test: add multi-server scenarios over a shared database - #1247
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🧪 Code Coverage (vs
|
| Base | PR | Delta | |
|---|---|---|---|
| src/a2a/server/agent_execution/active_task.py | 94.18% | 94.63% | 🟢 +0.45% |
| src/a2a/server/cluster/database_event_stream.py | 90.82% | 92.86% | 🟢 +2.04% |
| Total | 92.83% | 92.87% | 🟢 +0.04% |
Generated by coverage-comment.yml
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… test wiring Adds tests/integration/test_multiserver.py: two DefaultRequestHandlerV2 replicas sharing one database (versioned store + DB event stream, each replica on its own engine), exercising cross-replica send, resubscribe, and cancel end to end. Runs only against a real Postgres or MySQL server -- parametrized on POSTGRES_TEST_DSN / MYSQL_TEST_DSN and skipped entirely when neither is set. SQLite is excluded on purpose: its whole-table locking cannot model two simultaneous writers (the lost-update scenario), and the sequential cross-replica behaviours are already covered without a database by tests/server/cluster/test_*_multireplica.py. Wires the DB-requiring cluster tests into scripts/run_db_tests.sh so the local docker-compose helper runs them alongside the existing database tests. CI needs no change: unit-tests.yml already runs the whole tests/ tree with the service- container DSNs exported.
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Adds end-to-end coverage for the multi-replica path against a real database.
Key changes:
Design discussion: #1224