discourse/spec/models/stylesheet_cache_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe StylesheetCache do
describe ".add" do
it "correctly cycles once MAX_TO_KEEP is hit" do
StylesheetCache.destroy_all
(StylesheetCache::MAX_TO_KEEP + 1).times do |i|
StylesheetCache.add("a", "d" + i.to_s, "c" + i.to_s, "map")
end
expect(StylesheetCache.count).to eq StylesheetCache::MAX_TO_KEEP
expect(StylesheetCache.order(:id).first.content).to eq "c1"
end
it "does nothing if digest is set and already exists" do
StylesheetCache.delete_all
expect(StylesheetCache.add("a", "b", "c", "map")).to be_present
expect(StylesheetCache.add("a", "b", "cc", "map")).to eq(false)
expect(StylesheetCache.count).to eq 1
expect(StylesheetCache.first.content).to eq "c"
end
it "it retains stylesheets for competing targets" do
StylesheetCache.destroy_all
StylesheetCache.add("desktop", SecureRandom.hex, "body { }", "map", max_to_keep: 2)
StylesheetCache.add("desktop", SecureRandom.hex, "body { }", "map", max_to_keep: 2)
StylesheetCache.add("mobile", SecureRandom.hex, "body { }", "map", max_to_keep: 2)
StylesheetCache.add("mobile", SecureRandom.hex, "body { }", "map", max_to_keep: 2)
StylesheetCache.add("mobile", SecureRandom.hex, "body { }", "map", max_to_keep: 2)
expect(StylesheetCache.order(:id).pluck(:target)).to eq(["desktop", "desktop", "mobile", "mobile"])
end
end
describe ".clean_up" do
it "removes items older than threshold" do
StylesheetCache.destroy_all
StylesheetCache.add("a", "b", "c", "map")
StylesheetCache.add("d", "e", "f", "map")
above_threshold = StylesheetCache::CLEANUP_AFTER_DAYS - 1
StylesheetCache.first.update!(created_at: above_threshold.days.ago)
StylesheetCache.clean_up
expect(StylesheetCache.all.size).to eq(2)
below_threshold = StylesheetCache::CLEANUP_AFTER_DAYS + 1
StylesheetCache.first.update!(created_at: below_threshold.days.ago)
StylesheetCache.clean_up
expect(StylesheetCache.all.size).to eq(1)
end
end
end