from inferscale.models import SimulationConfig
from inferscale.workloads import generate_workload


def test_workload_is_deterministic():
    cfg = SimulationConfig(seed=42, duration_s=10, request_rate_rps=2)
    a = generate_workload(cfg)
    b = generate_workload(cfg)
    assert [(r.arrival_time, r.prompt_tokens, r.output_tokens) for r in a] == [
        (r.arrival_time, r.prompt_tokens, r.output_tokens) for r in b
    ]


def test_constant_arrivals():
    cfg = SimulationConfig(arrival_process="constant", duration_s=2, request_rate_rps=2)
    reqs = generate_workload(cfg)
    assert [round(r.arrival_time, 3) for r in reqs] == [0.0, 0.5, 1.0, 1.5]