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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
from __future__ import absolute_import, print_function
import os
import sys
from mozbuild.backend.test_manifest import TestManifestBackend
from mozbuild.base import BuildEnvironmentNotFoundException, MozbuildObject
from mozbuild.frontend.emitter import TreeMetadataEmitter
from mozbuild.frontend.reader import BuildReader, EmptyConfig
import mozpack.path as mozpath
def gen_test_backend():
build_obj = MozbuildObject.from_environment()
config = build_obj.config_environment
except BuildEnvironmentNotFoundException:
# Create a stub config.status file, since the TestManifest backend needs
# to be re-created if configure runs. If the file doesn't exist,
# mozbuild continually thinks the TestManifest backend is out of date
# and tries to regenerate it.
if not os.path.isdir(build_obj.topobjdir):
config_status = mozpath.join(build_obj.topobjdir, "config.status")
open(config_status, "w").close()
print("No build detected, test metadata may be incomplete.")
# If 'JS_STANDALONE' is set, tests that don't require an objdir won't
# be picked up due to bug 1345209.
substs = EmptyConfig.default_substs
if "JS_STANDALONE" in substs:
del substs["JS_STANDALONE"]
config = EmptyConfig(build_obj.topsrcdir, substs)
config.topobjdir = build_obj.topobjdir
reader = BuildReader(config)
emitter = TreeMetadataEmitter(config)
backend = TestManifestBackend(config)
context = reader.read_topsrcdir()
data = emitter.emit(context, emitfn=emitter._process_test_manifests)
if __name__ == "__main__":