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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe BytesizeValidator do
let(:model) do
Class.new do
include ActiveModel::Model
include ActiveModel::Validations
attr_accessor :content
alias_method :content_before_type_cast, :content
validates :content, bytesize: { maximum: -> { 7 } }
end.new
end
using RSpec::Parameterized::TableSyntax
where(:content, :validity, :errors) do
'short' | true | {}
'very long' | false | { content: ['is too long (9 B). The maximum size is 7 B.'] }
'short😁' | false | { content: ['is too long (9 B). The maximum size is 7 B.'] }
'short⇏' | false | { content: ['is too long (8 B). The maximum size is 7 B.'] }
end
with_them do
before do
model.content = content
model.validate
end
it { expect(model.valid?).to eq(validity) }
it { expect(model.errors.messages).to eq(errors) }
end
end
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