# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Gitlab::Tracking::EventDefinition do
  let(:attributes) do
    {
      description: 'Created issues',
      category: 'issues',
      action: 'create',
      label_description: 'API',
      property_description: 'The string "issue_id"',
      value_description: 'ID of the issue',
      extra_properties: { confidential: false },
      product_category: 'collection',
      product_stage: 'growth',
      product_section: 'dev',
      product_group: 'group::product analytics',
      distribution: %w(ee ce),
      tier: %w(free premium ultimate)
    }
  end

  let(:path) { File.join('events', 'issues_create.yml') }
  let(:definition) { described_class.new(path, attributes) }
  let(:yaml_content) { attributes.deep_stringify_keys.to_yaml }

  def write_metric(metric, path, content)
    path = File.join(metric, path)
    dir = File.dirname(path)
    FileUtils.mkdir_p(dir)
    File.write(path, content)
  end

  it 'has all definitions valid' do
    expect { described_class.definitions }.not_to raise_error
  end

  describe '#validate' do
    using RSpec::Parameterized::TableSyntax

    where(:attribute, :value) do
      :description          | 1
      :category             | nil
      :action               | nil
      :label_description    | 1
      :property_description | 1
      :value_description    | 1
      :extra_properties     | 'smth'
      :product_category     | 1
      :product_stage        | 1
      :product_section      | nil
      :product_group        | nil
      :distributions        | %[be eb]
      :tiers                | %[pro]
    end

    with_them do
      before do
        attributes[attribute] = value
      end

      it 'raise exception' do
        expect(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception).at_least(:once).with(instance_of(Gitlab::Tracking::InvalidEventError))

        described_class.new(path, attributes).validate!
      end
    end
  end

  describe '.definitions' do
    let(:metric1) { Dir.mktmpdir('metric1') }
    let(:metric2) { Dir.mktmpdir('metric2') }

    before do
      allow(described_class).to receive(:paths).and_return(
        [
          File.join(metric1, '**', '*.yml'),
          File.join(metric2, '**', '*.yml')
        ]
      )
    end

    subject { described_class.definitions }

    after do
      FileUtils.rm_rf(metric1)
      FileUtils.rm_rf(metric2)
    end

    it 'has empty list when there are no definition files' do
      is_expected.to be_empty
    end

    it 'has one metric when there is one file' do
      write_metric(metric1, path, yaml_content)

      is_expected.to be_one
    end
  end
end