mongo-ruby-driver/test/replica_sets/refresh_test.rb

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$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
require './test/replica_sets/rs_test_helper'
require 'benchmark'
# NOTE: This test expects a replica set of three nodes to be running on RS.host,
# on ports TEST_PORT, RS.ports[1], and TEST + 2.
class ReplicaSetRefreshTest < Test::Unit::TestCase
include Mongo
def teardown
RS.restart_killed_nodes
@conn.close if @conn
end
def test_connect_and_manual_refresh_with_secondaries_down
RS.kill_all_secondaries
rescue_connection_failure do
@conn = ReplSetConnection.new([RS.host, RS.ports[0]], [RS.host, RS.ports[1]],
[RS.host, RS.ports[2]], :auto_refresh => false)
end
assert_equal [], @conn.secondaries
assert @conn.connected?
assert_equal @conn.read_pool, @conn.primary_pool
# Refresh with no change to set
@conn.refresh
assert_equal [], @conn.secondaries
assert @conn.connected?
assert_equal @conn.read_pool, @conn.primary_pool
RS.restart_killed_nodes
assert_equal [], @conn.secondaries
assert @conn.connected?
assert_equal @conn.read_pool, @conn.primary_pool
# Refresh with everything up
@conn.refresh
assert @conn.read_pool
assert @conn.secondaries.length > 0
end
def test_automated_refresh_with_secondaries_down
RS.kill_all_secondaries
rescue_connection_failure do
@conn = ReplSetConnection.new([RS.host, RS.ports[0]], [RS.host, RS.ports[1]],
[RS.host, RS.ports[2]], :refresh_interval => 2, :auto_refresh => true)
end
assert_equal [], @conn.secondaries
assert @conn.connected?
assert_equal @conn.read_pool, @conn.primary_pool
RS.restart_killed_nodes
sleep(3)
assert @conn.read_pool != @conn.primary_pool, "Read pool and primary pool are identical."
assert @conn.secondaries.length > 0, "No secondaries have been added."
end
def test_automated_refresh_with_removed_node
@conn = ReplSetConnection.new([RS.host, RS.ports[0]], [RS.host, RS.ports[1]],
[RS.host, RS.ports[2]], :refresh_interval => 2, :auto_refresh => true)
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assert_equal 2, @conn.secondaries.length
assert_equal 2, @conn.secondary_pools.length
RS.remove_secondary_node
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sleep(3)
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assert_equal 1, @conn.secondaries.length
assert_equal 1, @conn.secondary_pools.length
end
end