Specs for precompute feed service (#3142)

* Add spec for precompute feed service

* Refactor PrecomputeFeedService

* spec wip

1 files changed, 17 insertions, 0 deletions

diff --git a/spec/services/precompute_feed_service_spec.rb b/spec/services/precompute_feed_service_spec.rb
index 392cb0e4d..9f56b0256 100644
--- a/spec/services/precompute_feed_service_spec.rb
+++ b/spec/services/precompute_feed_service_spec.rb
@@ -1,5 +1,22 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PrecomputeFeedService do
   subject { PrecomputeFeedService.new }
+
+  describe 'call' do
+    let(:account) { Fabricate(:account) }
+    it 'fills a user timeline with statuses' do
+      account = Fabricate(:account)
+      followed_account = Fabricate(:account)
+      Fabricate(:follow, account: account, target_account: followed_account)
+      status = Fabricate(:status, account: followed_account)
+
+      expected_redis_args = FeedManager.instance.key(:home, account.id), status.id, status.id
+      expect_any_instance_of(Redis).to receive(:zadd).with(*expected_redis_args)
+
+      subject.call(account)
+    end
+  end
 end