import { describe, expect, it, vi } from "vitest";
const readFileSync = vi.fn();
vi.mock("node:fs", () => ({
readFileSync,
}));
const { restoreSandboxEnv } = await import("../src/bun/restore-sandbox-env.js");
describe("restoreSandboxEnv", () => {
it("does nothing when not running under bun", () => {
const originalVersions = Object.getOwnPropertyDescriptor(process, "versions");
Object.defineProperty(process, "versions", {
value: { node: "20.0.0" },
});
const envBefore = { ...process.env };
restoreSandboxEnv();
expect(process.env).toEqual(envBefore);
if (originalVersions) {
Object.defineProperty(process, "versions", originalVersions);
}
});
it("does nothing when process.env already has entries", () => {
const originalVersions = Object.getOwnPropertyDescriptor(process, "versions");
Object.defineProperty(process, "versions", {
value: { bun: "1.2.0", node: "20.0.0" },
});
process.env.RESTORE_SANDBOX_ENV_TEST = "1";
const envBefore = { ...process.env };
restoreSandboxEnv();
expect(process.env).toEqual(envBefore);
delete process.env.RESTORE_SANDBOX_ENV_TEST;
if (originalVersions) {
Object.defineProperty(process, "versions", originalVersions);
}
});
it("restores environment from /proc/self/environ when bun env is empty", () => {
const originalVersions = Object.getOwnPropertyDescriptor(process, "versions");
Object.defineProperty(process, "versions", {
value: { bun: "1.2.0", node: "20.0.0" },
});
const envBackup = { ...process.env };
for (const key of Object.keys(process.env)) {
delete process.env[key];
}
readFileSync.mockReturnValue("FOO=bar\0BAZ=qux\0");
restoreSandboxEnv();
expect(readFileSync).toHaveBeenCalledWith("/proc/self/environ", "utf-8");
expect(process.env.FOO).toBe("bar");
expect(process.env.BAZ).toBe("qux");
for (const key of Object.keys(process.env)) {
delete process.env[key];
}
Object.assign(process.env, envBackup);
if (originalVersions) {
Object.defineProperty(process, "versions", originalVersions);
}
readFileSync.mockReset();
});
});