Add Unit Test Results action to CI

Pytest will now output JUnit-format XML results, which the action should
read and display on the PR in a nice format.

Author: AlexanderWells-diamond

.github/workflows/code.yml

@@ -100,6 +100,30 @@ jobs:
           name: ${{ matrix.os }}/${{ matrix.python }}
           directory: dist
 
+      - name: Upload Unit Test Results
+        if: always()
+        uses: actions/upload-artifact@v2
+        with:
+          name: Unit Test Results (${{ matrix.os }}/${{ matrix.python }})
+          path: pytest-results.xml
+
+  publish-test-results:
+    name: "Publish Unit Tests Results"
+    needs: build
+    runs-on: ubuntu-latest
+    if: always()
+
+    steps:
+      - name: Download Artifacts
+        uses: actions/download-artifact@v2
+        with:
+          path: artifacts
+
+      - name: Publish Unit Test Results
+        uses: EnricoMi/publish-unit-test-result-action@v1
+        with:
+          files: artifacts/**/*.xml
+
   release:
     needs: [build]
     runs-on: ubuntu-latest

.gitignore

@@ -45,6 +45,7 @@ coverage.xml
 *.mypy_cache
 *.pytest_cache
 cov.xml
+pytest-results.xml
 
 # DLS build dir and virtual environment
 /prefix/

setup.cfg

@@ -59,7 +59,7 @@ extend-ignore =
 # Don't do flake8 here as we need to separate it out for CI
 addopts =
     --tb=native -vv --doctest-modules --ignore=iocStats --ignore=epicscorelibs --ignore=docs
-    --cov=softioc --cov-report term --cov-report xml:cov.xml
+    --cov=softioc --cov-report term --cov-report xml:cov.xml --junit-xml=pytest-results.xml
 
 [coverage:run]
 # This is covered in the versiongit test suite so exclude it here