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c8fe4d9e4f* Add ruff config for pytest * Fixes for pre-commit * Changes to make pre-commit happy (Unrelated to PR) --------- Co-authored-by: Tristan Schulz <tristanschulz1200@gmail.com>
25 lines
808 B
Python
25 lines
808 B
Python
from manim import RIGHT, UP, LinearTransformationScene, Vector, VGroup
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__module_test__ = "vector_space_scene"
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def test_ghost_vectors_len_and_types():
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scene = LinearTransformationScene()
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scene.leave_ghost_vectors = True
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# prepare vectors (they require a vmobject as their target)
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v1, v2 = Vector(RIGHT), Vector(RIGHT)
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v1.target, v2.target = Vector(UP), Vector(UP)
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# ghost_vector addition is in this method
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scene.get_piece_movement((v1, v2))
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ghosts = scene.get_ghost_vectors()
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assert len(ghosts) == 1
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# check if there are two vectors in the ghost vector VGroup
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assert len(ghosts[0]) == 2
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# check types of ghost vectors
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assert isinstance(ghosts, VGroup)
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assert isinstance(ghosts[0], VGroup)
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assert all(isinstance(x, Vector) for x in ghosts[0])
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