test(gpu): add e2e tests with fake NVML library#2421
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vimalk78 wants to merge 1 commit intosustainable-computing-io:mainfrom
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test(gpu): add e2e tests with fake NVML library#2421vimalk78 wants to merge 1 commit intosustainable-computing-io:mainfrom
vimalk78 wants to merge 1 commit intosustainable-computing-io:mainfrom
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Introduce a fake libnvidia-ml.so.1 (C shared library) that go-nvml
loads via dlopen, returning canned GPU data from a JSON config file.
This enables testing the full GPU metrics pipeline without real
NVIDIA hardware.
- fake_nvml.c: 44 NVML symbols, reads config from FAKE_NVML_CONFIG env
- cJSON vendored (MIT) for JSON parsing in C
- 7 test cases: discovery, power, idle, process attribution, multi-GPU,
energy consistency, graceful degradation
- Makefile test-e2e-gpu target
- Documentation in docs/developer/e2e-testing.md
Signed-off-by: Vimal Kumar <vimal78@gmail.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #2421 +/- ##
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Coverage 91.72% 91.72%
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Files 54 54
Lines 5270 5270
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Hits 4834 4834
Misses 316 316
Partials 120 120 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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@vimalk78 Will this help in case of k8s env as well? |
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Introduce a fake libnvidia-ml.so.1 (C shared library) that go-nvml
loads via dlopen, returning canned GPU data from a JSON config file.
This enables testing the full GPU metrics pipeline without real
NVIDIA hardware.