discourse/spec/models/application_request_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe ApplicationRequest do
before do
ApplicationRequest.last_flush = Time.now.utc
$redis.flushall
end
after do
ApplicationRequest.clear_cache!
end
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def inc(key, opts = nil)
ApplicationRequest.increment!(key, opts)
end
def disable_date_flush!
freeze_time(Time.now)
ApplicationRequest.last_flush = Time.now.utc
end
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context "readonly test" do
it 'works even if redis is in readonly' do
disable_date_flush!
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inc(:http_total)
inc(:http_total)
$redis.without_namespace.stubs(:incr).raises(Redis::CommandError.new("READONLY"))
$redis.without_namespace.stubs(:eval).raises(Redis::CommandError.new("READONLY"))
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# flush will be deferred no error raised
inc(:http_total, autoflush: 3)
ApplicationRequest.write_cache!
$redis.without_namespace.unstub(:incr)
$redis.without_namespace.unstub(:eval)
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inc(:http_total, autoflush: 3)
expect(ApplicationRequest.http_total.first.count).to eq(3)
end
end
it 'logs nothing for an unflushed increment' do
ApplicationRequest.increment!(:anon)
expect(ApplicationRequest.count).to eq(0)
end
it 'can automatically flush' do
disable_date_flush!
inc(:http_total)
inc(:http_total)
inc(:http_total, autoflush: 3)
expect(ApplicationRequest.http_total.first.count).to eq(3)
inc(:http_total)
inc(:http_total)
inc(:http_total, autoflush: 3)
expect(ApplicationRequest.http_total.first.count).to eq(6)
end
it 'can flush based on time' do
t1 = Time.now.utc.at_midnight
freeze_time(t1)
ApplicationRequest.write_cache!
inc(:http_total)
expect(ApplicationRequest.count).to eq(0)
freeze_time(t1 + ApplicationRequest.autoflush_seconds + 1)
inc(:http_total)
expect(ApplicationRequest.count).to eq(1)
end
it 'flushes yesterdays results' do
t1 = Time.now.utc.at_midnight
freeze_time(t1)
inc(:http_total)
freeze_time(t1.tomorrow)
inc(:http_total)
ApplicationRequest.write_cache!
expect(ApplicationRequest.count).to eq(2)
end
it 'clears cache correctly' do
# otherwise we have test pollution
inc(:anon)
ApplicationRequest.clear_cache!
ApplicationRequest.write_cache!
expect(ApplicationRequest.count).to eq(0)
end
it 'logs a few counts once flushed' do
time = Time.now.at_midnight
freeze_time(time)
3.times { inc(:http_total) }
2.times { inc(:http_2xx) }
4.times { inc(:http_3xx) }
ApplicationRequest.write_cache!
expect(ApplicationRequest.http_total.first.count).to eq(3)
expect(ApplicationRequest.http_2xx.first.count).to eq(2)
expect(ApplicationRequest.http_3xx.first.count).to eq(4)
end
end