"""Meshtastic unit tests for util.py"""

import re

import pytest

from meshtastic.util import fixme, stripnl, pskToString, our_exit, support_info


@pytest.mark.unit
def test_stripnl():
    """Test stripnl"""
    assert stripnl('') == ''
    assert stripnl('a\n') == 'a'
    assert stripnl(' a \n ') == 'a'
    assert stripnl('a\nb') == 'a b'


@pytest.mark.unit
def test_pskToString_empty_string():
    """Test pskToString empty string"""
    assert pskToString('') == 'unencrypted'


@pytest.mark.unit
def test_pskToString_string():
    """Test pskToString string"""
    assert pskToString('hunter123') == 'secret'


@pytest.mark.unit
def test_pskToString_one_byte_zero_value():
    """Test pskToString one byte that is value of 0"""
    assert pskToString(bytes([0x00])) == 'unencrypted'


@pytest.mark.unit
def test_pskToString_one_byte_non_zero_value():
    """Test pskToString one byte that is non-zero"""
    assert pskToString(bytes([0x01])) == 'default'


@pytest.mark.unit
def test_pskToString_many_bytes():
    """Test pskToString many bytes"""
    assert pskToString(bytes([0x02, 0x01])) == 'secret'


@pytest.mark.unit
def test_our_exit_zero_return_value():
    """Test our_exit with a zero return value"""
    with pytest.raises(SystemExit) as pytest_wrapped_e:
        our_exit("Warning: Some message", 0)
    assert pytest_wrapped_e.type == SystemExit
    assert pytest_wrapped_e.value.code == 0


@pytest.mark.unit
def test_our_exit_non_zero_return_value():
    """Test our_exit with a non-zero return value"""
    with pytest.raises(SystemExit) as pytest_wrapped_e:
        our_exit("Error: Some message", 1)
    assert pytest_wrapped_e.type == SystemExit
    assert pytest_wrapped_e.value.code == 1


@pytest.mark.unit
def test_fixme():
    """Test fixme"""
    with pytest.raises(Exception) as pytest_wrapped_e:
        fixme("some exception")
    assert pytest_wrapped_e.type == Exception


@pytest.mark.unit
def test_support_info(capsys):
    """Test support_info"""
    support_info()
    out, err = capsys.readouterr()
    assert re.search(r'System', out, re.MULTILINE)
    assert re.search(r'Platform', out, re.MULTILINE)
    assert re.search(r'Machine', out, re.MULTILINE)
    assert re.search(r'Executable', out, re.MULTILINE)
    assert err == ''