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// Copyright 2016 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;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.TemplateVariableInfo;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.analysis.util.ScratchAttributeWriter;
import com.google.devtools.build.lib.rules.cpp.CppCompileAction;
import com.google.devtools.build.lib.testutil.TestConstants;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for the {@code toolchain_type} rule. */
@RunWith(JUnit4.class)
public class ToolchainTypeTest extends BuildViewTestCase {
@Test
public void testSmoke() throws Exception {
ConfiguredTarget cc =
getConfiguredTarget(TestConstants.TOOLS_REPOSITORY + "//tools/cpp:toolchain_type");
assertThat(cc.get(TemplateVariableInfo.PROVIDER).getVariables()).containsKey("CC_FLAGS");
}
@Test
public void testCcToolchainDoesNotProvideJavaMakeVariables() throws Exception {
ConfiguredTarget cc =
getConfiguredTarget(TestConstants.TOOLS_REPOSITORY + "//tools/cpp:toolchain_type");
assertThat(cc.get(TemplateVariableInfo.PROVIDER).getVariables()).doesNotContainKey("JAVABASE");
}
@Test
public void testCcTargetsDependOnCcToolchainAutomatically() throws Exception {
scratch.file(
"a/BUILD",
"filegroup(",
" name='empty')",
"package(default_visibility=['//visibility:public'])",
"constraint_setting(name = 'mock_setting')",
"constraint_value(name = 'mock_value', constraint_setting = ':mock_setting')",
"platform(",
" name = 'mock-platform',",
" constraint_values = [':mock_value'],",
")",
"cc_toolchain(",
" name = 'b',",
" cpu = 'banana',",
" all_files = ':empty',",
" ar_files = ':empty',",
" as_files = ':empty',",
" compiler_files = ':empty',",
" dwp_files = ':empty',",
" linker_files = ':empty',",
" strip_files = ':empty',",
" objcopy_files = ':empty',",
" dynamic_runtime_libs = [':empty'],",
" static_runtime_libs = [':empty'],",
" proto='''",
" toolchain_identifier: 'banana'",
" abi_version: 'banana'",
" abi_libc_version: 'banana'",
" compiler: 'banana'",
" host_system_name: 'banana'",
" target_system_name: 'banana'",
" target_cpu: 'banana'",
" target_libc: 'banana'",
" ''')",
"toolchain(",
" name = 'toolchain_b',",
" toolchain_type = '" + TestConstants.TOOLS_REPOSITORY + "//tools/cpp:toolchain_type',",
" toolchain = ':b',",
" target_compatible_with = [':mock_value'],",
")");
useConfiguration(
"--enabled_toolchain_types="
+ TestConstants.TOOLS_REPOSITORY
+ "//tools/cpp:toolchain_type",
"--experimental_platforms=//a:mock-platform",
"--extra_toolchains=//a:toolchain_b",
"--make_variables_source=toolchain");
// for cc_library, cc_binary, and cc_test, we check that $(TARGET_CPU) is a valid Make variable
ConfiguredTarget cclibrary =
ScratchAttributeWriter.fromLabelString(this, "cc_library", "//cclib")
.setList("srcs", "a.cc")
.setList("copts", "foobar-$(ABI)")
.write();
CppCompileAction compileAction =
(CppCompileAction) getGeneratingAction(getBinArtifact("_objs/cclib/cclib/a.o", cclibrary));
assertThat(compileAction.getArguments()).contains("foobar-banana");
ConfiguredTarget ccbinary =
ScratchAttributeWriter.fromLabelString(this, "cc_binary", "//ccbin")
.setList("srcs", "a.cc")
.setList("copts", "foobar-$(ABI)")
.write();
compileAction =
(CppCompileAction) getGeneratingAction(getBinArtifact("_objs/ccbin/ccbin/a.o", ccbinary));
assertThat(compileAction.getArguments()).contains("foobar-banana");
ConfiguredTarget cctest =
ScratchAttributeWriter.fromLabelString(this, "cc_test", "//cctest")
.setList("srcs", "a.cc")
.setList("copts", "foobar-$(ABI)")
.write();
compileAction =
(CppCompileAction) getGeneratingAction(getBinArtifact("_objs/cctest/cctest/a.o", cctest));
assertThat(compileAction.getArguments()).contains("foobar-banana");
}
}
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