| from __future__ import annotations | |
| from manim.mobject.value_tracker import ComplexValueTracker, ValueTracker | |
| def test_value_tracker_set_value(): | |
| """Test ValueTracker.set_value()""" | |
| tracker = ValueTracker() | |
| tracker.set_value(10.0) | |
| assert tracker.get_value() == 10.0 | |
| def test_value_tracker_get_value(): | |
| """Test ValueTracker.get_value()""" | |
| tracker = ValueTracker(10.0) | |
| assert tracker.get_value() == 10.0 | |
| def test_value_tracker_interpolate(): | |
| """Test ValueTracker.interpolate()""" | |
| tracker1 = ValueTracker(1.0) | |
| tracker2 = ValueTracker(2.5) | |
| tracker3 = ValueTracker().interpolate(tracker1, tracker2, 0.7) | |
| assert tracker3.get_value() == 2.05 | |
| def test_value_tracker_increment_value(): | |
| """Test ValueTracker.increment_value()""" | |
| tracker = ValueTracker(0.0) | |
| tracker.increment_value(10.0) | |
| assert tracker.get_value() == 10.0 | |
| def test_value_tracker_bool(): | |
| """Test ValueTracker.__bool__()""" | |
| tracker = ValueTracker(0.0) | |
| assert not tracker | |
| tracker.increment_value(1.0) | |
| assert tracker | |
| def test_value_tracker_add(): | |
| """Test ValueTracker.__add__()""" | |
| tracker = ValueTracker(0.0) | |
| tracker2 = tracker + 10.0 | |
| assert tracker2.get_value() == 10.0 | |
| def test_value_tracker_iadd(): | |
| """Test ValueTracker.__iadd__()""" | |
| tracker = ValueTracker(0.0) | |
| tracker += 10.0 | |
| assert tracker.get_value() == 10.0 | |
| def test_value_tracker_floordiv(): | |
| """Test ValueTracker.__floordiv__()""" | |
| tracker = ValueTracker(5.0) | |
| tracker2 = tracker // 2.0 | |
| assert tracker2.get_value() == 2.0 | |
| def test_value_tracker_ifloordiv(): | |
| """Test ValueTracker.__ifloordiv__()""" | |
| tracker = ValueTracker(5.0) | |
| tracker //= 2.0 | |
| assert tracker.get_value() == 2.0 | |
| def test_value_tracker_mod(): | |
| """Test ValueTracker.__mod__()""" | |
| tracker = ValueTracker(20.0) | |
| tracker2 = tracker % 3.0 | |
| assert tracker2.get_value() == 2.0 | |
| def test_value_tracker_imod(): | |
| """Test ValueTracker.__imod__()""" | |
| tracker = ValueTracker(20.0) | |
| tracker %= 3.0 | |
| assert tracker.get_value() == 2.0 | |
| def test_value_tracker_mul(): | |
| """Test ValueTracker.__mul__()""" | |
| tracker = ValueTracker(3.0) | |
| tracker2 = tracker * 4.0 | |
| assert tracker2.get_value() == 12.0 | |
| def test_value_tracker_imul(): | |
| """Test ValueTracker.__imul__()""" | |
| tracker = ValueTracker(3.0) | |
| tracker *= 4.0 | |
| assert tracker.get_value() == 12.0 | |
| def test_value_tracker_pow(): | |
| """Test ValueTracker.__pow__()""" | |
| tracker = ValueTracker(3.0) | |
| tracker2 = tracker**3.0 | |
| assert tracker2.get_value() == 27.0 | |
| def test_value_tracker_ipow(): | |
| """Test ValueTracker.__ipow__()""" | |
| tracker = ValueTracker(3.0) | |
| tracker **= 3.0 | |
| assert tracker.get_value() == 27.0 | |
| def test_value_tracker_sub(): | |
| """Test ValueTracker.__sub__()""" | |
| tracker = ValueTracker(20.0) | |
| tracker2 = tracker - 10.0 | |
| assert tracker2.get_value() == 10.0 | |
| def test_value_tracker_isub(): | |
| """Test ValueTracker.__isub__()""" | |
| tracker = ValueTracker(20.0) | |
| tracker -= 10.0 | |
| assert tracker.get_value() == 10.0 | |
| def test_value_tracker_truediv(): | |
| """Test ValueTracker.__truediv__()""" | |
| tracker = ValueTracker(5.0) | |
| tracker2 = tracker / 2.0 | |
| assert tracker2.get_value() == 2.5 | |
| def test_value_tracker_itruediv(): | |
| """Test ValueTracker.__itruediv__()""" | |
| tracker = ValueTracker(5.0) | |
| tracker /= 2.0 | |
| assert tracker.get_value() == 2.5 | |
| def test_complex_value_tracker_set_value(): | |
| """Test ComplexValueTracker.set_value()""" | |
| tracker = ComplexValueTracker() | |
| tracker.set_value(1 + 2j) | |
| assert tracker.get_value() == 1 + 2j | |
| def test_complex_value_tracker_get_value(): | |
| """Test ComplexValueTracker.get_value()""" | |
| tracker = ComplexValueTracker(2.0 - 3.0j) | |
| assert tracker.get_value() == 2.0 - 3.0j | |