chore: add socket based tests for the new APIs #677
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Pull request overview
This PR adds socket-based end-to-end tests for MQTT session and local channel APIs, enabling verification of exact byte streams sent and received without requiring actual broker or device connections.
Key Changes
- Introduced E2E tests for MQTT session using fake sockets to simulate broker communication
- Added E2E tests for LocalChannel using mock transports to simulate device connections
- Created test fixtures that mock socket-level communications while exercising real protocol encoding/decoding
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 6 comments.
| File | Description |
|---|---|
| tests/e2e/init.py | Package initialization for end-to-end tests |
| tests/e2e/test_mqtt_session.py | MQTT session tests with fake broker socket simulation, testing message publishing and receiving |
| tests/e2e/test_local_session.py | Local channel tests with mock transport connections, testing device connection handshake and command sending |
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This adds socket based tests for the new API so we can have tests that exercise the exact byte streams that are sent and received, similar to the old API. These currently are testing the lower level "session" and "channel" just to get the request infrastructure ready to be used in a real end to end device manaver tests. This violates our rule that tests align with a module, but this is an exception given its for end to end tests.
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Lash-L
approved these changes
Dec 17, 2025
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This adds socket based tests for the new API so we can have tests that exercise the exact byte streams that are sent and received, similar to the old API. These currently are testing the lower level "session" and "channel" just to get the request infrastructure ready to be used in a real end to end device manager tests (and will be extended to use #676).
This violates our rule that tests align with a module, but this is an exception given its for end to end tests. They are added to a separate module so that we don't always need to run them.