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# frozen_string_literal: true
module ConnectionPoolBehavior
def test_connection_pool
Thread.report_on_exception, original_report_on_exception = false, Thread.report_on_exception
emulating_latency do
begin
cache = ActiveSupport::Cache.lookup_store(store, { pool_size: 2, pool_timeout: 1 }.merge(store_options))
cache.clear
threads = []
assert_raises Timeout::Error do
# One of the three threads will fail in 1 second because our pool size
# is only two.
3.times do
threads << Thread.new do
cache.read("latency")
end
end
threads.each(&:join)
end
ensure
threads.each(&:kill)
end
end
ensure
Thread.report_on_exception = original_report_on_exception
end
def test_no_connection_pool
emulating_latency do
begin
cache = ActiveSupport::Cache.lookup_store(store, store_options)
cache.clear
threads = []
assert_nothing_raised do
# Default connection pool size is 5, assuming 10 will make sure that
# the connection pool isn't used at all.
10.times do
threads << Thread.new do
cache.read("latency")
end
end
threads.each(&:join)
end
ensure
threads.each(&:kill)
end
end
end
private
def store_options; {}; end
end
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