build/gen_test_backend.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 import sys
   6
   7 from mozbuild.backend.test_manifest import TestManifestBackend
   8 from mozbuild.base import BuildEnvironmentNotFoundException, MozbuildObject
   9 from mozbuild.frontend.emitter import TreeMetadataEmitter
  10 from mozbuild.frontend.reader import BuildReader, EmptyConfig
  11
  12
  13 def gen_test_backend():
  14     build_obj = MozbuildObject.from_environment()
  15     try:
  16         config = build_obj.config_environment
  17     except BuildEnvironmentNotFoundException:
  18         print("No build detected, test metadata may be incomplete.")
  19
  20         # If 'JS_STANDALONE' is set, tests that don't require an objdir won't
  21         # be picked up due to bug 1345209.
  22         substs = EmptyConfig.default_substs
  23         if 'JS_STANDALONE' in substs:
  24             del substs['JS_STANDALONE']
  25
  26         config = EmptyConfig(build_obj.topsrcdir, substs)
  27         config.topobjdir = build_obj.topobjdir
  28
  29     reader = BuildReader(config)
  30     emitter = TreeMetadataEmitter(config)
  31     backend = TestManifestBackend(config)
  32
  33     context = reader.read_topsrcdir()
  34     data = emitter.emit(context, emitfn=emitter._process_test_manifests)
  35     backend.consume(data)
  36
  37
  38 if __name__ == '__main__':
  39     sys.exit(gen_test_backend())