diff options
Diffstat (limited to 'guides/source/active_record_validations.md')
-rw-r--r-- | guides/source/active_record_validations.md | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/guides/source/active_record_validations.md b/guides/source/active_record_validations.md index dfc951f10e..37790c62b1 100644 --- a/guides/source/active_record_validations.md +++ b/guides/source/active_record_validations.md @@ -162,8 +162,8 @@ Person.create(name: nil).valid? # => false ``` After Active Record has performed validations, any errors found can be accessed -through the `errors` instance method, which returns a collection of errors. By -definition, an object is valid if this collection is empty after running +through the `errors.messages` instance method, which returns a collection of errors. +By definition, an object is valid if this collection is empty after running validations. Note that an object instantiated with `new` will not report errors even if it's @@ -176,17 +176,17 @@ end >> p = Person.new #=> #<Person id: nil, name: nil> ->> p.errors +>> p.errors.messages #=> {} >> p.valid? #=> false ->> p.errors +>> p.errors.messages #=> {name:["can't be blank"]} >> p = Person.create #=> #<Person id: nil, name: nil> ->> p.errors +>> p.errors.messages #=> {name:["can't be blank"]} >> p.save @@ -243,7 +243,7 @@ line of code you can add the same kind of validation to several attributes. All of them accept the `:on` and `:message` options, which define when the validation should be run and what message should be added to the `errors` collection if it fails, respectively. The `:on` option takes one of the values -`:save` (the default), `:create` or `:update`. There is a default error +`:save` (the default), `:create` or `:update`. There is a default error message for each one of the validation helpers. These messages are used when the `:message` option isn't specified. Let's take a look at each one of the available helpers. @@ -357,7 +357,7 @@ given regular expression, which is specified using the `:with` option. ```ruby class Product < ActiveRecord::Base validates :legacy_code, format: { with: /\A[a-zA-Z]+\z/, - message: "Only letters allowed" } + message: "only allows letters" } end ``` @@ -677,13 +677,13 @@ class GoodnessValidator def initialize(person) @person = person end - + def validate if some_complex_condition_involving_ivars_and_private_methods? @person.errors[:base] << "This person is evil" end end - + # … end ``` @@ -736,8 +736,8 @@ class Topic < ActiveRecord::Base validates :title, length: { is: 5 }, allow_blank: true end -Topic.create("title" => "").valid? # => true -Topic.create("title" => nil).valid? # => true +Topic.create(title: "").valid? # => true +Topic.create(title: nil).valid? # => true ``` ### `:message` @@ -993,12 +993,12 @@ end person = Person.new person.valid? # => false -person.errors +person.errors.messages # => {:name=>["can't be blank", "is too short (minimum is 3 characters)"]} person = Person.new(name: "John Doe") person.valid? # => true -person.errors # => [] +person.errors.messages # => {} ``` ### `errors[]` |