fix: cover all possible partitioning configurations with tests and fix a small bug

[cabljac]

No description provided.

[cabljac]

/gemini review

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request improves the reliability and correctness of the BigQuery export's partitioning configuration. It resolves a subtle bug in the buildPartitioningConfig function that could lead to improper validation when partitioning was explicitly turned off. Concurrently, the PR introduces a comprehensive set of new unit tests, ensuring that all valid and invalid combinations of partitioning settings are thoroughly tested, thereby enhancing the overall robustness of the partitioning logic and preventing future issues.

Highlights

• Bug Fix: Corrected a minor bug in the buildPartitioningConfig function where partition-specific fields were incorrectly validated when table partitioning was disabled.
• Enhanced Test Coverage: Significantly expanded the test suite for buildPartitioningConfig to cover all possible partitioning configurations, including no partitioning, ingestion-time partitioning, timestamp field partitioning, custom field partitioning, and various error conditions.

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[gemini-code-assist]

Code Review

The pull request refactors the buildPartitioningConfig function to improve the handling of partitioning configurations, especially when partitioning is disabled or when dealing with various sentinel values for optional fields. The associated test suite has been significantly expanded and reorganized to cover a wider range of scenarios, including no partitioning, ingestion-time partitioning, timestamp field partitioning, and custom field partitioning, along with more robust error case testing. The reviewer suggests refactoring repetitive test cases using Jest's test.each to enhance test suite conciseness and maintainability.

[gemini-code-assist]

Code Review

This pull request refactors the tests for buildPartitioningConfig by organizing them into logical describe blocks and expanding test coverage for different partitioning configurations, including no partitioning, ingestion-time, timestamp field, custom field, and error cases. It also includes a minor change to normalize partitioning field values earlier in the buildPartitioningConfig function for improved consistency. A suggestion was made to introduce a helper function in the tests to reduce repetition for cases asserting granularity: "NONE".

[cabljac]

/gemini review

[gemini-code-assist]

Code Review

This pull request refactors the buildPartitioningConfig function's test suite in firestore-bigquery-export/functions/__tests__/config.test.ts to enhance coverage and organization. It introduces new describe blocks for 'no partitioning', 'ingestion-time partitioning', 'timestamp field partitioning', 'custom field partitioning', and 'error cases', covering various scenarios for handling partitioning configurations, including sentinel values and error conditions. Concurrently, the config.ts file was updated by moving the if (!timePartitioning) check to ensure that optional partition field values are normalized before being evaluated, leading to more robust validation logic. There is no feedback to provide.