test: improve unit test coverage for core modules#80

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veksen wants to merge 13 commits intomainfrom

veksen/improve-test-coverage

Commits on Mar 17, 2026

test: add tests for preprocessEncodedJson

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test: add tests for error classes serialization

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test: add tests for SchemaDiffer diff tracking

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test: add tests for sanitizePostgresUrl

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test: add tests for RecentQuery static helper methods

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test: add tests for fetchAnalyzerConfig

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test: add tests for DependencyAnalyzer edge cases

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test: add coverage for \r, \t preservation and edge cases in json

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test: strengthen SchemaDiffer assertions and fix Connectable usage

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test: add DependencyAnalyzer coverage for multi-level chains, dedup, maxRows, and error paths

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claude
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test: add RecentQuery constructor, withOptimization, and analyze coverage

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test: add config tests for partial response and lastSeenQueries handling

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fix: update errors tests for ExtensionNotInstalledError string[] API

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