Add tests for config module and extract loadConfigFrom for testability#277
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Add unit tests for all exported functions in config.ts. To make the configuration loading logic easier to test, `loadConfig` was refactored by extracting the file-loading logic into a new `loadConfigFrom(configPath)` function. This allows tests to provide custom config file paths without mocking `getConfigPath`. Tests cover: - getConfigPath - loadConfig - loadConfigFrom - saveConfig - resolvePath - createConfig They verify config loading, default merging, treasury validation, path resolution, and config persistence behavior. The refactor does not change runtime behavior.
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Summary
This PR adds unit tests for the configuration module and introduces a small refactor to make the loading logic easier to test.
loadConfigwas split so the file parsing logic is handled by a new function:loadConfigFrom(configPath: string)This allows tests to provide custom config files directly without mocking
getConfigPath.Changes
config.tsloadConfigFromfromloadConfigsaveConfigresolvePathcreateConfigTest Isolation
To make the tests deterministic and independent of the runtime environment:
fs) are mocked.wallet.tswas added so thatgetAutomatonDir()can be controlled during tests.This allows the configuration logic to be tested without relying on the real user environment.
Notes
The refactor is purely structural and does not change runtime behavior.
Impact
Improves test coverage and makes the configuration logic easier to maintain and refactor safely.
Attribution
This contribution was generated with assistance from 3TG
3TG is a behavior-first test generation tool for TypeScript functions that creates clean, maintainable tests and improves developer productivity.