spec/lib/gitlab/ci/config/entry/rules/rule/changes_spec.rb


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# frozen_string_literal: true

require 'fast_spec_helper'

RSpec.describe Gitlab::Ci::Config::Entry::Rules::Rule::Changes do
  let(:factory) do
    Gitlab::Config::Entry::Factory.new(described_class)
      .value(config)
  end

  subject(:entry) { factory.create! }

  before do
    entry.compose!
  end

  describe '.new' do
    context 'when using a string array' do
      let(:config) { %w[app/ lib/ spec/ other/* paths/**/*.rb] }

      it { is_expected.to be_valid }
    end

    context 'when using an integer array' do
      let(:config) { [1, 2] }

      it { is_expected.not_to be_valid }

      it 'returns errors' do
        expect(entry.errors).to include(/changes config should be an array of strings/)
      end
    end

    context 'when using a string' do
      let(:config) { 'a regular string' }

      it { is_expected.not_to be_valid }

      it 'reports an error about invalid policy' do
        expect(entry.errors).to include(/should be an array of strings/)
      end
    end

    context 'when using a long array' do
      let(:config) { ['app/'] * 51 }

      it { is_expected.not_to be_valid }

      it 'returns errors' do
        expect(entry.errors).to include(/has too many entries \(maximum 50\)/)
      end
    end

    context 'when clause is empty' do
      let(:config) {}

      it { is_expected.to be_valid }
    end

    context 'when policy strategy does not match' do
      let(:config) { 'string strategy' }

      it { is_expected.not_to be_valid }

      it 'returns information about errors' do
        expect(entry.errors)
          .to include(/should be an array of strings/)
      end
    end
  end

  describe '#value' do
    subject(:value) { entry.value }

    context 'when using a string array' do
      let(:config) { %w[app/ lib/ spec/ other/* paths/**/*.rb] }

      it { is_expected.to eq(config) }
    end
  end
end