defmodule ProxmoxAgent.ShellTest do
  use ExUnit.Case, async: true

  alias ProxmoxAgent.Shell

  test "run/2 returns {:ok, output} on zero exit" do
    assert {:ok, output} = Shell.run("/bin/echo", ["hello"])
    assert String.trim(output) == "hello"
  end

  test "run/2 returns {:error, {:nonzero_exit, code, output}} on non-zero exit" do
    assert {:error, {:nonzero_exit, code, _}} = Shell.run("/bin/sh", ["-c", "exit 7"])
    assert code == 7
  end

  test "run/2 returns {:error, {:enoent, _}} when binary is missing" do
    assert {:error, {:enoent, _}} = Shell.run("/does/not/exist/nope", [])
  end
end