a2aproject/a2a-java

[chore]: Add more tests for ProtoUtils

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#304 opened on Sep 25, 2025

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Description

The ProtoUtils class contains classes for converting gRPC classes and spec classes.

We have a test class called ToProtoTest that has a very limited set of tests for this.

This issue is to add more test cases to thoroughly test ProtoUtils.ToProto and ProtoUtils.FromProto.

The corresponding tests in the Python SDK can be seen here: https://github.com/a2aproject/a2a-python/blob/main/tests/utils/test_proto_utils.py

We should add more test cases similar to what's in the Python tests.

Contributor guide

Research direction
Review the Python test file at the linked URL to understand the test patterns and adapt them to the Java codebase using JUnit. Focus on testing both `ToProto` and `FromProto` methods for various cases.
Tech stack
java
Domain
backend
Issue type
Test
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70