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sepehr-safari merged 1 commit into from
Jul 9, 2026
Merged

feat(scenarios): assert-based scenarios + 5 new scenarios + report comparison #101

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12 changes: 12 additions & 0 deletions .changeset/v03-scenarios-assertions.md
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---
'@ocpp-debugkit/toolkit': minor
---

Add 5 new scenarios using rich assertions (15 total):
- `slow-csms-response` — SLOW_RESPONSE + timing assertion
- `meter-anomaly` — METER_VALUE_ANOMALY + payload_field/event_count assertions
- `short-session` — SUSPICIOUS_SESSION_DURATION + session_state/event_count assertions
- `heartbeat-irregular` — HEARTBEAT_INTERVAL_VIOLATION + event_count assertion
- `unresponsive-csms` — UNRESPONSIVE_CSMS + failure_severity/failure_count assertions

Add `compareScenarioReports()` — compare two scenario evaluation results for regression testing.
1 change: 1 addition & 0 deletions CURRENT_STATE.md
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Expand Up @@ -202,6 +202,7 @@ integration examples, and contributor onboarding.
`METER_VALUE_ANOMALY`, `UNRESPONSIVE_CSMS` (15 total rules)
- ✅ Trace diffing — `diffTraces()` API (Issue #85)
- ✅ Rich scenario assertions — 8 assertion types, `evaluateScenario()` (Issue #86)
- ✅ Assert-based scenarios — 5 new scenarios (15 total) + `compareScenarioReports()` (Issue #87)

## What's Next

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81 changes: 81 additions & 0 deletions packages/toolkit/src/scenarios/__scenarios__/heartbeat-irregular.ts
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export default {
name: 'heartbeat-irregular',
description:
'Heartbeats sent at irregular intervals — 300s expected, but 600s gap observed. Expects HEARTBEAT_INTERVAL_VIOLATION failure. Uses event_count assertion for heartbeats.',
trace: {
traceId: 'scenario-heartbeat-irregular',
metadata: {
stationId: 'CS-SYNTHETIC-014',
ocppVersion: '1.6',
source: 'synthetic-scenario',
description: 'Heartbeats sent at irregular intervals — 300s expected, 600s gap observed.',
},
events: [
{
timestamp: '2024-01-15T12:00:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-001',
'BootNotification',
{
chargePointVendor: 'SyntheticVendor',
chargePointModel: 'SM-100',
chargePointSerialNumber: 'CS-SYNTHETIC-014',
firmwareVersion: '1.0.0',
},
],
},
{
timestamp: '2024-01-15T12:00:00.500Z',
direction: 'CSMS_TO_CS',
message: [
3,
'msg-001',
{
currentTime: '2024-01-15T12:00:00.500Z',
interval: 300,
status: 'Accepted',
},
],
},
{
timestamp: '2024-01-15T12:05:00.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-hb-1', 'Heartbeat', {}],
},
{
timestamp: '2024-01-15T12:05:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-hb-1', { currentTime: '2024-01-15T12:05:00.500Z' }],
},
{
timestamp: '2024-01-15T12:15:00.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-hb-2', 'Heartbeat', {}],
},
{
timestamp: '2024-01-15T12:15:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-hb-2', { currentTime: '2024-01-15T12:15:00.500Z' }],
},
{
timestamp: '2024-01-15T12:25:00.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-hb-3', 'Heartbeat', {}],
},
{
timestamp: '2024-01-15T12:25:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-hb-3', { currentTime: '2024-01-15T12:25:00.500Z' }],
},
],
},
expectedFailures: ['HEARTBEAT_INTERVAL_VIOLATION'],
assertions: [
{
type: 'event_count',
params: { min: 3, action: 'Heartbeat' },
},
],
};
153 changes: 153 additions & 0 deletions packages/toolkit/src/scenarios/__scenarios__/meter-anomaly.ts
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export default {
name: 'meter-anomaly',
description:
'Meter values decrease during an active transaction (non-monotonic). Expects METER_VALUE_ANOMALY failure. Uses payload_field assertion to verify meter values.',
trace: {
traceId: 'scenario-meter-anomaly',
metadata: {
stationId: 'CS-SYNTHETIC-012',
ocppVersion: '1.6',
source: 'synthetic-scenario',
description:
'Meter reading decreases from 5000 to 3000 during charging — non-monotonic anomaly.',
},
events: [
{
timestamp: '2024-01-15T14:00:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-001',
'BootNotification',
{
chargePointVendor: 'SyntheticVendor',
chargePointModel: 'SM-100',
chargePointSerialNumber: 'CS-SYNTHETIC-012',
firmwareVersion: '1.0.0',
},
],
},
{
timestamp: '2024-01-15T14:00:00.500Z',
direction: 'CSMS_TO_CS',
message: [
3,
'msg-001',
{
currentTime: '2024-01-15T14:00:00.500Z',
interval: 300,
status: 'Accepted',
},
],
},
{
timestamp: '2024-01-15T14:01:00.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-002', 'Authorize', { idTag: 'SYNTHETIC-TAG-012' }],
},
{
timestamp: '2024-01-15T14:01:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-002', { idTagInfo: { status: 'Accepted' } }],
},
{
timestamp: '2024-01-15T14:02:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-003',
'StartTransaction',
{ connectorId: 1, idTag: 'SYNTHETIC-TAG-012', meterStart: 0 },
],
},
{
timestamp: '2024-01-15T14:02:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-003', { idTagInfo: { status: 'Accepted' }, transactionId: 100012 }],
},
{
timestamp: '2024-01-15T14:05:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-004',
'MeterValues',
{
connectorId: 1,
transactionId: 100012,
meterValue: [{ sampledValue: [{ value: '5000' }] }],
},
],
},
{
timestamp: '2024-01-15T14:05:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-004', {}],
},
{
timestamp: '2024-01-15T14:06:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-005',
'MeterValues',
{
connectorId: 1,
transactionId: 100012,
meterValue: [{ sampledValue: [{ value: '3000' }] }],
},
],
},
{
timestamp: '2024-01-15T14:06:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-005', {}],
},
{
timestamp: '2024-01-15T14:10:00.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-006', 'Heartbeat', {}],
},
{
timestamp: '2024-01-15T14:10:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-006', { currentTime: '2024-01-15T14:10:00.500Z' }],
},
{
timestamp: '2024-01-15T14:30:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-007',
'StopTransaction',
{
transactionId: 100012,
idTag: 'SYNTHETIC-TAG-012',
meterStop: 3000,
reason: 'EVDisconnected',
},
],
},
{
timestamp: '2024-01-15T14:30:00.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-007', { idTagInfo: { status: 'Accepted' } }],
},
],
},
expectedFailures: ['METER_VALUE_ANOMALY'],
assertions: [
{
type: 'payload_field',
params: {
action: 'StartTransaction',
field: 'connectorId',
equals: 1,
},
},
{
type: 'event_count',
params: { min: 2, max: 2, action: 'MeterValues' },
},
],
};
129 changes: 129 additions & 0 deletions packages/toolkit/src/scenarios/__scenarios__/short-session.ts
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export default {
name: 'short-session',
description:
'Session lasts only 10 seconds — suspiciously short. Expects SUSPICIOUS_SESSION_DURATION failure. Uses session_state and event_count assertions.',
trace: {
traceId: 'scenario-short-session',
metadata: {
stationId: 'CS-SYNTHETIC-013',
ocppVersion: '1.6',
source: 'synthetic-scenario',
description: 'Transaction starts and stops within 10 seconds — suspiciously short.',
},
events: [
{
timestamp: '2024-01-15T09:00:00.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-001',
'BootNotification',
{
chargePointVendor: 'SyntheticVendor',
chargePointModel: 'SM-100',
chargePointSerialNumber: 'CS-SYNTHETIC-013',
firmwareVersion: '1.0.0',
},
],
},
{
timestamp: '2024-01-15T09:00:00.500Z',
direction: 'CSMS_TO_CS',
message: [
3,
'msg-001',
{
currentTime: '2024-01-15T09:00:00.500Z',
interval: 300,
status: 'Accepted',
},
],
},
{
timestamp: '2024-01-15T09:00:01.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-002', 'Authorize', { idTag: 'SYNTHETIC-TAG-013' }],
},
{
timestamp: '2024-01-15T09:00:01.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-002', { idTagInfo: { status: 'Accepted' } }],
},
{
timestamp: '2024-01-15T09:00:02.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-003',
'StartTransaction',
{ connectorId: 1, idTag: 'SYNTHETIC-TAG-013', meterStart: 0 },
],
},
{
timestamp: '2024-01-15T09:00:02.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-003', { idTagInfo: { status: 'Accepted' }, transactionId: 100013 }],
},
{
timestamp: '2024-01-15T09:00:03.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-004',
'MeterValues',
{
connectorId: 1,
transactionId: 100013,
meterValue: [{ sampledValue: [{ value: '100' }] }],
},
],
},
{
timestamp: '2024-01-15T09:00:03.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-004', {}],
},
{
timestamp: '2024-01-15T09:00:04.000Z',
direction: 'CS_TO_CSMS',
message: [2, 'msg-005', 'Heartbeat', {}],
},
{
timestamp: '2024-01-15T09:00:04.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-005', { currentTime: '2024-01-15T09:00:04.500Z' }],
},
{
timestamp: '2024-01-15T09:00:10.000Z',
direction: 'CS_TO_CSMS',
message: [
2,
'msg-006',
'StopTransaction',
{
transactionId: 100013,
idTag: 'SYNTHETIC-TAG-013',
meterStop: 100,
reason: 'EVDisconnected',
},
],
},
{
timestamp: '2024-01-15T09:00:10.500Z',
direction: 'CSMS_TO_CS',
message: [3, 'msg-006', { idTagInfo: { status: 'Accepted' } }],
},
],
},
expectedFailures: ['SUSPICIOUS_SESSION_DURATION'],
assertions: [
{
type: 'session_state',
params: { expected: 'completed' },
},
{
type: 'event_count',
params: { min: 1, action: 'StartTransaction' },
},
],
};
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