rspec errors collector and reporter to Slack

error_reporter.rb

class SuiteErrorsReporter
  def self.report_errors(link_url:, link_label:, slack_webhook_url:, errors: fetch_examples_with_errors)
    return if errors.empty?

    WebMock.allow_net_connect! if defined?(WebMock)
    message = "Test suite failed in <#{link_url}|#{link_label}>"
    locations = errors.map(&:location)
    Net::HTTP.post(
      URI(slack_webhook_url),
      {
        text: message,
        attachments: [
          {
            color: "danger",
            text: locations.join("\n")
          }
        ]
      }.to_json
    )
    WebMock.disable_net_connect! if defined?(WebMock)
  end

  def self.fetch_examples_with_errors
    @@spec_suite_errors ||= []
  end

  def self.append_example_with_error(example)
    @@spec_suite_errors ||= []
    @@spec_suite_errors << example
  end
end

RSpec.configure do |config|
  config.after(:each) do |example|
    if example.exception
      SuiteErrorsReporter.append_example_with_error(example)
    end
  end

  config.after(:suite) do
    next if ENV["CI"].blank?

    github_run_id = ENV["GITHUB_RUN_ID"]
    if github_run_id.blank?
      puts "GITHUB_RUN_ID is not set, skipping errors reporting"
      next
    end

    slack_webhook_url = ENV["SLACK_WEBHOOK_URL"]
    if slack_webhook_url.blank?
      puts "SLACK_WEBHOOK_URL is not set, skipping errors reporting"
      next
    end

    link_url = "#{ENV["GITHUB_SERVER_URL"]}/#{ENV["GITHUB_REPOSITORY"]}/actions/runs/#{github_run_id}"
    link_label = "#{ENV["GITHUB_REPOSITORY"]}/#{github_run_id}"
    SuiteErrorsReporter.report_errors(
      link_url: link_url,
      link_label: link_label,
      slack_webhook_url: slack_webhook_url
    )
  end
end