Basic Plaid Integration (#1433)

* Basic plaid data model and linking

* Remove institutions, add plaid items

* Improve schema and Plaid provider

* Add webhook verification sketch

* Webhook verification

* Item accounts and balances sync setup

* Provide test encryption keys

* Fix test

* Only provide encryption keys in prod

* Try defining keys in test env

* Consolidate account sync logic

* Add back plaid account initialization

* Plaid transaction sync

* Sync UI overhaul for Plaid

* Add liability and investment syncing

* Handle investment webhooks and process current day holdings

* Remove logs

* Remove "all" period select for performance

* fix amount calc

* Remove todo comment

* Coming soon for investment historical data

* Document Plaid configuration

* Listen for holding updates

test/models/sync_test.rb

@@ -0,0 +1,34 @@
+require "test_helper"
+
+class SyncTest < ActiveSupport::TestCase
+  setup do
+    @sync = syncs(:account)
+    @sync.update(status: "pending")
+  end
+
+  test "runs successful sync" do
+    @sync.syncable.expects(:sync_data).with(start_date: @sync.start_date).once
+
+    assert_equal "pending", @sync.status
+
+    previously_ran_at = @sync.last_ran_at
+
+    @sync.perform
+
+    assert @sync.last_ran_at > previously_ran_at
+    assert_equal "completed", @sync.status
+  end
+
+  test "handles sync errors" do
+    @sync.syncable.expects(:sync_data).with(start_date: @sync.start_date).raises(StandardError.new("test sync error"))
+
+    assert_equal "pending", @sync.status
+    previously_ran_at = @sync.last_ran_at
+
+    @sync.perform
+
+    assert @sync.last_ran_at > previously_ran_at
+    assert_equal "failed", @sync.status
+    assert_equal "test sync error", @sync.error
+  end
+end