Add Linux build and test workflow

.github/workflows/pull-request.yml

@@ -0,0 +1,68 @@
+name: "Pull Request Test"
+
+on:
+  push:
+    branches: [ "develop" ]
+  pull_request:
+    branches: [ "develop" ]
+
+jobs:
+  build-linux:
+    name: Build Linux
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: ["3.9"]
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    steps:
+      - name: Checkout code
+        uses: nschloe/action-checkout-with-lfs-cache@v1
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Cache conan packages
+        id: cache-conan
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-conan-packages
+        with:
+          # conan cache files are stored in `~/.conan` on Linux/macOS
+          path: ~/.conan
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('conanfile.py') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+      - name: Cache pip modules
+        id: cache-pip
+        uses: actions/cache@v3
+        env:
+          cache-name: cache-pip-modules
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+      - name: "Install swig and cmake"
+        run: sudo apt-get update && sudo apt-get install build-essential swig cmake -y
+      - name: "Install python packages"
+        run: sudo apt-get install python3-setuptools python3-tk python3.9-venv
+      - name: "Create virtual Environment"
+        run: python3 -m venv .venv
+      - name: "Install wheel and conan package"
+        run: source .venv/bin/activate && pip3 install wheel conan pytest datashader holoviews
+      - name: "Build basilisk"
+        run: source .venv/bin/activate && python3 conanfile.py
+      - name: "Run Test"
+        run: |
+          source .venv/bin/activate
+          cd src && pytest -m "not scenarioTest" --junitxml=junit/test-results.xml
+      - name: Upload pytest test results
+        uses: actions/upload-artifact@v3
+        with:
+          name: pytest-results-${{ matrix.python-version }}
+          path: junit/test-results-${{ matrix.python-version }}.xml
+        # Use always() to always run this step to publish test results when there are test failures
+        if: ${{ always() }}