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rails--rails/activesupport/CHANGELOG.md

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Rails 6 requires Ruby 2.4.1+ Skipping over 2.4.0 to sidestep the `"symbol_from_string".to_sym.dup` bug. References #32028
2018-02-17 21:02:18 +00:00
## Rails 6.0.0.alpha (Unreleased) ##
Add test parallelization to Rails Provides both a forked process and threaded parallelization options. To use add `parallelize` to your test suite. Takes a `workers` argument that controls how many times the process is forked. For each process a new database will be created suffixed with the worker number; test-database-0 and test-database-1 respectively. If `ENV["PARALLEL_WORKERS"]` is set the workers argument will be ignored and the environment variable will be used instead. This is useful for CI environments, or other environments where you may need more workers than you do for local testing. If the number of workers is set to `1` or fewer, the tests will not be parallelized. The default parallelization method is to fork processes. If you'd like to use threads instead you can pass `with: :threads` to the `parallelize` method. Note the threaded parallelization does not create multiple database and will not work with system tests at this time. parallelize(workers: 2, with: :threads) The threaded parallelization uses Minitest's parallel exector directly. The processes paralleliztion uses a Ruby Drb server. For parallelization via threads a setup hook and cleanup hook are provided. ``` class ActiveSupport::TestCase parallelize_setup do |worker| # setup databases end parallelize_teardown do |worker| # cleanup database end parallelize(workers: 2) end ``` [Eileen M. Uchitelle, Aaron Patterson]
2017-12-20 21:59:41 +00:00
String#truncate_bytes: limit to N bytes without breaking multibyte chars This faithfully preserves grapheme clusters (characters composed of other characters and combining marks) and other multibyte characters.
2016-12-09 18:34:35 +00:00
* `String#truncate_bytes` to truncate a string to a maximum bytesize without
breaking multibyte characters or grapheme clusters like 👩‍👩‍👦‍👦.
*Jeremy Daer*
`String#strip_heredoc` preserves frozenness ```ruby "foo".freeze.strip_heredoc.frozen? # => true ``` Fixes the case where frozen string literals would inadvertently become unfrozen: ```ruby foo = <<-MSG.strip_heredoc la la la MSG foo.frozen? # => false !?? ```
2018-02-17 23:23:17 +00:00
* `String#strip_heredoc` preserves frozenness.
"foo".freeze.strip_heredoc.frozen? # => true
Fixes that frozen string literals would inadvertently become unfrozen:
# frozen_string_literal: true
foo = <<-MSG.strip_heredoc
la la la
MSG
foo.frozen? # => false !??
*Jeremy Daer*
Rails 6 requires Ruby 2.4.1+ Skipping over 2.4.0 to sidestep the `"symbol_from_string".to_sym.dup` bug. References #32028
2018-02-17 21:02:18 +00:00
* Rails 6 requires Ruby 2.4.1 or newer.
*Jeremy Daer*
* Adds parallel testing to Rails
Parallelize your test suite with forked processes or threads.
*Eileen M. Uchitelle*, *Aaron Patterson*
Add test parallelization to Rails Provides both a forked process and threaded parallelization options. To use add `parallelize` to your test suite. Takes a `workers` argument that controls how many times the process is forked. For each process a new database will be created suffixed with the worker number; test-database-0 and test-database-1 respectively. If `ENV["PARALLEL_WORKERS"]` is set the workers argument will be ignored and the environment variable will be used instead. This is useful for CI environments, or other environments where you may need more workers than you do for local testing. If the number of workers is set to `1` or fewer, the tests will not be parallelized. The default parallelization method is to fork processes. If you'd like to use threads instead you can pass `with: :threads` to the `parallelize` method. Note the threaded parallelization does not create multiple database and will not work with system tests at this time. parallelize(workers: 2, with: :threads) The threaded parallelization uses Minitest's parallel exector directly. The processes paralleliztion uses a Ruby Drb server. For parallelization via threads a setup hook and cleanup hook are provided. ``` class ActiveSupport::TestCase parallelize_setup do |worker| # setup databases end parallelize_teardown do |worker| # cleanup database end parallelize(workers: 2) end ``` [Eileen M. Uchitelle, Aaron Patterson]
2017-12-20 21:59:41 +00:00
Add support for connection pooling on RedisCacheStore
2017-12-14 15:05:13 +00:00
Start Rails 6.0 development!!! :tada::tada::tada:
2018-01-30 23:51:17 +00:00
Please check [5-2-stable](https://github.com/rails/rails/blob/5-2-stable/activesupport/CHANGELOG.md) for previous changes.