Add GitHub testing

.github/workflows/run_jcb_basic_testing.yaml

@@ -0,0 +1,77 @@
+name: Run JCB client testing with client changes
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+
+  jcb_integration_tests:
+
+    runs-on: ubuntu-latest
+    name: JCB Client Integration Tests
+
+    env:
+      JCB_REPO: https://github.com/NOAA-EMC/jcb.git
+
+    steps:
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+
+    - name: Add repo url to the environment
+      run: |
+        JCB_ALGO_REPO="${{ github.repository }}"
+        echo "JCB_ALGO_REPO=${JCB_ALGO_REPO}" >> $GITHUB_ENV
+
+    - name: Determine the name of the client branch
+      run: |
+        if [ "${{ github.event_name }}" == "pull_request" ]; then
+        JCB_ALGO_BRANCH=${{ github.head_ref }}
+        else
+          BRANCH_REF=${{ github.ref }}
+          JCB_ALGO_BRANCH=${BRANCH_REF#refs/heads/}
+        fi
+        echo "JCB_ALGO_BRANCH=$JCB_ALGO_BRANCH" >> $GITHUB_ENV
+
+    - name: Determine branch to use for main jcb repo
+      run: |
+        BRANCH_NAME=${{ env.JCB_ALGO_BRANCH }}
+        if git ls-remote --heads $JCB_REPO $BRANCH_NAME | grep -q "refs/heads/$BRANCH_NAME"; then
+          echo "Branch $BRANCH_NAME exists in jcb repo."
+          echo "JCB_BRANCH=$BRANCH_NAME" >> $GITHUB_ENV
+        else
+          echo "Branch $BRANCH_NAME does not exist in jcb repo. Using develop branch."
+          echo "JCB_BRANCH=develop" >> $GITHUB_ENV
+        fi
+
+    - name: Clone jcb repository
+      run: |
+        mkdir -p empty_hooks
+        git config --global core.hooksPath empty_hooks
+        git clone --branch ${{ env.JCB_BRANCH }} --recursive $JCB_REPO jcb_repo
+
+    - name: Clone the clients
+      run: |
+        cd jcb_repo
+        pip install pyyaml
+        ./jcb_client_init.py
+        # Note that the above step will take care of checking out the correct branch of the
+        # algorithm repo and any clients being simultaneously modified.
+
+    - name: Install dependencies
+      run: |
+        cd jcb_repo
+        pip install .[testing]
+
+    - name: Run the JCB client integration tests
+      run: |
+        cd jcb_repo/test/client_integration
+        pytest -v