import { describe, it, expect } from "bun:test";
import { createProgram } from "./cli";

describe("#given the goatcode CLI program", () => {
  describe("#when the program is created", () => {
    it("#then the program name is goatcode-sh", () => {
      const program = createProgram();
      expect(program.name()).toBe("goatcode-sh");
    });

    it("#then the program has a version from package.json", () => {
      const program = createProgram();
      const semverRegex = /^\d+\.\d+\.\d+(-[\w.]+)?$/;
      expect(program.version()).toMatch(semverRegex);
    });

    it("#then the install subcommand is registered", () => {
      const program = createProgram();
      const names = program.commands.map((cmd) => cmd.name());
      expect(names).toContain("install");
    });

    it("#then the update subcommand is registered", () => {
      const program = createProgram();
      const names = program.commands.map((cmd) => cmd.name());
      expect(names).toContain("update");
    });

    it("#then exactly two subcommands are registered", () => {
      const program = createProgram();
      expect(program.commands).toHaveLength(2);
    });
  });
});