chore: Basic UnixFS sanity checks

[PsychoPunkSage]

Changes:

• Basic Sanity checks for UnixFS nodes. <Raw data and dag-pb>
• Added no-validate flag to cmd.options

Closes #10331

[lidel]

triage note:

• thank you, this is useful, but needs regression test
• @PsychoPunkSage mind adding a test that confirms error occurs when someone tries to copy dag-cbor to MFS? (e.g. empty dag-cbor: bafyreigbtj4x7ip5legnfznufuopl4sg4knzc2cof6duas4b3q2fy6swua)

[gammazero]

See suggested changes and get CI passing first.

[PsychoPunkSage]

Hi @lidel I wrote a test and it is failing ig... currently solving it... Can give some suggestions which might help me

=== RUN   TestFilesCp_DagCborNodeFails
    /home/psychopunk_sage/dev/OpenSource/kubo/core/commands/file_test.go:55: expected error but got nil
--- FAIL: TestFilesCp_DagCborNodeFails (0.01s)
FAIL
FAIL    github.com/ipfs/kubo/core/commands      0.051s

@gammazero Made required changes....

[gammazero]

The test is failing because the type assertion for dag.RawNode succeeds, here.

To test your code, the test needs to create something that is not a dag.RawNode and is also not a dag.ProtoNode or is a dag.ProtoNode that fails when calling FSNodeFromBytes on node.(*dag.ProtoNode).Data()

[PsychoPunkSage]

Hi @gammazero
Thank you for help....

The Test is passing
Output

=== RUN   TestFilesCp_DagCborNodeFails
--- PASS: TestFilesCp_DagCborNodeFails (0.00s)
PASS
ok      github.com/ipfs/kubo/core/commands      0.029s

[gammazero]

@PsychoPunkSage I made 3 additional minor changes. See my 3 commits above.

[gammazero]

LGTM

[PsychoPunkSage]

Hi @gammazero
I have gone through the changes... Thanks
GTG

[PsychoPunkSage]

hi @lidel I think is PR is ready to be merged.
Please have a look at it