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# Copyright 2023 The Bazel Authors. All rights reserved.
#
# 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.
"""Tests for py_test."""
load("@rules_testing//lib:analysis_test.bzl", "analysis_test")
load("@rules_testing//lib:util.bzl", rt_util = "util")
load("//python:defs.bzl", "py_test")
load(
"//tools/build_defs/python/tests:py_executable_base_tests.bzl",
"create_executable_tests",
)
load("//tools/build_defs/python/tests:util.bzl", pt_util = "util")
# Explicit Label() calls are required so that it resolves in @rules_python context instead of
# @rules_testing context.
_FAKE_CC_TOOLCHAIN = Label("//tests/cc:cc_toolchain_suite")
_FAKE_CC_TOOLCHAINS = [str(Label("//tests/cc:all"))]
_PLATFORM_MAC = Label("//tools/build_defs/python/tests:mac")
_PLATFORM_LINUX = Label("//tools/build_defs/python/tests:linux")
_tests = []
def _test_mac_requires_darwin_for_execution(name, config):
# Bazel 5.4 has a bug where every access of testing.ExecutionInfo is
# a different object that isn't equal to any other, which prevents
# rules_testing from detecting it properly and fails with an error.
# This is fixed in Bazel 6+.
if not pt_util.is_bazel_6_or_higher():
rt_util.skip_test(name = name)
return
rt_util.helper_target(
config.rule,
name = name + "_subject",
srcs = [name + "_subject.py"],
)
analysis_test(
name = name,
impl = _test_mac_requires_darwin_for_execution_impl,
target = name + "_subject",
config_settings = {
"//command_line_option:cpu": "darwin_x86_64",
"//command_line_option:crosstool_top": _FAKE_CC_TOOLCHAIN,
"//command_line_option:extra_toolchains": _FAKE_CC_TOOLCHAINS,
"//command_line_option:platforms": [_PLATFORM_MAC],
},
)
def _test_mac_requires_darwin_for_execution_impl(env, target):
env.expect.that_target(target).provider(
testing.ExecutionInfo,
).requirements().keys().contains("requires-darwin")
_tests.append(_test_mac_requires_darwin_for_execution)
def _test_non_mac_doesnt_require_darwin_for_execution(name, config):
# Bazel 5.4 has a bug where every access of testing.ExecutionInfo is
# a different object that isn't equal to any other, which prevents
# rules_testing from detecting it properly and fails with an error.
# This is fixed in Bazel 6+.
if not pt_util.is_bazel_6_or_higher():
rt_util.skip_test(name = name)
return
rt_util.helper_target(
config.rule,
name = name + "_subject",
srcs = [name + "_subject.py"],
)
analysis_test(
name = name,
impl = _test_non_mac_doesnt_require_darwin_for_execution_impl,
target = name + "_subject",
config_settings = {
"//command_line_option:cpu": "k8",
"//command_line_option:crosstool_top": _FAKE_CC_TOOLCHAIN,
"//command_line_option:extra_toolchains": _FAKE_CC_TOOLCHAINS,
"//command_line_option:platforms": [_PLATFORM_LINUX],
},
)
def _test_non_mac_doesnt_require_darwin_for_execution_impl(env, target):
# Non-mac builds don't have the provider at all.
if testing.ExecutionInfo not in target:
return
env.expect.that_target(target).provider(
testing.ExecutionInfo,
).requirements().keys().not_contains("requires-darwin")
_tests.append(_test_non_mac_doesnt_require_darwin_for_execution)
def py_test_test_suite(name):
config = struct(rule = py_test)
native.test_suite(
name = name,
tests = pt_util.create_tests(_tests, config = config) + create_executable_tests(config),
)
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