Add test to validate examples in the main PALS repository

.github/workflows/tests.yml

@@ -30,6 +30,20 @@ jobs:
       - name: Test
         run: |
           pytest tests -v
-      - name: Examples
+      - name: Examples (internal)
         run: |
           python examples/fodo.py
+      - name: Examples (external)
+        run: |
+          # Copy examples directory from the main PALS repository
+          cd examples
+          git clone --no-checkout https://github.com/pals-project/pals.git pals_temp
+          cd pals_temp
+          git sparse-checkout init
+          git sparse-checkout set examples/
+          git checkout main
+          # Test all external examples
+          cd -
+          for file in pals_temp/examples/*.pals.yaml; do
+            python test_external_examples.py --path "${file}"
+          done

examples/test_external_examples.py

@@ -0,0 +1,26 @@
+import argparse
+import yaml
+
+from pals import BeamLine
+
+
+def main():
+    # Parse command-line arguments
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--path",
+        required=True,
+        help="Path to the example file",
+    )
+    args = parser.parse_args()
+    example_file = args.path
+    # Read YAML data from file
+    with open(example_file, "r") as file:
+        data = yaml.safe_load(file)
+    # Parse and validate YAML data
+    print(f"Parsing data from {example_file}...")
+    BeamLine(**data)
+
+
+if __name__ == "__main__":
+    main()