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[Tests] add try/try_err helpers; convert tests to use them

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Add `try` and `try_err` helper functions to `test/common.sh` that capture stdout/stderr and exit code from a single invocation, eliminating duplicate command executions in tests.
Convert all existing tests that used the `OUTPUT`/`EXIT_CODE` double-invocation pattern to use the new helpers.
Also fixes a pre-existing bug in the `nvm_die_on_prefix` test where ASCII apostrophes were used instead of U+2019 to match nvm.sh output.
This commit is contained in:
Jordan Harband
2026-03-13 15:26:07 -04:00
parent 4c556a19b0
commit 14d01c6877
28 changed files with 329 additions and 365 deletions
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18
test/fast/Unit tests/nvm_alias
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@@ -9,21 +9,19 @@ cleanup () {
: nvm.sh
\. ../../../nvm.sh
OUTPUT="$(nvm_alias 2>&1)"
EXPECTED_OUTPUT='An alias is required.'
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias' produced wrong output; got $OUTPUT"
\. ../../common.sh
EXIT_CODE="$(nvm_alias >/dev/null 2>&1 ; echo $?)"
[ "_$EXIT_CODE" = "_1" ] || die "'nvm_alias' exited with $EXIT_CODE, expected 1"
try_err nvm_alias
EXPECTED_OUTPUT='An alias is required.'
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias' produced wrong output; got $CAPTURED_STDERR"
[ "_$CAPTURED_EXIT_CODE" = "_1" ] || die "'nvm_alias' exited with $CAPTURED_EXIT_CODE, expected 1"
rm -rf ../../../alias/nonexistent
OUTPUT="$(nvm_alias nonexistent 2>&1)"
try_err nvm_alias nonexistent
EXPECTED_OUTPUT='Alias does not exist.'
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias nonexistent' produced wrong output; got $OUTPUT"
EXIT_CODE="$(nvm_alias nonexistent >/dev/null 2>&1 ; echo $?)"
[ "_$EXIT_CODE" = "_2" ] || die "'nvm_alias nonexistent' exited with $EXIT_CODE, expected 2"
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias nonexistent' produced wrong output; got $CAPTURED_STDERR"
[ "_$CAPTURED_EXIT_CODE" = "_2" ] || die "'nvm_alias nonexistent' exited with $CAPTURED_EXIT_CODE, expected 2"
EXPECTED_OUTPUT="0.10"
nvm alias test "$EXPECTED_OUTPUT" || die "'nvm alias test $EXPECTED_OUTPUT' failed"