add observability to checkmate test

[santicomp2014]

This pull request enhances the monitoring and observability of the Checkmate health check in the StatusView by adding structured logging, Sentry tracing, and breadcrumbs for both success and failure scenarios. It also introduces comprehensive tests to verify these behaviors.

Observability and error reporting improvements:

• Added detailed logging for Checkmate health check successes and failures using the logging module, including error details and stack traces. [1] [2]
• Integrated Sentry tracing by wrapping the Checkmate check in a Sentry span, setting appropriate status and error metadata, and capturing exceptions. Also added Sentry breadcrumbs on failure for better error context. [1] [2]

Code organization:

• Refactored the Checkmate health check logic into a dedicated _check_checkmate method for clarity and maintainability.

Testing improvements:

• Added new unit tests to verify logging, Sentry span creation, Sentry exception capturing, and breadcrumb addition for both success and failure cases in the Checkmate health check.
• Introduced fixtures to mock Sentry SDK methods in tests, ensuring isolation and accurate assertions.

[Copilot]

Pull request overview

This pull request enhances observability for the Checkmate health check in the StatusView by adding structured logging, Sentry tracing, and comprehensive test coverage for these new behaviors. The changes focus on improving error reporting and diagnostics when interacting with the Checkmate service.

Changes:

• Refactored Checkmate health check logic into a dedicated _check_checkmate method with Sentry span tracing
• Added structured logging for both success and failure scenarios with detailed exception information
• Enhanced test coverage with new tests for logging behavior, Sentry span creation, breadcrumb addition, and exception capturing

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
viahtml/views/status.py	Refactored checkmate health check into separate method with logging and Sentry instrumentation
tests/unit/viahtml/views/status_test.py	Added comprehensive tests for logging and Sentry observability features

Comments suppressed due to low confidence (1)

tests/unit/viahtml/views/status_test.py:2

• The MagicMock import is unused and should be removed. The tests only use create_autospec from unittest.mock.

from unittest.mock import MagicMock, create_autospec

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