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* Clearer error message in assert_changeslxxxvi2018-05-051-1/+3
| | | | When `to:` is passed to `assert_changes`, it now prints the well-known `"Expected: x\n Actual: y"` message. Before, the message only contained the actual value.
* `SetupAndTeardown` has few caveats that breaks libraries:Edouard CHIN2018-04-271-9/+5
| | | | | | | | | | | | | | | | | | - In #32472 I introduced a fix in order for all `after_teardown` method provided by libraries and Rails to run, even if the application's `teardown` method raised an error (That's the default minitest behavior). However this change wasn't enough and doesn't take in consideration the ancestors chain. If a library's module containing an `after_teardown` method get included after the `SetupAndTeardown` module (one example is the [ActiveRecord::TestFixtures module](https://github.com/rails/rails/blob/7d2400ab61c8e3ed95e14d03ba3844e8ba2e36e4/activerecord/lib/active_record/fixtures.rb#L855-L856), then the ancestors of the test class would look something like ```ruby class MyTest < ActiveSupport::TestCase end puts MyTest.ancestors # [MyTest, ActiveSupport::TestCase, ActiveRecord::TestFixtures, ActiveSupport::Testing::SetupAndTeardown] ``` Any class/module in the ancestors chain that are **before** the `ActiveSupport::Testing::SetupAndTeardown` will behave incorrectly: - Their `before_setup` method will get called **after** all regular setup method - Their `after_teardown` method won't even get called in case an exception is raised inside a regular's test `teardown` A simple reproduction script of the problem here https://gist.github.com/Edouard-chin/70705542a59a8593f619b02e1c0a188c - One solution to this problem is to have the `AS::SetupAndTeardown` module be the very first in the ancestors chain. By doing that we ensure that no `before_setup` / `after_teardown` get executed prior to running the teardown callbacks
* Fix Style/RedundantReturn offensesBart de Water2018-04-211-1/+1
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* `SetupAndTeardown#teardown` should call any subsequent after_teardown:Edouard CHIN2018-04-061-1/+8
| | | | | | | | If you have a regular test that have a teardown block, and for any reason an exception get raised, ActiveSupport will not run subsequent after_teardown method provided by other module or gems. One of them being the ActiveRecord::TestFixtures which won't rollback the transation when the test ends making all subsequent test to be in a weird state. The default implementation of minitest is to run all teardown methods from the user's test, rescue all exceptions, run all after_teardown methods provided by libraries and finally re-raise the exception that happened in the user's teardown method. Rails should do the same.
* Ruby 2.4: take advantage of String#unpack1Jeremy Daer2018-03-011-2/+2
| | | | | https://bugs.ruby-lang.org/issues/12752 https://ruby-doc.org/core-2.4.0/String.html#method-i-unpack1
* Remove usage of strip_heredoc in the framework in favor of <<~Rafael Mendonça França2018-02-161-2/+1
| | | | | Some places we can't remove because Ruby still don't have a method equivalent to strip_heredoc to be called in an already existent string.
* Add test parallelization to Railseileencodes2018-02-151-0/+102
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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]
* Support hash as first argument in `assert_difference`. (#31600)Julien Meichelbeck2018-01-181-7/+21
| | | | | | | | | | | | | | | | | * Support hash as first argument for `assert_difference`. This allows to specify multiple numeric differences in the same assertion. Example: assert_difference 'Article.count' => 1, 'Notification.count' => 2 do # post :create, params: { article: {...} } end * Support error message when passing a hash as a first parameter * Format CHANGELOG properly [Julien Meichelbeck + Rafael Mendonça França]
* Merge pull request #31624 from y-yagi/fix_minitest_511Aaron Patterson2018-01-101-2/+4
|\ | | | | Add support for Minitest 5.11
| * Use `Minitest::Result` for retain test resultyuuji.yaginuma2018-01-031-2/+4
| | | | | | | | | | | | | | | | Runnable.marshal_dump/load was removed in https://github.com/seattlerb/minitest/commit/00433fc0a4fdd0e6b302aace633384ba1312237 Instead, `Minitest::Result` is contained test result and the that can be marshalled.
* | Merge pull request #31011 from ↵Ryuta Kamizono2018-01-041-5/+6
|\ \ | |/ |/| | | | | | | danielma/dma/assert-changes-with-to-should-still-assert-change `assert_changes` should always assert some change
| * `assert_changes` should always assert some changeDaniel Ma2017-11-131-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While using `assert_changes`, I came across some unexpected behavior: if you provide a `to:` argument, and the expression matches but didn't actually change, the assertion will pass. The way `assert_changes` reads, I assumed that it would both assert that there was any change at all, _and_ that the expression changed to match my `to:` argument. In the case of just a `from:` argument, `assert_changes` does what I expect as well. It asserts that the before value `=== from` and that the after value changed. My key change is that `assert_changes` will now _always_ assert that expression changes, no matter what combination of `from:` and `to:` arguments
* | Prevent race condition when resetting time stubsEugene Kenny2017-12-121-1/+2
|/ | | | | | | | | If the current thread is preempted after the stub has been removed but before the original method has been restored, then the other thread will get a `NoMethodError` when it tries to call the method. Using `silence_redefinition_of_method` instead of `undef_method` ensures that either the stub or the original method is always in place.
* Use plain assert in assert_changes to avoid MT6 refutesGenadi Samokovarov2017-11-071-7/+2
| | | | | | | | | | | | | | | Seeing the previously issued PRs about it, we can avoid the `nil` comparisons that can happen in `assert_changes` by using plain `assert` calls. This is to avoid a deprecation warning about comparing `nil` values in `assert_equal` for Minitest 5 and a crash in Minitest 6. You can see the preparations done in [`assert_equal`][ae]. You can also see that [`assert`][a] does not care about `nil`s. [ae]: https://github.com/seattlerb/minitest/blob/ca6a71ca901016db09a5ad466b4adea4b52a504a/lib/minitest/assertions.rb#L159-L188 [a]: https://github.com/seattlerb/minitest/blob/ca6a71ca901016db09a5ad466b4adea4b52a504a/lib/minitest/assertions.rb#L131-L142
* Resolve Minitest 6 deprecation in assert_no_changesDan Ott2017-11-061-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | These changes resolve a deprecation warning in `assert_no_changes` when asserting that an expression evaluates to `nil` before and after the passed block is evaluated. The smallest demonstration of this edge case: ```ruby assert_no_changes "nil" do true # noop end ``` Under the covers, this is evaluating ```ruby assert_equal nil, nil ``` Minitest 5 issues a deprecation warning, and Minitest will fail completely. For additional context, the motivations and implications of this change to Minitest have been discussed at length in [seattlerb/minitest#666][]. [seattlerb/minitest#666]: https://github.com/seattlerb/minitest/issues/666
* removed unnecessary returnsShuhei Kitagawa2017-10-281-1/+1
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* [Active Support] require_relative => requireAkira Matsuda2017-10-214-8/+8
| | | | This basically reverts 8da30ad6be34339124ba4cb4e36aea260dda12bc
* fix typo in assert_changes error messageBoris Slobodin2017-07-311-1/+1
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* Merge pull request #29860 from georgeclaghorn/travel-back-automaticallyRafael França2017-07-241-1/+8
|\ | | | | Remove time stubs after each test
| * Remove time stubs after each testGeorge Claghorn2017-07-221-1/+8
| | | | | | | | Reverts 7abb6e0.
* | Fix doc format for `ActiveSupport::Testing::TimeHelpers` [ci skip]yuuji.yaginuma2017-07-151-2/+2
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* [Active Support] `rubocop -a --only Layout/EmptyLineAfterMagicComment`Koichi ITO2017-07-1112-0/+12
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* :scissors:Ryuta Kamizono2017-07-111-1/+0
| | | | [ci skip]
* * Don't eagerly require Rails' minitest plugin.Kasper Timm Hansen2017-07-101-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | By making the Rails minitest behave like a standard minitest plugin we're much more likely to not break when people use other minitest plugins. Like minitest-focus and pride. To do this, we need to behave like minitest: require files up front and then perform the plugin behavior via the at_exit hook. This also saves us a fair bit of wrangling with test file loading. Finally, since the environment and warnings options have to be applied as early as possible, and since minitest loads plugins at_exit, they have to be moved to the test command. * Don't expect the root method. It's likely this worked because we eagerly loaded the Rails minitest plugin and that somehow defined a root method on `Rails`. * Assign a backtrace to failed exceptions. Otherwise Minitest pukes when attempting to filter the backtrace (which Rails' backtrace cleaner then removes). Means the exception message test has to be revised too. This is likely caused by the rails minitest plugin now being loaded for these tests and assigning a default backtrace cleaner.
* Added time helper method `freeze_time` which is an alias for `travel_to ↵प्रथमेश Sonpatki2017-07-101-0/+21
| | | | Time.now` (#29681)
* Use frozen-string-literal in ActiveSupportKir Shatrov2017-07-0912-0/+12
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* [Active Support] require => require_relativeAkira Matsuda2017-07-014-8/+8
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* Add missing "not" in the doc for `assert_no_changes` [ci skip]Ryuta Kamizono2017-05-301-1/+1
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* Explicitly require AS::Time in AS::Testing::TimeHelpersT.J. Schuck2017-04-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you just try to use `ActiveSupport::Testing::TimeHelpers` standalone by requiring `active_support/testing/time_helpers`, you currently get an error: `NoMethodError: undefined method `change' for 2017-12-14 01:04:44 -0500:Time` 9f6e82ee4783e491c20f5244a613fdeb4024beb5 added a dependency on `AS::Time` by using `AS::Time#change`. Here's a script to reproduce the error: ```ruby require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "activesupport", github: "rails/rails" end require "active_support/testing/time_helpers" require "minitest/autorun" class BugTest < Minitest::Test include ActiveSupport::Testing::TimeHelpers def test_stuff travel_to Time.new(2017, 12, 14, 01, 04, 44) do assert true end end end ``` It currently fails for all 5.x.x versions and master. Ideally, this would be backported to `5-0-stable` and `5-1-stable` as well.
* Prevent multiple values being set to `run_via`yuuji.yaginuma2017-02-181-2/+2
| | | | | When executing the test via rake, since `rake` is set for `run_via`, `ruby` should not be set. Related 2cb6c27310452da11b93d729c3b760ce988106e1
* Make time travel work with subclasses of Time/Date/DatetimeJonas Nicklas2017-01-101-5/+5
| | | | | Closes #27614 Previously when calling `now` on a subclass of e.g. `Time` it would return an instance of `Time` instead of returning an instance of the subclass. This way, we always return the correct class.
* `self.` is not needed when calling its own instance methodAkira Matsuda2017-01-051-2/+2
| | | | Actually, private methods cannot be called with `self.`, so it's not just redundant, it's a bad habit in Ruby
* Fix arguments passing in testing isolationKir Shatrov2016-11-301-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The issue affects MRI 2.2.5, MRI 2.3.3, JRuby 9.1.6.0. It can be reproduced by: ``` $ cd activemodel $ NO_FORK=1 bundle exec rake test ``` If we wrap original arguments in quotes, it will be considered as a one big single argument. Later, [`rake/rake_test_loader.rb`](https://github.com/ruby/rake/blob/7863b97/lib/rake/rake_test_loader.rb#L15) will iterate over ARGS and try to require that huge single "argument" (which is a list of multiple .rb files). This leads to an exception: ``` /Users/kir/Project s/opensource/rails/vendor/bundle/gems/rake-11.3.0/lib/rake/rake_test_loader.rb:15:in `require': cannot load such file -- /Users/kir/Projects/opensource/rails/activemodel/test/cases/ attribute_assignment_test.rb [stripped] /Users/kir/Projects/opensource/rails/activemodel/test/cases/validations/with_validation_test.rb /Users/kir/Projects/opensource/rails/activemodel/test/cases/validations_test .rb (LoadError) from /Users/kir/Projects/opensource/rails/vendor/bundle/gems/rake-11.3.0/lib/rake/rake_test_loader.rb:15:in `block in <main>' from /Users/kir/Projects/opensource/rails/vendor/bundle/gems/rake-11.3.0/lib/rake/rake_test_loader.rb:4:in `select' from /Users/kir/Projects/opensource/rails/vendor/bundle/gems/rake-11.3.0/lib/rake/rake_test_loader.rb:4:in `<main>' ``` Originally quotes were introduced in https://github.com/rails/rails/pull/19819 to fix MRI 2.2.2. The fix solves issue on all affected platforms: MRI 2.2.5, MRI 2.3.3, JRuby 9.1.6.0.
* Fix testing isolationKir Shatrov2016-11-151-1/+2
| | | | | | | | | | | | | | | | | | | | | | | AS::Testing::Isolation has two ways to isolate the process: forking and subprocessing. The second way is used on JRuby and other platforms that don't support forking. The way how subprocessing works is that we prepare a command to run a new process: ``` /opt/rubies/2.3.0/bin/ruby -I{skipped_load_path} test/initializable_test.rb '' -nInitializableTests::Basic#test_Initializer_provides_context's_class_name ``` As you see, there's unescaped quote at the end of the line. It leads to: ``` sh: -c: line 0: unexpected EOF while looking for matching `'' sh: -c: line 1: syntax error: unexpected end of file ``` This fixes tests on MRI + NO_FORK variable and on JRuby :tada:
* Add more rubocop rules about whitespacesRafael Mendonça França2016-10-291-1/+1
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* fffffff, Add code missing in 29f0fbdKasper Timm Hansen2016-09-251-2/+2
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* Revise setting of run_with_rails_extension.Kasper Timm Hansen2016-09-251-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | The Rails test runner supports three ways to run tests: directly, via rake, or ruby. When Running with Ruby ala `ruby -Itest test/models/post_test.rb` our test file would be evaluated first, requiring `test_helper` and then `active_support/testing/autorun` that would then require the test file (which it hadn't been before) thus reevaluating it. This caused exceptions if using Active Support's declarative syntax. Fix this by shifting around when we set the how we're run to closer mimick the require order. If we're running with `bin/rails test` the test command file is run first and we then set `run_with_rails_extension`, later we hit `active_support/testing/autorun` and do nothing — because we've been run elsewhere. If we at this point haven't set `run_with_rails_extension` we've been running with `ruby` this whole time and thus we set that. We should always trigger `Minitest.autorun` as it doesn't hurt to call it twice. Consolidate the two methods into a single one that better brings out the intent of why they're there.
* use `message` that specified in argument to error messageyuuji.yaginuma2016-08-311-1/+1
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* use `inspect` for show `from` valueyuuji.yaginuma2016-08-291-1/+1
| | | | If `from` is nil, in order to avoid the blank is showed.
* Move custom assertion to its proper placeSantosh Wadghule2016-08-271-0/+11
| | | | | | | | ActiveSupport::Testing::Assertions. We have a separate module in which have defined Rails' own custom assertions. So it would be good to keep all custom Rails' assertions in one place i.e. in this module.
* Add three new rubocop rulesRafael Mendonça França2016-08-161-1/+1
| | | | | | | | Style/SpaceBeforeBlockBraces Style/SpaceInsideBlockBraces Style/SpaceInsideHashLiteralBraces Fix all violations in the repository.
* code gardening: removes redundant selfsXavier Noria2016-08-081-1/+1
| | | | | | | | | A few have been left for aesthetic reasons, but have made a pass and removed most of them. Note that if the method `foo` returns an array, `foo << 1` is a regular push, nothing to do with assignments, so no self required.
* applies remaining conventions across the projectXavier Noria2016-08-061-1/+0
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* normalizes indentation and whitespace across the projectXavier Noria2016-08-061-28/+28
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* applies new string literal convention in activesupport/libXavier Noria2016-08-067-13/+13
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* systematic revision of =~ usage in ASXavier Noria2016-07-221-1/+2
| | | | | Where appropriate prefer the more concise Regexp#match?, String#include?, String#start_with?, and String#end_with?
* Introduce `assert_changes` and `assert_no_changes`Genadi Samokovarov2016-07-171-0/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Those are assertions that I really do miss from the standard `ActiveSupport::TestCase`. Think of those as a more general version of `assert_difference` and `assert_no_difference` (those can be implemented by assert_changes, should this change be accepted). Why do we need those? They are useful when you want to check a side-effect of an operation. `assert_difference` do cover a really common case, but we `assert_changes` gives us more control. Having a global error flag? You can test it easily with `assert_changes`. In fact, you can be really specific about the initial state and the terminal one. ```ruby error = Error.new(:bad) assert_changes -> { Error.current }, from: nil, to: error do expected_bad_operation end ``` `assert_changes` follows `assert_difference` and a string can be given for evaluation as well. ```ruby error = Error.new(:bad) assert_changes 'Error.current', from: nil, to: error do expected_bad_operation end ``` Check out the test cases if you wanna see more examples. :beers:
* `travel/travel_to` travel time helpers, now raise on nested calls,Vipul A M2016-07-021-8/+43
| | | | | | | | | | | | | | | | | | | | | | | | | as this can lead to confusing time stubbing. Instead of: travel_to 2.days.from_now do # 2 days from today travel_to 3.days.from_now do # 5 days from today end end preferred way to achieve above is: travel_to 2.days.from_now # 2 days from today travel_back travel_to 5.days.from_now # 5 days from today Closes #24690 Fixes #24689
* Create times in rails timezone not system timezone [ci skip]aarongray2016-06-211-3/+3
| | | | | | Time.new is a Ruby method that uses system timezone. Traveling in time using it is a recipe for confusion. Instead, Time.zone.local should be used since it uses the Rails timezone.
* Remove an unused require in ActiveSupport::TestCaseGenadi Samokovarov2016-06-131-2/+0
| | | | We used to have `assert_blank` and `assert_presence`. [ci skip]
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