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require 'spec_helper'
describe Uniquify, models: true do
let(:uniquify) { described_class.new }
describe "#string" do
it 'returns the given string if it does not exist' do
result = uniquify.string('test_string') { |s| false }
expect(result).to eq('test_string')
end
it 'returns the given string with a counter attached if the string exists' do
result = uniquify.string('test_string') { |s| s == 'test_string' }
expect(result).to eq('test_string1')
end
it 'increments the counter for each candidate string that also exists' do
result = uniquify.string('test_string') { |s| s == 'test_string' || s == 'test_string1' }
expect(result).to eq('test_string2')
end
it 'allows passing in a base function that defines the location of the counter' do
result = uniquify.string(-> (counter) { "test_#{counter}_string" }) do |s|
s == 'test__string'
end
expect(result).to eq('test_1_string')
end
end
end
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