/usr/share/pyshared/collada/tests/test_camera.py is in python-collada 0.4-2.
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from collada.common import DaeMalformedError
from collada.util import unittest
from collada.xmlutil import etree
fromstring = etree.fromstring
tostring = etree.tostring
class TestCamera(unittest.TestCase):
def setUp(self):
self.dummy = collada.Collada(validate_output=True)
def test_perspective_camera_xfov_yfov_aspect_ratio(self):
#test invalid xfov,yfov,aspect_ratio combinations
with self.assertRaises(DaeMalformedError):
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=None, yfov=None, aspect_ratio=None)
with self.assertRaises(DaeMalformedError):
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=0.2, yfov=30, aspect_ratio=50)
with self.assertRaises(DaeMalformedError):
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=None, yfov=None, aspect_ratio=50)
#xfov alone
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=30, yfov=None, aspect_ratio=None)
self.assertEqual(cam.xfov, 30)
self.assertIsNone(cam.yfov)
self.assertIsNone(cam.aspect_ratio)
#yfov alone
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=None, yfov=50, aspect_ratio=None)
self.assertIsNone(cam.xfov)
self.assertEqual(cam.yfov, 50)
self.assertIsNone(cam.aspect_ratio)
#xfov + yfov
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=30, yfov=50, aspect_ratio=None)
self.assertEqual(cam.xfov, 30)
self.assertEqual(cam.yfov, 50)
self.assertIsNone(cam.aspect_ratio)
#xfov + aspect_ratio
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=30, yfov=None, aspect_ratio=1)
self.assertEqual(cam.xfov, 30)
self.assertIsNone(cam.yfov)
self.assertEqual(cam.aspect_ratio, 1)
#yfov + aspect_ratio
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=None, yfov=50, aspect_ratio=1)
self.assertIsNone(cam.xfov)
self.assertEqual(cam.yfov, 50)
self.assertEqual(cam.aspect_ratio, 1)
def test_perspective_camera_saving(self):
cam = collada.camera.PerspectiveCamera("mycam", 1, 1000, xfov=30)
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xfov, 30)
self.assertEqual(cam.yfov, None)
self.assertEqual(cam.aspect_ratio, None)
cam.save()
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xfov, 30)
self.assertEqual(cam.yfov, None)
self.assertEqual(cam.aspect_ratio, None)
cam = collada.camera.PerspectiveCamera.load(self.dummy, {}, fromstring(tostring(cam.xmlnode)))
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xfov, 30)
self.assertEqual(cam.yfov, None)
self.assertEqual(cam.aspect_ratio, None)
cam.id = "yourcam"
cam.znear = 5
cam.zfar = 500
cam.xfov = None
cam.yfov = 50
cam.aspect_ratio = 1.3
cam.save()
cam = collada.camera.PerspectiveCamera.load(self.dummy, {}, fromstring(tostring(cam.xmlnode)))
self.assertEqual(cam.id, "yourcam")
self.assertEqual(cam.znear, 5)
self.assertEqual(cam.zfar, 500)
self.assertEqual(cam.xfov, None)
self.assertEqual(cam.yfov, 50)
self.assertEqual(cam.aspect_ratio, 1.3)
cam.xfov = 20
with self.assertRaises(DaeMalformedError):
cam.save()
def test_orthographic_camera_xmag_ymag_aspect_ratio(self):
#test invalid xmag,ymag,aspect_ratio combinations
with self.assertRaises(DaeMalformedError):
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=None, ymag=None, aspect_ratio=None)
with self.assertRaises(DaeMalformedError):
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=0.2, ymag=30, aspect_ratio=50)
with self.assertRaises(DaeMalformedError):
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=None, ymag=None, aspect_ratio=50)
#xmag alone
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=30, ymag=None, aspect_ratio=None)
self.assertEqual(cam.xmag, 30)
self.assertIsNone(cam.ymag)
self.assertIsNone(cam.aspect_ratio)
#ymag alone
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=None, ymag=50, aspect_ratio=None)
self.assertIsNone(cam.xmag)
self.assertEqual(cam.ymag, 50)
self.assertIsNone(cam.aspect_ratio)
#xmag + ymag
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=30, ymag=50, aspect_ratio=None)
self.assertEqual(cam.xmag, 30)
self.assertEqual(cam.ymag, 50)
self.assertIsNone(cam.aspect_ratio)
#xmag + aspect_ratio
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=30, ymag=None, aspect_ratio=1)
self.assertEqual(cam.xmag, 30)
self.assertIsNone(cam.ymag)
self.assertEqual(cam.aspect_ratio, 1)
#ymag + aspect_ratio
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=None, ymag=50, aspect_ratio=1)
self.assertIsNone(cam.xmag)
self.assertEqual(cam.ymag, 50)
self.assertEqual(cam.aspect_ratio, 1)
def test_orthographic_camera_saving(self):
cam = collada.camera.OrthographicCamera("mycam", 1, 1000, xmag=30)
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xmag, 30)
self.assertEqual(cam.ymag, None)
self.assertEqual(cam.aspect_ratio, None)
cam.save()
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xmag, 30)
self.assertEqual(cam.ymag, None)
self.assertEqual(cam.aspect_ratio, None)
cam = collada.camera.OrthographicCamera.load(self.dummy, {}, fromstring(tostring(cam.xmlnode)))
self.assertEqual(cam.id, "mycam")
self.assertEqual(cam.znear, 1)
self.assertEqual(cam.zfar, 1000)
self.assertEqual(cam.xmag, 30)
self.assertEqual(cam.ymag, None)
self.assertEqual(cam.aspect_ratio, None)
cam.id = "yourcam"
cam.znear = 5
cam.zfar = 500
cam.xmag = None
cam.ymag = 50
cam.aspect_ratio = 1.3
cam.save()
cam = collada.camera.OrthographicCamera.load(self.dummy, {}, fromstring(tostring(cam.xmlnode)))
self.assertEqual(cam.id, "yourcam")
self.assertEqual(cam.znear, 5)
self.assertEqual(cam.zfar, 500)
self.assertEqual(cam.xmag, None)
self.assertEqual(cam.ymag, 50)
self.assertEqual(cam.aspect_ratio, 1.3)
cam.xmag = 20
with self.assertRaises(DaeMalformedError):
cam.save()
if __name__ == '__main__':
unittest.main()
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