Fix nightly integration tests (#550)

* Fix nightly integration tests

The scheduled tests are failing due to not having the inputs set. This
fixes that, and both the Quantinuum syntax checker and IonQ simulator
will run every night.

* Update .github/workflows/integration_tests.yml

Co-authored-by: Bruno Schmitt <[email protected]>

---------

Co-authored-by: Bruno Schmitt <[email protected]>
Co-authored-by: Bettina Heim <[email protected]>

.github/workflows/integration_tests.yml

@@ -64,8 +64,21 @@ jobs:
           done
         shell: bash
 
+      - name: Submit to IonQ Simulator
+        if: inputs.target == 'ionq' || github.event_name == 'schedule'
+        run: |
+          export IONQ_API_KEY="${{ secrets.IONQ_API_KEY }}"
+          # TODO: remove this flag once https://github.com/NVIDIA/cuda-quantum/issues/512 is addressed.
+          export IONQ_FLAG="-DIONQ_TARGET"
+          for filename in test/NVQPP/integration/*.cpp; do
+            [ -e "$filename" ] || echo "::error::Couldn't find files ($filename)"
+            nvq++ -v $IONQ_FLAG $filename --target ionq
+            CUDAQ_LOG_LEVEL=info ./a.out
+          done
+        shell: bash
+
       - name: Submit to ${{ inputs.target }}
-        if: inputs.target != 'none'
+        if:  inputs.target != 'none' && github.event_name == 'workflow_dispatch'
         run: |
           if ${{inputs.target == 'ionq'}}; then
             export IONQ_API_KEY="${{ secrets.IONQ_API_KEY }}"