Contents

# frozen_string_literal: true

module Danger
  # Report missing coverage report using undercover and danger-undercover
  #
  # You have to use [undercover](https://github.com/grodowski/undercover) to gather
  # undercover report and send the report to this plugin so that danger-undercover
  # can use it.
  #
  # @example Report missing coverage report
  #
  #          undercover.report('coverage/undercover.txt')
  #
  # @see  nimblehq/danger-undercover
  # @tags ruby, code-coverage, simplecov, undercover, danger, simplecov-lcov
  #
  class DangerUndercover < Plugin
    VALID_FILE_FORMAT = '.txt'
    DEFAULT_PATH = 'coverage/undercover.txt'

    # Checks the file validity and warns if no file is found
    # if a valid file is found then if there are no changes,
    # shows the report as a message in Danger.
    # If there are reports then it shows the report as a warning in danger.
    # @return  [void]
    #
    def report(undercover_path = DEFAULT_PATH, sticky: true)
      return fail('Undercover: coverage report cannot be found.') unless valid_file? undercover_path

      report = File.open(undercover_path).read.force_encoding('UTF-8')

      if report.match(/some methods have no test coverage/)
        warn(report, sticky: sticky)
      else
        message(report, sticky: sticky)
      end
    end

    private

    # Checks if the file exists and the file is valid
    # @return [Boolean] File validity
    #
    def valid_file?(undercover_path)
      File.exist?(undercover_path) && (File.extname(undercover_path) == VALID_FILE_FORMAT)
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
danger-undercover-1.1.0	lib/undercover/plugin.rb