def test_parse_vertex(self):
"""Tests vertex coordinate and color parsing."""
# Vertex 3D coordinates with RGBA color.
vertex_data = [-0.249245, 1.119303, 0.3095566, 60, 253, 32, 255]
coords, colors = demo_utils._parse_vertex(' '.join(map(str, vertex_data)))
self.assertListEqual(coords, vertex_data[:3])
self.assertListEqual(colors, vertex_data[3:6])
def test_prase_vertex_expects_colors(self):
"""Tests that method will throw error if color is not poresent."""
with self.assertRaisesRegexp(
ValueError, "PLY file must contain vertices with colors"):
demo_utils._parse_vertex("1 2 3")