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[Perf] nvm_npmrc_bad_news_bears: scan npmrc files without forking grep

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Cassidy Marble
2026-10-06 14:01:11 -03:00
committed by Jordan Harband
parent f296b8d210
commit c28f2b70db
2 changed files with 72 additions and 2 deletions
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test/fast/Unit tests/nvm_die_on_prefix
+51
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@@ -201,4 +201,55 @@ Run \`foo\` to unset it."
[ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with user .npmrc that has globalconfig did not exit with 10; got '$CAPTURED_EXIT_CODE'"
)
# nvm_npmrc_bad_news_bears matches `^(prefix|globalconfig) *=`
NPMRC="${TEST_DIR}/bad-news.npmrc"
printf 'prefix=x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix=x should be bad news'
printf 'prefix =x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix =x should be bad news'
printf 'prefix =x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix =x should be bad news'
printf 'prefix =\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix = should be bad news'
printf 'foo=1\nprefix = y\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a matching line after a non-matching line should be bad news'
printf 'prefix=x' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix=x without a trailing newline should be bad news'
printf 'globalconfig=x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfig=x should be bad news'
printf 'globalconfig = x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfig = x should be bad news'
printf 'prefixfoo=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefixfoo=x should not be bad news'
printf 'globalconfigfoo=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfigfoo=x should not be bad news'
printf 'prefix x=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix x=x should not be bad news'
printf 'prefix\t=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a tab before = should not be bad news'
printf ' prefix=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a leading space should not be bad news'
printf 'Prefix=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'an uppercase key should not be bad news'
printf 'prefix\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a bare prefix should not be bad news'
printf 'prefix \n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'trailing spaces without = should not be bad news'
: > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'an empty npmrc should not be bad news'
! nvm_npmrc_bad_news_bears || die 'a missing argument should not be bad news'
! nvm_npmrc_bad_news_bears "${TEST_DIR}/nonexistent.npmrc" || die 'a missing file should not be bad news'
# the npmrc scan must not fork `grep`
(
rm -f "${TEST_DIR}/grep-was-called"
nvm_grep() { : > "${TEST_DIR}/grep-was-called"; return 1; }
printf 'globalconfig = nope\n' > "${TEST_DIR}/probe.npmrc"
NVM_PROBE_EXIT=0
nvm_npmrc_bad_news_bears "${TEST_DIR}/probe.npmrc" || NVM_PROBE_EXIT=$?
[ ! -e "${TEST_DIR}/grep-was-called" ] || exit 10
[ "${NVM_PROBE_EXIT}" = 0 ] || exit 11
) || die 'nvm_npmrc_bad_news_bears must read npmrc files without calling nvm_grep'
cleanup