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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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16
test/fast/Unit tests/nvm_make_alias
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@@ -5,16 +5,16 @@ die () { echo "$@" ; exit 1; }
: nvm.sh
\. ../../../nvm.sh
OUTPUT="$(nvm_make_alias 2>&1)"
EXIT_CODE="$(nvm_make_alias >/dev/null 2>&1 ; echo $?)"
\. ../../common.sh
try_err nvm_make_alias
EXPECTED_OUTPUT='an alias name is required'
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "\`nvm_make_alias\` did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
[ "$EXIT_CODE" -eq 1 ] || die "\`nvm_make_alias\` did not exit with 1, got '$EXIT_CODE'"
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "\`nvm_make_alias\` did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "$CAPTURED_EXIT_CODE" -eq 1 ] || die "\`nvm_make_alias\` did not exit with 1, got '$CAPTURED_EXIT_CODE'"
OUTPUT="$(nvm_make_alias foo 2>&1)"
EXIT_CODE="$(nvm_make_alias foo >/dev/null 2>&1 ; echo $?)"
try_err nvm_make_alias foo
EXPECTED_OUTPUT='an alias target version is required'
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "\`nvm_make_alias foo\` did not error with '$EXPECTED_OUTPUT'; got '$OUTPUT'"
[ "$EXIT_CODE" -eq 2 ] || die "\`nvm_make_alias foo\` did not exit with 2, got '$EXIT_CODE'"
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "\`nvm_make_alias foo\` did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "$CAPTURED_EXIT_CODE" -eq 2 ] || die "\`nvm_make_alias foo\` did not exit with 2, got '$CAPTURED_EXIT_CODE'"