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Edit File: refresh_test.rb

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require './test/replica_sets/rs_test_helper'
require 'benchmark'

class ReplicaSetRefreshTest < Test::Unit::TestCase

def setup
    ensure_rs
  end

def teardown
    @rs.restart_killed_nodes
    @conn.close if defined?(@conn)
  end

=begin
  def test_connect_speed
    Benchmark.bm do |x|
      x.report("Connect") do
        10.times do
          ReplSetConnection.new(build_seeds(3), :refresh_mode => false)
        end
      end

@con = ReplSetConnection.new(build_seeds(3), :refresh_mode => false)

x.report("manager") do
        man = Mongo::PoolManager.new(@con, @con.seeds)
        10.times do
          man.connect
        end
      end
    end
  end
=end

def test_connect_and_manual_refresh_with_secondaries_down
    @rs.kill_all_secondaries
    sleep(4)

rescue_connection_failure do
      @conn = ReplSetConnection.new(build_seeds(3), :refresh_mode => 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
    sleep(4)
    
    rescue_connection_failure do
      @conn = ReplSetConnection.new(build_seeds(3),
        :refresh_interval => 2, :refresh_mode => :sync)
    end

assert_equal [], @conn.secondaries
    assert @conn.connected?
    assert_equal @conn.read_pool, @conn.primary_pool
    old_refresh_version = @conn.refresh_version

@rs.restart_killed_nodes
    sleep(4)
    @conn['foo']['bar'].find_one
    @conn['foo']['bar'].insert({:a => 1})

assert @conn.refresh_version > old_refresh_version,
      "Refresh version hasn't changed."
    assert @conn.secondaries.length > 0,
      "No secondaries have been added."
    assert @conn.read_pool != @conn.primary_pool,
      "Read pool and primary pool are identical."
  end
  
  def test_automated_refresh_when_secondary_goes_down
    @conn = ReplSetConnection.new(build_seeds(3),
      :refresh_interval => 2, :refresh_mode => :sync)

num_secondaries = @conn.secondary_pools.length
    old_refresh_version = @conn.refresh_version

@rs.kill_secondary
    sleep(4)
    @conn['foo']['bar'].find_one

assert @conn.refresh_version > old_refresh_version,
      "Refresh version hasn't changed."
    assert_equal num_secondaries - 1, @conn.secondaries.length
    assert_equal num_secondaries - 1, @conn.secondary_pools.length

@rs.restart_killed_nodes
  end

def test_automated_refresh_with_removed_node
    @conn = ReplSetConnection.new(build_seeds(3),
      :refresh_interval => 2, :refresh_mode => :sync)

num_secondaries = @conn.secondary_pools.length
    old_refresh_version = @conn.refresh_version

n = @rs.remove_secondary_node
    sleep(4)
    @conn['foo']['bar'].find_one

@rs.add_node(n)
  end

def test_adding_and_removing_nodes
    @conn = ReplSetConnection.new(build_seeds(3),
      :refresh_interval => 2, :refresh_mode => :sync)

@rs.add_node
    sleep(4)
    @conn['foo']['bar'].find_one

@conn2 = ReplSetConnection.new(build_seeds(3),
      :refresh_interval => 2, :refresh_mode => :sync)

assert @conn2.secondaries.sort == @conn.secondaries.sort,
      "Second connection secondaries not equal to first."
    assert_equal 3, @conn.secondary_pools.length
    assert_equal 3, @conn.secondaries.length

config = @conn['admin'].command({:ismaster => 1})

@rs.remove_secondary_node
    sleep(4)
    config = @conn['admin'].command({:ismaster => 1})

assert_equal 2, @conn.secondary_pools.length
    assert_equal 2, @conn.secondaries.length
  end
end

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