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-rw-r--r--activemodel/lib/active_model/validations.rb22
1 files changed, 15 insertions, 7 deletions
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index 7ee033ba5f..6a2668b8f7 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -68,8 +68,9 @@ module ActiveModel
#
# Options:
# * <tt>:on</tt> - Specifies the contexts where this validation is active.
- # You can pass a symbol or an array of symbols.
- # (e.g. <tt>on: :create</tt> or <tt>on: :custom_validation_context</tt> or
+ # Runs in all validation contexts by default (nil). You can pass a symbol
+ # or an array of symbols. (e.g. <tt>on: :create</tt> or
+ # <tt>on: :custom_validation_context</tt> or
# <tt>on: [:create, :custom_validation_context]</tt>)
# * <tt>:allow_nil</tt> - Skip validation if attribute is +nil+.
# * <tt>:allow_blank</tt> - Skip validation if attribute is blank.
@@ -86,6 +87,8 @@ module ActiveModel
validates_with BlockValidator, _merge_attributes(attr_names), &block
end
+ VALID_OPTIONS_FOR_VALIDATE = [:on, :if, :unless, :prepend].freeze
+
# Adds a validation method or block to the class. This is useful when
# overriding the +validate+ instance method becomes too unwieldy and
# you're looking for more descriptive declaration of your validations.
@@ -128,8 +131,9 @@ module ActiveModel
#
# Options:
# * <tt>:on</tt> - Specifies the contexts where this validation is active.
- # You can pass a symbol or an array of symbols.
- # (e.g. <tt>on: :create</tt> or <tt>on: :custom_validation_context</tt> or
+ # Runs in all validation contexts by default (nil). You can pass a symbol
+ # or an array of symbols. (e.g. <tt>on: :create</tt> or
+ # <tt>on: :custom_validation_context</tt> or
# <tt>on: [:create, :custom_validation_context]</tt>)
# * <tt>:if</tt> - Specifies a method, proc or string to call to determine
# if the validation should occur (e.g. <tt>if: :allow_validation</tt>,
@@ -144,13 +148,17 @@ module ActiveModel
options = args.extract_options!
if args.all? { |arg| arg.is_a?(Symbol) }
- options.assert_valid_keys([:on, :if, :unless])
+ options.each_key do |k|
+ unless VALID_OPTIONS_FOR_VALIDATE.include?(k)
+ raise ArgumentError.new("Unknown key: #{k.inspect}. Valid keys are: #{VALID_OPTIONS_FOR_VALIDATE.map(&:inspect).join(', ')}. Perhaps you meant to call `validates` instead of `validate`?")
+ end
+ end
end
if options.key?(:on)
options = options.dup
options[:if] = Array(options[:if])
- options[:if].unshift lambda { |o|
+ options[:if].unshift ->(o) {
Array(options[:on]).include?(o.validation_context)
}
end
@@ -384,7 +392,7 @@ module ActiveModel
protected
def run_validations! #:nodoc:
- run_callbacks :validate
+ _run_validate_callbacks
errors.empty?
end
end