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6f13981f23* Removed Container ABC and unnecessary imports * Remove test for container * Remove kwargs from Scene/Mobject * Updated NumberLine and related test * Fix graphscene test by removing unused arg * Fix other TypeError issues in other test cases * Fix doctest * Fixed usages of ParametricFunction * Removed stale references to container * Removed unused parameters passed to Paragraph * Added style parameter to prevent errors from MarkupText/Text * Remove unnecessary style parameter * Update tests/test_number_line.py Co-authored-by: Laith Bahodi <70682032+hydrobeam@users.noreply.github.com> * Remove numberline parameters * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Update scene.py * Remove unused font_size param * Removed leftover font_size * Apply suggestions from code review Co-authored-by: friedkeenan <friedkeenan@protonmail.com> * Readded tests for Mobjects/Scene without Container * Applied suggestion for PointCloudMobject * Pass path_string_config only if OpenGL * Readds args to Paragraph, removes **config from VGroup.__init__ calls * Fixed test_scene test case and removed added param * Apply second pass suggestions * Fix incorrect merge in Mobject Co-authored-by: Laith Bahodi <70682032+hydrobeam@users.noreply.github.com> Co-authored-by: friedkeenan <friedkeenan@protonmail.com>
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
import pytest
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from manim import Mobject
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def test_mobject_add():
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"""Test Mobject.add()."""
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"""Call this function with a Container instance to test its add() method."""
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# check that obj.submobjects is updated correctly
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obj = Mobject()
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assert len(obj.submobjects) == 0
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obj.add(Mobject())
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assert len(obj.submobjects) == 1
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obj.add(*(Mobject() for _ in range(10)))
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assert len(obj.submobjects) == 11
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# check that adding a mobject twice does not actually add it twice
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repeated = Mobject()
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obj.add(repeated)
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assert len(obj.submobjects) == 12
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obj.add(repeated)
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assert len(obj.submobjects) == 12
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# check that Mobject.add() returns the Mobject (for chained calls)
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assert obj.add(Mobject()) is obj
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obj = Mobject()
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# a Mobject cannot contain itself
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with pytest.raises(ValueError):
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obj.add(obj)
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# can only add Mobjects
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with pytest.raises(TypeError):
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obj.add("foo")
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def test_mobject_remove():
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"""Test Mobject.remove()."""
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obj = Mobject()
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to_remove = Mobject()
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obj.add(to_remove)
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obj.add(*(Mobject() for _ in range(10)))
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assert len(obj.submobjects) == 11
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obj.remove(to_remove)
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assert len(obj.submobjects) == 10
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obj.remove(to_remove)
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assert len(obj.submobjects) == 10
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assert obj.remove(Mobject()) is obj
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