Add unit testing workflow

.github/workflows/UnitTests.yml

@@ -0,0 +1,61 @@
+name: Unit Tests
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        julia-version:
+          - '1.6'
+          - '1'
+          - 'nightly'
+        julia-arch:
+          - x64
+          - x86
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macOS-latest
+        exclude:
+          - os: macOS-latest
+            julia-arch: x86
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Setup Julia
+        uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+          arch: ${{ matrix.julia-arch }}
+      - name: Cache artifacts
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - name: Build package
+        uses: julia-actions/julia-buildpkg@v1
+      - name: Run tests
+        uses: julia-actions/julia-runtest@v1
+      - name: Create CodeCov
+        uses: julia-actions/julia-processcoverage@v1
+      - name: Upload CodeCov
+        uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info
+          flags: unittests
+          name: codecov-umbrella
+          fail_ci_if_error: false
+          token: ${{ secrets.CODECOV_TOKEN }}