File size: 2,168 Bytes
5448d8b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | import { test } from "node:test";
import assert from "node:assert/strict";
import { writeFileSync, mkdtempSync, rmSync } from "node:fs";
import { join } from "node:path";
import { tmpdir } from "node:os";
import { validateBinaryMagic, platformBinaryLabel } from "../../../bin/cli/runtime/magicBytes.mjs";
const dir = mkdtempSync(join(tmpdir(), "magic-test-"));
test("detects ELF", () => {
const p = join(dir, "fake.so");
writeFileSync(p, Buffer.from([0x7f, 0x45, 0x4c, 0x46, 0, 0, 0, 0]));
assert.equal(validateBinaryMagic(p), "elf");
});
test("detects Mach-O 64-bit BE", () => {
const p = join(dir, "fake.dylib");
writeFileSync(p, Buffer.from([0xfe, 0xed, 0xfa, 0xcf, 0, 0, 0, 0]));
assert.equal(validateBinaryMagic(p), "macho");
});
test("detects Mach-O LE", () => {
const p = join(dir, "fake-le.dylib");
writeFileSync(p, Buffer.from([0xcf, 0xfa, 0xed, 0xfe, 0, 0, 0, 0]));
assert.equal(validateBinaryMagic(p), "macho-le");
});
test("detects Mach-O fat binary", () => {
const p = join(dir, "fake.fat");
writeFileSync(p, Buffer.from([0xca, 0xfe, 0xba, 0xbe, 0, 0, 0, 0]));
assert.equal(validateBinaryMagic(p), "macho-fat");
});
test("detects PE (MZ)", () => {
const p = join(dir, "fake.node");
writeFileSync(p, Buffer.from([0x4d, 0x5a, 0, 0, 0, 0, 0, 0]));
assert.equal(validateBinaryMagic(p), "pe");
});
test("returns null for non-binary", () => {
const p = join(dir, "fake.txt");
writeFileSync(p, "hello world", "utf-8");
assert.equal(validateBinaryMagic(p), null);
});
test("returns null for missing file", () => {
assert.equal(validateBinaryMagic(join(dir, "nope.bin")), null);
});
test("returns null for too-short file", () => {
const p = join(dir, "short.bin");
writeFileSync(p, Buffer.from([0x7f, 0x45]));
assert.equal(validateBinaryMagic(p), null);
});
test("platformBinaryLabel matches process.platform", () => {
const expected =
process.platform === "win32" ? "pe" : process.platform === "darwin" ? "macho" : "elf";
assert.equal(platformBinaryLabel(), expected);
});
test.after(() => rmSync(dir, { recursive: true, force: true }));
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