Cosmos: Implement Binary Round-Trip Fuzzer - #4898

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Debdatta Kunda (kundadebdatta) wants to merge 26 commits into

mainfrom

users/kundadebdatta/4864_build_binary_round_trip_fuzzer

Commits on Jul 28, 2026

cosmos(driver): add RFC-style binary-encoding wire-format spec and a fuzzer implementation
kundadebdatta
committed
67b0ea0
test(cosmos): add corpus-shape samplers, size-scale knob, and reserved-field guard to round-trip fuzzer
kundadebdatta
committed
d30b22a

Commits on Jul 29, 2026

ci(cosmos): run binary-JSON codec fuzzing as a non-blocking Linux/nightly leg
kundadebdatta
committed
510aef0
ci(cosmos): trim weekly fuzz budget to fit the 90-min cap and rename the…
kundadebdatta
committed
eb13279
docs(cosmos): use absolute GitHub URLs for internal doc links
kundadebdatta
committed
7c4fd77
test(cosmos): expand binary-JSON golden vectors to cover all decodable markers
kundadebdatta
committed
5952688

Commits on Jul 30, 2026

fix(cosmos): gate account-metadata failover test on emulator category; make Build-stage fuzz a fast golden-vector check
kundadebdatta
committed
083f2c5
test(cosmos): move binary round-trip fuzzer into azure_data_cosmos so it runs in Live tests
kundadebdatta
committed
1223cb9
ci(cosmos): run the binary round-trip fuzzer on a live binary_encoding leg
kundadebdatta
committed
44a1623
ci(cosmos): gate the byte-level cargo-fuzz leg to the weekly pipeline
kundadebdatta
committed
b59f2fa
docs(cosmos): fix round-trip fuzzer link after move to azure_data_cosmos
kundadebdatta
committed
0b80524
ci(cosmos): give the two binary-fuzz legs distinct, meaningful job names
kundadebdatta
committed
b54e0c4
ci(cosmos): run golden-vector validation in the Build stage only, not Live Test
kundadebdatta
committed
a16c950
test(cosmos): raise default round-trip fuzzer SHAPE_RATIO to 85
kundadebdatta
committed
7475ab6
Cosmos: fix binary encoding round-trip test for large u64
kundadebdatta
committed
9e2eb33
test(cosmos): retry transient errors in round-trip fuzzer and pin it to ubuntu
kundadebdatta
committed
0fc8d22
test(cosmos): fuzz true u64/wide floats, fail-fast on bad seed, robust cargo-fuzz probe
kundadebdatta
committed
04c4620
Merge branch 'main' into users/kundadebdatta/4864_build_binary_round_trip_fuzzer
kundadebdatta
committed
cdcfeab
Merge branch 'main' into users/kundadebdatta/4864_build_binary_round_trip_fuzzer
Debdatta Kunda (kundadebdatta)
authored
6639ad8
test(cosmos): normalize i64 >= 2^53 as lossy double token in fuzzer oracle
kundadebdatta
committed
320b4b1
Merge branch 'main' into users/kundadebdatta/4864_build_binary_round_trip_fuzzer
Debdatta Kunda (kundadebdatta)
authored
c9d112a

Commits on Jul 31, 2026

test(cosmos): address Copilot PR review feedback on binary round-trip fuzzer
kundadebdatta
committed
69d76ad
test(cosmos): fix fuzzer harness reproducibility, ASCII-key filtering, and breadth clamp
kundadebdatta
committed
b265809
docs(cosmos): address remaining Copilot doc feedback on binary fuzzer/RFC
kundadebdatta
committed
ab51324
test(cosmos): use non-dictionary non-ASCII strings in unicode-off test (cspell)
kundadebdatta
committed
42bb226
test(cosmos): harden binary round-trip fuzzer oracle and retry semantics
kundadebdatta
committed
9d3261d