Allow firebase-admin v10. Add integration tests for Node 16 (#998)

* Allow firebase-admin v10. Add integration tests for Node 16

* Add changelog. Run formatter

* rerun formatter

CHANGELOG.md

@@ -1,2 +1,3 @@
 - GCS Enhancement
 - Add option to allow callable functions to ignore invalid App Check tokens.
+- Add firebase-admin v10 as an allowed peer dependency

integration_test/package.json.template

@@ -6,7 +6,7 @@
   },
   "dependencies": {
     "@google-cloud/pubsub": "^2.10.0",
-    "firebase-admin": "^9.1.0",
+    "firebase-admin": "__FIREBASE_ADMIN__",
     "firebase-functions": "__SDK_TARBALL__",
     "lodash": "~4.17.2"
   },

integration_test/run_tests.sh

@@ -68,6 +68,7 @@ function create_package_json {
   # backup file called package.json-e that we should clean up afterwards.
   sed -i -e "s/__SDK_TARBALL__/firebase-functions-$1.tgz/g" functions/package.json
   sed -i -e "s/__NODE_VERSION__/$2/g" functions/package.json
+  sed -i -e "s/__FIREBASE_ADMIN__/$3/g" functions/package.json
   rm -f functions/package.json-e
 }
 
@@ -138,8 +139,13 @@ build_sdk
 delete_all_functions
 set_region
 
-for version in 10 12 14; do
-  create_package_json $TIMESTAMP $version
+for version in 10 12 14 16; do
+  if [[ "$version" -eq 10 ]]; then
+    admin_sdk="^9.12.0"
+  else
+    admin_sdk="^10.0.0"
+  fi
+  create_package_json $TIMESTAMP $version $admin_sdk
   install_deps
   announce "Re-deploying the same functions to Node $version runtime ..."
   deploy