feat(formatters/sh): surface missing shfmt/shellcheck + add SETE/LEAK checks (U-H2)
This commit is contained in:
Paul O'Reilly
245
formatters/tests/test-sh-formatter.sh
Executable file
245
formatters/tests/test-sh-formatter.sh
Executable file
@@ -0,0 +1,245 @@
|
||||
#!/usr/bin/env bash
|
||||
# tests/test-sh-formatter.sh — assert formatters/sh runs SETE-1/2 and LEAK-1
|
||||
#
|
||||
# House convention: bash, set -uo pipefail, SKIP-and-exit-0 when a tool is
|
||||
# missing, one PASS:/FAIL: line per assertion, FAIL=1 aggregate, ALL_OK on
|
||||
# full pass.
|
||||
|
||||
set -uo pipefail
|
||||
|
||||
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
|
||||
FORMATTER="$SCRIPT_DIR/../sh"
|
||||
|
||||
# --- SKIP gates: missing tool → exit 0 silently ---
|
||||
if ! command -v python3 >/dev/null 2>&1; then
|
||||
echo "SKIP: python3 not on PATH — formatters/sh custom checks need it"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ ! -x "$FORMATTER" ]; then
|
||||
echo "SKIP: formatters/sh not found or not executable at $FORMATTER"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
PASS=0
|
||||
FAIL=0
|
||||
|
||||
pass() {
|
||||
printf "PASS: %s\n" "$1"
|
||||
PASS=$((PASS + 1))
|
||||
}
|
||||
|
||||
fail() {
|
||||
printf "FAIL: %s\n" "$1"
|
||||
[[ -n "${2:-}" ]] && printf " %s\n" "$2"
|
||||
FAIL=$((FAIL + 1))
|
||||
}
|
||||
|
||||
TMPDIR="$(mktemp -d)"
|
||||
trap 'rm -rf "$TMPDIR"' EXIT
|
||||
|
||||
# Write a fixture and run the formatter. Assert:
|
||||
# - exit code matches expected_exit
|
||||
# - stderr contains the pattern (when expect_pattern is set)
|
||||
assert_flagged() {
|
||||
local label="$1"
|
||||
local expected_exit="$2"
|
||||
local pattern="$3"
|
||||
local content="$4"
|
||||
local f="$TMPDIR/$(printf '%s' "$label" | tr ' /' '__').sh"
|
||||
|
||||
printf '%s\n' "$content" > "$f"
|
||||
|
||||
local stderr_file="$TMPDIR/$(basename "$f").stderr"
|
||||
"$FORMATTER" "$f" >/dev/null 2>"$stderr_file"
|
||||
local actual_exit=$?
|
||||
local stderr_content
|
||||
stderr_content="$(cat "$stderr_file")"
|
||||
|
||||
if [ "$actual_exit" -ne "$expected_exit" ]; then
|
||||
fail "$label (exit)" "expected $expected_exit, got $actual_exit. stderr: $stderr_content"
|
||||
return
|
||||
fi
|
||||
|
||||
if [ -n "$pattern" ] && ! echo "$stderr_content" | grep -qE "$pattern"; then
|
||||
fail "$label (pattern)" "expected pattern '$pattern', got: $stderr_content"
|
||||
return
|
||||
fi
|
||||
|
||||
pass "$label"
|
||||
}
|
||||
|
||||
# Write a fixture and run the formatter. Assert:
|
||||
# - exit code is 0
|
||||
# - stderr does NOT contain the forbidden pattern
|
||||
assert_clean() {
|
||||
local label="$1"
|
||||
local forbidden="$2"
|
||||
local content="$3"
|
||||
local f="$TMPDIR/$(printf '%s' "$label" | tr ' /' '__').sh"
|
||||
|
||||
printf '%s\n' "$content" > "$f"
|
||||
|
||||
local stderr_file="$TMPDIR/$(basename "$f").stderr"
|
||||
"$FORMATTER" "$f" >/dev/null 2>"$stderr_file"
|
||||
local actual_exit=$?
|
||||
local stderr_content
|
||||
stderr_content="$(cat "$stderr_file")"
|
||||
|
||||
if [ "$actual_exit" -ne 0 ]; then
|
||||
fail "$label (exit)" "expected 0, got $actual_exit. stderr: $stderr_content"
|
||||
return
|
||||
fi
|
||||
|
||||
if [ -n "$forbidden" ] && echo "$stderr_content" | grep -qE "$forbidden"; then
|
||||
fail "$label (forbidden pattern)" "should NOT match '$forbidden', got: $stderr_content"
|
||||
return
|
||||
fi
|
||||
|
||||
pass "$label"
|
||||
}
|
||||
|
||||
# ===========================================================================
|
||||
echo "=== SETE-1: shebanged script without set -e ==="
|
||||
# ===========================================================================
|
||||
|
||||
# Positive: shebang, no set -e anywhere → must flag SETE-1, exit 1
|
||||
assert_flagged "SETE-1 positive" 1 "SETE-1" \
|
||||
"#!/usr/bin/env bash
|
||||
echo hello
|
||||
ls /nonexistent
|
||||
echo world"
|
||||
|
||||
# Negative: shebang + set -euo pipefail → no SETE-1 finding, exit 0
|
||||
assert_clean "SETE-1 negative (has set -euo pipefail)" "SETE-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
echo hello
|
||||
ls /nonexistent || true"
|
||||
|
||||
# Negative: shebang + set -e (short form) → no SETE-1 finding, exit 0
|
||||
assert_clean "SETE-1 negative (has set -e)" "SETE-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -e
|
||||
echo hello"
|
||||
|
||||
# Negative: sourced fragment (no shebang) without set -e → no SETE-1 finding
|
||||
# `shell=bash` directive satisfies shellcheck's SC2148 ("add a shebang or shell directive")
|
||||
assert_clean "SETE-1 negative (sourced fragment, no shebang)" "SETE-1" \
|
||||
"# shellcheck shell=bash
|
||||
echo hello
|
||||
ls /nonexistent || true
|
||||
echo world"
|
||||
|
||||
# ===========================================================================
|
||||
echo ""
|
||||
echo "=== SETE-2: sh/bash -c with multi-command string and no set -e ==="
|
||||
# ===========================================================================
|
||||
|
||||
# Positive: sh -c with two ;-separated commands and no set -e → flag SETE-2
|
||||
assert_flagged "SETE-2 positive (hugo mod get; mod tidy)" 1 "SETE-2" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
sh -c \"hugo mod get github.com/foo/bar; hugo mod tidy\""
|
||||
|
||||
# Positive: bash -c with multiple ; commands, no set -e
|
||||
assert_flagged "SETE-2 positive (bash -c cmd1; cmd2)" 1 "SETE-2" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
bash -c \"echo a; echo b; echo c\""
|
||||
|
||||
# Negative: sh -c with single command → no SETE-2 finding
|
||||
assert_clean "SETE-2 negative (single command)" "SETE-2" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
sh -c \"hugo mod tidy\""
|
||||
|
||||
# Negative: sh -c with multi commands BUT set -e inside → no SETE-2 finding
|
||||
assert_clean "SETE-2 negative (has set -e inside)" "SETE-2" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
sh -c \"set -e; hugo mod get; hugo mod tidy\""
|
||||
|
||||
# ===========================================================================
|
||||
echo ""
|
||||
echo "=== LEAK-1: secret-named file read into echo/printf/die/error/fail ==="
|
||||
# ===========================================================================
|
||||
|
||||
# Positive: die "$(cat "$KV_JSON_FILE")" — the canonical real case from the brief
|
||||
assert_flagged "LEAK-1 positive (die with cat \$KV_JSON_FILE)" 1 "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
die \"kv put failed: \$(cat \"\$KV_JSON_FILE\")\""
|
||||
|
||||
# Positive: echo with TOKEN-named file read
|
||||
assert_flagged "LEAK-1 positive (echo with \$GITHUB_TOKEN_FILE)" 1 "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
echo \"got: \$(cat \"\$GITHUB_TOKEN_FILE\")\""
|
||||
|
||||
# Positive: printf with PASSWORD-named file read
|
||||
assert_flagged "LEAK-1 positive (printf with \$DB_PASSWORD_FILE)" 1 "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
printf 'db password was: %s\n' \"\$(< \"\$DB_PASSWORD_FILE\")\""
|
||||
|
||||
# Negative: die with no secret-named variable
|
||||
assert_clean "LEAK-1 negative (regular error)" "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
die \"kv put failed: connection refused\""
|
||||
|
||||
# Negative: die with secret-named var but NOT read via cat/$() — just interpolated
|
||||
assert_clean "LEAK-1 negative (var interpolated, not cat-substituted)" "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
RESULT_VAR=foo
|
||||
die \"error code: \$RESULT_VAR\""
|
||||
|
||||
# Negative: secret-named var read via cat but NOT in echo/die/etc.
|
||||
# Mark vars as used via export so shellcheck doesn't flag SC2034.
|
||||
assert_clean "LEAK-1 negative (secret file read, not in echo)" "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
contents=\$(cat \"\$API_TOKEN_FILE\")
|
||||
export contents"
|
||||
|
||||
# Negative: echo with non-secret variable name
|
||||
assert_clean "LEAK-1 negative (echo with non-secret var)" "LEAK-1" \
|
||||
"#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
echo \"result file content: \$(cat \"\$RESULT_FILE\")\""
|
||||
|
||||
# ===========================================================================
|
||||
echo ""
|
||||
echo "=== Missing-tool warning (formatters/sh must NOT silently pass) ==="
|
||||
# ===========================================================================
|
||||
|
||||
# When neither tool is on PATH, formatter should emit ONE warning line.
|
||||
# Build a PATH that has bash + python3 but no shfmt or shellcheck, then run.
|
||||
PATH_CLEAN="$(mktemp -d)"
|
||||
ln -sf /usr/bin/bash "$PATH_CLEAN/bash"
|
||||
ln -sf /usr/bin/python3 "$PATH_CLEAN/python3"
|
||||
stderr_file="$TMPDIR/no-tools.stderr"
|
||||
# Use a clean fixture — must not flag any SETE/LEAK.
|
||||
printf '#!/usr/bin/env bash\nset -euo pipefail\necho hello\n' > "$TMPDIR/clean-fixture.sh"
|
||||
PATH="$PATH_CLEAN" bash "$FORMATTER" "$TMPDIR/clean-fixture.sh" >/dev/null 2>"$stderr_file"
|
||||
rc=$?
|
||||
stderr_content="$(cat "$stderr_file")"
|
||||
rm -rf "$PATH_CLEAN"
|
||||
|
||||
if [ "$rc" -eq 0 ] && echo "$stderr_content" | grep -qE 'formatters/sh: shfmt and shellcheck not installed'; then
|
||||
pass "missing-tool warning emitted, exit 0"
|
||||
else
|
||||
fail "missing-tool warning" "expected exit 0 + warning line, got exit=$rc stderr=$stderr_content"
|
||||
fi
|
||||
|
||||
# ===========================================================================
|
||||
echo ""
|
||||
echo "Results: $PASS passed, $FAIL failed"
|
||||
|
||||
if [ "$FAIL" -eq 0 ]; then
|
||||
echo "ALL_OK"
|
||||
exit 0
|
||||
fi
|
||||
exit 1
|
||||
Reference in New Issue
Block a user