bazel - Machine learning model test -


i have java unit test use machine learning model file, call model.bin, being built simple text file external tool (call model-builder, built through c++ rule). while make sense define genrule, doesn't support deps (model.bin & model-builder in case). see 2 options:

  • make test code build model.bin file. conceptually, not want test test (i want test reading prebuild model).
  • implement custom extension rule executes ./model-builder --in my-input.txt --outmodel.bin`.

what best-practise in bazel?

from description believe genrule best route. though genrule have deps sounds model.bin generated file , make sense out. model-builder looks tool generate file , make sense genrule tool.

something build file should work.

genrule(   name = "model-bin",   srcs = ["//path/to:my-input.txt"],   outs = ["model.bin"],   tools = ["//path/to:model-builder"],   cmd = "$(location //path/to:model-builder) --in $< --out $@" )

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