Add testsuite for pySim-shell with real cards

This patch adds a comprehensive testsuite for pySim-shell. The testsuite
is based on python's unittest framework in combination with pySim-shell
scripts.

Related: OS#6531
Change-Id: Ieae1330767a6e55e62437f5f988a0d33b727b5de

tests/pySim-shell_test/export/test.py

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+# Testsuite for pySim-shell.py
+#
+# (C) 2024 by sysmocom - s.f.m.c. GmbH
+# All Rights Reserved
+#
+# Author: Philipp Maier
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import unittest
+import os
+from utils import *
+
+class test_case(UnittestUtils):
+    def test_export(self):
+        cardname = 'sysmoISIM-SJA5-S17'
+
+        # Generate an export script and verify it
+        self.runPySimShell(cardname, "test_export.script")
+        ignore_regex_list = [
+            '^#.*$', # Ignore all generated comments
+            ' [A-Fa-f0-9]*$', # Ignore hex-strings from update_record, update_binary
+            '^aram_store_ref_ar_do.*' # Ignore ara-m config (already covered by testcase "export_adf_ara_m")
+        ]
+        self.assertEqualFiles("export.script.tmp",
+                              ignore_regex_list=ignore_regex_list)
+
+        # Try to import the export script we have just generated. Since there are no changes in the file contents,
+        # we won't actually write the files, but we will verify that the generated script makes sense and can be
+        # executed without causing exceptions.
+        self.runPySimShell(cardname, "test_import.script", no_exceptions = True)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/pySim-shell_test/export/test_export.script

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+set debug true
+set echo true
+
+# Export the entire file system
+export > export.script.tmp

tests/pySim-shell_test/export/test_import.script

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+set debug true
+set echo true
+
+# Export the entire file system
+run_script export.script.tmp