chore: Add conformance tests for declarative functions

.github/workflows/conformance.yml

@@ -49,3 +49,21 @@ jobs:
         useBuildpacks: false
         validateMapping: true
         cmd: "'functions-framework --source tests/conformance/main.py --target write_cloud_event --signature-type cloudevent'"
+
+    - name: Run HTTP conformance tests declarative
+      uses: GoogleCloudPlatform/functions-framework-conformance/action@v1.1.0
+      with:
+        version: 'v1.1.0'
+        functionType: 'http'
+        useBuildpacks: false
+        validateMapping: false
+        cmd: "'functions-framework --source tests/conformance/main.py --target write_http_declarative'"
+
+    - name: Run cloudevent conformance tests declarative
+      uses: GoogleCloudPlatform/functions-framework-conformance/action@v1.1.0
+      with:
+        version: 'v1.1.0'
+        functionType: 'cloudevent'
+        useBuildpacks: false
+        validateMapping: true
+        cmd: "'functions-framework --source tests/conformance/main.py --target write_cloudevent_declarative'"

tests/conformance/main.py

@@ -2,6 +2,8 @@
 
 from cloudevents.http import to_json
 
+import functions_framework
+
 filename = "function_output.json"
 
 
@@ -33,3 +35,14 @@ def write_legacy_event(data, context):
 
 def write_cloud_event(cloudevent):
     _write_output(to_json(cloudevent).decode())
+
+
+@functions_framework.http
+def write_http_declarative(request):
+    _write_output(json.dumps(request.json))
+    return "OK", 200
+
+
+@functions_framework.cloudevent
+def write_cloudevent_declarative(cloudevent):
+    _write_output(to_json(cloudevent).decode())