Class: Timecop::Redis::Traveler

Inherits:
Object
  • Object
show all
Defined in:
lib/timecop/redis/traveler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(redis) ⇒ Traveler

Returns a new instance of Traveler.



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# File 'lib/timecop/redis/traveler.rb', line 6

def initialize(redis)
  @redis = redis
end

Instance Attribute Details

#redis ⇒ Object (readonly)

Returns the value of attribute redis.



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# File 'lib/timecop/redis/traveler.rb', line 4

def redis
  @redis
end

Instance Method Details

#travel(from:, to:) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/timecop/redis/traveler.rb', line 10

def travel(from:, to:)
  raise ArgumentError, 'Auto-rewind block is not yet supported' if block_given?

  advanced_milliseconds = ((to - from) * 1000).to_i

  expirable_keys.each do |key, old_remaining_milliseconds|
    new_remaining_milliseconds = old_remaining_milliseconds - advanced_milliseconds

    if new_remaining_milliseconds > 0
      redis.pexpire(key, new_remaining_milliseconds)
    else
      redis.del(key)
    end
  end
end