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cbbc495825
Modular backend for the BLE log console rewrite:
- Frame parser with sync state machine and checksum auto-detection
(4 modes: XOR/Sum x Full/Header-only); handles incomplete frames
during re-sync search when previously synced
- Internal frame decoder (INIT_DONE, ENH_STAT, FLUSH, INFO)
- Data models: SourceCode, FrameByteCount, FunnelSnapshot, LossType
- Stats package with composition-root StatsAccumulator orchestrating:
- TransportMetrics (RX bytes, lifetime-average throughput)
- FirmwareLossTracker / FirmwareWrittenTracker (ENH_STAT deltas
with first-report absolute value initialization)
- SNGapTracker (sliding window reorder-tolerant SN gap detection)
- PeakBurstTracker (per-source sliding window burst density)
- TrafficSpikeDetector (wire utilization spike detection)
- Wall-clock burst tracker for non-timestamped sources (REDIR)
- Torn-read guard on ENH_STAT reports (baudrate-based plausibility)
with prev-state update on discard to prevent cascading drops
- Console-local metrics (TransportMetrics, PeakBurstTracker) preserved
across INIT_DONE resets; only ENH_STAT-coupled components reset
- UART transport with port validation and exclusive serial access
- Comprehensive test suite (17 test files, 223 tests)
36 lines
992 B
Python
36 lines
992 B
Python
# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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from src.backend.models import FrameByteCount
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from src.backend.models import FunnelSnapshot
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from src.backend.models import LossType
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from src.backend.models import ThroughputInfo
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def test_frame_byte_count():
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fbc = FrameByteCount(frames=100, bytes=5000)
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assert fbc.frames == 100
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assert fbc.bytes == 5000
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def test_loss_type_enum():
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assert LossType.BUFFER == 'buffer'
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assert LossType.TRANSPORT == 'transport'
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def test_funnel_snapshot_structure():
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zero = FrameByteCount(frames=0, bytes=0)
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tp = ThroughputInfo(
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throughput_fps=0.0, throughput_bps=0.0, peak_write_frames=0, peak_write_bytes=0, peak_window_ms=10
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)
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snap = FunnelSnapshot(
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source=0,
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produced=zero,
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written=zero,
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received=zero,
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buffer_loss=zero,
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transport_loss=zero,
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throughput=tp,
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)
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assert snap.produced.frames == 0
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