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require 'json'
module RspecFlaky
class Listener
# - suite_flaky_examples: contains all the currently tracked flacky example
# for the whole RSpec suite
# - flaky_examples: contains the examples detected as flaky during the
# current RSpec run
attr_reader :suite_flaky_examples, :flaky_examples
def initialize(suite_flaky_examples_json = nil)
@flaky_examples = FlakyExamplesCollection.new
@suite_flaky_examples = init_suite_flaky_examples(suite_flaky_examples_json)
end
def example_passed(notification)
current_example = RspecFlaky::Example.new(notification.example)
return unless current_example.attempts > 1
flaky_example = suite_flaky_examples.fetch(current_example.uid) { FlakyExample.new(current_example) }
flaky_example.update_flakiness!(last_attempts_count: current_example.attempts)
flaky_examples[current_example.uid] = flaky_example
end
def dump_summary(_)
write_report_file(flaky_examples, RspecFlaky::Config.flaky_examples_report_path)
new_flaky_examples = flaky_examples - suite_flaky_examples
if new_flaky_examples.any?
Rails.logger.warn "\nNew flaky examples detected:\n"
Rails.logger.warn JSON.pretty_generate(new_flaky_examples.to_report)
write_report_file(new_flaky_examples, RspecFlaky::Config.new_flaky_examples_report_path)
end
end
def to_report(examples)
Hash[examples.map { |k, ex| [k, ex.to_h] }]
end
private
def init_suite_flaky_examples(suite_flaky_examples_json = nil)
unless suite_flaky_examples_json
return {} unless File.exist?(RspecFlaky::Config.suite_flaky_examples_report_path)
suite_flaky_examples_json = File.read(RspecFlaky::Config.suite_flaky_examples_report_path)
end
FlakyExamplesCollection.from_json(suite_flaky_examples_json)
end
def write_report_file(examples_collection, file_path)
return unless RspecFlaky::Config.generate_report?
report_path_dir = File.dirname(file_path)
FileUtils.mkdir_p(report_path_dir) unless Dir.exist?(report_path_dir)
File.write(file_path, JSON.pretty_generate(examples_collection.to_report))
end
end
end
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