require "rails_helper"
require Rails.root.join("app/models/data_update_script.rb")

RSpec.describe DataUpdateWorker, type: :worker do
  let(:test_directory) { Rails.root.join("spec/support/fixtures/data_update_scripts") }
  let(:worker) { described_class.new }
  let(:statuses) { %w[working succeeded] }

  before do
    stub_const "DataUpdateScript::DIRECTORY", test_directory
  end

  it "runs scripts that need running" do
    expect do
      worker.perform
    end.to change(DataUpdateScript, :count).by(2)
  end

  it "will not run a script that has already been run" do
    worker.perform
    expect do
      worker.perform
    end.to change(DataUpdateScript, :count).by(0)
  end

  it "updates DataUpdateScript model" do
    expect do
      worker.perform
    end.to change(DataUpdateScript, :count).by(2)

    successsful_dus = DataUpdateScript.find_by(status: :succeeded)
    expect(successsful_dus.finished_at).not_to be_nil
    expect(successsful_dus.run_at).not_to be_nil
    expect(successsful_dus.error).to be_nil

    failed_dus = DataUpdateScript.find_by(status: :failed)
    expect(failed_dus.finished_at).not_to be_nil
    expect(failed_dus.run_at).not_to be_nil
    expect(failed_dus.run_at).not_to be_nil
    expect(failed_dus.error).not_to be_nil
  end

  it "logs data to stdout", :aggregate_failures do
    allow(Rails.logger).to receive(:info)
    allow(Rails.logger).to receive(:error)
    worker.perform

    expect(Rails.logger).to have_received(:info).twice.with(/working/)
    expect(Rails.logger).to have_received(:info).once.with(/succeeded/)
    expect(Rails.logger).to have_received(:error).once.with(/failed/)
  end

  it "logs data to Datadog", :aggregate_failures do
    allow(ForemStatsClient).to receive(:increment)
    worker.perform

    statuses.each do |status|
      expected_args = [
        "data_update_scripts.status",
        { tags: ["status:#{status}", "script_name:20200214151804_data_update_test_script"] },
      ]
      expect(ForemStatsClient).to have_received(:increment).once.with(*expected_args)
    end
  end
end