[Libguestfs] [PATCH nbdkit] s3: Only run the tests if boto3 is installed

[Nikolaus Rath]

On May 17 2022, Laszlo Ersek <lersek at redhat.com> wrote:
> I think so, yes: from your description, "test-S3-unit.sh" seems "less
> demanding" than "test-S3.sh", so if the mocked module satisfies the
> latter, it should be good enough for the former too.

Not quite. test-S3-unit.sh exercises the write path and the
multiple-object support (but without nbdkit). test-S3.sh tests reading
one single object (through nbdkit).

I think ideally both tests should be done once in pure Python and once
through nbdkit. I didn't do it that way because at first I didn't see
any existing test coverage at all, and thus started from scratch.

Best,
-Nikolaus

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