# frozen_string_literal: true

require 'spec_helper'

describe Autocomplete::ActsAsTaggableOn::TagsFinder do
  describe '#execute' do
    context 'with empty params' do
      it 'returns all tags' do
        tag1 = ActsAsTaggableOn::Tag.create!(name: 'tag1')
        tag2 = ActsAsTaggableOn::Tag.create!(name: 'tag2')

        tags = described_class.new(params: {}).execute

        expect(tags).to match_array [tag1, tag2]
      end
    end

    context 'filter by search' do
      context 'with an empty search term' do
        it 'returns all tags' do
          tag1 = ActsAsTaggableOn::Tag.create!(name: 'tag1')
          tag2 = ActsAsTaggableOn::Tag.create!(name: 'tag2')

          tags = described_class.new(params: { search: '' }).execute

          expect(tags).to match_array [tag1, tag2]
        end
      end

      context 'with a search containing 2 characters' do
        it 'returns the tag that strictly matches the search term' do
          tag1 = ActsAsTaggableOn::Tag.create!(name: 't1')
          ActsAsTaggableOn::Tag.create!(name: 't11')

          tags = described_class.new(params: { search: 't1' }).execute

          expect(tags).to match_array [tag1]
        end
      end

      context 'with a search containing 3 characters' do
        it 'returns the tag that partially matches the search term' do
          tag1 = ActsAsTaggableOn::Tag.create!(name: 'tag1')
          tag2 = ActsAsTaggableOn::Tag.create!(name: 'tag11')

          tags = described_class.new(params: { search: 'ag1' }).execute

          expect(tags).to match_array [tag1, tag2]
        end
      end
    end

    context 'limit' do
      it 'limits the result set by the limit constant' do
        stub_const("#{described_class}::LIMIT", 1)

        ActsAsTaggableOn::Tag.create!(name: 'tag1')
        ActsAsTaggableOn::Tag.create!(name: 'tag2')

        tags = described_class.new(params: { search: 'tag' }).execute

        expect(tags.count).to eq 1
      end
    end
  end
end
