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"""Test functionalities of flux analysis helper functions."""
import pytest
from cobra.core import Model
from cobra.flux_analysis.helpers import normalize_cutoff
def test_normalize_cutoff(model: Model) -> None:
"""Test normalize cutoff."""
cutoff = normalize_cutoff(model)
assert cutoff == 1e-7
def test_normalize_cutoff_with_specified_cutoff_above_default(
model: Model,
) -> None:
"""Test normalize cutoff with specified cutoff greater than default."""
cutoff = normalize_cutoff(model, 1e-3)
assert cutoff == 1e-3
def test_normalize_cutoff_with_specified_cutoff_below_default(
model: Model,
) -> None:
"""Test normalize cutoff with specified cutoff less than default."""
with pytest.raises(ValueError):
normalize_cutoff(model, 1e-10)
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