Updates to Code Coverage Collection

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-# Copyright (c) 2020-2023 The MathWorks, Inc
+# Copyright 2020-2023 The MathWorks, Inc
 
 # Workflow to release MATLAB Jupyter Integration to PyPi
 name: Release to PyPI
@@ -64,4 +64,4 @@ jobs:
           user: __token__
           verbose: true
           password: ${{ secrets.PYPI_TOKEN }}
-          repository_url: ${{ secrets.PYPI_REPOSITORY_URL }}
+          repository_url: ${{ secrets.PYPI_REPOSITORY_URL }}

.github/workflows/run-tests.yml

@@ -1,4 +1,4 @@
-# Copyright (c) 2020-2023 The MathWorks, Inc
+# Copyright 2020-2023 The MathWorks, Inc
 
 # Workflow that contains jobs to test MATLAB Jupyter Integration
 name: Testing MATLAB Jupyter Integration
@@ -11,11 +11,13 @@ on:
 jobs:
   python_tests:
     runs-on: ubuntu-latest
+    env:
+      code-cov-py: "3.10"
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
-
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+    name: "Run Python Tests with Python ${{matrix.python-version}}"
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -38,33 +40,34 @@ jobs:
         run: black --check .
 
       - name: Test with pytest
+        if: ${{ matrix.python-version != env.code-cov-py }}
         run: python3 -m pytest
 
-  generate_and_upload_code_coverage:
+      - name: Test with pytest and get code coverage for Python ${{env.code-cov-py}}
+        if: ${{matrix.python-version == env.code-cov-py }}
+        run: python3 -m pytest --cov --cov-report=xml
+
+      - name: Persist coverage data to be uploaded if all jobs are successful.
+        if: ${{matrix.python-version == env.code-cov-py }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage_file
+          path: ./coverage.xml
+          retention-days: 5
+
+  upload_code_coverage:
+    name: "Upload Code Coverage using codecov"
     needs: [python_tests]
     if: success()
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set up Python 3.7
-        uses: actions/setup-python@v4
+      - name: Get coverage files from previous job
+        uses: actions/download-artifact@v3
         with:
-          python-version: 3.7
-
-      - name: Install Python build dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python3 -m pip install wheel pytest
-          python3 -m pip install .[dev]
-
-      - name: Generate Code Coverage report for Python code
-        run: |
-          pytest --cov=./ --cov-report=xml
+          name: coverage_file
 
       - name: Upload python coverage report to Codecov
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           directory: ./
           name: Python-codecov

.gitignore

@@ -6,4 +6,6 @@ dist/
 .venv/
 .vscode/
 htmlcov/
-.coverage
+.coverage
+coverage.xml
+cov_html

pyproject.toml

@@ -1,8 +1,7 @@
+# Copyright 2023 The MathWorks, Inc.
+
 [build-system]
-requires = [
-    "jupyterlab>=3.1",
-    "hatchling"
-]
+requires = ["jupyterlab>=3.1,<4.0.0", "hatchling"]
 build-backend = "hatchling.build"
 
 [project]
@@ -25,7 +24,7 @@ keywords = [
     "MATLAB Web Desktop",
     "Remote MATLAB Web Access",
     "JupyterLab",
-    "MATLAB Kernel for Jupyter"
+    "MATLAB Kernel for Jupyter",
 ]
 classifiers = [
     "Framework :: Jupyter",
@@ -42,14 +41,30 @@ dependencies = [
     "jupyter-server-proxy",
     "jupyter-contrib-nbextensions",
     "matlab-proxy>=0.2.9",
-    "requests"
+    "requests",
 ]
 
+[project.urls]
+Homepage = "https://github.com/mathworks/jupyter-matlab-proxy"
+
+[project.optional-dependencies]
+dev = ["black", "ruamel.yaml", "pytest", "pytest-cov"]
+
+[project.entry-points.jupyter_serverproxy_servers]
+matlab = "jupyter_matlab_proxy:setup_matlab"
+
+[project.entry-points.matlab_proxy_configs]
+Jupyter = "jupyter_matlab_proxy.jupyter_config:config"
+
+
 [tool.hatch.build.targets.wheel]
-packages = [
-    "src/jupyter_matlab_kernel",
-    "src/jupyter_matlab_proxy"
+packages = ["src/jupyter_matlab_kernel", "src/jupyter_matlab_proxy"]
+
+[tool.hatch.build.targets.sdist]
+artifacts = [
+    "src/jupyter_matlab_labextension/jupyter_matlab_labextension/labextension",
 ]
+exclude = [".github"]
 
 [tool.hatch.build.targets.wheel.shared-data]
 "src/jupyter_matlab_labextension/jupyter_matlab_labextension/labextension" = "share/jupyter/labextensions/jupyter_matlab_labextension"
@@ -58,11 +73,6 @@ packages = [
 "img/logo-64x64.png" = "share/jupyter/kernels/jupyter_matlab_kernel/logo-64x64.png"
 "img/logo-svg.svg" = "share/jupyter/kernels/jupyter_matlab_kernel/logo-svg.svg"
 
-[tool.hatch.build.targets.sdist]
-exclude = [
-    ".github",
-]
-
 [tool.hatch.build.hooks.jupyter-builder]
 dependencies = ["hatch-jupyter-builder>=0.8.1"]
 build-function = "hatch_jupyter_builder.npm_builder"
@@ -74,32 +84,24 @@ skip-if-exists = [
     "src/jupyter_matlab_labextension/jupyter_matlab_labextension/labextension/static/style.js",
 ]
 
-[tool.hatch.build.hooks.jupyter-builder.editable-build-kwargs]
-build_cmd = "install:extension"
-npm = [
-    "jlpm",
-]
-
 [tool.hatch.build.hooks.jupyter-builder.build-kwargs]
 path = "src/jupyter_matlab_labextension"
 build_cmd = "build:prod"
-npm = [
-    "jlpm",
-]
+npm = ["jlpm"]
 
-[project.optional-dependencies]
-dev = [
-    "black",
-    "ruamel.yaml",
-    "pytest",
-    "pytest-cov",
-]
+[tool.hatch.build.hooks.jupyter-builder.editable-build-kwargs]
+path = "src/jupyter_matlab_labextension"
+build_cmd = "install:extension"
+npm = ["jlpm"]
 
-[project.entry-points.jupyter_serverproxy_servers]
-matlab = "jupyter_matlab_proxy:setup_matlab"
 
-[project.entry-points.matlab_proxy_configs]
-Jupyter = "jupyter_matlab_proxy.jupyter_config:config"
+[tool.pytest.ini_options]
+minversion = "6.0"
+addopts = "-ra -q"
+testpaths = ["tests"]
+filterwarnings = ["ignore::DeprecationWarning", "ignore::RuntimeWarning"]
 
-[project.urls]
-Homepage = "https://github.com/mathworks/jupyter-matlab-proxy"
+[tool.coverage.run]
+source = ["jupyter_matlab_proxy", "jupyter_matlab_kernel"]
+omit = ["**/__main__.py"]
+branch = true

setup.py

@@ -1,2 +1,4 @@
+# Copyright 2023 The MathWorks, Inc.
+
 # setup.py shim for use with applications that require it.
 __import__("setuptools").setup()

src/jupyter_matlab_kernel/matlab/+jupyter/getOrStashExceptions.m

@@ -6,6 +6,8 @@
 % When resetFlag is set, old exceptionMessage if any is returned, and is
 % cleared.
 
+% Copyright 2023 The MathWorks, Inc.
+
 persistent stashedException
 
 % Initialize the persistent variable if it is not already done.

src/jupyter_matlab_labextension/__init__.py

@@ -1 +1 @@
-
+# Copyright 2023 The MathWorks, Inc.

tests/__init__.py

@@ -1 +1,6 @@
-# Copyright 2020-2021 The MathWorks, Inc.
+# Copyright 2020-2023 The MathWorks, Inc.
+
+# Pytest won't include files in the coverage metrics unless they are imported in the tests.
+# By importing the systems under test here, any files not hit by a test point are still included in the code coverage metrics.
+import jupyter_matlab_kernel
+import jupyter_matlab_proxy