fix: added test imports

Summary of changes:
- Added test imports script and updated tox.ini to call it.

jupyter-tensorflow-full/tests/imports.py

@@ -0,0 +1,24 @@
+#
+# This python script tests loading of required modules
+#
+import tensorflow as tf
+import kfp
+import kfp_server_api
+import kfserving
+import bokeh
+import cloudpickle
+import dill
+import ipympl
+import ipywidgets
+import jupyterlab_git
+import matplotlib
+import pandas
+# TO-DO verify how exactly scikit-image is installed
+#import scikit_image
+import scikit_learn
+import scipy
+import seaborn
+import xgboost
+
+# this string is expected by test script
+print("PASSED")

jupyter-tensorflow-full/tests/test_imports.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+# Copyright 2023 Canonical Ltd.
+# See LICENSE file for licensing details.
+#
+#
+from pathlib import Path
+
+import os
+import subprocess
+import yaml
+
+
+def main():
+    """Test running container and imports."""
+    rock = yaml.safe_load(Path("rockcraft.yaml").read_text())
+    name = rock["name"]
+    rock_version = rock["version"]
+    arch = list(rock["platforms"].keys())[0]
+    rock_image = f"{name}_{rock_version}_{arch}"
+    LOCAL_ROCK_IMAGE = f"{rock_image}:{rock_version}"
+
+    print(f"Running command in {LOCAL_ROCK_IMAGE}")
+    script_command = ["bash", "-c", "export PYTHONPATH=$PYTHONPATH:/opt/conda/lib/python3.8/site-packages/keras/api/keras/wrappers/:/opt/conda/lib/python3.8/site-packages/ && python3 /home/jovyan/imports.py"]
+    pwd = os.getcwd()
+    output = subprocess.run(["docker", "run", "-v", f"{pwd}/tests/:/home/jovyan", LOCAL_ROCK_IMAGE, "exec", "pebble", "exec"] + script_command, stdout=subprocess.PIPE).stdout.decode('utf-8')
+    assert "PASSED" in output
+
+if __name__ == "__main__":
+    main()

jupyter-tensorflow-full/tox.ini

@@ -35,4 +35,5 @@ commands =
              docker save $ROCK > $ROCK.tar'
     # run rock tests
     pytest -v --tb native --show-capture=all --log-cli-level=INFO {posargs} {toxinidir}/tests
+    python {toxinidir}/tests/test_imports.py
     python {toxinidir}/tests/test_access.py