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Add initial SSZ parity and benchmark tests for uint64 #1967

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@kosherabbi kosherabbi commented Aug 22, 2024

This PR addresses part of issue #1132 by adding initial parity and benchmark tests for SSZ serialization and deserialization of uint64 values.

Changes made:

  1. Created a new file mod/consensus-types/pkg/types/ssz_test.go
  2. Added tests for uint64 SSZ serialization
  3. Added tests for uint64 SSZ deserialization
  4. Added benchmarks for uint64 SSZ serialization and deserialization

These tests cover the following tasks from the issue:

  • simple type - uint64 (serializer spec parity and benchmark tests)
  • simple type - uint64 (deserializer spec parity and benchmark tests)

Next steps:

  • Add similar tests for other simple types (bool, uint8)
  • Implement tests for fixed types, composite structs, and variable length slices/arrays
  • Add tests for full block serialization/deserialization
  • Implement bijective property tests

This PR is a starting point and can be expanded upon to cover more types and scenarios.

Summary by CodeRabbit

  • New Features

    • Introduced comprehensive testing for the serialization and deserialization of the uint64 data type using the Simple Serialize (SSZ) format.
    • Added benchmarking functions to measure performance for both serialization and deserialization processes.
  • Bug Fixes

    • Enhanced error logging for serialization and deserialization mismatches to improve debugging.

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coderabbitai bot commented Aug 22, 2024

Walkthrough

The changes introduce a new test file ssz_test.go in the types package, implementing comprehensive testing for the serialization and deserialization of the uint64 data type using Simple Serialize (SSZ). The file includes two test functions for validating the processes, benchmarking functions for performance evaluation, and an initialization function to seed random values for testing.

Changes

Files Change Summary
mod/consensus-types/pkg/types/ssz_test.go Introduced testing for uint64 serialization and deserialization using SSZ with benchmarks.

Sequence Diagram(s)

sequenceDiagram
    participant T as Test Function
    participant S as SSZSerialize
    participant D as SSZDeserialize
    participant B as Binary Encoding

    T->>B: Prepare test cases (0, 1, MaxUint64, random)
    T->>S: Call SSZSerialize(test cases)
    S->>B: Serialize to byte representation
    B-->>S: Return byte output
    S-->>T: Return serialized bytes

    T->>D: Call SSZDeserialize(serialized bytes)
    D->>B: Deserialize bytes to uint64
    B-->>D: Return uint64 value
    D-->>T: Return deserialized value
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Poem

🐰 In the meadow, data flows,
Testing numbers as it grows.
Little bytes, oh what a sight,
Serialize by day, deserialize by night.
With each hop, we find the way,
To make our coding bright and gay! 🌼


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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE

Commits

Files that changed from the base of the PR and between 5e804e0 and 9b0568e.

Files selected for processing (1)
  • mod/consensus-types/pkg/types/ssz_test.go (1 hunks)
Additional comments not posted (6)
mod/consensus-types/pkg/types/ssz_test.go (6)

3-10: Imports are appropriate.

The imported packages are suitable for the testing and benchmarking functionality implemented in the file.


12-34: Ensure deterministic test results.

Using rand.Uint64() can lead to non-deterministic test results. Consider using a fixed seed or a predefined value for consistency.

 testCases := []uint64{
  0,
  1,
  math.MaxUint64,
- rand.Uint64(),
+ 1234567890, // Example fixed value
 }

36-59: Ensure deterministic test results.

Using rand.Uint64() can lead to non-deterministic test results. Consider using a fixed seed or a predefined value for consistency.

 testCases := []uint64{
  0,
  1,
  math.MaxUint64,
- rand.Uint64(),
+ 1234567890, // Example fixed value
 }

61-70: Benchmark function is well-structured.

The benchmark function for SSZ serialization is well-structured and correctly resets the timer.


72-83: Benchmark function is well-structured.

The benchmark function for SSZ deserialization is well-structured and correctly resets the timer.


85-87: Init function is appropriate.

The init function correctly seeds the random number generator with the current time for non-deterministic operations.

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4 participants