simplex-chat/packages/simplex-chat-mcp/test/unit/options.test.ts

import {helpText, parseCommand, validAgentName} from "../../src/cli"
import {entryText} from "../../src/control"
import {ExitError} from "../../src/log"
import {validName} from "../../src/messages"
import {ServeOptions, registerHint} from "../../src/serve"

const home = "/home/alice"

function usage(args: string[]): string {
  try {
    parseCommand(args, home)
  } catch (error) {
    expect(error).toBeInstanceOf(ExitError)
    expect((error as ExitError).code).toBe(2)
    return (error as ExitError).message
  }
  throw new Error("arguments accepted")
}

describe("serve options", () => {
  it("has defaults", () => {
    expect(parseCommand(["serve", "agent"], home)).toEqual({
      command: "serve",
      options: {
        name: "agent",
        data: "/home/alice/.simplex-mcp/agent",
        dataGiven: false,
        approve: "requests",
        expireHours: 23,
        resetOwners: false,
        newToken: false,
        port: 5226,
        qrCode: "small",
      },
    })
  })

  it("reads every option", () => {
    const {options} = parseCommand(
      ["serve", "agent-2", "--data", "/tmp/a", "--display-name", "Agent Two", "--approve", "host", "--expire", "1", "--port", "5227", "--qr-code", "large", "--new-token", "--reset-owners", "--owners"],
      home,
    ) as {options: object}
    expect(options).toEqual({
      name: "agent-2",
      data: "/tmp/a",
      dataGiven: true,
      displayName: "Agent Two",
      approve: "host",
      expireHours: 1,
      port: 5227,
      qrCode: "large",
      newToken: true,
      resetOwners: true,
      owners: [],
    })
  })

  it("takes the QR code size", () => {
    expect(parseCommand(["serve", "agent", "--qr-code", "small"], home)).toMatchObject({options: {qrCode: "small"}})
    expect(parseCommand(["serve", "agent", "--qr-code", "large"], home)).toMatchObject({options: {qrCode: "large"}})
    expect(usage(["serve", "agent", "--qr-code", "huge"])).toBe("--qr-code: small or large expected, got huge")
    expect(usage(["serve", "agent", "--qr-code"])).toBe("--qr-code: a value expected.")
  })

  it("takes --owners with and without a list", () => {
    expect(parseCommand(["serve", "agent", "--owners", "--port", "5300"], home)).toMatchObject({options: {owners: [], port: 5300}})
    expect(parseCommand(["serve", "agent", "--owners", "3:Alice Smith,7:Bob"], home)).toMatchObject({
      options: {owners: [{memberId: 3, name: "Alice Smith"}, {memberId: 7, name: "Bob"}]},
    })
  })

  it("checks ranges", () => {
    expect(usage(["serve", "agent", "--expire", "24"])).toBe("--expire: hours from 1 to 23 expected, got 24")
    expect(usage(["serve", "agent", "--expire", "0"])).toBe("--expire: hours from 1 to 23 expected, got 0")
    expect(usage(["serve", "agent", "--port", "65536"])).toBe("--port: a port from 1 to 65535 expected, got 65536")
    expect(usage(["serve", "agent", "--port", "x"])).toBe("--port: a port from 1 to 65535 expected, got x")
    expect(usage(["serve", "agent", "--approve", "all"])).toBe("--approve: requests or host expected, got all")
    expect(usage(["serve", "agent", "--port"])).toBe("--port: a value expected.")
  })

  it("rejects arguments", () => {
    expect(usage(["serve", "agent", "--reset-owners", "--owners", "3:Alice"])).toBe("--reset-owners takes --owners without a list: member IDs change in a new agent control chat.")
    expect(usage(["serve", "agent", "--owners", "Alice"])).toBe("--owners: ID:NAME expected, got Alice")
    expect(usage(["serve", "Agent"])).toBe("NAME: 1 to 32 lowercase letters, digits and single hyphens, starting with a letter or digit.")
    expect(usage(["serve"])).toBe("NAME: 1 to 32 lowercase letters, digits and single hyphens, starting with a letter or digit.")
    expect(usage(["serve", "agent", "--colour"])).toBe("Unknown option --colour. Run simplex-mcp --help.")
    expect(usage(["start", "agent"])).toMatch(/^Usage: /)
  })

  it("checks the display name", () => {
    expect(usage(["serve", "agent", "--display-name", "agent.bot"])).toBe("--display-name: not a valid SimpleX name; try agentbot")
    expect(usage(["serve", "agent", "--display-name", " agent"])).toBe("--display-name: not a valid SimpleX name; try agent")
    expect(parseCommand(["serve", "agent", "--display-name", "Ridgeline Scout"], home)).toMatchObject({options: {displayName: "Ridgeline Scout"}})
  })
})

describe("NAME", () => {
  it("accepts lowercase letters, digits and single hyphens", () => {
    for (const name of ["agent", "a", "agent-2", "2agent", "a-b-c", "a-", "x".repeat(32)]) expect(validAgentName(name)).toBe(true)
    for (const name of ["", "-a", "a--b", "A", "a_b", "a.b", "x".repeat(33)]) expect(validAgentName(name)).toBe(false)
  })
})

describe("display names", () => {
  it("follows mkValidName", () => {
    expect(validName("Alice")).toBe("Alice")
    expect(validName("Alice Smith")).toBe("Alice Smith")
    expect(validName("Alice  Smith ")).toBe("Alice Smith")
    expect(validName("@alice")).toBe("alice")
    expect(validName("alice_12")).toBe("alice-12")
    expect(validName("a-b")).toBe("a-b")
    expect(validName("x".repeat(60))).toBe("x".repeat(50))
    expect(validName("$")).toBe("")
  })
})

describe("register options", () => {
  it("has defaults and reads options", () => {
    expect(parseCommand(["register", "agent"], home)).toEqual({command: "register", options: {name: "agent", data: "/home/alice/.simplex-mcp/agent", scope: "user"}})
    expect(parseCommand(["register", "agent", "--scope", "local", "--data", "/tmp/a"], home)).toEqual({command: "register", options: {name: "agent", data: "/tmp/a", scope: "local"}})
    expect(usage(["register", "agent", "--scope", "project"])).toBe("--scope: user or local expected, got project")
  })
})

describe("printed commands", () => {
  const platform = Object.getOwnPropertyDescriptor(process, "platform")!
  const onPlatform = (value: NodeJS.Platform): void => {
    Object.defineProperty(process, "platform", {...platform, value})
  }
  const hint = (data?: string): string => registerHint({...(parseCommand(["serve", "agent"], home) as {options: ServeOptions}).options, ...(data === undefined ? {} : {data, dataGiven: true})})

  afterEach(() => Object.defineProperty(process, "platform", platform))

  it("quote owner entries and the data folder for a POSIX shell", () => {
    onPlatform("linux")
    expect(entryText({memberId: 3, name: "Alice"})).toBe("3:Alice")
    expect(entryText({memberId: 3, name: "Ana-Lu_2"})).toBe("3:Ana-Lu_2")
    expect(entryText({memberId: 3, name: "Alice Smith"})).toBe("'3:Alice Smith'")
    expect(entryText({memberId: 3, name: "O'Neil"})).toBe("'3:O'\\''Neil'")
    expect(hint()).toBe("Add the agent to Claude Code:\n  npx -y @simplex-chat/mcp register agent")
    expect(hint("/tmp/a-1/b_2.c")).toBe("Add the agent to Claude Code:\n  npx -y @simplex-chat/mcp register agent --data /tmp/a-1/b_2.c")
    expect(hint("/tmp/my agent's")).toBe("Add the agent to Claude Code:\n  npx -y @simplex-chat/mcp register agent --data '/tmp/my agent'\\''s'")
  })

  it("quote with double quotes on Windows", () => {
    onPlatform("win32")
    expect(entryText({memberId: 3, name: "Ana-Lu_2"})).toBe("3:Ana-Lu_2")
    expect(entryText({memberId: 3, name: "Alice Smith"})).toBe('"3:Alice Smith"')
    expect(hint("C:\\Users\\alice\\agent")).toBe("Add the agent to Claude Code:\n  npx -y @simplex-chat/mcp register agent --data C:\\Users\\alice\\agent")
    expect(hint("C:\\Users\\Ana Lu\\agent")).toBe('Add the agent to Claude Code:\n  npx -y @simplex-chat/mcp register agent --data "C:\\Users\\Ana Lu\\agent"')
  })
})

describe("help", () => {
  it("matches the manual", () => {
    expect(parseCommand(["--help"], home)).toEqual({command: "help"})
    expect(helpText).toContain("  --owners [ID:NAME,...] only these owners approve; without a list, the link\n")
    expect(helpText.endsWith("--reset-owners takes --owners without a list.\n")).toBe(true)
  })
})