Extract attachments from xcresult files

extractAttachments.rb

require 'json'
require 'ostruct'

file = ARGV[0]
output = ARGV[1]

if file.nil? || output.nil?
    puts "Usage: ruby extractAttachments.rb [xcresult path] [output path]"
    return
end

unless File.exist?(file)
    puts "file does not exist at #{file}"
    return 
end

tests_summary_json = `xcrun xcresulttool get test-results summary --path "#{file}"`
tests_summary = JSON.parse(tests_summary_json, object_class: OpenStruct)

failed_tests = tests_summary.testFailures

failed_tests.each { |failed_test|
    details_json = `xcrun xcresulttool get test-results test-details --test-id "#{failed_test.testIdentifierURL}" --path "#{file}"`
    details = JSON.parse(details_json, object_class: OpenStruct)

    if details.hasMediaAttachments
        test_suite = details.testIdentifier.split("/").first || "unknown"

        output_path = "#{output}/#{test_suite}/#{details.testName}"
        `xcrun xcresulttool export attachments --test-id "#{details.testIdentifierURL}" --path "#{file}" --output-path "#{output_path}"`

        # After exporting, read the manifest
        manifest_path = "#{output_path}/manifest.json"
        manifest = JSON.parse(File.read(manifest_path), object_class: OpenStruct)

        manifest.first.attachments.each { |attachment|
            file_name = attachment.exportedFileName
            suggested_name = attachment.suggestedHumanReadableName

            File.rename("#{output_path}/#{file_name}", "#{output_path}/#{suggested_name}")
        }
    end
}