Replies: 6 comments 2 replies
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@sumanjeet0012 Take a look and tell if fix is needed |
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@sumanjeet0012 : Feedback, please. |
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@seetadev Reviewing it, Will provide feedback soon. |
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Proposal: Align py-libp2p with go-libp2p Implementation + Tests, then Verify InteroperabilityRationale
Step-by-Step Plan
Advantages
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Hi @acul71, @seetadev, I've noticed that two key test cases appear to be missing from the Also, @acul71, the links in points 3 and 4 seem to be broken. The correct URLs are: Please let me know your thoughts. |
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@sumanjeet0012 |
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TODO Analysis: Missing Pubsub Tests Alignment with Go Implementation
Issue Summary
Location:
tests/core/pubsub/test_pubsub.py:393Issue: Missing tests for
test_stream_handlerandtest_handle_peer_queuethat need to be aligned with Go implementationReference: Issue #191: #191
Current Status
The TODO comment indicates that two critical tests are missing from the Python libp2p pubsub implementation:
test_stream_handler- Tests for the stream handler functionalitytest_handle_peer_queue- Tests for the peer queue handling mechanismThese tests are needed to ensure the Python implementation aligns with the Go libp2p-pubsub behavior.
Problem Analysis
Current Implementation vs Go Implementation
Based on the GitHub issue #191, there are key differences between the Python and Go implementations:
Go Implementation Behavior:
Python Implementation Behavior:
continuously_read_stream)Missing Test Coverage
The missing tests should cover:
Stream Handler Tests:
Peer Queue Tests:
Required Changes
1. Implement
test_stream_handlerTest Scenarios to Cover:
Implementation Details:
net_stream_pair_factoryto create test streamscontinuously_read_streammethod to control behavior2. Implement
test_handle_peer_queueTest Scenarios to Cover:
Implementation Details:
PubsubFactoryto create test pubsub instancesevent_handle_peer_queue_started)Implementation Options
Option 1: Direct Method Testing
Test the methods directly by calling them with mocked dependencies.
Pros:
Cons:
Option 2: Integration Testing
Test the methods through the full pubsub lifecycle.
Pros:
Cons:
Option 3: Hybrid Approach
Combine direct method testing with integration testing for critical paths.
Pros:
Cons:
Recommended Implementation
Recommended Approach: Option 3 (Hybrid Approach)
Test Structure:
Impact Analysis
Positive Impacts:
Potential Risks:
Dependencies:
PubsubFactoryand test utilitiesTesting Requirements
Test Data Requirements:
net_stream_pair_factoryfor stream testingIDFactoryto create test peer IDsmake_pubsub_msgfor test messagesTest Environment Requirements:
Test Validation Requirements:
Implementation Plan
Phase 1: Basic Test Structure
Phase 2: Error Scenarios
Phase 3: Integration Testing
Phase 4: Validation and Cleanup
Recommendations
Conclusion
The missing
test_stream_handlerandtest_handle_peer_queuetests are critical for ensuring the Python libp2p pubsub implementation aligns with the Go implementation. These tests will provide better coverage of core pubsub functionality and help prevent regressions.The recommended hybrid approach provides a good balance of test coverage and maintainability, ensuring both unit-level and integration-level testing of the critical pubsub components.
References
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