# vim: set et sw=4 sts=4 fileencoding=utf-8:
#
# The colorzero color library
#
# Copyright (c) 2018 Dave Jones <dave@waveform.org.uk>
#
# SPDX-License-Identifier: BSD-3-Clause

"Tests for the colorzero.attr module"

from __future__ import (
    unicode_literals,
    print_function,
    division,
    absolute_import,
)

from math import pi

# pylint: disable=import-error,missing-docstring
import pytest
from colorzero import *


def test_hue_init():
    assert Hue(0.0) == 0.0
    assert Hue(1.0) == 0.0
    assert Hue(deg=0) == 0.0
    assert Hue(deg=360) == 0.0
    assert Hue(deg=720) == 0.0
    assert Hue(deg=-180) == 0.5
    assert Hue(deg=180) == 0.5
    assert Hue(rad=0) == 0.0
    assert Hue(rad=pi) == 0.5
    assert Hue(rad=2 * pi) == 0.0
    with pytest.raises(ValueError):
        Hue()


def test_red_repr():
    assert repr(Red(0.5)) == 'Red(0.5)'


def test_green_repr():
    assert repr(Green(1.0)) == 'Green(1)'


def test_blue_repr():
    assert repr(Blue(0.75)) == 'Blue(0.75)'


def test_hue_attr():
    assert Hue(0).deg == 0
    assert Hue(0.5).deg == 180
    assert Hue(1 / 3).deg == 120
    assert Hue(0).rad == 0
    assert Hue(0.5).rad == pi
    assert Hue(1 / 3).rad == (2 / 3) * pi


def test_hue_repr():
    assert repr(Hue(0)) == 'Hue(deg=0)'
    assert repr(Hue(0.5)) == 'Hue(deg=180)'
    assert repr(Hue(1/3)) == 'Hue(deg=120)'


def test_sat_repr():
    assert repr(Saturation(1.0)) == 'Saturation(1)'


def test_light_repr():
    assert repr(Lightness(0.25)) == 'Lightness(0.25)'


def test_luma_repr():
    assert repr(Luma(0.0)) == 'Luma(0)'