Merge pull request #1617 from pyiron/add_pack_bc_tests

[patch] Add pack backwards compatibility tests

tests/static/pack/export.csv

@@ -0,0 +1,2 @@
+,id,status,chemicalformula,job,subjob,project,timestart,timestop,totalcputime,computer,hamilton,hamversion,parentid,masterid
+0,0,finished,,toy,/toy,test_pack/my_project,2024-08-22 16:10:26.556984,,,pyiron@7720454e9ac5#1,ToyJob,0.4,,

tests/unit/archiving/test_import.py

@@ -3,7 +3,7 @@
 from pyiron_base import Project
 from pandas._testing import assert_frame_equal
 from filecmp import dircmp
-from shutil import rmtree
+from shutil import rmtree, copytree
 import tarfile
 from pyiron_base._tests import PyironTestCase, ToyJob
 
@@ -181,5 +181,26 @@ def test_backwards_compatibility(self):
             self.imp_pr.unpack(origin_path=self.arch_dir_comp, csv_file_name="ahoy.csv")
 
 
+class TestUnpackingBackwardsCompatibility(PyironTestCase):
+    def test_import_old_tar(self):
+        copytree(
+            os.path.join(
+                os.path.dirname(os.path.abspath(__file__)),
+                "../../static/pack",
+            ),
+            os.getcwd(),
+            dirs_exist_ok=True,
+        )
+        pr = Project("old_tar")
+        pr.unpack(origin_path="test_pack.tar.gz")
+        job = pr.load("toy")
+        self.assertEqual(job.job_name, "toy")
+        self.assertEqual(job.input.data_in, 100)
+        self.assertEqual(job.output.data_out, 101)
+        pr.remove(enable=True, enforce=True)
+        os.remove("test_pack.tar.gz")
+        os.remove("export.csv")
+
+
 if __name__ == "__main__":
     unittest.main()