Fix additional Python and JupyterLab edge case (#182)

* Remove bloat from JupyterLab test

* Check location of JupyterLab installation

* Remove common-utils

* Add failing additional with JL test

* Fix Python feature

* Update scenario images

* Bump patch version

src/python/devcontainer-feature.json

 {
   "id": "python",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "name": "Python",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/python",
   "description": "Installs the provided version of Python, as well as PIPX, and other common Python utilities.  JupyterLab is conditionally installed with the python feature. Note: May require source code compilation.",

src/python/install.sh

@@ -374,6 +374,7 @@ if [ "${PYTHON_VERSION}" != "none" ]; then
 
     # Additional python versions to be installed but not be set as default.
     if [ ! -z "${ADDITIONAL_VERSIONS}" ]; then
+        OLD_INSTALL_PATH="${INSTALL_PATH}"
         OLDIFS=$IFS
         IFS=","
             read -a additional_versions <<< "$ADDITIONAL_VERSIONS"
@@ -381,6 +382,7 @@ if [ "${PYTHON_VERSION}" != "none" ]; then
                 OVERRIDE_DEFAULT_VERSION="false"
                 install_python $version
             done
+        INSTALL_PATH="${OLD_INSTALL_PATH}"
         IFS=$OLDIFS
     fi
 

test/python/install_additional_jupyterlab.sh

+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Always run these checks as the non-root user
+user="$(whoami)"
+check "user" grep vscode <<< "$user"
+
+# Check for an installation of JupyterLab
+check "version" jupyter lab --version
+
+# Check location of JupyterLab installation
+packages="$(python3 -m pip list)"
+check "location" grep jupyter <<< "$packages"
+
+# Check for correct JupyterLab configuration
+check "config" grep ".*.allow_origin = '*'" /home/vscode/.jupyter/jupyter_server_config.py
+
+# Report result
+reportResults

test/python/install_jupyterlab.sh

@@ -5,12 +5,19 @@ set -e
 # Optional: Import test library
 source dev-container-features-test-lib
 
+# Always run these checks as the non-root user
+user="$(whoami)"
+check "user" grep vscode <<< "$user"
+
+# Check for an installation of JupyterLab
 check "version" jupyter lab --version
-check "config" grep ".*.allow_origin = '*'" /home/vscode/.jupyter/jupyter_server_config.py
 
-check "user" whoami | grep vscode
-check "zsh" zsh --version
-check "wget" wget -V
+# Check location of JupyterLab installation
+packages="$(python3 -m pip list)"
+check "location" grep jupyter <<< "$packages"
+
+# Check for correct JupyterLab configuration
+check "config" grep ".*.allow_origin = '*'" /home/vscode/.jupyter/jupyter_server_config.py
 
 # Report result
 reportResults

test/python/scenarios.json

@@ -9,18 +9,27 @@
         }
     },
     "install_jupyterlab": {
-        "image": "mcr.microsoft.com/vscode/devcontainers/base:focal",
+        "image": "mcr.microsoft.com/devcontainers/base:focal",
         "remoteUser": "vscode",
         "features": {
-            "common-utils": {
-                "username": "vscode"
-            },
             "python": {
                 "installJupyterlab": true,
                 "configureJupyterlabAllowOrigin": "*"
             }
         }
     },
+    "install_additional_jupyterlab": {
+        "image": "mcr.microsoft.com/devcontainers/base:focal",
+        "remoteUser": "vscode",
+        "features": {
+            "python": {
+                "version": "latest",
+                "additionalVersions": "3.9",
+                "installJupyterlab": true,
+                "configureJupyterlabAllowOrigin": "*"
+            }
+        }
+    },
     "install_os_provided_python": {
         "image": "mcr.microsoft.com/devcontainers/base:0-bullseye",
         "features": {