Add regression for alphas

stardis/tests/test_run_stardis_regression.py

@@ -1,9 +1,14 @@
 from stardis import run_stardis
 import numpy as np
 from astropy import units as u
+import os
 
 
-def test_run_stardis_regression(data_regression):
+def test_run_stardis_regression(ndarrays_regression):
     tracing_lambdas = np.arange(6540, 6590, 0.01) * u.Angstrom
-    sim_result = run_stardis("stardis_example.yml", tracing_lambdas)
-    data_regression.check(sim_result)
+    config_fname = "benchmarks/benchmark_config.yml"
+    base_dir = os.path.abspath(os.path.dirname(config_fname))
+    config_fname = os.path.basename(config_fname)
+    os.chdir(base_dir)
+    sim_result = run_stardis(config_fname, tracing_lambdas)
+    ndarrays_regression.check({"alphas": sim_result.alphas})

stardis_env3.yml

@@ -72,6 +72,7 @@ dependencies:
   - python-dokuwiki
   - coverage
   - nbmake
+  - pytest-regressions
 
   # Code quality
   - black =22.3