catstodon/spec/validators/unique_username_validator_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe UniqueUsernameValidator do
describe '#validate' do
it 'does not add errors if username is nil' do
account = double(username: nil, persisted?: false, errors: double(add: nil))
subject.validate(account)
expect(account.errors).to_not have_received(:add)
end
it 'does not add errors when existing one is subject itself' do
account = Fabricate(:account, username: 'abcdef')
expect(account).to be_valid
end
it 'adds an error when the username is already used with ignoring cases' do
Fabricate(:account, username: 'ABCdef')
account = double(username: 'abcDEF', persisted?: false, errors: double(add: nil))
subject.validate(account)
expect(account.errors).to have_received(:add)
end
end
end