discourse/spec/models/web_crawler_request_spec.rb

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require 'rails_helper'
describe WebCrawlerRequest do
before do
WebCrawlerRequest.last_flush = Time.now.utc
WebCrawlerRequest.clear_cache!
end
after do
WebCrawlerRequest.clear_cache!
end
def inc(user_agent, opts = nil)
WebCrawlerRequest.increment!(user_agent, opts)
end
def disable_date_flush!
freeze_time(Time.now)
WebCrawlerRequest.last_flush = Time.now.utc
end
def web_crawler_request(user_agent)
WebCrawlerRequest.where(user_agent: user_agent).first
end
it 'works even if redis is in readonly' do
disable_date_flush!
inc('Googlebot')
inc('Googlebot')
$redis.without_namespace.stubs(:incr).raises(Redis::CommandError.new("READONLY"))
$redis.without_namespace.stubs(:eval).raises(Redis::CommandError.new("READONLY"))
inc('Googlebot', autoflush: 3)
WebCrawlerRequest.write_cache!
$redis.without_namespace.unstub(:incr)
$redis.without_namespace.unstub(:eval)
inc('Googlebot', autoflush: 3)
expect(web_crawler_request('Googlebot').count).to eq(3)
end
it 'logs nothing for an unflushed increment' do
WebCrawlerRequest.increment!('Googlebot')
expect(WebCrawlerRequest.count).to eq(0)
end
it 'can automatically flush' do
disable_date_flush!
inc('Googlebot', autoflush: 3)
expect(web_crawler_request('Googlebot')).to_not be_present
expect(WebCrawlerRequest.count).to eq(0)
inc('Googlebot', autoflush: 3)
expect(web_crawler_request('Googlebot')).to_not be_present
inc('Googlebot', autoflush: 3)
expect(web_crawler_request('Googlebot').count).to eq(3)
expect(WebCrawlerRequest.count).to eq(1)
3.times { inc('Googlebot', autoflush: 3) }
expect(web_crawler_request('Googlebot').count).to eq(6)
expect(WebCrawlerRequest.count).to eq(1)
end
it 'can flush based on time' do
t1 = Time.now.utc.at_midnight
freeze_time(t1)
WebCrawlerRequest.write_cache!
inc('Googlebot')
expect(WebCrawlerRequest.count).to eq(0)
freeze_time(t1 + WebCrawlerRequest.autoflush_seconds + 1)
inc('Googlebot')
expect(WebCrawlerRequest.count).to eq(1)
end
it 'flushes yesterdays results' do
t1 = Time.now.utc.at_midnight
freeze_time(t1)
inc('Googlebot')
freeze_time(t1.tomorrow)
inc('Googlebot')
WebCrawlerRequest.write_cache!
expect(WebCrawlerRequest.count).to eq(2)
end
it 'clears cache correctly' do
inc('Googlebot')
inc('Twitterbot')
WebCrawlerRequest.clear_cache!
WebCrawlerRequest.write_cache!
expect(WebCrawlerRequest.count).to eq(0)
end
it 'logs a few counts once flushed' do
time = Time.now.at_midnight
freeze_time(time)
3.times { inc('Googlebot') }
2.times { inc('Twitterbot') }
4.times { inc('Bingbot') }
WebCrawlerRequest.write_cache!
expect(web_crawler_request('Googlebot').count).to eq(3)
expect(web_crawler_request('Twitterbot').count).to eq(2)
expect(web_crawler_request('Bingbot').count).to eq(4)
end
end