Print names of received files

For #21

src/pydiode/tar.py

@@ -37,6 +37,8 @@ def main():
         try:
             with tarfile.open(fileobj=sys.stdin.buffer, mode="r|") as tar:
                 tar.extractall(args.path)
+                # Print the name of each file extracted
+                tar.list(verbose=False)
         # Don't print the full stack trace for known error types
         except tarfile.ReadError as e:
             if str(e) == "empty file":

tests/test_tar.py

@@ -28,12 +28,17 @@ def test_tar_untar(self):
             tar_receiver = subprocess.Popen(
                 [sys.executable, "-m", "pydiode.tar", "extract", dest],
                 stdin=tar_sender.stdout,
+                stdout=subprocess.PIPE,
             )
 
             # Wait for the subprocesses to finish
-            tar_receiver.wait(timeout=1)
-            tar_sender.wait(timeout=1)
-            tar_sender.stdout.close()
+            receiver_stdout, _ = tar_receiver.communicate(timeout=1)
+            _, _ = tar_sender.communicate(timeout=1)
+
+            # Ensure the printed filenames match the sent files
+            self.assertEqual(
+                list(files.keys()), receiver_stdout.decode("utf-8").split()
+            )
 
             # Ensure the extracted files match the sent files
             for file, data in files.items():