Backport PR #16314: Run Python tests on MacOS with Python 12, replace canvas with jest-canvas-mock (#16501)

Author: krassowski

docs/source/developer/contributing.rst

@@ -271,19 +271,6 @@ Notes:
    called something else (such as "python3") then parts of the build
    will fail. You may wish to build in a conda environment, or make an
    alias.
--  Some of the packages used in the development environment require
-   Python 3.0 or higher. If you encounter an ImportError during the
-   installation, make sure Python 3.0+ is installed. Also, try using the
-   Python 3.0+ version of ``pip`` or ``pip3 install -e .`` command to
-   install JupyterLab from the forked repository.
--  If you see an error that says ``Call to 'pkg-config pixman-1 --libs'
-   returned exit status 127 while in binding.gyp`` while running the 
-   ``pip install`` command above, you may be missing packages required
-   by ``canvas``. On macOS with Homebrew, you can add these packages by
-   running 
-   ``brew install pkg-config cairo pango libpng jpeg giflib librsvg``.
-   If you are using mamba or conda, you can install the necessary packages
-   with `conda install -c conda-forge pkg-config glib pango pixman`.
 -  The ``jlpm`` command is a JupyterLab-provided, locked version of the
    `yarn <https://classic.yarnpkg.com/en/>`__ package manager. If you have
    ``yarn`` installed already, you can use the ``yarn`` command when

galata/test/galata/benchmarkReporter.spec.ts-snapshots/customized-test-galata-linux.svg

@@ -1,2 +1,10 @@
+/*
+ * Copyright (c) Jupyter Development Team.
+ * Distributed under the terms of the Modified BSD License.
+ */
+
 const func = require('@jupyterlab/testutils/lib/jest-config');
+const config = func(__dirname);
 module.exports = func(__dirname);
+config['setupFiles'].push('jest-canvas-mock');
+module.exports = config;

galata/test/galata/benchmarkReporter.spec.ts-snapshots/test-galata-linux.svg

@@ -56,9 +56,9 @@
   "devDependencies": {
     "@jupyterlab/testutils": "^3.6.7",
     "@types/jest": "^26.0.10",
-    "canvas": "^2.6.1",
     "csv-spectrum": "^1.0.0",
     "jest": "^26.4.2",
+    "jest-canvas-mock": "^2.5.2",
     "rimraf": "~3.0.0",
     "ts-jest": "^26.3.0",
     "typedoc": "~0.21.2",

packages/csvviewer/jest.config.js

@@ -1,2 +1,9 @@
+/*
+ * Copyright (c) Jupyter Development Team.
+ * Distributed under the terms of the Modified BSD License.
+ */
+
 const func = require('@jupyterlab/testutils/lib/jest-config');
-module.exports = func(__dirname);
+const config = func(__dirname);
+config['setupFiles'].push('jest-canvas-mock');
+module.exports = config;

packages/csvviewer/package.json

@@ -84,8 +84,8 @@
     "@types/jest": "^26.0.10",
     "@types/react-dom": "^17.0.0",
     "@types/text-encoding": "^0.0.35",
-    "canvas": "^2.6.1",
     "jest": "^26.4.2",
+    "jest-canvas-mock": "^2.5.2",
     "jest-junit": "^11.1.0",
     "jest-raw-loader": "^1.0.1",
     "jest-summary-reporter": "^0.0.2",

packages/debugger/jest.config.js

@@ -1,2 +1,9 @@
+/*
+ * Copyright (c) Jupyter Development Team.
+ * Distributed under the terms of the Modified BSD License.
+ */
+
 const func = require('@jupyterlab/testutils/lib/jest-config');
-module.exports = func(__dirname);
+const config = func(__dirname);
+config['setupFiles'].push('jest-canvas-mock');
+module.exports = config;

packages/debugger/package.json

@@ -55,8 +55,8 @@
   "devDependencies": {
     "@jupyterlab/testutils": "^3.6.7",
     "@types/jest": "^26.0.10",
-    "canvas": "^2.6.1",
     "jest": "^26.4.2",
+    "jest-canvas-mock": "^2.5.2",
     "rimraf": "~3.0.0",
     "ts-jest": "^26.3.0",
     "typedoc": "~0.21.2",

packages/terminal/jest.config.js

@@ -4,4 +4,6 @@
  */
 
 const func = require('@jupyterlab/testutils/lib/jest-config');
-module.exports = func(__dirname);
+const config = func(__dirname);
+config['setupFiles'].push('jest-canvas-mock');
+module.exports = config;