DEBUG: print SHA256SUM of the files read

Author: cphyc

yt/frontends/rockstar/tests/test_outputs.py

@@ -1,4 +1,5 @@
 import os.path
+from subprocess import PIPE, Popen
 
 from numpy.testing import assert_equal
 
@@ -44,6 +45,15 @@ def test_particle_selection():
 def test_halo_loading():
     ds = data_dir_load(r1)
 
+    # Compute sha256sum of the files
+    for fname in ds.index.data_files:
+        sha256sum = (
+            Popen(["sha256sum", fname.filename], stdout=PIPE)
+            .communicate()[0]
+            .split()[0]
+        )
+        print(f"{fname.filename} has sha256sum {sha256sum}")
+
     for halo_id, Npart in zip(
         ds.r["halos", "particle_identifier"],
         ds.r["halos", "num_p"],