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# frozen_string_literal: true
require "test_prof/utils/rspec"
module TestProf
module Vernier
# Reporter for RSpec to profile specific examples with Vernier
class Listener # :nodoc:
class << self
attr_accessor :report_name_generator
end
self.report_name_generator = Utils::RSpec.method(:example_to_filename)
NOTIFICATIONS = %i[
example_started
example_finished
].freeze
def example_started(notification)
return unless profile?(notification.example)
notification.example.metadata[:vernier_collector] = TestProf::Vernier.profile
end
def example_finished(notification)
return unless profile?(notification.example)
return unless notification.example.metadata[:vernier_collector]
TestProf::Vernier.dump(
notification.example.metadata[:vernier_collector],
self.class.report_name_generator.call(notification.example)
)
end
private
def profile?(example)
example.metadata.key?(:vernier)
end
end
end
end
RSpec.configure do |config|
config.before(:suite) do
listener = TestProf::Vernier::Listener.new
config.reporter.register_listener(
listener, *TestProf::Vernier::Listener::NOTIFICATIONS
)
end
end
# Handle boot profiling
RSpec.configure do |config|
config.append_before(:suite) do
TestProf::Vernier.dump(TestProf::Vernier.default_collector, "boot") if TestProf::Vernier.config.boot?
end
end
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