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test: skip jax-backed unit tests when jax is absent (Python matrix) #497

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Merged
Jammy2211 merged 1 commit into from
Jul 11, 2026
Merged

test: skip jax-backed unit tests when jax is absent (Python matrix) #497

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12 changes: 12 additions & 0 deletions test_autogalaxy/profiles/mass/dark/test_kaplinghat.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,18 @@
import importlib.util

import numpy as np
import pytest

import autogalaxy as ag

# The `vmapped_deflections_from` path is jax-backed; these tests need jax
# installed to run (it ships via the `[optional]` extras). The NumPy-only
# Python-version matrix has no jax, so skip there rather than fail.
requires_jax = pytest.mark.skipif(
importlib.util.find_spec("jax") is None,
reason="requires jax (installed via the [optional] extras; absent on the NumPy-only matrix env)",
)


def test__zero_interaction_limit_matches_nfw():
kaplinghat = ag.mp.KaplinghatCoredNFWSph(
Expand Down Expand Up @@ -59,6 +69,7 @@ def test__lensing_quantities_are_finite_and_positive():
assert deflections[0] == pytest.approx(np.array([0.0, 0.0]), abs=1.0e-8)


@requires_jax
def test__vmapped_deflections_match_instance_path_for_zero_interaction():
profile = ag.mp.KaplinghatCoredNFWSph(
centre=(0.1, -0.2),
Expand Down Expand Up @@ -97,6 +108,7 @@ def test__vmapped_deflections_match_instance_path_for_zero_interaction():
)


@requires_jax
def test__vmapped_deflections_match_instance_path_for_sidm_core():
profile = ag.mp.KaplinghatCoredNFWSph(
centre=(0.1, -0.2),
Expand Down
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