from math import isclose

from pytest import fixture

from tdcgal.plane.objects import *

class TestPoint2D:

    def setup_method(self):
        self.point1 = Point2D(1.0, 2.0)
        self.point2 = Point2D(3.0, 4.0)

    def test_distance(self):
        assert isclose(self.point1.distance_to_point(self.point2), 8 ** 0.5)

    def test_x(self):
        assert self.point1.x() == 1
        assert self.point2.x() == 3

    def test_y(self):
        assert self.point1.y() == 2
        assert self.point2.y() == 4
"""

class TestLine:
    def setup_method(self):
        self.line1 = Line((1, 3), (1, 4))
        self.line2 = Line((1, 1), (2, 2))
        self.line3 = Line((37, 5), (7, 29))

    def test_slope(self):
        assert self.line1.slope == float("inf")
        assert self.line2.slope == 1

    def test_y_intercept(self):
        assert self.line1.y_intercept == float("inf")
        assert self.line2.y_intercept == 0
        assert self.line3.y_intercept == 34.6

    def test_equation(self):
        assert self.line1.expression == "1.0*x - 1.0 = 0"
        assert self.line2.expression == "1.0*x - 1.0*y = 0"
        assert self.line3.expression == "24.0*x + 30.0*y - 1038.0 = 0"

    def test_contains(self):
        assert (1, 5) not in self.line1
        assert (1, 3.2) in self.line1
        assert (1.45, 1.45) in self.line2
        assert (3, 3) not in self.line2
        assert (37, 5) in self.line3
        assert (7, 29) in self.line3
        assert (12, 25) in self.line3
        assert (12, 12) not in self.line3
        assert (3, 32.2) not in self.line3
        assert self.line3.contains((6, 29.8), allow_on_extended=True)
    
    def test_length(self):
        assert self.line1.length == 1
        assert self.line2.length == 2 ** 0.5
        assert isclose(self.line3.length, 38.41874542459709)

    def test_distance(self):
        assert self.line1.point_distance((1, 5)) == 1
        assert self.line2.point_distance((1.5, 1.5)) == 0
        assert isclose(self.line3.point_distance((12, 24)),0.780868809443030)

"""