Comments (7)
With extension, a way to test all error when opening database, open transaction, etc ... will be useful too.
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Something like :
indexedDB.__simulate = QUOTA_EXCEEDED_ERROR
// unit test ...
indexedDB.__simulate = CLOSE_EVENT
// unit test ...
Not API breaker and help unit testing.
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Is the idea with __simulateQuotaExceeded = true
to have fakeindexeddb throw an exception on the real-world quota amount?
Seems to me like it would be more useful to set the quota amount for testing (indexedDB.__quota = 50; // mb, default Infinity
) or to have some way to manually throw the error (indexedDB.__throwQuotaExceeded()
).
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@Quelklef This would require fakeindexeddb to actually calculate how much "storage" it's using, which would be computationally expensive and inaccurate since it's all in-memory.
The problem with throwQuotaExceeded()
as a function is that, to truly simulate what a browser does, the error should be thrown during a readwrite
transaction (if the quota is exceeded after opening) or in the indexedDB.open
request (if the quota is already exceeded before even opening the database).
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@nolanlawson Okay, that all makes sense. What is the intended behaviour of indexedDB.__simulateQuotaExceeded = true;
, then? To throw on the next open request?
from fakeindexeddb.
That's what I was thinking – that way, you could test throwing both on open()
and on a readwrite transaction, by just setting that flag right before you do the transaction.
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Got it. IMO, it reads a little like setting a config option rather than setting up for imminent behaviour. Compare it to something like .__prepareExceedQuota()
or another name of the likes.
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Related Issues (20)
- FBDCursor broken in release/minimised build HOT 1
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