ruby代码检查器rubocop

$ gem install rubocop

gem 'rubocop', require: false

$ rubocop

$ rubocop app spec lib/tasks/something.rb

$ rubocop app/models/user.rb
app/models/user.rb:364:25: C: Prefer single-quoted strings when you don't need string interpolation or special symbols.
        description: a1["description"]
                        ^^^^^^^^^^^^^
app/models/user.rb:367:29: C: Space missing after comma.
    items = items.sort { |a1,a2| a2[:watchers] <=> a1[:watchers] }.take(14)
                            ^
app/models/user.rb:368:81: C: Line is too long. [85/80]
    Rails.cache.write(user.github_repositories_cache_key, items, expires_in: 15.days)
                                                                                ^^^^^
app/models/user.rb:371:3: C: Use only ascii symbols in comments.
  # 重新生成 Private Token

  ^^^^^^^^^^^^^^^^^^^^

1 file inspected, 181 offenses detected

$ rubocop -a app/models/user.rb

1 file inspected, 206 offenses detected, 149 offenses corrected

rspec spec/models/user_spec.rb

app/models/user.rb:368:81: C: Line is too long. [85/80]
    Rails.cache.write(user.github_repositories_cache_key, items, expires_in: 15.days)
                                                                                ^^^^^
app/models/user.rb:371:3: C: Use only ascii symbols in comments.
  # 重新生成 Private Token

  ^^^^^^^^^^^^^^^^^^^^

.rubocop.yml

AllCops:

  RunRailsCops: true

Include:

  - '**/Gemfile'

  - '**/Rakefile'

Exclude:

  - 'bin/*'

  - 'db/migrate/*'

  - 'db/seeds.rb'

  - 'db/schema.rb'

  - 'vendor/bundle/**/*'

  

Metrics/LineLength:

  Max: 120

Style/AsciiComments:

  Enabled: false

$ rubocop app/model/user.rb

app/models/user.rb:343:3: C: Assignment Branch Condition size for fetch_github_repositories is too high. [29.9/15]
  def self.fetch_github_repositories(user_id)
  ^^^
app/models/user.rb:343:3: C: Method has too many lines. [23/10]
  def self.fetch_github_repositories(user_id)
  ^^^

1 file inspected, 23 offenses detected