114 lines
4.0 KiB
TypeScript
114 lines
4.0 KiB
TypeScript
import { createHash } from "node:crypto";
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import { readFile, writeFile } from "node:fs/promises";
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import { join } from "node:path";
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import { expect } from "vitest";
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import { toolContract } from "../../src/contracts/toolContracts.js";
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import {
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elfNote,
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elfNoteFixture,
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} from "../../src/native/elf/ElfNotes.fixture.js";
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import { createTestTempDirectory } from "../fixtures/temporaryDirectory.js";
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import { cliTest } from "../support/cli/cliFixture.js";
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// Literal big-endian descriptors keep the expected values independent of the
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// fixture's integer writers and the parser's byte-order branch.
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const knownAbi = Buffer.from("00000000010203041020304080010203", "hex");
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const unknownAbi = Buffer.from("01000000010203041020304080010203", "hex");
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const extendedAbi = Buffer.concat([knownAbi, Buffer.from("01020304", "hex")]);
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const shortAbi = knownAbi.subarray(0, 12);
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const descriptorHash = (bytes: Buffer): string =>
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createHash("sha256").update(bytes).digest("hex");
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for (const { bits, ownership, machine } of [
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{ bits: 32, ownership: "program", machine: 20 },
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{ bits: 64, ownership: "section", machine: 21 },
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] as const)
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cliTest(
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`preserves big-endian ELF${String(bits)} ABI facts through CLI and stdio MCP`,
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async ({ cli }) => {
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const root = await createTestTempDirectory("rea-elf-abi-endian-");
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const path = join(root, "selected.elf");
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const descriptors = [
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knownAbi,
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unknownAbi,
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shortAbi,
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extendedAbi,
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knownAbi,
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];
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const notes = Buffer.concat([
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...descriptors
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.slice(0, 4)
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.map((bytes) => elfNote("GNU", 1, bytes, false)),
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elfNote("OTHER", 1, knownAbi, false),
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]);
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const bytes = elfNoteFixture({
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bits,
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ownership,
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machine,
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little: false,
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notes,
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});
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await writeFile(path, bytes);
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const output = await cli.sharedCliRun!({
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arguments: ["inspect-elf-notes", path, "--json"],
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});
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expect(output.exitCode, output.stderr).toBe(0);
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const call = await cli.sharedMcpCall!();
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const response = await call("inspect_elf_notes", { path });
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expect(response.isError, JSON.stringify(response.content)).not.toBe(true);
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const schema = toolContract("inspect_elf_notes").outputSchema;
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const reports = [output.json, response.structuredContent].map((value) => {
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const evidence = schema.parse(value);
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expect(evidence.subject).toMatchObject({
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local_path: path,
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digest: { sha256: descriptorHash(bytes) },
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});
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const report = evidence.normalized_result;
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expect(report).toMatchObject({
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format: `elf${String(bits)}`,
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byte_order: "big",
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machine,
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coverage: {
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status: "complete",
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examined_tables: 1,
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examined_entries: 5,
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},
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});
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expect(report.entries).toHaveLength(5);
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expect(report.entries[0]?.gnu?.abi_tag).toEqual({
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os: 0,
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os_name: "linux",
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major: 0x01020304,
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minor: 0x10203040,
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subminor: 0x80010203,
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});
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expect(report.entries[1]?.gnu?.abi_tag).toEqual({
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os: 0x01000000,
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os_name: null,
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major: 0x01020304,
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minor: 0x10203040,
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subminor: 0x80010203,
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});
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// Unexpected lengths stay raw; no ABI values are invented or truncated.
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for (const index of [2, 3])
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expect(report.entries[index]?.gnu?.abi_tag).toBeNull();
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expect(report.entries[4]).toMatchObject({
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owner: "OTHER",
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type_name: "unknown",
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gnu: null,
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});
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for (const [index, descriptor] of descriptors.entries())
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expect(report.entries[index]?.descriptor).toMatchObject({
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bytes: descriptor.length,
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sha256: descriptorHash(descriptor),
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});
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return report;
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});
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expect(reports[0]).toEqual(reports[1]);
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expect((await readFile(path)).equals(bytes)).toBe(true);
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},
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);
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