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| 1 | +#!/bin/sh |
| 2 | +# ===================================== |
| 3 | +# Shared test harness for builtin tests |
| 4 | +# ===================================== |
| 5 | +# Source this file from individual builtin test scripts. |
| 6 | +# Each test file must set TEST_PREFIX before sourcing. |
| 7 | + |
| 8 | +# Portable timeout: macOS has gtimeout (from coreutils) or no timeout |
| 9 | +if command -v timeout >/dev/null 2>&1; then |
| 10 | + run_with_timeout() { timeout "$@"; } |
| 11 | +elif command -v gtimeout >/dev/null 2>&1; then |
| 12 | + run_with_timeout() { gtimeout "$@"; } |
| 13 | +else |
| 14 | + run_with_timeout() { |
| 15 | + _rwt_secs="$1"; shift |
| 16 | + _rwt_tmp=$(mktemp /tmp/bensch_timeout.XXXXXX) |
| 17 | + ( "$@" ) > "$_rwt_tmp" 2>&1 & |
| 18 | + _rwt_pid=$! |
| 19 | + ( sleep "$_rwt_secs"; kill "$_rwt_pid" 2>/dev/null ) & |
| 20 | + _rwt_wd=$! |
| 21 | + wait "$_rwt_pid" 2>/dev/null |
| 22 | + _rwt_rc=$? |
| 23 | + kill "$_rwt_wd" 2>/dev/null |
| 24 | + wait "$_rwt_wd" 2>/dev/null |
| 25 | + cat "$_rwt_tmp" |
| 26 | + rm -f "$_rwt_tmp" |
| 27 | + return $_rwt_rc |
| 28 | + } |
| 29 | +fi |
| 30 | + |
| 31 | +# Colors (POSIX-compliant way) |
| 32 | +RED='\033[0;31m' |
| 33 | +GREEN='\033[0;32m' |
| 34 | +YELLOW='\033[1;33m' |
| 35 | +BLUE='\033[0;34m' |
| 36 | +NC='\033[0m' |
| 37 | + |
| 38 | +CURRENT_SECTION="" |
| 39 | +TEST_NUM=0 |
| 40 | + |
| 41 | +PASSED=0 |
| 42 | +FAILED=0 |
| 43 | +SKIPPED=0 |
| 44 | +FAILED_TESTS_LIST="" |
| 45 | + |
| 46 | +# Get script directory (POSIX way) |
| 47 | +SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd) |
| 48 | +SHELL_BIN="${SHELL_BIN:?ERROR: SHELL_BIN must be set}" |
| 49 | + |
| 50 | +# Reference bash for expected output — must be bash 4+ for assoc arrays, case transforms |
| 51 | +# macOS ships bash 3.2 which lacks these; override with BASH_REF=/opt/homebrew/bin/bash |
| 52 | +BASH_REF="${BASH_REF:-bash}" |
| 53 | + |
| 54 | +# Check if shell binary exists |
| 55 | +if [ ! -x "$SHELL_BIN" ]; then |
| 56 | + printf "${RED}ERROR${NC}: shell binary not found at $SHELL_BIN\n" |
| 57 | + printf "Please set SHELL_BIN or set SHELL_BIN environment variable\n" |
| 58 | + exit 1 |
| 59 | +fi |
| 60 | + |
| 61 | +# Temp directory for test files |
| 62 | +TEST_TMPDIR=$(mktemp -d) |
| 63 | +cleanup() { rm -rf "$TEST_TMPDIR" 2>/dev/null; } |
| 64 | +trap cleanup EXIT INT TERM |
| 65 | + |
| 66 | +pass() { |
| 67 | + TEST_NUM=$((TEST_NUM + 1)) |
| 68 | + printf "${GREEN}✓ PASS${NC} ${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}: %s\n" "$1" |
| 69 | + PASSED=$((PASSED + 1)) |
| 70 | +} |
| 71 | + |
| 72 | +fail() { |
| 73 | + TEST_NUM=$((TEST_NUM + 1)) |
| 74 | + TEST_ID="${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}" |
| 75 | + printf "${RED}✗ FAIL${NC} ${TEST_ID}: %s\n" "$1" |
| 76 | + FAILED_TESTS_LIST="${FAILED_TESTS_LIST} ${TEST_ID}: $1\n" |
| 77 | + if [ -n "$2" ]; then printf " expected: %s\n" "$2"; fi |
| 78 | + if [ -n "$3" ]; then printf " got: %s\n" "$3"; fi |
| 79 | + FAILED=$((FAILED + 1)) |
| 80 | +} |
| 81 | + |
| 82 | +skip() { |
| 83 | + TEST_NUM=$((TEST_NUM + 1)) |
| 84 | + printf "${YELLOW}⊘ SKIP${NC} ${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}: %s - %s\n" "$1" "$2" |
| 85 | + SKIPPED=$((SKIPPED + 1)) |
| 86 | +} |
| 87 | + |
| 88 | +section() { |
| 89 | + CURRENT_SECTION=$(echo "$1" | grep -oE '^[0-9]+' || echo "0") |
| 90 | + TEST_NUM=0 |
| 91 | + printf "\n${BLUE}==========================================\n%s\n==========================================${NC}\n" "$1" |
| 92 | +} |
| 93 | + |
| 94 | +# Normalize shell name prefixes in error messages for comparison |
| 95 | +normalize_shell_name() { |
| 96 | + printf '%s\n' "$1" | sed -e 's/[a-z]*sh[0-9]*: line [0-9]*: /SHELL: /g' \ |
| 97 | + -e \ |
| 98 | + -e 's/[a-z]*sh[0-9]*: /SHELL: /g' \ |
| 99 | + -e 's/[a-z]*sh[0-9]*: /SHELL: /g' |
| 100 | +} |
| 101 | + |
| 102 | +# Per-test timeout (seconds) — prevents hanging tests from blocking CI |
| 103 | +TEST_TIMEOUT="${TEST_TIMEOUT:-10}" |
| 104 | + |
| 105 | +# Helper: compare output against bash |
| 106 | +compare_output() { |
| 107 | + test_name="$1"; command="$2" |
| 108 | + expected=$(run_with_timeout "$TEST_TIMEOUT" "$BASH_REF" -c "$command" 2>&1) |
| 109 | + actual=$(run_with_timeout "$TEST_TIMEOUT" "$SHELL_BIN" -c "$command" 2>&1) |
| 110 | + norm_expected=$(normalize_shell_name "$expected") |
| 111 | + norm_actual=$(normalize_shell_name "$actual") |
| 112 | + if [ "$norm_expected" = "$norm_actual" ]; then pass "$test_name" |
| 113 | + else fail "$test_name" "$expected" "$actual"; fi |
| 114 | +} |
| 115 | + |
| 116 | +# Helper: compare exit code only |
| 117 | +compare_exit() { |
| 118 | + test_name="$1"; command="$2" |
| 119 | + run_with_timeout "$TEST_TIMEOUT" "$BASH_REF" -c "$command" >/dev/null 2>&1; expected=$? |
| 120 | + run_with_timeout "$TEST_TIMEOUT" "$SHELL_BIN" -c "$command" >/dev/null 2>&1; actual=$? |
| 121 | + if [ "$expected" = "$actual" ]; then pass "$test_name" |
| 122 | + else fail "$test_name" "exit $expected" "exit $actual"; fi |
| 123 | +} |
| 124 | + |
| 125 | +# Helper: compare both output and exit code |
| 126 | +compare_both() { |
| 127 | + test_name="$1"; command="$2" |
| 128 | + expected_out=$(run_with_timeout "$TEST_TIMEOUT" "$BASH_REF" -c "$command" 2>&1); expected_exit=$? |
| 129 | + actual_out=$(run_with_timeout "$TEST_TIMEOUT" "$SHELL_BIN" -c "$command" 2>&1); actual_exit=$? |
| 130 | + norm_expected=$(normalize_shell_name "$expected_out") |
| 131 | + norm_actual=$(normalize_shell_name "$actual_out") |
| 132 | + if [ "$norm_expected" = "$norm_actual" ] && [ "$expected_exit" = "$actual_exit" ]; then |
| 133 | + pass "$test_name" |
| 134 | + else |
| 135 | + fail "$test_name" "out='$expected_out' exit=$expected_exit" "out='$actual_out' exit=$actual_exit" |
| 136 | + fi |
| 137 | +} |
| 138 | + |
| 139 | +# Helper: check fortsh output matches expected string |
| 140 | +check_output() { |
| 141 | + test_name="$1"; command="$2"; expected="$3" |
| 142 | + actual=$(timeout "$TEST_TIMEOUT" "$SHELL_BIN" -c "$command" 2>&1) |
| 143 | + if [ "$actual" = "$expected" ]; then pass "$test_name" |
| 144 | + else fail "$test_name" "$expected" "$actual"; fi |
| 145 | +} |
| 146 | + |
| 147 | +# Helper: check fortsh exit code matches expected |
| 148 | +check_exit() { |
| 149 | + test_name="$1"; command="$2"; expected="$3" |
| 150 | + timeout "$TEST_TIMEOUT" "$SHELL_BIN" -c "$command" >/dev/null 2>&1; actual=$? |
| 151 | + if [ "$actual" = "$expected" ]; then pass "$test_name" |
| 152 | + else fail "$test_name" "exit $expected" "exit $actual"; fi |
| 153 | +} |
| 154 | + |
| 155 | +# Print summary — call at end of each test file |
| 156 | +print_summary() { |
| 157 | + printf "\n==========================================\n" |
| 158 | + printf "%s TEST RESULTS\n" "$TEST_PREFIX" |
| 159 | + printf "==========================================\n" |
| 160 | + printf "Passed: %d\n" "$PASSED" |
| 161 | + printf "Failed: %d\n" "$FAILED" |
| 162 | + printf "Skipped: %d\n" "$SKIPPED" |
| 163 | + printf "Total: %d\n" "$((PASSED + FAILED + SKIPPED))" |
| 164 | + printf "==========================================\n" |
| 165 | + |
| 166 | + if [ $((PASSED + FAILED)) -gt 0 ]; then |
| 167 | + PASS_RATE=$((PASSED * 100 / (PASSED + FAILED))) |
| 168 | + printf "Pass rate: %d%%\n" "$PASS_RATE" |
| 169 | + fi |
| 170 | + |
| 171 | + if [ "$FAILED" -gt 0 ]; then |
| 172 | + printf "\nFailed tests:\n" |
| 173 | + printf "%b" "$FAILED_TESTS_LIST" |
| 174 | + printf "==========================================\n" |
| 175 | + fi |
| 176 | + |
| 177 | + if [ "$FAILED" -eq 0 ]; then |
| 178 | + printf "ALL %s TESTS PASSED!\n" "$TEST_PREFIX" |
| 179 | + exit 0 |
| 180 | + else |
| 181 | + exit 1 |
| 182 | + fi |
| 183 | +} |
