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path: root/activemodel/lib/active_model/validations.rb
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* Enable `Layout/EmptyLinesAroundAccessModifier` copRyuta Kamizono2019-06-131-1/+0
| | | | | | | | | | | We sometimes say "✂️ newline after `private`" in a code review (e.g. https://github.com/rails/rails/pull/18546#discussion_r23188776, https://github.com/rails/rails/pull/34832#discussion_r244847195). Now `Layout/EmptyLinesAroundAccessModifier` cop have new enforced style `EnforcedStyle: only_before` (https://github.com/rubocop-hq/rubocop/pull/7059). That cop and enforced style will reduce the our code review cost.
* Use native `Array#append`, `Array#prepend`, `Hash#transform_keys`, and ↵Ryuta Kamizono2018-12-201-2/+0
| | | | | | | | | | `Hash#transform_keys!` Since Rails 6 requires Ruby 2.5. https://github.com/ruby/ruby/blob/ruby_2_5/NEWS Follow up #34754.
* Refactor to `Array(options[:on])` only once in defining validationsRyuta Kamizono2018-01-011-3/+3
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* Use frozen string literal in activemodel/Kir Shatrov2017-07-161-0/+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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* Add option for class_attribute default (#29270)David Heinemeier Hansson2017-05-291-2/+1
| | | | | | | | | | | | * Allow a default value to be declared for class_attribute * Convert to using class_attribute default rather than explicit setter * Removed instance_accessor option by mistake * False is a valid default value * Documentation
* Define path with __dir__bogdanvlviv2017-05-231-1/+1
| | | | | | ".. with __dir__ we can restore order in the Universe." - by @fxn Related to 5b8738c2df003a96f0e490c43559747618d10f5f
* Improving docs for callbacks execution order [ci skip]dixpac2017-05-211-0/+3
| | | | | When define callbacks latest definition on the same callback/method overwrites previous ones.
* Privatize unneededly protected methods in Active ModelAkira Matsuda2016-12-241-3/+3
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* Merge pull request #26905 from bogdanvlviv/docsAndrew White2016-11-131-2/+2
|\ | | | | Add missing `+` around a some literals.
| * Add missing `+` around a some literals.bogdanvlviv2016-10-271-2/+2
| | | | | | | | | | | | Mainly around `nil` [ci skip]
* | Add more rubocop rules about whitespacesRafael Mendonça França2016-10-291-1/+1
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* applies remaining conventions across the projectXavier Noria2016-08-061-1/+0
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* applies new string literal convention in activemodel/libXavier Noria2016-08-061-3/+3
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* [ci skip] Remove duplicate alias documentation in ActiveModel::ValidationsAlex Kitchens2016-06-161-2/+0
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* Eliminate instance level writers for class accessorsAaron Patterson2016-01-221-1/+2
| | | | | | | | | Instance level writers can have an impact on how the Active Model / Record objects are saved. Specifically, they can be used to bypass validations. This is a problem if mass assignment protection is disabled and specific attributes are passed to the constructor. CVE-2016-0753
* Validate multiple contexts on `valid?` and `invalid?` at once.Dmitry Polushkin2015-09-071-1/+1
| | | | | | | | | | | | | | | | | | Example: ```ruby class Person include ActiveModel::Validations attr_reader :name, :title validates_presence_of :name, on: :create validates_presence_of :title, on: :update end person = Person.new person.valid?([:create, :update]) # => true person.errors.messages # => {:name=>["can't be blank"], :title=>["can't be blank"]} ```
* Revert "Merge pull request #21069 from ↵Rafael Mendonça França2015-09-071-1/+1
| | | | | | | | | dmitry/feature/validate-multiple-contexts-at-once" This reverts commit 51dd2588433457960cca592d5b5dac6e0537feac, reversing changes made to ecb4e4b21b3222b823fa24d4a0598b1f2f63ecfb. This broke Active Record tests
* Validate multiple contexts on `valid?` and `invalid?` at once.Dmitry Polushkin2015-07-301-1/+1
| | | | | | | | | | | | | | | | | | Example: ```ruby class Person include ActiveModel::Validations attr_reader :name, :title validates_presence_of :name, on: :create validates_presence_of :title, on: :update end person = Person.new person.valid?([:create, :update]) # => true person.errors.messages # => {:name=>["can't be blank"], :title=>["can't be blank"]} ```
* Revert "Revert "Reduce allocations when running AR callbacks.""Guo Xiang Tan2015-07-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit bdc1d329d4eea823d07cf010064bd19c07099ff3. Before: Calculating ------------------------------------- 22.000 i/100ms ------------------------------------------------- 229.700 (± 0.4%) i/s - 1.166k Total Allocated Object: 9939 After: Calculating ------------------------------------- 24.000 i/100ms ------------------------------------------------- 246.443 (± 0.8%) i/s - 1.248k Total Allocated Object: 7939 ``` begin require 'bundler/inline' rescue LoadError => e $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler' raise e end gemfile(true) do source 'https://rubygems.org' # gem 'rails', github: 'rails/rails', ref: 'bdc1d329d4eea823d07cf010064bd19c07099ff3' gem 'rails', github: 'rails/rails', ref: 'd2876141d08341ec67cf6a11a073d1acfb920de7' gem 'arel', github: 'rails/arel' gem 'sqlite3' gem 'benchmark-ips' end require 'active_record' require 'benchmark/ips' ActiveRecord::Base.establish_connection('sqlite3::memory:') ActiveRecord::Migration.verbose = false ActiveRecord::Schema.define do create_table :users, force: true do |t| t.string :name, :email t.boolean :admin t.timestamps null: false end end class User < ActiveRecord::Base default_scope { where(admin: true) } end admin = true 1000.times do attributes = { name: "Lorem ipsum dolor sit amet, consectetur adipiscing elit.", email: "foobar@email.com", admin: admin } User.create!(attributes) admin = !admin end GC.disable Benchmark.ips(5, 3) do |x| x.report { User.all.to_a } end key = if RUBY_VERSION < '2.2' :total_allocated_object else :total_allocated_objects end before = GC.stat[key] User.all.to_a after = GC.stat[key] puts "Total Allocated Object: #{after - before}" ```
* docs, clarify the meanaing of return values from validation methods.Yves Senn2015-07-071-0/+3
| | | | | | | | | | [ci skip] Closes #20792. Custom validation methods are implemented in terms of callbacks. The `validate` callback chain can't be halted using return values of individual callbacks.
* docs, remove accidental :nodoc: of ActiveModel::Validations::ClassMethods ↵Yves Senn2015-07-071-2/+1
| | | | | | | | | | | | | | | | | | | | | methods. [ci skip] While this :nodoc: did hide the constant it also removed the following methods from the API docs: - #attribute_method? - #clear_validators! - #validate - #validators - #validators_on Those are public API and should be visible. Issue was caused by dee4fbc /cc @zzak
* Don't document private internal constant [ci skip]Zachary Scott2015-04-261-0/+1
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* Revert "Reduce allocations when running AR callbacks."Guo Xiang Tan2015-03-221-1/+1
| | | | This reverts commit 796cab45561fce268aa74e6587cdb9cae3bb243e.
* Move the `validate!` method to `ActiveModel::Validations`.Lucas Mazza2015-02-201-0/+33
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* Pass through the `prepend` option to `AS::Callback`Godfrey Chan2014-12-121-1/+1
| | | | | | | | | | | | | I'm not sure what's the use case for this, but apparently it broke some apps. Since it was not the intended result from #16210 I fixed it to not raise an exception anymore. However, I didn't add documentation for it because I don't know if this should be officially supported without knowing how it's meant to be used. In general, validations should be side-effect-free (other than adding to the error message to `@errors`). Order-dependent validations seems like a bad idea. Fixes #18002
* Prefix internal method with _Rafael Mendonça França2014-10-251-1/+1
| | | | This will avoid naming clash with user defined methods
* Merge pull request #16409 from ↵Zachary Scott2014-10-031-4/+6
|\ | | | | | | | | justinweiss/update_validation_context_documentation Docs: Add a note on custom validation contexts. [ci skip]
| * Add a note on custom validation contexts.Justin Weiss2014-08-051-4/+6
| | | | | | | | | | | | | | | | | | The documentation on `:on` for validations was inconsistent, and most only referenced the `:create` and `:update` contexts. I fixed those to be consistent with the documentation on `AM::Validations.validates`, which seemed to have the best docs. [ci skip]
* | Refactor callback setup in to use lambda instead of evalPablo Herrero2014-09-301-1/+1
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* | Reduce allocations when running AR callbacks.Pete Higgins2014-09-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Inspired by @tenderlove's work in c363fff29f060e6a2effe1e4bb2c4dd4cd805d6e, this reduces the number of strings allocated when running callbacks for ActiveRecord instances. I measured that using this script: ``` require 'objspace' require 'active_record' require 'allocation_tracer' ActiveRecord::Base.establish_connection adapter: "sqlite3", database: ":memory:" ActiveRecord::Base.connection.instance_eval do create_table(:articles) { |t| t.string :name } end class Article < ActiveRecord::Base; end a = Article.create name: "foo" a = Article.find a.id N = 10 result = ObjectSpace::AllocationTracer.trace do N.times { Article.find a.id } end result.sort.each do |k,v| p k => v end puts "total: #{result.values.map(&:first).inject(:+)}" ``` When I run this against master and this branch I get this output: ``` pete@balloon:~/projects/rails/activerecord$ git checkout master M Gemfile Switched to branch 'master' pete@balloon:~/projects/rails/activerecord$ bundle exec ruby benchmark_allocation_with_callback_send.rb > allocations_before pete@balloon:~/projects/rails/activerecord$ git checkout remove-dynamic-send-on-built-in-callbacks M Gemfile Switched to branch 'remove-dynamic-send-on-built-in-callbacks' pete@balloon:~/projects/rails/activerecord$ bundle exec ruby benchmark_allocation_with_callback_send.rb > allocations_after pete@balloon:~/projects/rails/activerecord$ diff allocations_before allocations_after 39d38 < {["/home/pete/projects/rails/activesupport/lib/active_support/callbacks.rb", 81]=>[40, 0, 0, 0, 0, 0]} 42c41 < total: 630 --- > total: 590 ``` In addition to this, there are two micro-optimizations present: * Using `block.call if block` vs `yield if block_given?` when the block was being captured already. ``` pete@balloon:~/projects$ cat benchmark_block_call_vs_yield.rb require 'benchmark/ips' def block_capture_with_yield &block yield if block_given? end def block_capture_with_call &block block.call if block end def no_block_capture yield if block_given? end Benchmark.ips do |b| b.report("block_capture_with_yield") { block_capture_with_yield } b.report("block_capture_with_call") { block_capture_with_call } b.report("no_block_capture") { no_block_capture } end pete@balloon:~/projects$ ruby benchmark_block_call_vs_yield.rb Calculating ------------------------------------- block_capture_with_yield 124979 i/100ms block_capture_with_call 138340 i/100ms no_block_capture 136827 i/100ms ------------------------------------------------- block_capture_with_yield 5703108.9 (±2.4%) i/s - 28495212 in 4.999368s block_capture_with_call 6840730.5 (±3.6%) i/s - 34169980 in 5.002649s no_block_capture 5821141.4 (±2.8%) i/s - 29144151 in 5.010580s ``` * Defining and calling methods instead of using send. ``` pete@balloon:~/projects$ cat benchmark_method_call_vs_send.rb require 'benchmark/ips' class Foo def tacos nil end end my_foo = Foo.new Benchmark.ips do |b| b.report('send') { my_foo.send('tacos') } b.report('call') { my_foo.tacos } end pete@balloon:~/projects$ ruby benchmark_method_call_vs_send.rb Calculating ------------------------------------- send 97736 i/100ms call 151142 i/100ms ------------------------------------------------- send 2683730.3 (±2.8%) i/s - 13487568 in 5.029763s call 8005963.9 (±2.7%) i/s - 40052630 in 5.006604s ``` The result of this is making typical ActiveRecord operations slightly faster: https://gist.github.com/phiggins/e46e51dcc7edb45b5f98
* | Move the array to a constantGodfrey Chan2014-09-231-3/+4
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* | Update error message for validate methodPrathamesh Sonpatki2014-09-201-1/+6
| | | | | | | | | | - Improve the error message by suggesting that the user may have intended to call validates instead of validate method.
* | Merge pull request #15889 from carnesmedia/model-nameRafael Mendonça França2014-08-171-0/+1
|\ \ | |/ |/| | | Use #model_name on instances instead of classes
| * Use #model_name on instances instead of classesAmiel Martin2014-06-241-0/+1
| | | | | | | | | | | | This allows rails code to be more confdent when asking for a model name, instead of having to ask for the class. Rails core discussion here: https://groups.google.com/forum/#!topic/rubyonrails-core/ThSaXw9y1F8
* | %i doesn't work on 1.9Aaron Patterson2014-07-171-1/+1
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* | check for valid options in validate methodsonnym2014-07-171-0/+6
|/ | | | | | | | | | | This change prevents a certain class of user error which results when mistakenly using the `validate` class method instead of the `validates` class method. Only apply when all arguments are symbols, because some validations use the `validate` method and pass in additional options, namely the `LenghValidator` via the `ActiveMode::Validations::validates_with` method.
* ActiveRecord/ActiveModel '#validate' alias for 'valid?'Henrik Nyh2014-03-271-0/+4
| | | | | | | | It's unintuitive to call '#valid?' when you want to run validations but don't care about the return value. The alias in ActiveRecord isn't strictly necessary (the ActiveModel alias is still in effect), but it clarifies.
* Fix doc markup of clear_validators!Carlos Antonio da Silva2014-01-271-2/+2
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* Ability to specify multiple contexts when defining a validation.Vince Puzzella2014-01-271-5/+9
| | | | | | Example: validates_presence_of :name, on: [:update, :custom_validation_context]
* revises references to :allow_(nil|blank) in some docs [ci skip] [Steven Yang ↵Xavier Noria2014-01-261-2/+0
| | | | | | & Xavier Noria] Closes #11247.
* Adding missing backslashes in active_model files so as to avoid unwanted ↵aditya-kapoor2013-12-271-1/+1
| | | | links in rdoc [ci skip]
* remove some evals from callback conditionalsAaron Patterson2013-06-111-1/+3
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* fix ActiveModel::Validations.validators_on docDaichi Arai2013-06-101-1/+0
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* Convert ActiveModel to 1.9 hash syntax.Patrick Robertson2013-05-011-1/+1
| | | | | I also attempted to fix other styleguide violations such as { a: :b } over {a: :b} and foo(b: 'bar') over foo( b: 'bar' ).
* Tidying up some require : removing useless sort and homogenizing with the ↵Intrepidd2013-03-201-4/+1
| | | | rest of the code the wat the includes are done
* The repair_validations helper was not working correctly before becausewangjohn2013-03-191-0/+43
| | | | | | it only cleared the validations that created :validate callbacks. This didn't include the validates created by validates_with, so I've added a method to clear all validations.
* cleanup, removed dispensable `require` statements from `ActiveModel`Yves Senn2012-11-251-3/+0
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* convert comments to 1.9 hash syntaxAvnerCohen2012-10-221-5/+5
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