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Futureport RSpex 1.x's Rcov::VerifyTask.
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module RCov | ||
# A task that can verify that the RCov coverage doesn't | ||
# drop below a certain threshold. It should be run after | ||
# running Spec::Rake::SpecTask. | ||
class VerifyTask < Rake::TaskLib | ||
# Name of the task. Defaults to :verify_rcov | ||
attr_accessor :name | ||
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# Path to the index.html file generated by RCov, which | ||
# is the file containing the total coverage. | ||
# Defaults to 'coverage/index.html' | ||
attr_accessor :index_html | ||
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# Whether or not to output details. Defaults to true. | ||
attr_accessor :verbose | ||
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# The threshold value (in percent) for coverage. If the | ||
# actual coverage is not equal to this value, the task will raise an | ||
# exception. | ||
attr_accessor :threshold | ||
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# Require the threshold value be met exactly. This is the default. | ||
attr_accessor :require_exact_threshold | ||
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def initialize(name=:verify_rcov) | ||
@name = name | ||
@index_html = 'coverage/index.html' | ||
@verbose = true | ||
@require_exact_threshold = true | ||
yield self if block_given? | ||
raise "Threshold must be set" if @threshold.nil? | ||
define | ||
end | ||
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def define | ||
desc "Verify that rcov coverage is at least #{threshold}%" | ||
task @name do | ||
total_coverage = 0 | ||
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File.open(index_html).each_line do |line| | ||
if line =~ /<tt class='coverage_total'>\s*(\d+\.\d+)%\s*<\/tt>/ | ||
total_coverage = $1.to_f | ||
break | ||
end | ||
end | ||
puts "Coverage: #{total_coverage}% (threshold: #{threshold}%)" if verbose | ||
raise "Coverage must be at least #{threshold}% but was #{total_coverage}%" if total_coverage < threshold | ||
raise "Coverage has increased above the threshold of #{threshold}% to #{total_coverage}%. You should update your threshold value." if (total_coverage > threshold) and require_exact_threshold | ||
end | ||
end | ||
end | ||
end |