# frozen_string_literal: true

require 'fast_spec_helper'

RSpec.describe Gitlab::Slug::Environment do
  describe '#generate' do
    {
      "staging-12345678901234567" => "staging-123456789-q517sa",
      "9-staging-123456789012345" => "env-9-staging-123-q517sa",
      "staging-1234567890123456" => "staging-1234567890123456",
      "staging-1234567890123456-" => "staging-123456789-q517sa",
      "production" => "production",
      "PRODUCTION" => "production-q517sa",
      "review/1-foo" => "review-1-foo-q517sa",
      "1-foo" => "env-1-foo-q517sa",
      "1/foo" => "env-1-foo-q517sa",
      "foo-" => "foo",
      "foo--bar" => "foo-bar-q517sa",
      "foo**bar" => "foo-bar-q517sa",
      "*-foo" => "env-foo-q517sa",
      "staging-12345678-" => "staging-12345678",
      "staging-12345678-01234567" => "staging-12345678-q517sa",
      "" => "env-q517sa",
      nil => "env-q517sa"
    }.each do |name, matcher|
      before do
        # ('a' * 64).to_i(16).to_s(36).last(6) gives 'q517sa'
        allow(Digest::SHA2).to receive(:hexdigest).with(name).and_return('a' * 64)
      end

      it "returns a slug matching #{matcher}, given #{name}" do
        slug = described_class.new(name).generate

        expect(slug).to match(/\A#{matcher}\z/)
      end
    end
  end
end