Class: Flaky::Middleware::SimulateCiLatency

Inherits:
Object
  • Object
show all
Defined in:
lib/flaky/middleware/simulate_ci_latency.rb

Constant Summary collapse

DEFAULT_DELAY_MS =

f1-standard-2: 2 vCPU, 4 GB RAM (shared tenant) Local Mac: 10+ cores, 16-64 GB RAM (dedicated) Empirically, CI system tests take ~2x longer than local. A 30ms delay per request approximates the difference.

30

Instance Method Summary collapse

Constructor Details

#initialize(app, delay_ms: nil) ⇒ SimulateCiLatency

Returns a new instance of SimulateCiLatency.



12
13
14
15
 
# File 'lib/flaky/middleware/simulate_ci_latency.rb', line 12

def initialize(app, delay_ms: nil)
  @app = app
  @delay_ms = (delay_ms || ENV.fetch("FLAKY_LATENCY_MS", DEFAULT_DELAY_MS)).to_f
end

Instance Method Details

#call(env) ⇒ Object 



17
18
19
20
 
# File 'lib/flaky/middleware/simulate_ci_latency.rb', line 17

def call(env)
  sleep(@delay_ms / 1000.0) if @delay_ms > 0
  @app.call(env)
end