonathan Nieder Signed-off-by: Elijah Newren Signed-off-by: Junio C Hamano --- t/README | 13 +++++-------- t/t0001-init.sh | 28 ++++++++++++++-------------- t/t7006-pager.sh | 10 +++++----- t/t7502-commit.sh | 4 ++-- t/test-lib.sh | 11 +++++++++++ 5 files changed, 37 insertions(+), 29 deletions(-) diff --git a/t/README b/t/README index ee4c0cf68..2aceb67c7 100644 --- a/t/README +++ b/t/README @@ -259,14 +259,11 @@ Do: test ... That way all of the commands in your tests will succeed or fail. If - you must ignore the return value of something (e.g., the return - after unsetting a variable that was already unset is unportable) it's - best to indicate so explicitly with a semicolon: - - unset HLAGH; - git merge hla && - git push gh && - test ... + you must ignore the return value of something, consider using a + helper function (e.g. use sane_unset instead of unset, in order + to avoid unportable return value for unsetting a variable that was + already unset), or prepending the command with test_might_fail or + test_must_fail. - Check the test coverage for your tests. See the "Test coverage" below. diff --git a/t/t0001-init.sh b/t/t0001-init.sh index 7fe8883ae..d44194c35 100755 --- a/t/t0001-init.sh +++ b/t/t0001-init.sh @@ -25,7 +25,7 @@ check_config () { test_expect_success 'plain' ' ( - unset GIT_DIR GIT_WORK_TREE + sane_unset GIT_DIR GIT_WORK_TREE && mkdir plain && cd plain && git init @@ -35,7 +35,7 @@ test_expect_success 'plain' ' test_expect_success 'plain with GIT_WORK_TREE' ' if ( - unset GIT_DIR + sane_unset GIT_DIR && mkdir plain-wt && cd plain-wt && GIT_WORK_TREE=$(pwd) git init @@ -48,7 +48,7 @@ test_expect_success 'plain with GIT_WORK_TREE' ' test_expect_success 'plain bare' ' ( - unset GIT_DIR GIT_WORK_TREE GIT_CONFIG + sane_unset GIT_DIR GIT_WORK_TREE GIT_CONFIG && mkdir plain-bare-1 && cd plain-bare-1 && git --bare init @@ -58,7 +58,7 @@ test_expect_success 'plain bare' ' test_expect_success 'plain bare with GIT_WORK_TREE' ' if ( - unset GIT_DIR GIT_CONFIG + sane_unset GIT_DIR GIT_CONFIG && mkdir plain-bare-2 && cd plain-bare-2 && GIT_WORK_TREE=$(pwd) git --bare init @@ -72,7 +72,7 @@ test_expect_success 'plain bare with GIT_WORK_TREE' ' test_expect_success 'GIT_DIR bare' ' ( - unset GIT_CONFIG + sane_unset GIT_CONFIG && mkdir git-dir-bare.git && GIT_DIR=git-dir-bare.git git init ) && @@ -82,7 +82,7 @@ test_expect_success 'GIT_DIR bare' ' test_expect_success 'init --bare' ' ( - unset GIT_DIR GIT_WORK_TREE GIT_CONFIG + sane_unset GIT_DIR GIT_WORK_TREE GIT_CONFIG && mkdir init-bare.git && cd init-bare.git && git init --bare @@ -93,7 +93,7 @@ test_expect_success 'init --bare' ' test_expect_success 'GIT_DIR non-bare' ' ( - unset GIT_CONFIG + sane_unset GIT_CONFIG && mkdir non-bare && cd non-bare && GIT_DIR=.git git init @@ -104,7 +104,7 @@ test_expect_success 'GIT_DIR non-bare' ' test_expect_success 'GIT_DIR & GIT_WORK_TREE (1)' ' ( - unset GIT_CONFIG + sane_unset GIT_CONFIG && mkdir git-dir-wt-1.git && GIT_WORK_TREE=$(pwd) GIT_DIR=git-dir-wt-1.git git init ) && @@ -114,7 +114,7 @@ test_expect_success 'GIT_DIR & GIT_WORK_TREE (1)' ' test_expect_success 'GIT_DIR & GIT_WORK_TREE (2)' ' if ( - unset GIT_CONFIG + sane_unset GIT_CONFIG && mkdir git-dir-wt-2.git && GIT_WORK_TREE=$(pwd) GIT_DIR=git-dir-wt-2.git git --bare init ) @@ -127,7 +127,7 @@ test_expect_success 'GIT_DIR & GIT_WORK_TREE (2)' ' test_expect_success 'reinit' ' ( - unset GIT_CONFIG GIT_WORK_TREE GIT_CONFIG + sane_unset GIT_CONFIG GIT_WORK_TREE GIT_CONFIG && mkdir again && cd again && @@ -175,8 +175,8 @@ test_expect_success 'init with init.templatedir set' ' git config -f "$test_config" init.templatedir "${HOME}/templatedir-source" && mkdir templatedir-set && cd templatedir-set && - unset GIT_CONFIG_NOGLOBAL && - unset GIT_TEMPLATE_DIR && + sane_unset GIT_CONFIG_NOGLOBAL && + sane_unset GIT_TEMPLATE_DIR && NO_SET_GIT_TEMPLATE_DIR=t && export NO_SET_GIT_TEMPLATE_DIR && git init @@ -187,7 +187,7 @@ test_expect_success 'init with init.templatedir set' ' test_expect_success 'init --bare/--shared overrides system/global config' ' ( test_config="$HOME"/.gitconfig && - unset GIT_CONFIG_NOGLOBAL && + sane_unset GIT_CONFIG_NOGLOBAL && git config -f "$test_config" core.bare false && git config -f "$test_config" core.sharedRepository 0640 && mkdir init-bare-shared-override && @@ -202,7 +202,7 @@ test_expect_success 'init --bare/--shared overrides system/global config' ' test_expect_success 'init honors global core.sharedRepository' ' ( test_config="$HOME"/.gitconfig && - unset GIT_CONFIG_NOGLOBAL && + sane_unset GIT_CONFIG_NOGLOBAL && git config -f "$test_config" core.sharedRepository 0666 && mkdir shared-honor-global && cd shared-honor-global && diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh index fb744e3c4..7d00d49d0 100755 --- a/t/t7006-pager.sh +++ b/t/t7006-pager.sh @@ -41,7 +41,7 @@ else fi test_expect_success 'setup' ' - unset GIT_PAGER GIT_PAGER_IN_USE; + sane_unset GIT_PAGER GIT_PAGER_IN_USE && test_might_fail git config --unset core.pager && PAGER="cat >paginated.out" && @@ -254,7 +254,7 @@ test_default_pager() { parse_args "$@" $test_expectation SIMPLEPAGERTTY "$cmd - default pager is used by default" " - unset PAGER GIT_PAGER; + sane_unset PAGER GIT_PAGER && test_might_fail git config --unset core.pager && rm -f default_pager_used || cleanup_fail && @@ -277,7 +277,7 @@ test_PAGER_overrides() { parse_args "$@" $test_expectation TTY "$cmd - PAGER overrides default pager" " - unset GIT_PAGER; + sane_unset GIT_PAGER && test_might_fail git config --unset core.pager && rm -f PAGER_used || cleanup_fail && @@ -305,7 +305,7 @@ test_core_pager() { parse_args "$@" $test_expectation TTY "$cmd - repository-local core.pager setting $used_if_wanted" " - unset GIT_PAGER; + sane_unset GIT_PAGER && rm -f core.pager_used || cleanup_fail && @@ -333,7 +333,7 @@ test_pager_subdir_helper() { parse_args "$@" $test_expectation TTY "$cmd - core.pager $used_if_wanted from subdirectory" " - unset GIT_PAGER; + sane_unset GIT_PAGER && rm -f core.pager_used && rm -fr sub || cleanup_fail && diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh index ac2e187a5..c1c66450a 100755 --- a/t/t7502-commit.sh +++ b/t/t7502-commit.sh @@ -252,8 +252,8 @@ test_expect_success 'committer is automatic' ' echo >>negative && ( - unset GIT_COMMITTER_EMAIL - unset GIT_COMMITTER_NAME + sane_unset GIT_COMMITTER_EMAIL && + sane_unset GIT_COMMITTER_NAME && # must fail because there is no change test_must_fail git commit -e -m "sample" ) && diff --git a/t/test-lib.sh b/t/test-lib.sh index d86edcd7a..87308f5a9 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -268,6 +268,17 @@ remove_cr () { tr '\015' Q | sed -e 's/Q$//' } +# In some bourne shell implementations, the "unset" builtin returns +# nonzero status when a variable to be unset was not set in the first +# place. +# +# Use sane_unset when that should not be considered an error. + +sane_unset () { + unset "$@" + return 0 +} + test_tick () { if test -z "${test_tick+set}" then -- 2.26.2