Seed all rng in testing

Author: Tommy Odland

tests/fmudesign/test_design_distributions.py

@@ -79,8 +79,9 @@ def test_draw_values_pert(seed):
     assert np.isclose(values.mean(), 5, atol=0.55)
 
 
-def test_sample_discrete():
-    rng = np.random.default_rng()
+@pytest.mark.parametrize("seed", range(100))
+def test_sample_discrete(seed):
+    rng = np.random.default_rng(seed)
 
     outcomes = ["foo", "bar.com"]
     # Test basic functionality
@@ -104,9 +105,10 @@ def test_sample_discrete():
     assert 15 <= foo_count <= 35  # Allow some variance due to randomness
 
 
-def test_draw_values():
+@pytest.mark.parametrize("seed", range(100))
+def test_draw_values(seed):
     """Test the wrapper function for drawing values"""
-    rng = np.random.default_rng()
+    rng = np.random.default_rng(seed)
 
     quantiles = rng.uniform(size=10)
 

tests/forward_models/pyscal/test_pyscal.py

@@ -44,6 +44,8 @@
 )
 def test_fm_pyscal(dframe, runargs, tmpdir):
     """Parametrized test function for fm_pyscal"""
+    random.seed(42)
+
     tmpdir.chdir()
     dframe.to_csv("relperm-input.csv", index=False)