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path: root/actionpack/test/controller/parameters/dup_test.rb
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* Use assert_predicate and assert_not_predicateDaniel Colson2018-01-251-3/+3
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* Use frozen string literal in actionpack/Kir Shatrov2017-07-291-0/+2
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* Revert "Merge pull request #29540 from kirs/rubocop-frozen-string"Matthew Draper2017-07-021-1/+0
| | | | | This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
* Enforce frozen string in RubocopKir Shatrov2017-07-011-0/+1
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* ActionController::Parameters#deep_dup (#26567)Pavel Evstigneev2016-10-111-0/+22
| | | | | | | | | | | * ActionController::Parameters#deep_dup * Tests for ActionController::Parameters#deep_dup * Fix test for ActionController::Parameters#deep_dup * More tests for ActionController::Parameters#deep_dup [Rafael Mendonça França + Pavel Evstigneev]
* Add three new rubocop rulesRafael Mendonça França2016-08-161-1/+1
| | | | | | | | Style/SpaceBeforeBlockBraces Style/SpaceInsideBlockBraces Style/SpaceInsideHashLiteralBraces Fix all violations in the repository.
* applies new string literal convention in actionpack/testXavier Noria2016-08-061-6/+6
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* Remove duplicate test and fix a typo in the testPrathamesh Sonpatki2016-07-121-1/+1
| | | | | - Tests for dup'ing params was separately added in a separate file in https://github.com/rails/rails/pull/25735.
* Trust `Object#dup` in `ActionController::Parameters`, using ↵Tim Rogers2016-07-081-1/+19
| | | | | | `#initialize_copy` to manually duplicate the underlying parameters hash It looks like `ActionController::Parameters#dup` is leftover from when the class inherited from `Hash`. We can just trust `#dup`, which already copies the `@permitted` instance variable (confirmed by tests). We still define a `#initialize_copy` to make `@parameters` a copy that can be mutated without affecting the original instance.
* Changes to a dupped `ActionController::Parameters` mutate the originalTim Rogers2016-07-071-0/+25
When `ActionController::Parameters` is duplicated with `#dup`, it doesn't create a duplicate of the instance variables (e.g. `@parameters`) but rather maintains the reference (see <http://ruby-doc.org/core-2.3.1/Object.html>). Given that the parameters object is often manipulated as if it were a hash (e.g. with `#delete` and similar methods), this leads to unexpected behaviour, like the following: ``` params = ActionController::Parameters.new(foo: "bar") duplicated_params = params.dup duplicated_params.delete(:foo) params == duplicated_params ``` This fixes the bug by defining a private `#initialize_copy` method, used internally by `#dup`, which makes a copy of `@parameters`.