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require 'simplecov'
namespace :ci do
namespace :simplecov do
desc 'GitLab CI | Merge all coverage results and generate report'
task merge: :environment do
merged_result.format!
end
private
def read(file)
return unless File.exist?(file)
data = File.read(file)
return if data.nil? || data.length < 2
data
end
def load(file)
begin
JSON.parse(read(file))
rescue
{}
end
end
def files
Dir.glob(File.join(SimpleCov.coverage_path, '*/.resultset.json'))
end
def resultsfiles
files.map { |file| load(file) }
end
def resultsets
resultsfiles.reduce({}, :merge)
end
def all_results
results = []
resultsets.each do |command_name, data|
result = SimpleCov::Result.from_hash(command_name => data)
# Only add result if the timeout is above the configured threshold
if (Time.now - result.created_at) < SimpleCov.merge_timeout
results << result
end
end
results
end
def merged_result
merged = {}
results = all_results
results.each do |result|
merged = result.original_result.merge_resultset(merged)
end
result = SimpleCov::Result.new(merged)
# Specify the command name
result.command_name = results.map(&:command_name).sort.join(", ")
result
end
end
end
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