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# Copyright (C) 2022 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""cc_test macro for building native tests with Bazel."""
load("//build/bazel/rules/cc:cc_library_common.bzl", "CcAndroidMkInfo")
load("//build/bazel/rules/cc:stripped_cc_common.bzl", "CcUnstrippedInfo", "StrippedCcBinaryInfo")
load("//build/bazel/rules/tradefed:tradefed.bzl", "tradefed_host_driven_test")
load(":cc_binary.bzl", "cc_binary")
# TODO(b/244559183): Keep this in sync with cc/test.go#linkerFlags
_gtest_copts = select({
"//build/bazel/platforms/os:linux_glibc": ["-DGTEST_OS_LINUX"],
"//build/bazel/platforms/os:darwin": ["-DGTEST_OS_MAC"],
"//build/bazel/platforms/os:windows": ["-DGTEST_OS_WINDOWS"],
"//conditions:default": ["-DGTEST_OS_LINUX_ANDROID"],
}) + select({
"//build/bazel/platforms/os:android": [],
"//conditions:default": ["-O0", "-g"], # here, default == host platform
}) + [
"-DGTEST_HAS_STD_STRING",
"-Wno-unused-result", # TODO(b/244433518): Figure out why this is necessary in the bazel compile action.
]
_gtest_deps = [
"//external/googletest/googletest:libgtest_main",
"//external/googletest/googletest:libgtest",
]
_pass_through_providers = [
CcInfo,
InstrumentedFilesInfo,
DebugPackageInfo,
OutputGroupInfo,
StrippedCcBinaryInfo,
CcUnstrippedInfo,
CcAndroidMkInfo,
]
def cc_test(
name,
copts = [],
deps = [],
dynamic_deps = [],
gtest = True,
isolated = True, # TODO(b/244432609): currently no-op.
tags = [],
tidy = None,
tidy_checks = None,
tidy_checks_as_errors = None,
tidy_flags = None,
tidy_disabled_srcs = None,
tidy_timeout_srcs = None,
test_config = None,
template_test_config = None,
template_configs = [],
template_install_base = None,
**kwargs):
# NOTE: Keep this in sync with cc/test.go#linkerDeps
if gtest:
# TODO(b/244433197): handle ctx.useSdk() && ctx.Device() case to link against the ndk variants of the gtest libs.
# TODO(b/244432609): handle isolated = True to link against libgtest_isolated_main and liblog (dynamically)
deps = deps + _gtest_deps
copts = copts + _gtest_copts
# A cc_test is essentially the same as a cc_binary. Let's reuse the
# implementation for now and factor the common bits out as necessary.
test_binary_name = name + "__test_binary"
cc_binary(
name = test_binary_name,
copts = copts,
deps = deps,
dynamic_deps = dynamic_deps,
generate_cc_test = True,
tidy = tidy,
tidy_checks = tidy_checks,
tidy_checks_as_errors = tidy_checks_as_errors,
tidy_flags = tidy_flags,
tidy_disabled_srcs = tidy_disabled_srcs,
tidy_timeout_srcs = tidy_timeout_srcs,
tags = tags + ["manual"],
**kwargs
)
# Host only test with no tradefed.
# Compatability is left out for now so as not to break mix build.
# which breaks when modules are skipped with --config=android
without_tradefed_test_name = name + "__without_tradefed_test"
cc_runner_test(
name = without_tradefed_test_name,
binary = test_binary_name,
test = test_binary_name,
tags = ["manual"],
)
# Tradefed host driven test
tradefed_host_driven_test_name = name + "__tradefed_host_driven_test"
if not test_config and not template_test_config:
template_test_config = select({
"//build/bazel/rules/tradefed:android_host_driven_tradefed_test": "//build/make/core:native_test_config_template.xml",
"//build/bazel/rules/tradefed:linux_host_driven_tradefed_test": "//build/make/core:native_host_test_config_template.xml",
})
tradefed_host_driven_test(
name = tradefed_host_driven_test_name,
test_identifier = name,
test = test_binary_name,
test_config = test_config,
template_test_config = template_test_config,
template_configs = template_configs,
template_install_base = template_install_base,
tags = ["manual"],
)
# TODO(b/264792912) update to use proper config/tags to determine which test to run.
cc_runner_test(
name = name,
binary = test_binary_name,
test = select({
"//build/bazel/rules/tradefed:android_host_driven_tradefed_test": tradefed_host_driven_test_name,
"//build/bazel/rules/tradefed:linux_host_driven_tradefed_test": tradefed_host_driven_test_name,
"//conditions:default": without_tradefed_test_name,
}),
)
def _cc_runner_test_impl(ctx):
executable = ctx.actions.declare_file(ctx.attr.name + "__cc_runner_test")
ctx.actions.symlink(
output = executable,
target_file = ctx.attr.test.files_to_run.executable,
)
# Gather runfiles.
runfiles = ctx.runfiles()
runfiles = runfiles.merge_all([
ctx.attr.binary.default_runfiles,
ctx.attr.test.default_runfiles,
])
# Propagate providers of the included binary
# Those providers are used to populate attributes of the mixed build.
providers = collect_providers(ctx.attr.binary, _pass_through_providers)
return [DefaultInfo(
executable = executable,
runfiles = runfiles,
)] + providers
cc_runner_test = rule(
doc = "A wrapper rule used to run a test and also propagates providers",
attrs = {
"binary": attr.label(
doc = "Binary that providers should be propagated to next rule // mix build.",
),
"test": attr.label(
doc = "Test to run.",
),
},
test = True,
implementation = _cc_runner_test_impl,
toolchains = ["@bazel_tools//tools/cpp:toolchain_type"],
)
def collect_providers(dep, provider_types):
"""Returns list of providers from dependency that match the provider types"""
providers = []
for provider in provider_types:
if provider in dep:
providers.append(dep[provider])
return providers
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