tree d05c68ad69c2e97afc6d4c3acef63fe20b74acd2
parent 0680c4f131653753de8be01f00d35cd866b343c5
author William Hesse <whesse@google.com> 1575365857 +0000
committer William Hesse <whesse@google.com> 1575365857 +0000

[cloud functions] Refactor cloud functions to allow unit testing with mocks

This change factors out all the access to the Firestore database into a
FirestoreService class, which is replaced by a mock during unit testing.

It also groups related functions with shared state into classes.

Change-Id: I1ce40a91135a5ddb4befcd985c6f6ba87990ff4b
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/126740
Reviewed-by: Alexander Thomas <athom@google.com>