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import numpy
import pytest
from UM.Math.Matrix import Matrix
from UM.Math.Ray import Ray
from UM.Math.Vector import Vector
from UM.Mesh.MeshData import MeshData
from UM.Scene.Camera import Camera
from unittest.mock import MagicMock, patch
from copy import deepcopy
@pytest.fixture
def camera():
with patch("UM.Application.Application.getInstance", MagicMock()):
return Camera()
def test_setMeshData(camera):
with pytest.raises(AssertionError):
camera.setMeshData(MeshData())
# This is allowed
camera.setMeshData(None)
def test_getterAndSetters(camera):
# Pretty much all of them are super simple, but it doesn't hurt to check them.
camera.setAutoAdjustViewPort(False)
assert camera.getAutoAdjustViewPort() == False
camera.setViewportWidth(12)
assert camera.getViewportWidth() == 12
camera.setViewportHeight(12)
assert camera.getViewportHeight() == 12
camera.setViewportSize(22, 22)
assert camera.getViewportHeight() == 22
assert camera.getViewportWidth() == 22
camera.setWindowSize(9001, 9002)
assert camera.getWindowSize() == (9001, 9002)
camera.setPerspective(False)
assert camera.isPerspective() == False
matrix = Matrix()
matrix.setPerspective(10, 20, 30, 40)
camera.setProjectionMatrix(matrix)
assert numpy.array_equal(camera.getProjectionMatrix().getData(), matrix.getData())
camera.setZoomFactor(1)
assert camera.getZoomFactor() == 1
assert camera.render(None) # Should always be true, as it's a camera
def test_deepCopy(camera):
camera.setWindowSize(100, 200)
camera.setViewportSize(300, 400)
copied_camera = deepcopy(camera)
assert copied_camera.getWindowSize() == (100, 200)
assert copied_camera.getViewportHeight() == 400
assert copied_camera.getViewportWidth() == 300
@pytest.mark.parametrize("coordinates,direction", [((0, 0), (0.0, 0.0, -1.0)),
((50, 50), (0.7061278820037842, -0.7061278820037842, -0.0526)),
((100, 100), (0.706861674785614, -0.706861674785614, -0.026327675208449364)),
((42, 8), (0.9786322116851807, -0.18640615046024323, -0.08678573369979858))])
def test_getRayPerspective(coordinates, direction, camera):
camera.setViewportSize(100, 100)
camera.setWindowSize(100, 100)
result_ray = camera.getRay(coordinates[0], coordinates[1])
assert result_ray.direction == Vector(direction[0], direction[1], direction[2])
@pytest.mark.parametrize("coordinates,direction", [((0, 0), (0.0, 0.0, -1.0)),
((50, 50), (0.0, 0.0, -1.0)),
((100, 100), (0.0, 0.0, -1.0)),
((42, 8), (0.0, 0.0, -1.0))])
def test_getRayOrthographic(coordinates, direction, camera):
camera.isPerspective = MagicMock(return_value = False)
camera.setViewportSize(100, 100)
camera.setWindowSize(100, 100)
result_ray = camera.getRay(coordinates[0], coordinates[1])
assert result_ray.direction == Vector(direction[0], direction[1], direction[2])
def test_project(camera):
assert camera.project(Vector(10, 10, 10)) == (-10.000000372529039, -10.000000372529039)
def test_getViewProjectionMatrix(camera):
assert camera.getViewProjectionMatrix() == Matrix([[0.2, 0, 0, 0],
[0, 0.2, 0, 0],
[0, 0, -0.01, 0],
[0, 0, 0, 1]])
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