Module: Hoe::RCov

Defined in:
lib/hoe/rcov.rb

Overview

RCov plugin for hoe.

Tasks Provided:

rcov

Analyze code coverage with tests

Instance Method Summary (collapse)

Instance Method Details

- (Object) define_rcov_tasks

Define tasks for plugin.



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# File 'lib/hoe/rcov.rb', line 12

def define_rcov_tasks
  begin # take a whack at defining rcov tasks
    require 'rcov/rcovtask'

    Rcov::RcovTask.new do |t|
      pattern = ENV['PATTERN'] || test_globs

      t.test_files = FileList[pattern]
      t.verbose = true
      t.rcov_opts << Hoe::RUBY_FLAGS
      t.rcov_opts << "--no-color"
      t.rcov_opts << "--save coverage.info"
      t.rcov_opts << "-x ^/"
    end

    # this is for my emacs rcov overlay stuff on emacswiki.
    task :rcov_overlay do
      path = ENV["FILE"]
      rcov, eol = Marshal.load(File.read("coverage.info")).last[path], 1
      puts rcov[:lines].zip(rcov[:coverage]).map { |line, coverage|
        bol, eol = eol, eol + line.length
        [bol, eol, "#ffcccc"] unless coverage
      }.compact.inspect
    end
  rescue LoadError
    # skip
    task :clobber_rcov # in case rcov didn't load
  end
end