Fix FinTS TIME formatting and coverage #28
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Pull request overview
This PR fixes a critical bug in FinTS TIME field formatting where months (MM) were incorrectly used instead of minutes (mm), causing the time format to be non-compliant with the FinTS 3.0 specification.
- Changed time format string from "HHMMss" to "HHmmss" to use minutes instead of months
- Added comprehensive unit tests to verify correct time formatting behavior
- Updated test mocks to align with the corrected format
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| packages/fints/src/format.ts | Fixed time format string from "HHMMss" to "HHmmss" and added explanatory comment referencing FinTS 3.0 specification |
| packages/fints/src/tests/test-pin-tan-client.ts | Updated mock implementations to use the corrected "HHmmss" format |
| packages/fints/src/tests/test-format.ts | Added new test file with test cases verifying hours, minutes, and seconds are formatted correctly |
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| beforeEach(() => { | ||
| jest.spyOn(Format, "date").mockImplementation((date) => (date ? format(date, "HHMMss") : "20180101")); | ||
| jest.spyOn(Format, "time").mockImplementation((time) => (time ? format(time, "HHMMss") : "120000")); | ||
| jest.spyOn(Format, "date").mockImplementation((date) => (date ? format(date, "HHmmss") : "20180101")); | ||
| jest.spyOn(Format, "time").mockImplementation((time) => (time ? format(time, "HHmmss") : "120000")); |
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Switching the Format.date/time spies to format(..., "HHmmss") means the generated request payloads now encode minutes instead of months, but the stored snapshot in packages/fints/src/__tests__/__snapshots__/test-pin-tan-client.ts.snap still expects month-based values such as ...+N+120100+121000++. Running the existing test-pin-tan-client snapshot test will therefore fail until the snapshot (or the spy formatting) is updated to match the new HHmmss output.
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Summary
Testing
Codex Task