Move nb/serverextension tests to own file

integration-tests/test_extensions.py

@@ -0,0 +1,42 @@
+import subprocess
+
+
+def test_serverextensions():
+    """
+    Validate serverextensions we want are installed
+    """
+    # jupyter-serverextension writes to stdout and stderr weirdly
+    proc = subprocess.run([
+        '/opt/tljh/user/bin/jupyter-serverextension',
+        'list', '--sys-prefix'
+    ], stderr=subprocess.PIPE)
+
+    extensions = [
+        'jupyterlab 0.32.1',
+        'nbgitpuller 0.6.1',
+        'nteract_on_jupyter 1.8.1',
+        'nbresuse '
+    ]
+
+    for e in extensions:
+        assert '{} \x1b[32mOK\x1b[0m'.format(e) in proc.stderr.decode()
+
+def test_nbextensions():
+    """
+    Validate nbextensions we want are installed & enabled
+    """
+    # jupyter-nbextension writes to stdout and stderr weirdly
+    proc = subprocess.run([
+        '/opt/tljh/user/bin/jupyter-nbextension',
+        'list', '--sys-prefix'
+    ], stderr=subprocess.PIPE, stdout=subprocess.PIPE)
+
+    extensions = [
+        'nbresuse/main',
+    ]
+
+    for e in extensions:
+        assert '{} \x1b[32m enabled \x1b[0m'.format(e) in proc.stdout.decode()
+
+    # Ensure we have 'OK' messages in our stdout, to make sure everything is importable
+    proc.stderr.decode() == '      - Validating: \x1b[32mOK\x1b[0m\n' * len(extensions)