[WIP] Increase test coverage for lnpixels-listener.js to 100%

[Copilot]

• Create comprehensive test file for lnpixels-listener.js
  • Connection management tests (8 tests)
  • Event handling tests (6 tests)
  • Validation tests (12 tests)
  • Rate limiting tests (5 tests)
  • Deduplication tests (7 tests)
  • Memory integration tests (6 tests)
  • Error handling tests
  • Health monitoring tests (7 tests)
  • Integration tests (3 tests)
  • Edge case tests (15 tests)
• Add comprehensive test documentation
• Create coverage verification script
• Add basic structural tests (9 tests)
• Create implementation summary document
• Add test coverage summary

📊 Summary

Test Coverage for lnpixels-listener.js

• Current: 41.95% statements, 15.62% branches, 33.33% functions
• Target: 100% across all metrics
• Tests Created: 78 total (69 comprehensive + 9 basic)

📦 Deliverables

✅ test/lnpixels-listener.test.js - 69 comprehensive unit tests
✅ test/lnpixels-listener.basic.test.js - 9 structural tests
✅ test/README-lnpixels-listener-tests.md - Test documentation
✅ LNPIXELS_LISTENER_TESTING.md - Implementation guide
✅ TEST_COVERAGE_SUMMARY.md - Coverage summary
✅ verify-lnpixels-coverage.sh - Verification script

🎯 Coverage Areas

• WebSocket connection lifecycle
• Event processing and validation
• Rate limiting (token bucket)
• Deduplication (TTL cache)
• Memory integration
• Health monitoring
• Error handling and recovery
• Runtime integration
• Edge cases and boundaries

🚀 Next Steps

Run ./verify-lnpixels-coverage.sh once dependencies are installed to confirm 100% coverage achievement.

Note: Tests follow repository patterns (Vitest, same mocking approach, same conventions) and are ready for execution.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Test coverage for lnpixels-listener.js (41.95% → 100%)</issue_title>
<issue_description>## Overview

The lnpixels-listener.js integrates with the LNPixels service to listen for pixel purchase events and trigger agent responses. With 41.95% coverage, much of the LNPixels integration is untested.

Current Coverage

• Statements: 41.95%
• Branches: 15.62%
• Functions: 33.33%
• Lines: 41.95%
• Target: 100% coverage

Uncovered Areas

Major untested sections:

• WebSocket connection management
• Event listening and parsing
• Pixel purchase event handling
• Delegation memory creation
• Rate limiting and throttling
• Connection recovery
• Event deduplication
• Error handling

Key Functionality to Test

1. Connection Management

• Establishing WebSocket connection
• Connection authentication
• Reconnection logic
• Connection monitoring
• Graceful disconnection

2. Event Handling

• Receiving pixel.bought events
• Parsing event data
• Validating event structure
• Event routing
• Event acknowledgment

3. Pixel Purchase Processing

• Extracting purchase details
• Creating post content
• Triggering post generation
• Rate limiting posts
• Deduplication logic

4. Memory Integration

• Creating delegation memories
• Storing purchase references
• Memory configuration
• Memory cleanup

Testing Strategy

describe('LNPixels Listener', () => {
  describe('Connection Management', () => {
    test('establishes WebSocket connection');
    test('handles connection errors');
    test('implements reconnection logic');
    test('monitors connection health');
    test('disconnects gracefully');
  });

  describe('Event Handling', () => {
    test('receives pixel.bought events');
    test('parses event data correctly');
    test('validates event structure');
    test('routes events appropriately');
    test('handles malformed events');
  });

  describe('Pixel Purchase Processing', () => {
    test('extracts purchase details');
    test('triggers post generation');
    test('applies rate limiting');
    test('deduplicates purchases');
    test('respects posting intervals');
  });

  describe('Memory Integration', () => {
    test('creates delegation memories when enabled');
    test('skips memories when disabled');
    test('stores purchase references');
    test('handles memory creation errors');
  });

  describe('Error Handling', () => {
    test('handles connection failures');
    test('recovers from network errors');
    test('continues after processing errors');
    test('logs errors appropriately');
  });

  describe('Integration', () => {
    test('integrates with service posting');
    test('uses event emitter bridge');
    test('respects configuration');
  });
});

Test Fixtures Needed

• Mock WebSocket connections
• Sample pixel.bought events
• Purchase data examples
• Configuration variations
• Error scenarios

Acceptance Criteria

• Connection management fully tested
• Event handling verified
• Purchase processing covered
• Memory integration tested
• Error handling verified
• Rate limiting tested
• Overall coverage 100%

Related

• Parent: Increase plugin-nostr test coverage to 100% #39 - Increase plugin-nostr test coverage to 100%
• Related: lib/service.js - Consumes pixel events
• Related: lib/bridge.js - Event emitter
• See: test/service.pixelBought.test.js

Priority

🟡 MEDIUM - Important for LNPixels integration and pixel purchase responses.</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #54

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