Class: Coveralls::Lcov::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/coveralls/lcov/converter.rb

Instance Method Summary collapse

Constructor Details

#initialize(tracefile, source_encoding = Encoding::UTF_8, service_name = "travis-ci", service_job_id = nil) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/coveralls/lcov/converter.rb', line 5

def initialize(tracefile, source_encoding = Encoding::UTF_8, service_name = "travis-ci", service_job_id = nil)
  @tracefile = tracefile
  @source_encoding = source_encoding
  @service_name = service_name
  @service_job_id = service_job_id
end

Instance Method Details

#convert ⇒ Object 



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# File 'lib/coveralls/lcov/converter.rb', line 12

def convert
  source_files = []
  lcov_info = parse_tracefile
  lcov_info.each do |filename, info|
    source_files << generate_source_file(filename, info)
  end
  payload = {
    service_name: @service_name,
    service_job_id: service_job_id,
    git: git_info,
    source_files: source_files,
  }
  payload
end

#generate_source_file(filename, info) ⇒ Object 



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# File 'lib/coveralls/lcov/converter.rb', line 62

def generate_source_file(filename, info)
  source = File.open(filename, "r:#{@source_encoding}", &:read).encode("UTF-8")
  lines = source.lines
  coverage = Array.new(lines.to_a.size)
  source.lines.each_with_index do |_line, index|
    coverage[index] = info["coverage"][index + 1]
  end
  top_src_dir = Dir.pwd
  source_file = {
    name: filename.sub(%r!#{top_src_dir}/!, ""),
    source: source,
    coverage: coverage,
  }
  unless info["branches"].empty?
    branches = []
    info["branches"].each do |line_no, blocks_no|
      blocks_no.each do |block_no, branches_no|
        branches_no.each do |branch_no, hits|
          branches.push(line_no, block_no, branch_no, hits)
        end
      end
    end
    source_file["branches"] = branches
  end
  source_file
end

#git_info ⇒ Object 



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# File 'lib/coveralls/lcov/converter.rb', line 89

def git_info
  {
    head: {
      id: `git log -1 --format=%H`,
      committer_email: `git log -1 --format=%ce`,
      committer_name: `git log -1 --format=%cN`,
      author_email: `git log -1 --format=%ae`,
      author_name: `git log -1 --format=%aN`,
      message: `git log -1 --format=%s`,
    },
    remotes: [], # FIXME need this?
    branch: ENV["TRAVIS_BRANCH"] || `git rev-parse --abbrev-ref HEAD`,
  }
end

#parse_tracefile ⇒ Object 



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# File 'lib/coveralls/lcov/converter.rb', line 27

def parse_tracefile
  lcov_info = Hash.new {|h, k| h[k] = { "coverage" => {}, "branches" => {} } }
  source_file = nil
  File.readlines(@tracefile).each do |line|
    case line.chomp
    when /\ASF:(.+)/
      source_file = $1
    when /\ADA:(\d+),(\d+)/
      line_no = $1.to_i
      count = $2.to_i
      coverage = lcov_info[source_file]["coverage"]
      coverage[line_no] = (coverage[line_no] || 0) + count
    when /\ABRDA:(\d+),(\d+),(\d+),(\d+|-)/
      line_no = $1.to_i
      block_no = $2.to_i
      branch_no = $3.to_i
      hits = 0
      unless $4 == "-"
        hits = $4.to_i
      end
      branches = lcov_info[source_file]['branches']
      branches_line = branches[line_no] = branches[line_no] || {}
      branches_block = branches_line[block_no] = branches_line[block_no] || {}
      branches_block[branch_no] = (branches_block[branch_no] || 0) + hits
    when /\Aend_of_record/
      source_file = nil
    end
  end
  lcov_info
rescue => ex
  warn "Could not read tracefile: #{@tracefile}"
  warn "#{ex.class}: #{ex.message}"
  exit(false)
end

#service_job_id ⇒ Object 



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# File 'lib/coveralls/lcov/converter.rb', line 104

def service_job_id
  ENV["TRAVIS_JOB_ID"] || @service_job_id
end