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require 'coverage'
require 'simplecov'
def SimpleCov.sequel_coverage(opts = {})
start do
enable_coverage :branch
command_name SEQUEL_COVERAGE unless SEQUEL_COVERAGE == "1"
# Work around Ruby Bug #16967
Coverage.singleton_class.prepend(Module.new do
def result
res = super
check_branch = true
skip_2nd = lambda do |ary|
ary = ary.dup
ary.slice!(1)
ary
end
res.values.each do |hash|
if check_branch
unless hash.is_a?(Hash) && hash[:branches]
return res
end
check_branch = false
end
unique_branches = {}
branch_counters = {}
new_branches = {}
branches = hash[:branches]
branches.each do |k, v|
new_k = skip_2nd[k]
if branch_values = unique_branches[new_k]
v.each do |k1, v1|
branch_counters[skip_2nd[k1]] += v1
end
branch_values.keys.each do |k1|
branch_values[k1] = branch_counters[skip_2nd[k1]]
end
else
unique_branches[new_k] = new_branches[k] = v
v.each do |k1, v1|
branch_counters[skip_2nd[k1]] = v1
end
end
end
hash[:branches] = new_branches
end
res
end
end)
add_filter "/spec/"
add_group('Missing-Revelent'){|src| src.filename =~ opts[:group] && src.covered_percent < 100} if opts[:group]
add_group('Missing'){|src| src.covered_percent < 100}
add_group('Covered'){|src| src.covered_percent == 100}
if ENV['SEQUEL_MERGE_COVERAGE']
regexps = [%r{lib/sequel/(extensions|plugins)/\w+\.rb\z}, %r{lib/sequel/(\w+\.rb|(dataset|database|model|connection_pool)/\w+\.rb|adapters/mock\.rb)\z}]
add_filter{|src| src.filename !~ Regexp.union(regexps)}
else
add_filter{|src| src.filename !~ opts[:filter]} if opts[:filter]
end
end
end
SEQUEL_COVERAGE = ENV.delete('COVERAGE')
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