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fix(js): update exec security test for sandbox-safe exec behavior #851

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chaliy merged 1 commit into from
Mar 26, 2026
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fix(js): update exec security test for sandbox-safe exec behavior #851

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7 changes: 4 additions & 3 deletions crates/bashkit-js/__test__/security.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -120,10 +120,11 @@ test("WB: stderr truncation on massive error output", (t) => {
// 3. WHITE-BOX — Sandbox Escape Prevention (TM-ESC)
// ============================================================================

test("WB: exec builtin blocked (TM-ESC-001)", (t) => {
test("WB: exec cannot escape sandbox (TM-ESC-001)", (t) => {
const bash = new Bash();
const r = bash.executeSync("exec ls");
t.not(r.exitCode, 0, "exec must be blocked");
// exec runs commands within VFS sandbox — external binaries don't exist
const r = bash.executeSync("exec /bin/bash");
t.not(r.exitCode, 0, "exec of external binary must fail in sandbox");
});

test("WB: /proc filesystem not accessible (TM-ESC-003)", (t) => {
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