test

.github/workflows/ci_test.yml

@@ -115,7 +115,7 @@ jobs:
           shell: bash -el {0}
           run: |
             python -m pip install --upgrade pip
-            python -m pip install tox pytest hypothesis numdifftools pathos setuptools
+            python -m pip install tox pytest hypothesis numdifftools pathos setuptools statsmodels
         - name: Print OS, machine info
           shell: bash -el {0}
           run: |

requirements_dev.txt

@@ -39,3 +39,4 @@ loguru
 # click<=8.0.4
 gprof2dot
 py-cpuinfo
+statsmodels

tests/test_fake_toas.py

@@ -12,6 +12,7 @@
 from pint.fitter import GLSFitter, DownhillGLSFitter
 from pinttestdata import datadir
 import pytest
+from statsmodels.stats.diagnostic import acorr_ljungbox
 
 
 def roundtrip(toas, model):
@@ -565,3 +566,5 @@ def test_simulate_wideband_dmgp():
         / len(t)
         > 10
     )
+
+    assert all(acorr_ljungbox(t.get_dms() - m.total_dm(t)).lb_pvalue < 1e-5)

tox.ini

@@ -42,6 +42,7 @@ deps =
     numdifftools
     pathos
     setuptools
+    statsmodels
 commands =
     pip freeze
     !cov: pytest --reruns 5
@@ -92,6 +93,7 @@ deps =
     pytest-rerunfailures
     coverage
     hypothesis<=6.72.0
+    statsmodels
 commands =
     pytest --reruns 5