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#!ruby
require "pathname"
require "open3"
def backup_gcda_files(gcda_files)
gcda_files = gcda_files.map do |gcda|
[gcda, gcda.sub_ext(".bak")]
end
begin
gcda_files.each do |before, after|
before.rename(after)
end
yield
ensure
gcda_files.each do |before, after|
after.rename(before)
end
end
end
$info_files = []
def run_lcov(dir, info)
$info_files << info
system("lcov", "-c", "-d", dir, "--rc", "lcov_branch_coverage=1", "-o", info)
end
def gen_rb_lcov(file)
res = Marshal.load(File.binread(file))
open("lcov-rb-all.info", "w") do |f|
f.puts "TN:" # no test name
base_dir = File.dirname(__dir__)
res.each do |path, cov|
next unless path.start_with?(base_dir)
next if path.start_with?(File.join(base_dir, "test"))
f.puts "SF:#{ path }"
total = covered = 0
cov.each_with_index do |count, lineno|
next unless count
f.puts "DA:#{ lineno + 1 },#{ count }"
total += 1
covered += 1 if count > 0
end
f.puts "LF:#{ total }"
f.puts "LH:#{ covered }"
f.puts "end_of_record"
end
end
end
def gen_rb_lcov(file)
res = Marshal.load(File.binread(file))
open("lcov-rb-all.info", "w") do |f|
f.puts "TN:" # no test name
base_dir = File.dirname(File.dirname(__dir__))
res.each do |path, cov|
next unless path.start_with?(base_dir)
next if path.start_with?(File.join(base_dir, "test"))
f.puts "SF:#{ path }"
# function coverage
total = covered = 0
cov[:methods].each do |(name, lineno), count|
f.puts "FN:#{ lineno },#{ name }"
total += 1
covered += 1 if count > 0
end
f.puts "FNF:#{ total }"
f.puts "FNF:#{ covered }"
cov[:methods].each do |(name, _), count|
f.puts "FNDA:#{ count },#{ name }"
end
# line coverage
total = covered = 0
cov[:lines].each_with_index do |count, lineno|
next unless count
f.puts "DA:#{ lineno + 1 },#{ count }"
total += 1
covered += 1 if count > 0
end
f.puts "LF:#{ total }"
f.puts "LH:#{ covered }"
# branch coverage
total = covered = 0
id = 0
cov[:branches].each do |(base_type, base_lineno), targets|
i = 0
targets.each do |(target_type, target_lineno), count|
f.puts "BRDA:#{ base_lineno },#{ id },#{ i },#{ count }"
total += 1
covered += 1 if count > 0
i += 1
end
id += 1
end
f.puts "BRF:#{ total }"
f.puts "BRH:#{ covered }"
f.puts "end_of_record"
end
end
end
gcda_files = Pathname.glob("**/*.gcda")
ext_gcda_files = gcda_files.select {|f| f.fnmatch("ext/*") }
rubyspec_temp_gcda_files = gcda_files.select {|f| f.fnmatch("rubyspec_temp/*") }
backup_gcda_files(rubyspec_temp_gcda_files) do
if ext_gcda_files != []
backup_gcda_files(ext_gcda_files) do
info = "lcov-root.info"
run_lcov(".", info)
end
end
ext_gcda_files.group_by {|f| f.descend.to_a[1] }.each do |key, files|
info = "lcov-#{ key.to_s.gsub(File::Separator, "-") }.info"
run_lcov(key.to_s, info)
end
end
if $info_files != []
system("lcov", *$info_files.flat_map {|f| ["-a", f] }, "--rc", "lcov_branch_coverage=1", "-o", "lcov-c-all.info")
system("genhtml", "--branch-coverage", "--ignore-errors", "source", "lcov-c-all.info", "-o", "lcov-c-out")
end
if File.readable?("test-coverage.dat")
gen_rb_lcov("test-coverage.dat")
system("genhtml", "--branch-coverage", "--ignore-errors", "source", "lcov-rb-all.info", "-o", "lcov-rb-out")
end
if File.readable?("lcov-c-all.info") && File.readable?("lcov-rb-all.info")
system("lcov", "-a", "lcov-c-all.info", "-a", "lcov-rb-all.info", "--rc", "lcov_branch_coverage=1", "-o", "lcov-all.info") || raise
system("genhtml", "--branch-coverage", "--ignore-errors", "source", "lcov-all.info", "-o", "lcov-out")
end
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