Implement forum topic voting and tag change pruning (#3580)

test/unit/tag_change_request_pruner_test.rb

@@ -0,0 +1,66 @@
+require 'test_helper'
+
+class TagChangeRequestPrunerTest < ActiveSupport::TestCase
+  setup do
+    CurrentUser.user = FactoryBot.create(:admin_user)
+    CurrentUser.ip_addr = "127.0.0.1"
+
+    @forum_topic = create(:forum_topic)
+    @tag_alias = create(:tag_alias, forum_topic: @forum_topic)
+    @tag_implication = create(:tag_implication, antecedent_name: "ccc", consequent_name: "ddd", forum_topic: @forum_topic)
+    @bulk_update_request = create(:bulk_update_request, script: "alias eee -> fff", forum_topic: @forum_topic)
+  end
+
+  teardown do
+    CurrentUser.user = nil
+    CurrentUser.ip_addr = nil
+  end
+
+  subject { TagChangeRequestPruner.new }
+
+  context '#warn_old' do
+    setup do
+      [TagAlias, TagImplication, BulkUpdateRequest].each do |model|
+        model.update_all(status: "pending", created_at: (TagRelationship::EXPIRY_WARNING + 1).days.ago)
+      end
+    end
+
+    should "update the forum topic for an alias" do
+      ForumUpdater.any_instance.expects(:update)
+      subject.warn_old(TagAlias)
+    end
+
+    should "update the forum topic for an implication" do
+      ForumUpdater.any_instance.expects(:update)
+      subject.warn_old(TagImplication)
+    end
+
+    should "update the forum topic for a bulk update request" do
+      ForumUpdater.any_instance.expects(:update)
+      subject.warn_old(BulkUpdateRequest)
+    end
+  end
+
+  context '#reject_expired' do
+    setup do
+      [TagAlias, TagImplication, BulkUpdateRequest].each do |model|
+        model.update_all(status: "pending", created_at: (TagRelationship::EXPIRY + 1).days.ago)
+      end
+    end
+
+    should "reject the alias" do
+      TagAlias.any_instance.expects(:reject!)
+      subject.reject_expired(TagAlias)
+    end
+
+    should "reject the implication" do
+      TagImplication.any_instance.expects(:reject!)
+      subject.reject_expired(TagImplication)
+    end
+
+    should "reject the bulk update request" do
+      BulkUpdateRequest.any_instance.expects(:reject!)
+      subject.reject_expired(BulkUpdateRequest)
+    end
+  end
+end