import { describe, it, expect } from "vitest";
import { isLocalHost } from "./host-utils.js";
import type { HostConfig } from "../types.js";
describe("isLocalHost", () => {
describe("local host detection", () => {
it("detects localhost hostname", () => {
const host: HostConfig = {
name: "local",
host: "localhost",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("detects 127.0.0.1 IPv4", () => {
const host: HostConfig = {
name: "local",
host: "127.0.0.1",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("detects ::1 IPv6 loopback", () => {
const host: HostConfig = {
name: "local",
host: "::1",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("detects 0.0.0.0 (all interfaces)", () => {
const host: HostConfig = {
name: "local",
host: "0.0.0.0",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("detects Unix socket path without SSH user", () => {
const host: HostConfig = {
name: "local",
host: "localhost",
protocol: "ssh",
dockerSocketPath: "/var/run/docker.sock"
};
expect(isLocalHost(host)).toBe(true);
});
it("detects protocol 'ssh' with localhost and no SSH user", () => {
const host: HostConfig = {
name: "local",
host: "localhost",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
});
describe("remote host detection", () => {
it("detects remote IP as not local", () => {
const host: HostConfig = {
name: "remote",
host: "192.168.1.100",
protocol: "ssh",
sshUser: "admin"
};
expect(isLocalHost(host)).toBe(false);
});
it("detects remote hostname as not local", () => {
const host: HostConfig = {
name: "remote",
host: "server.example.com",
protocol: "ssh",
sshUser: "admin"
};
expect(isLocalHost(host)).toBe(false);
});
it("detects localhost with SSH user as remote (requires SSH)", () => {
const host: HostConfig = {
name: "remote",
host: "localhost",
protocol: "ssh",
sshUser: "admin"
};
expect(isLocalHost(host)).toBe(false);
});
it("detects 127.0.0.1 with SSH user as remote (requires SSH)", () => {
const host: HostConfig = {
name: "remote",
host: "127.0.0.1",
protocol: "ssh",
sshUser: "admin"
};
expect(isLocalHost(host)).toBe(false);
});
it("detects http/https protocol as not local (Docker API only)", () => {
const host: HostConfig = {
name: "remote",
host: "localhost",
protocol: "http"
};
expect(isLocalHost(host)).toBe(false);
});
});
describe("edge cases", () => {
it("handles uppercase localhost", () => {
const host: HostConfig = {
name: "local",
host: "LOCALHOST",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("handles localhost with port", () => {
const host: HostConfig = {
name: "local",
host: "localhost",
port: 2375,
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("handles 127.0.0.2 (also loopback range)", () => {
const host: HostConfig = {
name: "local",
host: "127.0.0.2",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
it("handles 127.255.255.255 (end of loopback range)", () => {
const host: HostConfig = {
name: "local",
host: "127.255.255.255",
protocol: "ssh"
};
expect(isLocalHost(host)).toBe(true);
});
});
});
