54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
import numpy as np
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import pytest
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from scgenerator import math, units
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from scgenerator.evaluator import Evaluator, EvaluatorError, Rule
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@pytest.fixture
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def disk_rules() -> list[Rule]:
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return [
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Rule("radius", lambda diameter: diameter / 2),
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Rule("diameter", lambda radius: radius * 2),
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Rule("diameter", lambda perimeter: perimeter / np.pi),
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Rule("perimeter", lambda diameter: diameter * np.pi),
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Rule("area", lambda radius: np.pi * radius**2),
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Rule("radius", lambda area: np.sqrt(area / np.pi)),
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]
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def test_trivial(disk_rules: list[Rule]):
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evaluator = Evaluator(*disk_rules)
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evaluator.set(radius=5)
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assert evaluator.compute("area") == pytest.approx(78.53981633974483)
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evaluator.set(area=5)
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assert evaluator.compute("area") == 5
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assert evaluator.compute("radius") == 5
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def test_simple():
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evaluator = Evaluator.default()
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evaluator.set(wavelength=800e-9, t_num=1024, dt=5e-15)
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assert evaluator.compute("t") == pytest.approx(math.tspace(t_num=1024, dt=5e-15))
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assert evaluator.compute("w0") == pytest.approx(units.nm(800))
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def test_default_args():
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def some_function(a: int, b: int, c: int = 5):
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return a + b + c
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evaluator = Evaluator(Rule("d", some_function))
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evaluator.set(a=1, b=3)
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with pytest.raises(EvaluatorError):
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evaluator.compute("c")
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assert evaluator.compute("d") == 9
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evaluator.clear_computed()
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evaluator.set(c=10)
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assert evaluator.compute("c") == 10
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assert evaluator.compute("d") == 14
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