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0122b8cd8b
Request specs could poison the cache since clear_cache! deletes only today and yesterday from the cache.
114 lines
2.7 KiB
Ruby
114 lines
2.7 KiB
Ruby
require 'rails_helper'
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describe ApplicationRequest do
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before do
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ApplicationRequest.last_flush = Time.now.utc
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$redis.flushall
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end
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after do
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ApplicationRequest.clear_cache!
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end
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def inc(key, opts = nil)
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ApplicationRequest.increment!(key, opts)
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end
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def disable_date_flush!
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freeze_time(Time.now)
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ApplicationRequest.last_flush = Time.now.utc
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end
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context "readonly test" do
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it 'works even if redis is in readonly' do
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disable_date_flush!
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inc(:http_total)
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inc(:http_total)
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$redis.without_namespace.stubs(:incr).raises(Redis::CommandError.new("READONLY"))
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$redis.without_namespace.stubs(:eval).raises(Redis::CommandError.new("READONLY"))
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# flush will be deferred no error raised
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inc(:http_total, autoflush: 3)
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ApplicationRequest.write_cache!
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$redis.without_namespace.unstub(:incr)
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$redis.without_namespace.unstub(:eval)
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inc(:http_total, autoflush: 3)
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expect(ApplicationRequest.http_total.first.count).to eq(3)
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end
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end
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it 'logs nothing for an unflushed increment' do
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ApplicationRequest.increment!(:anon)
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expect(ApplicationRequest.count).to eq(0)
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end
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it 'can automatically flush' do
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disable_date_flush!
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inc(:http_total)
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inc(:http_total)
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inc(:http_total, autoflush: 3)
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expect(ApplicationRequest.http_total.first.count).to eq(3)
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inc(:http_total)
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inc(:http_total)
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inc(:http_total, autoflush: 3)
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expect(ApplicationRequest.http_total.first.count).to eq(6)
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end
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it 'can flush based on time' do
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t1 = Time.now.utc.at_midnight
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freeze_time(t1)
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ApplicationRequest.write_cache!
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inc(:http_total)
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expect(ApplicationRequest.count).to eq(0)
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freeze_time(t1 + ApplicationRequest.autoflush_seconds + 1)
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inc(:http_total)
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expect(ApplicationRequest.count).to eq(1)
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end
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it 'flushes yesterdays results' do
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t1 = Time.now.utc.at_midnight
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freeze_time(t1)
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inc(:http_total)
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freeze_time(t1.tomorrow)
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inc(:http_total)
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ApplicationRequest.write_cache!
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expect(ApplicationRequest.count).to eq(2)
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end
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it 'clears cache correctly' do
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# otherwise we have test pollution
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inc(:anon)
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ApplicationRequest.clear_cache!
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ApplicationRequest.write_cache!
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expect(ApplicationRequest.count).to eq(0)
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end
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it 'logs a few counts once flushed' do
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time = Time.now.at_midnight
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freeze_time(time)
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3.times { inc(:http_total) }
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2.times { inc(:http_2xx) }
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4.times { inc(:http_3xx) }
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ApplicationRequest.write_cache!
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expect(ApplicationRequest.http_total.first.count).to eq(3)
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expect(ApplicationRequest.http_2xx.first.count).to eq(2)
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expect(ApplicationRequest.http_3xx.first.count).to eq(4)
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end
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end
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