78 lines
2.9 KiB
TypeScript
78 lines
2.9 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 { describe, expect, it } from "vitest";
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import { parseBinaryTarget } from "../../../src/application/BinaryTargetResolver.js";
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import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
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describe("DOS COM admission", () => {
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it("requires explicit interpretation even when a DOS COM uses a misleading suffix", async () => {
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const directory = await createTestTempDirectory("rea-com-target-");
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const path = join(directory, "fixture.js");
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const bytes = Buffer.from("b83412c3", "hex");
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await writeFile(path, bytes);
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const target = await parseBinaryTarget(path, {
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cwd: directory,
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hostArchitecture: "arm64",
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formatHint: "dos-com",
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});
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expect(target).toMatchObject({
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ok: true,
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value: {
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path,
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format: "dos-com",
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kind: "executable",
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architecture: "x86",
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availableArchitectures: ["x86"],
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sha256: createHash("sha256").update(bytes).digest("hex"),
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},
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});
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expect(await readFile(path)).toEqual(bytes);
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const detected = await parseBinaryTarget(path);
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expect(detected.ok && detected.value.format).not.toBe("dos-com");
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});
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it.each([0, 0xff01])("rejects invalid file extent %i", async (length) => {
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const directory = await createTestTempDirectory("rea-com-target-");
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const path = join(directory, "fixture.com");
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await writeFile(path, Buffer.alloc(length));
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expect(
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await parseBinaryTarget(path, {
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cwd: directory,
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hostArchitecture: "x64",
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formatHint: "dos-com",
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}),
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).toMatchObject({ ok: false, error: { _tag: "BinaryTargetError" } });
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});
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it.each([1, 0xff00])("admits the actual file extent %i", async (length) => {
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const directory = await createTestTempDirectory("rea-com-target-");
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const path = join(directory, "fixture.com");
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const bytes = Buffer.alloc(length, 0xc3);
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await writeFile(path, bytes);
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const target = await parseBinaryTarget(path, {
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cwd: directory,
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hostArchitecture: "x64",
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formatHint: "dos-com",
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});
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if (!target.ok) throw target.error;
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expect(target.value).toMatchObject({
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format: "dos-com",
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architecture: "x86",
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sha256: createHash("sha256").update(bytes).digest("hex"),
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});
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expect(await readFile(path)).toEqual(bytes);
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});
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it("rejects contradictory target kind", async () => {
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const directory = await createTestTempDirectory("rea-com-target-");
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const path = join(directory, "fixture.com");
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await writeFile(path, Buffer.from("c3", "hex"));
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expect(
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await parseBinaryTarget(path, {
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cwd: directory,
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hostArchitecture: "x64",
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targetKind: "database",
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formatHint: "dos-com",
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}),
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).toMatchObject({ ok: false, error: { _tag: "BinaryTargetError" } });
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});
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});
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