apophis-fastify/docs/qualify.md

# Qualify Mode

Run scenario, stateful, and chaos checks against non-production Fastify services.

## What Qualify Does

`apophis qualify` runs deeper testing than verify:

- **Scenario execution**: Multi-step protocol flows with capture/rebind
- **Stateful testing**: Constructor/mutator/observer/destructor sequences
- **Chaos engineering**: Controlled fault injection
- **Adversity checks**: Failure-path and edge-case validation

## When to Use It

- **Nightly CI**: Scenario and stateful checks for critical flows
- **Staging**: Protocol flow validation before production
- **Specialist teams**: Auth, billing, workflow systems

## Scenario Examples

### OAuth Flow

```javascript
profiles: {
  'oauth-nightly': {
    name: 'oauth-nightly',
    mode: 'qualify',
    preset: 'protocol-lab',
    routes: [],
    seed: 42
  }
}
```

Run with: `apophis qualify --profile oauth-nightly --seed 42`

### Lifecycle Deep

```javascript
profiles: {
  'lifecycle-deep': {
    name: 'lifecycle-deep',
    mode: 'qualify',
    preset: 'protocol-lab',
    routes: [],
    seed: 42
  }
}
```

## Stateful Testing

Stateful tests generate sequences of operations and track resources:

1. **Constructor**: Create resources (POST)
2. **Mutator**: Modify resources (PUT, PATCH)
3. **Observer**: Read resources (GET)
4. **Destructor**: Remove resources (DELETE)

APOPHIS automatically tracks created resources and cleans them up after testing.

## Chaos and Adversity

Chaos testing injects controlled failures:

- **Delay**: Slow responses
- **Error**: Return error status codes
- **Dropout**: Connection failures
- **Corruption**: Malformed response bodies

Configure chaos in your preset:

```javascript
presets: {
  'protocol-lab': {
    name: 'protocol-lab',
    depth: 'deep',
    timeout: 15000,
    parallel: false,
    chaos: true,
    observe: false
  }
}
```

## Profile Examples

### oauth-nightly

```javascript
profiles: {
  'oauth-nightly': {
    name: 'oauth-nightly',
    mode: 'qualify',
    preset: 'protocol-lab',
    routes: [],
    seed: 42
  }
}
```

### lifecycle-deep

```javascript
profiles: {
  'lifecycle-deep': {
    name: 'lifecycle-deep',
    mode: 'qualify',
    preset: 'protocol-lab',
    routes: [],
    seed: 42
  }
}
```

## Non-Prod Boundaries

Qualify mode is gated away from production by default:

| Environment | Scenario | Stateful | Chaos |
|---|---|---|---|
| local | enabled | enabled | enabled |
| test/CI | enabled | enabled | enabled |
| staging | enabled with allowlist | synthetic-only | canary-only |
| production | disabled by default | disabled by default | disabled by default |

## Machine Output for CI

Qualify can produce large output. Use machine-readable formats and event filtering to keep CI logs manageable:

### Concise formats

- `--format json-summary` — emits a single JSON document with summary, failures, and warnings. Omits per-step traces and cleanup outcomes.
- `--format ndjson-summary` — emits three NDJSON lines: `run.started`, `run.summary`, `run.completed`. No per-route events.

### Filtering examples

```bash
# Extract only failed routes from full ndjson
apophis qualify --profile oauth-nightly --format ndjson | jq 'select(.type == "route.failed")'

# Write artifact to disk and parse the file instead of stdout
apophis qualify --profile oauth-nightly --format json --artifact-dir reports/apophis
```

### Recommended CI retention strategy

- Keep artifacts for 30 days in CI storage (S3, GCS, Artifactory).
- Use `--artifact-dir` to write artifacts automatically.
- Parse `json-summary` output for dashboards; keep full `json` artifacts for debugging.

## Exit Codes

| Code | Meaning |
|---|---|
| 0 | All qualifications passed |
| 1 | One or more qualifications failed |
| 2 | Safety violation or invalid config |
| 3 | Internal APOPHIS error |
| 130 | Interrupted (SIGINT) |

## Config Example

```javascript
// apophis.config.js
export default {
  mode: 'qualify',
  profile: 'oauth-nightly',
  profiles: {
    'oauth-nightly': {
      name: 'oauth-nightly',
      mode: 'qualify',
      preset: 'protocol-lab',
      routes: [],
      seed: 42
    },
    'lifecycle-deep': {
      name: 'lifecycle-deep',
      mode: 'qualify',
      preset: 'protocol-lab',
      routes: [],
      seed: 42
    }
  },
  presets: {
    'protocol-lab': {
      name: 'protocol-lab',
      depth: 'deep',
      timeout: 15000,
      parallel: false,
      chaos: true,
      observe: false
    }
  },
  environments: {
    local: {
      name: 'local',
      allowVerify: true,
      allowObserve: true,
      allowQualify: true,
      allowChaos: true,
      allowBlocking: true,
      requireSink: false
    },
    test: {
      name: 'test',
      allowVerify: true,
      allowObserve: true,
      allowQualify: true,
      allowChaos: true,
      allowBlocking: true,
      requireSink: false
    },
    staging: {
      name: 'staging',
      allowVerify: true,
      allowObserve: true,
      allowQualify: true,
      allowChaos: false,
      allowBlocking: false,
      requireSink: true
    }
  }
};
```