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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
import numpy as np
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from tsi_sim.config import SimConfig
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from tsi_sim.engine import run_trajectory
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from tsi_sim.latency import FixedSlotLatency, RealisticLatency, make_latency
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def test_fixed_slot_latency():
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lat = FixedSlotLatency(3)
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assert lat.visible_at(10, np.random.default_rng(0)) == 13
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def test_realistic_latency_zero_mean_immediate():
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lat = RealisticLatency(0.0)
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assert lat.visible_at(5, np.random.default_rng(0)) == 5
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def test_realistic_latency_positive_delays():
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lat = RealisticLatency(4.0)
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rng = np.random.default_rng(0)
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vals = [lat.visible_at(100, rng) for _ in range(200)]
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assert all(v >= 101 for v in vals) # strictly after production
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assert np.mean([v - 100 for v in vals]) > 1.0
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def test_make_latency_dispatch():
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assert isinstance(make_latency(SimConfig(latency=2)), FixedSlotLatency)
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assert isinstance(make_latency(SimConfig(latency=2, latency_stochastic=True)), RealisticLatency)
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def test_pernode_trajectory_integration_runs():
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cfg = SimConfig(n_nodes=300, topology="regular", degree=8, link_latency_mean=3.0,
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k=8, epochs=5, max_uncles=2)
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rows = run_trajectory(cfg)
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assert len(rows) == 5
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assert all(np.isfinite(r["mean_ratio"]) for r in rows)
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