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##
# RCov plugin for hoe.
#
# === Tasks Provided:
#
# rcov:: Analyze code coverage with tests
module Hoe::RCov
def initialize_rcov
dependency "rcov", "~> 0.9", :development
end
##
# Define tasks for plugin.
def define_rcov_tasks
begin # take a whack at defining rcov tasks
task :isolate # ensure it exists
task :rcov => :isolate do
sh(*make_rcov_cmd)
end
task :clobber_rcov do
rm_rf "coverage"
end
task :clobber => :clobber_rcov
# 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
def make_rcov_cmd
rcov = Gem.bin_wrapper "rcov"
tests = test_globs.sort.map { |g| Dir.glob(g) }.flatten.map(&:inspect)
cmd = %W[#{rcov}
#{Hoe::RUBY_FLAGS}
--text-report
--no-color
--save coverage.info
-x ^/
-x tmp/isolate
--sort coverage
--sort-reverse
-o coverage
] + tests
cmd
end
end
task :clean => :clobber_rcov
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