Class: Gergich::Capture::RubocopCapture

Inherits:
BaseCapture show all
Defined in:
lib/gergich/capture/rubocop_capture.rb

Constant Summary collapse

SEVERITY_MAP = 
{
  "I" => "info",  # info
  "R" => "info",  # refactor
  "C" => "info",  # convention
  "W" => "warn",  # warning
  "E" => "error", # error
  "F" => "error"  # fatal
}.freeze

Instance Method Summary collapse

Methods inherited from BaseCapture

inherited, normalize_captor_class_name

Instance Method Details

#run(output) ⇒ Object 



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# File 'lib/gergich/capture/rubocop_capture.rb', line 15

def run(output)
  # Example:
  #   bin/gergich:47:8: C: Prefer double-quoted strings
  #   if ENV['DEBUG']
  #          ^^^^^^^
  #
  # 1 file inspected, 35 offenses detected, 27 offenses auto-correctable
  #
  # Example:
  # 2 files inspected, 40 offenses detected, 31 offenses auto-correctable
  #
  # Example:
  # 1 file inspected, no offenses detected

  first_line_pattern = /^([^:\n]+):(\d+):\d+:\s(\w):\s/

  parts = output.split(first_line_pattern)

  unless parts.last.match?(/^\d+ files? inspect/)
    raise "RuboCop failed to run properly:\n\n#{output}"
  end

  # strip off the summary line from the last error
  parts[-1] = parts[-1].split("\n")[0..-2].join("\n")

  # strip off the header
  parts.shift

  messages = []

  until parts.empty?
    file = parts.shift
    line = parts.shift
    severity = parts.shift
    message = parts.shift
    # if there is code context at the end, separate it and indent it
    # so that gerrit preserves formatting
    if /(?<context>[^\n]+\n *\^+\n)/m =~ message
      message.sub!(context, "\n#{context.gsub(/^/, ' ')}")
    end
    match = message.match(
      %r{
        \A
        (?<corrected>\[Corrected\]\s)?
        (?<correctable>\[Correctable\]\s)?
        (?:(?<cop>[A-Za-z/]+):\s)?
        (?<message>.*)
        \z
        }mx
    )

    # rubocop:disable Style/DoubleNegation
    messages << {
      path: file,
      position: line.to_i,
      message: match[:message],
      rule: match[:cop],
      corrected: !!match[:corrected],
      correctable: !!match[:correctable],
      severity: SEVERITY_MAP[severity],
      source: "rubocop"
    }
    # rubocop:enable Style/DoubleNegation
  end

  messages
end