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SkylarkCcCommonTest.java
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SkylarkCcCommonTest.java
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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 static com.google.devtools.build.lib.testutil.MoreAsserts.assertThrows;
import static org.junit.Assert.fail;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.util.AnalysisMock;
import com.google.devtools.build.lib.analysis.util.AnalysisTestUtil;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.SkylarkInfo;
import com.google.devtools.build.lib.packages.SkylarkProvider;
import com.google.devtools.build.lib.packages.StructImpl;
import com.google.devtools.build.lib.packages.util.Crosstool.CcToolchainConfig;
import com.google.devtools.build.lib.packages.util.ResourceLoader;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.ActionConfig;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.ArtifactNamePattern;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.EnvEntry;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.EnvSet;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.Feature;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FeatureConfiguration;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.Flag.SingleChunkFlag;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FlagGroup;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FlagSet;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.Tool;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.VariableWithValue;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.WithFeatureSet;
import com.google.devtools.build.lib.rules.cpp.CcToolchainVariables.StringValueParser;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.EvalUtils;
import com.google.devtools.build.lib.syntax.SkylarkDict;
import com.google.devtools.build.lib.syntax.SkylarkList;
import com.google.devtools.build.lib.syntax.SkylarkNestedSet;
import com.google.devtools.build.lib.testutil.Scratch;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.util.Pair;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.CToolchain;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.MakeVariable;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.ToolPath;
import com.google.protobuf.TextFormat;
import java.io.IOException;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for the {@code cc_common} Skylark module. */
@RunWith(JUnit4.class)
public class SkylarkCcCommonTest extends BuildViewTestCase {
@Before
public void setSkylarkSemanticsOptions() throws Exception {
setSkylarkSemanticsOptions(SkylarkCcCommonTestHelper.CC_SKYLARK_WHITELIST_FLAG);
invalidatePackages();
scratch.file("myinfo/myinfo.bzl", "MyInfo = provider()");
scratch.file("myinfo/BUILD");
}
private StructImpl getMyInfoFromTarget(ConfiguredTarget configuredTarget) throws Exception {
Provider.Key key =
new SkylarkProvider.SkylarkKey(
Label.parseAbsolute("//myinfo:myinfo.bzl", ImmutableMap.of()), "MyInfo");
return (StructImpl) configuredTarget.get(key);
}
@Test
public void testAllFiles() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" return [MyInfo(all_files = toolchain.all_files)]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
SkylarkNestedSet allFiles = (SkylarkNestedSet) getMyInfoFromTarget(r).getValue("all_files");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(
ruleContext, ruleContext.getPrerequisite("$cc_toolchain", Mode.TARGET));
assertThat(allFiles.getSet(Artifact.class)).isEqualTo(toolchain.getAllFiles());
}
@Test
public void testRuntimeLib() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"CruleInfo = provider(fields=['static', 'dynamic'])",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" ctx = ctx,",
" cc_toolchain = toolchain,",
" )",
" return [CruleInfo(",
" static = toolchain.static_runtime_lib(feature_configuration = feature_configuration),",
" dynamic = toolchain.dynamic_runtime_lib(",
" feature_configuration = feature_configuration),",
" )]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
// 1. Build without static_link_cpp_runtimes
ConfiguredTarget r = getConfiguredTarget("//a:r");
Provider.Key key =
new SkylarkProvider.SkylarkKey(
Label.create(r.getLabel().getPackageIdentifier(), "rule.bzl"), "CruleInfo");
SkylarkInfo cruleInfo = (SkylarkInfo) r.get(key);
@SuppressWarnings("unchecked")
SkylarkNestedSet staticRuntimeLib = (SkylarkNestedSet) cruleInfo.getValue("static");
SkylarkNestedSet dynamicRuntimeLib = (SkylarkNestedSet) cruleInfo.getValue("dynamic");
assertThat(staticRuntimeLib.getSet(Artifact.class).toList()).isEmpty();
assertThat(dynamicRuntimeLib.getSet(Artifact.class).toList()).isEmpty();
// 2. Build with static_link_cpp_runtimes
getAnalysisMock()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder().withFeatures(CppRuleClasses.STATIC_LINK_CPP_RUNTIMES));
invalidatePackages();
r = getConfiguredTarget("//a:r");
cruleInfo = (SkylarkInfo) r.get(key);
staticRuntimeLib = (SkylarkNestedSet) cruleInfo.getValue("static");
dynamicRuntimeLib = (SkylarkNestedSet) cruleInfo.getValue("dynamic");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(
ruleContext, ruleContext.getPrerequisite("$cc_toolchain", Mode.TARGET));
assertThat(staticRuntimeLib.getSet(Artifact.class))
.isEqualTo(toolchain.getStaticRuntimeLibForTesting());
assertThat(dynamicRuntimeLib.getSet(Artifact.class))
.isEqualTo(toolchain.getDynamicRuntimeLibForTesting());
}
@Test
public void testGetToolForAction() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" action_tool_path = cc_common.get_tool_for_action(",
" feature_configuration = feature_configuration,",
" action_name = 'c++-compile'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
String actionToolPath = (String) getMyInfoFromTarget(r).getValue("action_tool_path");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(
ruleContext, ruleContext.getPrerequisite("$cc_toolchain", Mode.TARGET));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
toolchain,
ruleContext.getFragment(CppConfiguration.class));
assertThat(actionToolPath)
.isEqualTo(featureConfiguration.getToolPathForAction(CppActionNames.CPP_COMPILE));
}
@Test
public void testFeatureConfigurationWithAdditionalEnabledFeature() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withFeatures("foo_feature"));
useConfiguration();
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" cc_toolchain = toolchain,",
" requested_features = ['foo_feature'])",
" return [MyInfo(",
" foo_feature_enabled = cc_common.is_enabled(",
" feature_configuration = feature_configuration,",
" feature_name = 'foo_feature'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
boolean fooFeatureEnabled = (boolean) getMyInfoFromTarget(r).getValue("foo_feature_enabled");
assertThat(fooFeatureEnabled).isTrue();
}
@Test
public void testFeatureConfigurationWithAdditionalUnsupportedFeature() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withFeatures("foo_feature"));
useConfiguration("--features=foo_feature");
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" cc_toolchain = toolchain,",
" unsupported_features = ['foo_feature'])",
" return [MyInfo(",
" foo_feature_enabled = cc_common.is_enabled(",
" feature_configuration = feature_configuration,",
" feature_name = 'foo_feature'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
boolean fooFeatureEnabled = (boolean) getMyInfoFromTarget(r).getValue("foo_feature_enabled");
assertThat(fooFeatureEnabled).isFalse();
}
@Test
public void testGetCommandLine() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" command_line = cc_common.get_memory_inefficient_command_line(",
" feature_configuration = feature_configuration,",
" action_name = 'c++-link-executable',",
" variables = cc_common.empty_variables()))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
SkylarkList<String> commandLine =
(SkylarkList<String>) getMyInfoFromTarget(r).getValue("command_line");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(
ruleContext, ruleContext.getPrerequisite("$cc_toolchain", Mode.TARGET));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
toolchain,
ruleContext.getFragment(CppConfiguration.class));
assertThat(commandLine)
.containsExactlyElementsIn(
featureConfiguration.getCommandLine("c++-link-executable", CcToolchainVariables.EMPTY));
}
@Test
public void testGetEnvironment() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" environment_variables = cc_common.get_environment_variables(",
" feature_configuration = feature_configuration,",
" action_name = 'c++-compile',",
" variables = cc_common.empty_variables()))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
SkylarkDict<String, String> environmentVariables =
(SkylarkDict<String, String>) getMyInfoFromTarget(r).getValue("environment_variables");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(
ruleContext, ruleContext.getPrerequisite("$cc_toolchain", Mode.TARGET));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
toolchain,
ruleContext.getFragment(CppConfiguration.class));
assertThat(environmentVariables)
.containsExactlyEntriesIn(
featureConfiguration.getEnvironmentVariables(
CppActionNames.CPP_COMPILE, CcToolchainVariables.EMPTY));
}
@Test
public void testActionIsEnabled() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" enabled_action = cc_common.action_is_enabled(",
" feature_configuration = feature_configuration,",
" action_name = 'c-compile'),",
" disabled_action = cc_common.action_is_enabled(",
" feature_configuration = feature_configuration,",
" action_name = 'wololoo'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
StructImpl myInfo = getMyInfoFromTarget(getConfiguredTarget("//a:r"));
@SuppressWarnings("unchecked")
boolean enabledActionIsEnabled = (boolean) myInfo.getValue("enabled_action");
@SuppressWarnings("unchecked")
boolean disabledActionIsDisabled = (boolean) myInfo.getValue("disabled_action");
assertThat(enabledActionIsEnabled).isTrue();
assertThat(disabledActionIsDisabled).isFalse();
}
@Test
public void testIsEnabled() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" enabled_feature = cc_common.is_enabled(",
" feature_configuration = feature_configuration,",
" feature_name = 'libraries_to_link'),",
" disabled_feature = cc_common.is_enabled(",
" feature_configuration = feature_configuration,",
" feature_name = 'wololoo'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
StructImpl myInfo = getMyInfoFromTarget(getConfiguredTarget("//a:r"));
@SuppressWarnings("unchecked")
boolean enabledFeatureIsEnabled = (boolean) myInfo.getValue("enabled_feature");
@SuppressWarnings("unchecked")
boolean disabledFeatureIsDisabled = (boolean) myInfo.getValue("disabled_feature");
assertThat(enabledFeatureIsEnabled).isTrue();
assertThat(disabledFeatureIsDisabled).isFalse();
}
@Test
public void testFeatureConfigurationRequiresCtx() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
useConfiguration("--incompatible_require_ctx_in_configure_features");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//a:r");
assertContainsEvent("mandatory parameter 'ctx' of cc_common.configure_features is missing");
}
@Test
public void testActionNames() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.overwriteFile("tools/build_defs/cc/BUILD");
scratch.overwriteFile(
"tools/build_defs/cc/action_names.bzl",
ResourceLoader.readFromResources(
TestConstants.BAZEL_REPO_PATH + "tools/build_defs/cc/action_names.bzl"));
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"load('//tools/build_defs/cc:action_names.bzl',",
" 'C_COMPILE_ACTION_NAME',",
" 'CPP_COMPILE_ACTION_NAME',",
" 'LINKSTAMP_COMPILE_ACTION_NAME',",
" 'CC_FLAGS_MAKE_VARIABLE_ACTION_NAME',",
" 'CPP_MODULE_CODEGEN_ACTION_NAME',",
" 'CPP_HEADER_PARSING_ACTION_NAME',",
" 'CPP_MODULE_COMPILE_ACTION_NAME',",
" 'ASSEMBLE_ACTION_NAME',",
" 'PREPROCESS_ASSEMBLE_ACTION_NAME',",
" 'LTO_INDEXING_ACTION_NAME',",
" 'LTO_BACKEND_ACTION_NAME',",
" 'CPP_LINK_EXECUTABLE_ACTION_NAME',",
" 'CPP_LINK_DYNAMIC_LIBRARY_ACTION_NAME',",
" 'CPP_LINK_NODEPS_DYNAMIC_LIBRARY_ACTION_NAME',",
" 'CPP_LINK_STATIC_LIBRARY_ACTION_NAME',",
" 'STRIP_ACTION_NAME')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" return [MyInfo(",
" c_compile_action_name=C_COMPILE_ACTION_NAME,",
" cpp_compile_action_name=CPP_COMPILE_ACTION_NAME,",
" linkstamp_compile_action_name=LINKSTAMP_COMPILE_ACTION_NAME,",
" cc_flags_make_variable_action_name_action_name=CC_FLAGS_MAKE_VARIABLE_ACTION_NAME,",
" cpp_module_codegen_action_name=CPP_MODULE_CODEGEN_ACTION_NAME,",
" cpp_header_parsing_action_name=CPP_HEADER_PARSING_ACTION_NAME,",
" cpp_module_compile_action_name=CPP_MODULE_COMPILE_ACTION_NAME,",
" assemble_action_name=ASSEMBLE_ACTION_NAME,",
" preprocess_assemble_action_name=PREPROCESS_ASSEMBLE_ACTION_NAME,",
" lto_indexing_action_name=LTO_INDEXING_ACTION_NAME,",
" lto_backend_action_name=LTO_BACKEND_ACTION_NAME,",
" cpp_link_executable_action_name=CPP_LINK_EXECUTABLE_ACTION_NAME,",
" cpp_link_dynamic_library_action_name=CPP_LINK_DYNAMIC_LIBRARY_ACTION_NAME,",
" "
+ " cpp_link_nodeps_dynamic_library_action_name=CPP_LINK_NODEPS_DYNAMIC_LIBRARY_ACTION_NAME,",
" cpp_link_static_library_action_name=CPP_LINK_STATIC_LIBRARY_ACTION_NAME,",
" strip_action_name=STRIP_ACTION_NAME)]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
")");
assertThat(getTarget("//a:r")).isNotNull();
StructImpl myInfo = getMyInfoFromTarget(getConfiguredTarget("//a:r"));
assertThat(myInfo.getValue("c_compile_action_name")).isEqualTo(CppActionNames.C_COMPILE);
assertThat(myInfo.getValue("cpp_compile_action_name")).isEqualTo(CppActionNames.CPP_COMPILE);
assertThat(myInfo.getValue("linkstamp_compile_action_name"))
.isEqualTo(CppActionNames.LINKSTAMP_COMPILE);
assertThat(myInfo.getValue("cc_flags_make_variable_action_name_action_name"))
.isEqualTo(CppActionNames.CC_FLAGS_MAKE_VARIABLE);
assertThat(myInfo.getValue("cpp_module_codegen_action_name"))
.isEqualTo(CppActionNames.CPP_MODULE_CODEGEN);
assertThat(myInfo.getValue("cpp_header_parsing_action_name"))
.isEqualTo(CppActionNames.CPP_HEADER_PARSING);
assertThat(myInfo.getValue("cpp_module_compile_action_name"))
.isEqualTo(CppActionNames.CPP_MODULE_COMPILE);
assertThat(myInfo.getValue("assemble_action_name")).isEqualTo(CppActionNames.ASSEMBLE);
assertThat(myInfo.getValue("preprocess_assemble_action_name"))
.isEqualTo(CppActionNames.PREPROCESS_ASSEMBLE);
assertThat(myInfo.getValue("lto_indexing_action_name")).isEqualTo(CppActionNames.LTO_INDEXING);
assertThat(myInfo.getValue("lto_backend_action_name")).isEqualTo(CppActionNames.LTO_BACKEND);
assertThat(myInfo.getValue("cpp_link_executable_action_name"))
.isEqualTo(CppActionNames.CPP_LINK_EXECUTABLE);
assertThat(myInfo.getValue("cpp_link_dynamic_library_action_name"))
.isEqualTo(CppActionNames.CPP_LINK_DYNAMIC_LIBRARY);
assertThat(myInfo.getValue("cpp_link_nodeps_dynamic_library_action_name"))
.isEqualTo(CppActionNames.CPP_LINK_NODEPS_DYNAMIC_LIBRARY);
assertThat(myInfo.getValue("cpp_link_static_library_action_name"))
.isEqualTo(CppActionNames.CPP_LINK_STATIC_LIBRARY);
assertThat(myInfo.getValue("strip_action_name")).isEqualTo(CppActionNames.STRIP);
}
@Test
public void testCompileBuildVariablesWithSourceFile() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"source_file = 'foo/bar/hello'",
")"))
.containsAtLeast("-c", "foo/bar/hello")
.inOrder();
}
@Test
public void testCompileBuildVariablesWithOutputFile() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"output_file = 'foo/bar/hello.o'",
")"))
.containsAtLeast("-o", "foo/bar/hello.o")
.inOrder();
}
@Test
public void testCompileBuildVariablesForIncludes() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"include_directories = depset(['foo/bar/include'])",
")"))
.contains("-Ifoo/bar/include");
}
@Test
public void testCompileBuildVariablesForDefines() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"preprocessor_defines = depset(['DEBUG_FOO'])",
")"))
.contains("-DDEBUG_FOO");
}
@Test
public void testCompileBuildVariablesForPic() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder()
.withFeatures(CppRuleClasses.SUPPORTS_PIC, CppRuleClasses.PIC));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"use_pic = True",
")"))
.contains("-fPIC");
}
@Test
public void testUserCompileFlags() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"user_compile_flags = ['-foo']",
")"))
.contains("-foo");
}
@Test
public void testEmptyLinkVariables() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"user_link_flags = [ '-foo' ],",
")"))
.contains("-foo");
}
@Test
public void testEmptyLinkVariablesContainSysroot() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withSysroot("/foo/bar/sysroot"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
")"))
.contains("--sysroot=/foo/bar/sysroot");
}
@Test
public void testLibrarySearchDirectoriesLinkVariables() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder().withFeatures("library_search_directories"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"library_search_directories = depset([ 'a', 'b', 'c' ]),",
")"))
.containsAtLeast("--library=a", "--library=b", "--library=c")
.inOrder();
}
@Test
public void testRuntimeLibrarySearchDirectoriesLinkVariables() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder().withFeatures("runtime_library_search_directories"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"runtime_library_search_directories = depset([ 'a', 'b', 'c' ]),",
")"))
.containsAtLeast("--runtime_library=a", "--runtime_library=b", "--runtime_library=c")
.inOrder();
}
@Test
public void testUserLinkFlagsLinkVariables() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"user_link_flags = [ '-avocado' ],",
")"))
.contains("-avocado");
}
@Test
public void testIfsoRelatedVariablesAreNotExposed() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withFeatures("uses_ifso_variables"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_DYNAMIC_LIBRARY,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
")"))
.doesNotContain("--generate_interface_library_was_available");
}
@Test
public void testOutputFileLinkVariables() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"output_file = 'foo/bar/executable',",
")"))
.contains("foo/bar/executable");
}
@Test
public void testParamFileLinkVariables() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder().withFeatures(CppRuleClasses.DO_NOT_SPLIT_LINKING_CMDLINE));
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"param_file = 'foo/bar/params',",
")"))
.contains("@foo/bar/params");
}
@Test
public void testDefFileLinkVariables() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(mockToolsConfig, CcToolchainConfig.builder().withFeatures("def"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"def_file = 'foo/bar/def',",
")"))
.contains("-qux_foo/bar/def");
}
@Test
public void testMustKeepDebugLinkVariables() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withFeatures("strip_debug_symbols"));
useConfiguration();
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
0,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"must_keep_debug = False,",
")"))
.contains("-strip_stuff");
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
1,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"must_keep_debug = True,",
")"))
.doesNotContain("-strip_stuff");
}
@Test
public void testIsLinkingDynamicLibraryLinkVariables() throws Exception {
useConfiguration("--linkopt=-pie");
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
0,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"is_linking_dynamic_library = True,",
"user_link_flags = [ '-pie' ],",
")"))
.doesNotContain("-pie");
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
1,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"is_linking_dynamic_library = False,",
"user_link_flags = [ '-pie' ],",
")"))
.contains("-pie");
}
@Test
public void testIsUsingLinkerLinkVariables() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
0,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"is_using_linker = True,",
"user_link_flags = [ '-i_dont_want_to_see_this_on_archiver_command_line' ],",
")"))
.contains("-i_dont_want_to_see_this_on_archiver_command_line");
assertThat(
commandLineForVariables(
CppActionNames.CPP_LINK_EXECUTABLE,
1,
"cc_common.create_link_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"is_using_linker = False,",
"user_link_flags = [ '-i_dont_want_to_see_this_on_archiver_command_line' ],",
")"))
.doesNotContain("-i_dont_want_to_see_this_on_archiver_command_line");
}
private SkylarkList<String> commandLineForVariables(String actionName, String... variables)
throws Exception {
return commandLineForVariables(actionName, 0, variables);
}
// This method is only there to change the package to fix multiple runs of this method in a single
// test.
// TODO(b/109917616): Remove pkgSuffix argument when bzl files are not cached within single test
private SkylarkList<String> commandLineForVariables(
String actionName, int pkgSuffix, String... variables) throws Exception {
scratch.file(
"a" + pkgSuffix + "/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a" + pkgSuffix + "/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(cc_toolchain = toolchain)",
" variables = " + Joiner.on("\n").join(variables),
" return [MyInfo(",
" command_line = cc_common.get_memory_inefficient_command_line(",
" feature_configuration = feature_configuration,",
" action_name = '" + actionName + "',",
" variables = variables))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a" + pkgSuffix + ":alias'))",
" },",
" fragments = ['cpp'],",
");");
/** Calling {@link #getTarget} to get loading errors */
getTarget("//a" + pkgSuffix + ":r");
ConfiguredTarget r = getConfiguredTarget("//a" + pkgSuffix + ":r");
if (r == null) {
return null;
}
@SuppressWarnings("unchecked")
SkylarkList<String> result =
(SkylarkList<String>) getMyInfoFromTarget(r).getValue("command_line");
return result;
}
@Test
public void testCcCompilationProvider() throws Exception {
scratch.file(
"a/BUILD",
"load('//tools/build_defs/cc:rule.bzl', 'crule')",
"licenses(['notice'])",
"cc_library(",
" name='lib',",
" hdrs = ['lib.h'],",
" srcs = ['lib.cc'],",
" deps = ['r']",
")",
"cc_library(",
" name = 'dep1',",
" srcs = ['dep1.cc'],",
" hdrs = ['dep1.h'],",
" includes = ['dep1/baz'],",
" defines = ['DEP1'],",
")",
"cc_library(",
" name = 'dep2',",
" srcs = ['dep2.cc'],",
" hdrs = ['dep2.h'],",
" includes = ['dep2/qux'],",
" defines = ['DEP2'],",
")",
"crule(name='r')");
scratch.overwriteFile("tools/build_defs/cc/BUILD", "");
scratch.file(
"tools/build_defs/cc/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" compilation_context = cc_common.create_compilation_context(",
" headers=depset([ctx.file._header]),",