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timecop

Library for mocking with Time.now. Inspired by the timecop ruby gem

testing timecop
0.3.0 Latest release released

timecop.cr

A timecop inspired library to allow easy manipulation of time in tests. Originally authored by TobiasGSmollett.

Status

As of 2019-06-14

Crystal Version Travis.com

Installation

Add this to your application's shard.yml:

dependencies:
+  timecop:
+    github: crystal-community/timecop.cr

Usage

require "timecop"

Timecop.freeze

date = Time.new(2008, 10, 10, 10, 10, 10)
Timecop.freeze(date) do |frozen_time|
  puts "#{frozen_time == Time.local}" # => true
end

Timecop.travel

Timecop.travel(Time.new(2014, 1, 1, 0, 0, 0)) do
  puts Time.local # => 2014-01-01 00:00:00 +0900
  sleep(5)
  puts Time.local # => 2014-01-01 00:00:05 +0900
end

Timecop.scale

# seconds will now seem like hours
Timecop.scale(Time.local, 3600)
puts Time.local # => 2017-08-28 23:50:06 +0900
sleep(2.0)
# seconds later, hours have passed and it's gone from 23pm at night to 1am in the morning
puts Time.local # => 2017-08-29 01:50:21 +0900

Timecop.safe_mode

# turn on safe mode
Timecop.safe_mode = true

Timecop.safe_mode? # => true

# using method without block
Timecop.freeze Time.new(2008, 10, 10, 10, 10, 10)
# => Timecop::SafeModeException: Safe mode is enabled, only calls passing a block are allowed.

Development

Pull Request Welcome

Contributing

  1. Fork it ( https://github.com/TobiasGSmollett/timecop.cr/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

Contributors

Thanks

Thanks to Travis Jeffery for his awesome work on timecop.

timecop:
  github: crystal-community/timecop.cr
  version: ~> 0.3.0

Authors

  • TobiasGSmollett
  • robacarp

License

MIT

Crystal

0.29.0

Dependencies 0

Development Dependencies 0

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