remote_server_control_commands_test.rb

# frozen_string_literal: true
require_relative "helper"

class TestRemoteServerControlCommands < Minitest::Test

  include Helper::Client

  def test_info
    keys = [
     "redis_version",
     "uptime_in_seconds",
     "uptime_in_days",
     "connected_clients",
     "used_memory",
     "total_connections_received",
     "total_commands_processed",
    ]

    info = r.info

    keys.each do |k|
      msg = "expected #info to include #{k}"
      assert info.keys.include?(k), msg
    end
  end

  def test_info_commandstats
    target_version "2.5.7" do
      r.config(:resetstat)
      r.config(:get, :port)

      result = r.info(:commandstats)
      assert_equal '2', result['config']['calls']
    end
  end

  def test_monitor_redis_lt_2_5_0
    return unless version < "2.5.0"

    log = []

    wire = Wire.new do
      Redis.new(OPTIONS).monitor do |line|
        log << line
        break if log.size == 3
      end
    end

    Wire.pass while log.empty? # Faster than sleep

    r.set "foo", "s1"

    wire.join

    assert log[-1][%q{(db 15) "set" "foo" "s1"}]
  end

  def test_monitor_redis_gte_2_5_0
    return unless version >= "2.5.0"

    log = []

    wire = Wire.new do
      Redis.new(OPTIONS).monitor do |line|
        log << line
        break if line =~ /set/
      end
    end

    Wire.pass while log.empty? # Faster than sleep

    r.set "foo", "s1"

    wire.join

    assert log[-1] =~ /\b15\b.* "set" "foo" "s1"/
  end

  def test_monitor_returns_value_for_break
    result = r.monitor do |line|
      break line
    end

    assert_equal "OK", result
  end

  def test_echo
    assert_equal "foo bar baz\n", r.echo("foo bar baz\n")
  end

  def test_debug
    r.set "foo", "s1"

    assert r.debug(:object, "foo").kind_of?(String)
  end

  def test_object
    r.lpush "list", "value"

    assert_equal 1, r.object(:refcount, "list")
    encoding = r.object(:encoding, "list")
    assert "ziplist" == encoding || "quicklist" == encoding, "Wrong encoding for list"
    assert r.object(:idletime, "list").kind_of?(Integer)
  end

  def test_sync
    redis_mock(:sync => lambda { "+OK" }) do |redis|
      assert_equal "OK", redis.sync
    end
  end

  def test_slowlog
    r.slowlog(:reset)
    result = r.slowlog(:len)
    assert_equal 0, result
  end

  def test_client
    assert_equal r.instance_variable_get(:@client), r._client
  end

  def test_client_list
    return if version < "2.4.0"

    keys = [
     "addr",
     "fd",
     "name",
     "age",
     "idle",
     "flags",
     "db",
     "sub",
     "psub",
     "multi",
     "qbuf",
     "qbuf-free",
     "obl",
     "oll",
     "omem",
     "events",
     "cmd"
    ]

    clients = r.client(:list)
    clients.each do |client|
      keys.each do |k|
        msg = "expected #client(:list) to include #{k}"
        assert client.keys.include?(k), msg
      end
    end
  end

  def test_client_kill
    return if version < "2.6.9"

    r.client(:setname, 'redis-rb')
    clients = r.client(:list)
    i = clients.index {|client| client['name'] == 'redis-rb'}
    assert_equal "OK", r.client(:kill, clients[i]["addr"])

    clients = r.client(:list)
    i = clients.index {|client| client['name'] == 'redis-rb'}
    assert_nil i
  end

  def test_client_getname_and_setname
    return if version < "2.6.9"

    assert_nil r.client(:getname)

    r.client(:setname, 'redis-rb')
    name = r.client(:getname)
    assert_equal 'redis-rb', name
  end
end