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# frozen_string_literal: true
require "test_prof/ext/float_duration"
require "test_prof/ext/string_truncate"
module Minitest
module TestProf
class EventProfFormatter # :nodoc:
using ::TestProf::FloatDuration
using ::TestProf::StringTruncate
def initialize(profilers)
@profilers = profilers
@results = []
end
def prepare_results
@profilers.each do |profiler|
total_results(profiler)
by_groups(profiler)
by_examples(profiler)
end
@results.join
end
private
def total_results(profiler)
time_percentage = time_percentage(profiler.total_time, profiler.absolute_run_time)
@results <<
<<~MSG
EventProf results for #{profiler.event}
Total time: #{profiler.total_time.duration} of #{profiler.absolute_run_time.duration} (#{time_percentage}%)
Total events: #{profiler.total_count}
Top #{profiler.top_count} slowest suites (by #{profiler.rank_by}):
MSG
end
def by_groups(profiler)
result = profiler.results
groups = result[:groups]
groups.each do |group|
description = group[:id][:name]
location = group[:id][:location]
time = group[:time]
run_time = group[:run_time]
time_percentage = time_percentage(time, run_time)
@results <<
<<~GROUP
#{description.truncate} (#{location}) – #{time.duration} (#{group[:count]} / #{group[:examples]}) of #{run_time.duration} (#{time_percentage}%)
GROUP
end
end
def by_examples(profiler)
result = profiler.results
examples = result[:examples]
return unless examples
@results << "\nTop #{profiler.top_count} slowest tests (by #{profiler.rank_by}):\n\n"
examples.each do |example|
description = example[:id][:name]
location = example[:id][:location]
time = example[:time]
run_time = example[:run_time]
time_percentage = time_percentage(time, run_time)
@results <<
<<~GROUP
#{description.truncate} (#{location}) – #{time.duration} (#{example[:count]}) of #{run_time.duration} (#{time_percentage}%)
GROUP
end
end
def time_percentage(time, total_time)
(time / total_time * 100).round(2)
end
end
end
end
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