Marijn d94eeced8c Add unit tests for QuizSpreadsheetService ...

7 tests covering generateTemplate(), quizToXlsx(), and xlsxToQuiz():
- valid XLSX output and MIME type
- template without example reimports as empty
- template example data survives a reimport
- round-trip (export → reimport) preserves questions, answers, and correct flags
- empty quiz exports and reimports cleanly
- invalid MIME type throws InvalidArgumentException
- question with no answers throws SpreadsheetDataException with error list

2026-07-01 21:11:23 +02:00

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QuizSpreadsheetServiceTest.php

Add unit tests for QuizSpreadsheetService

2026-07-01 21:11:23 +02:00