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allow_nil should work for casted value in NumericalityValidator #40765

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merged 2 commits into from Dec 9, 2020
Merged

allow_nil should work for casted value in NumericalityValidator #40765

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1dee499
`allow_nil` should work for casted value in `NumericalityValidator`
kamipo Dec 8, 2020
720a60e
Split the options checks from `read_attribute_for_validation`
kamipo Dec 9, 2020
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6 changes: 3 additions & 3 deletions activemodel/lib/active_model/validations/numericality.rb
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Expand Up @@ -108,8 +108,8 @@ def allow_only_integer?(record)
end
end

def read_attribute_for_validation(record, attr_name)
return super if record_attribute_changed_in_place?(record, attr_name)
def read_attribute_for_validation(record, attr_name, value)
return value if record_attribute_changed_in_place?(record, attr_name)

came_from_user = :"#{attr_name}_came_from_user?"

Expand All @@ -126,7 +126,7 @@ def read_attribute_for_validation(record, attr_name)
end
end

raw_value || super
raw_value || value
end

def record_attribute_changed_in_place?(record, attr_name)
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7 changes: 4 additions & 3 deletions activemodel/lib/active_model/validator.rb
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Expand Up @@ -147,8 +147,9 @@ def initialize(options)
# override +validate_each+ with validation logic.
def validate(record)
attributes.each do |attribute|
value = read_attribute_for_validation(record, attribute)
value = record.read_attribute_for_validation(attribute)
next if (value.nil? && options[:allow_nil]) || (value.blank? && options[:allow_blank])
value = read_attribute_for_validation(record, attribute, value)
validate_each(record, attribute, value)
end
end
Expand All @@ -166,8 +167,8 @@ def check_validity!
end

private
def read_attribute_for_validation(record, attr_name)
record.read_attribute_for_validation(attr_name)
def read_attribute_for_validation(record, attr_name, value)
value
end
end

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8 changes: 8 additions & 0 deletions activerecord/test/cases/validations/numericality_validation_test.rb
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Expand Up @@ -110,4 +110,12 @@ def test_aliased_attribute

assert_not_predicate subject, :valid?
end

def test_allow_nil_works_for_casted_value
model_class.validates_numericality_of(:bank_balance, greater_than: 0, allow_nil: true)

subject = model_class.new(bank_balance: "")

assert_predicate subject, :valid?
end
end