"""WebSSH terminal DATA payload encoding (ANSI-safe base64)."""
import base64

from server.api.webssh import WEBSSH_PTY_ENV, _terminal_payload_b64


def test_pty_env_has_color_term():
    assert WEBSSH_PTY_ENV["TERM"] == "xterm-256color"
    assert WEBSSH_PTY_ENV["COLORTERM"] == "truecolor"
    assert WEBSSH_PTY_ENV["FORCE_COLOR"] == "1"


def test_terminal_payload_b64_preserves_ansi_escapes():
    raw = "\x1b[31mred\x1b[32mgreen\x1b[0m\n"
    b64 = _terminal_payload_b64(raw)
    decoded = base64.b64decode(b64)
    assert decoded == raw.encode("utf-8")


def test_terminal_payload_b64_from_bytes():
    raw = b"\x1b[33myellow\x1b[0m"
    b64 = _terminal_payload_b64(raw)
    assert base64.b64decode(b64) == raw