Dangerfile

# frozen_string_literal: true

# Warn when there is a big PR
warn('Big PR') if git.lines_of_code > 500

# Don't let testing shortcuts get into master by accident
(git.modified_files + git.added_files - %w[Dangerfile]).each do |file|
  next unless File.file?(file)

  contents = File.read(file)
  if file.start_with?('spec')
    failure("`xit` or `fit` left in tests (#{file})") if contents =~ /^\w*[xf]it/
    failure("`fdescribe` left in tests (#{file})") if contents =~ /^\w*fdescribe/
  end
end

# Sometimes its a README fix, or something like that - which isn't relevant for
# including in a CHANGELOG for example
has_app_changes = !git.modified_files.grep(/lib/).empty?
has_test_changes = !git.modified_files.grep(/spec/).empty?

# Add a CHANGELOG entry for app changes
if !git.modified_files.include?('CHANGELOG.md') && has_app_changes
  failure "Please include a CHANGELOG entry. \nYou can find it at [CHANGELOG.md](https://github.com/realm/jazzy/blob/master/CHANGELOG.md)."
  message 'Note, we hard-wrap at 80 chars and use 2 spaces after the last line.'
end

# Non-trivial amounts of app changes without tests
if git.lines_of_code > 50 && has_app_changes && !has_test_changes
  warn 'This PR may need tests.'
end