fix: allow CLI script output lint

.rubocop.yml

@@ -66,6 +66,14 @@ Rails/SkipsModelValidations:
     - "app/services/tournament_sync_pusher.rb"
     - "db/migrate/**/*"
 
+# These are standalone CLI entrypoints where stdout is command output,
+# not Rails application logging.
+Rails/Output:
+  Exclude:
+    - "e2e/load_test.rb"
+    - "script/e2e_scenarios.rb"
+    - "script/wait_for_http.rb"
+
 Rails/Delegate:
   Exclude:
     - "app/controllers/tournaments_controller.rb"

e2e/load_test.rb

@@ -6,10 +6,6 @@ require 'optparse'
 
 require_relative 'lib/load_test_runner'
 
-def write_line(message = '')
-  $stdout.write("#{message}\n")
-end
-
 def parse_client_list(value)
   return [] if value.nil? || value.strip == '' || value.strip.casecmp('none').zero?
 
@@ -76,12 +72,12 @@ runner = TurniereE2E::LoadTestRunner.new(**runner_options)
 result = runner.run
 
 if options[:format] == 'json'
-  write_line JSON.pretty_generate(result)
+  puts JSON.pretty_generate(result)
 else
-  write_line "Load test base_url=#{result.fetch(:base_url)} tournament_id=#{result.dig(:tournament, :id)}"
+  puts "Load test base_url=#{result.fetch(:base_url)} tournament_id=#{result.dig(:tournament, :id)}"
 
   result.fetch(:http).each do |level|
-    write_line(
+    puts(
       "HTTP #{level.fetch(:clients)} clients: " \
       "#{level.fetch(:ok)}/#{level.fetch(:requests)} ok, errors=#{level.fetch(:errors)}, " \
       "p50=#{level.fetch(:p50_ms)}ms, p95=#{level.fetch(:p95_ms)}ms, " \
@@ -90,7 +86,7 @@ else
   end
 
   result.fetch(:websocket).each do |level|
-    write_line(
+    puts(
       "WS #{level.fetch(:clients)} clients: " \
       "opened=#{level.fetch(:opened)}, errors=#{level.fetch(:errors)}, " \
       "p50_open=#{level.fetch(:p50_open_ms)}ms, p95_open=#{level.fetch(:p95_open_ms)}ms, " \
@@ -99,7 +95,7 @@ else
   end
 
   metrics = result.fetch(:metrics)
-  write_line(
+  puts(
     "Metrics: action_cable_connections=#{metrics.fetch(:action_cable_connections)}, " \
     "action_cable_connections_total=#{metrics.fetch(:action_cable_connections_total)}, " \
     "ruby_threads=#{metrics.fetch(:ruby_threads)}"

script/e2e_scenarios.rb

@@ -5,12 +5,8 @@ require 'json'
 require 'optparse'
 require_relative '../e2e/lib/scenario_runner'
 
-def write_line(message)
-  $stdout.write("#{message}\n")
-end
-
 def fail_with(message)
-  $stderr.write("#{message}\n")
+  warn message
   raise SystemExit, 1
 end
 
@@ -78,4 +74,4 @@ result = case scenario
            fail_with("Unknown scenario #{scenario.inspect}")
          end
 
-write_line JSON.pretty_generate(result)
+puts JSON.pretty_generate(result)

script/wait_for_http.rb

@@ -8,4 +8,4 @@ timeout = (ARGV[1] || 30).to_i
 
 runner = TurniereE2E::ScenarioRunner.new(base_url: url)
 runner.wait_for_healthcheck!(timeout_seconds: timeout)
-$stdout.write("ready: #{url}\n")
+puts "ready: #{url}"