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// Copyright 2018 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.
package com.google.devtools.build.lib.rules.cpp;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for toolchain features. */
@RunWith(JUnit4.class)
public class CcHostToolchainAliasTest extends BuildViewTestCase {
@Test
public void testCcHostToolchainAliasRuleHasHostConfiguration() throws Exception {
scratch.file("a/BUILD", "cc_host_toolchain_alias(name='current_cc_host_toolchain')");
ConfiguredTarget target = getConfiguredTarget("//a:current_cc_host_toolchain");
CcToolchainProvider toolchainProvider = target.get(CcToolchainProvider.PROVIDER);
assertThat(toolchainProvider.isToolConfiguration()).isTrue();
}
@Test
public void testThatHostCrosstoolTopCommandLineArgumentWorks() throws Exception {
scratch.file(
"b/BUILD",
"load(':cc_toolchain_config.bzl', 'cc_toolchain_config')",
"cc_toolchain_suite(",
" name = 'my_custom_toolchain_suite',",
" toolchains = {",
" 'k8': '//b:toolchain_b',",
" 'k8|gcc-4.4.0': '//b:toolchain_b',",
" 'k8|compiler': '//b:toolchain_b',",
" 'x64_windows|windows_msys64': '//b:toolchain_b',",
" 'darwin|compiler': '//b:toolchain_b',",
"})",
"cc_toolchain(",
" name = 'toolchain_b',",
" toolchain_config = ':mock_config',",
" all_files = ':banana',",
" ar_files = ':empty',",
" as_files = ':empty',",
" compiler_files = ':empty',",
" dwp_files = ':empty',",
" linker_files = ':empty',",
" strip_files = ':empty',",
" objcopy_files = ':empty')",
"cc_toolchain_config(name='mock_config')");
scratch.file(
"b/cc_toolchain_config.bzl",
"def _impl(ctx):",
" return cc_common.create_cc_toolchain_config_info(",
" ctx = ctx,",
" toolchain_identifier = 'custom_toolchain',",
" host_system_name = 'mock-system-name-for-k8',",
" target_system_name = 'mock-target-system-name-for-k8',",
" target_cpu = 'k8',",
" target_libc = 'mock-libc-for-k8',",
" compiler = 'mock-compiler-for-k8',",
" abi_libc_version = 'mock-abi-libc-for-k8',",
" abi_version = 'mock-abi-version-for-k8')",
"cc_toolchain_config = rule(",
" implementation = _impl,",
" attrs = {},",
" provides = [CcToolchainConfigInfo],",
")");
scratch.file("a/BUILD", "cc_host_toolchain_alias(name='current_cc_host_toolchain')");
useConfiguration(
"--noincompatible_enable_cc_toolchain_resolution",
"--host_crosstool_top=//b:my_custom_toolchain_suite",
"--host_cpu=k8");
ConfiguredTarget target = getConfiguredTarget("//a:current_cc_host_toolchain");
CcToolchainProvider ccToolchainProvider = target.get(CcToolchainProvider.PROVIDER);
assertThat(ccToolchainProvider.getToolchainIdentifier()).isEqualTo("custom_toolchain");
}
}