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StarlarkCcCommonTest.java
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StarlarkCcCommonTest.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.common.truth.Truth8.assertThat;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.baseArtifactNames;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.prettyArtifactNames;
import static com.google.devtools.build.lib.rules.cpp.SolibSymlinkAction.MAX_FILENAME_LENGTH;
import static org.junit.Assert.assertThrows;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
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.actions.CommandLineExpansionException;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.FileProvider;
import com.google.devtools.build.lib.analysis.RuleContext;
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.cmdline.LabelSyntaxException;
import com.google.devtools.build.lib.collect.nestedset.Depset;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.StarlarkInfo;
import com.google.devtools.build.lib.packages.StarlarkProvider;
import com.google.devtools.build.lib.packages.StarlarkProviderIdentifier;
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.MockCcSupport;
import com.google.devtools.build.lib.packages.util.ResourceLoader;
import com.google.devtools.build.lib.rules.cpp.CcCommon.Language;
import com.google.devtools.build.lib.rules.cpp.CcLinkingContext.Linkstamp;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.ActionConfig;
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.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.FileSystemUtils;
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.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import net.starlark.java.eval.EvalException;
import net.starlark.java.eval.Sequence;
import net.starlark.java.eval.Starlark;
import net.starlark.java.eval.StarlarkList;
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} Starlark module. */
@RunWith(JUnit4.class)
public class StarlarkCcCommonTest extends BuildViewTestCase {
@Before
public void setUp() throws Exception {
scratch.file("myinfo/myinfo.bzl", "MyInfo = provider()");
scratch.file("myinfo/BUILD");
}
private static StructImpl getMyInfoFromTarget(ConfiguredTarget configuredTarget)
throws LabelSyntaxException {
Provider.Key key =
new StarlarkProvider.Key(Label.parseCanonical("//myinfo:myinfo.bzl"), "MyInfo");
return (StructImpl) configuredTarget.get(key);
}
private static Iterable<Artifact> getArtifactsFromMyInfo(ConfiguredTarget target, String field)
throws Exception {
StructImpl myInfo = getMyInfoFromTarget(target);
@SuppressWarnings("unchecked")
Iterable<Artifact> artifacts = (Iterable<Artifact>) myInfo.getValue(field);
return artifacts;
}
@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");
Depset allFiles = (Depset) getMyInfoFromTarget(r).getValue("all_files");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
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 StarlarkProvider.Key(
Label.create(r.getLabel().getPackageIdentifier(), "rule.bzl"), "CruleInfo");
StarlarkInfo cruleInfo = (StarlarkInfo) r.get(key);
Depset staticRuntimeLib = (Depset) cruleInfo.getValue("static");
Depset dynamicRuntimeLib = (Depset) 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 = (StarlarkInfo) r.get(key);
staticRuntimeLib = (Depset) cruleInfo.getValue("static");
dynamicRuntimeLib = (Depset) cruleInfo.getValue("dynamic");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
assertThat(staticRuntimeLib.getSet(Artifact.class))
.isEqualTo(toolchain.getStaticRuntimeLibForTesting());
assertThat(dynamicRuntimeLib.getSet(Artifact.class))
.isEqualTo(toolchain.getDynamicRuntimeLibForTesting());
}
@Test
public void testGetValuesFromCcToolchain() 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(",
" dynamic_runtime_solib_dir = toolchain.dynamic_runtime_solib_dir,",
" toolchain_id = toolchain.toolchain_id,",
" )]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
StructImpl info = getMyInfoFromTarget(r);
String dynamicRuntimeSolibDir = (String) info.getValue("dynamic_runtime_solib_dir");
String toolchainId = (String) info.getValue("toolchain_id");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
assertThat(dynamicRuntimeSolibDir).isEqualTo(toolchain.getDynamicRuntimeSolibDirForStarlark());
assertThat(toolchainId).isEqualTo(toolchain.getToolchainIdentifier());
}
@Test
public void testGetToolForAction() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" ctx = ctx,",
" cc_toolchain = toolchain,",
" )",
" return [MyInfo(",
" action_tool_path = cc_common.get_tool_for_action(",
" feature_configuration = feature_configuration,",
" action_name = 'c++-compile'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
String actionToolPath = (String) getMyInfoFromTarget(r).getValue("action_tool_path");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
Language.CPP,
toolchain,
ruleContext.getFragment(CppConfiguration.class));
assertThat(actionToolPath)
.isEqualTo(featureConfiguration.getToolPathForAction(CppActionNames.CPP_COMPILE));
}
@Test
public void testExecutionRequirements() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder()
.withFeatures(MockCcSupport.CPP_COMPILE_ACTION_WITH_REQUIREMENTS));
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(",
" ctx = ctx,",
" cc_toolchain = toolchain,",
" )",
" return [MyInfo(",
" requirements = cc_common.get_execution_requirements(",
" feature_configuration = feature_configuration,",
" action_name = 'yolo_action_with_requirements'))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
Sequence<String> requirements =
(Sequence<String>) getMyInfoFromTarget(r).getValue("requirements");
assertThat(requirements).containsExactly("requires-yolo");
}
@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(",
" ctx = ctx,",
" 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");
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(",
" ctx = ctx,",
" 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");
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(",
" ctx = ctx,",
" 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")
Sequence<String> commandLine =
(Sequence<String>) getMyInfoFromTarget(r).getValue("command_line");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
Language.CPP,
toolchain,
ruleContext.getFragment(CppConfiguration.class));
assertThat(commandLine)
.containsExactlyElementsIn(
featureConfiguration.getCommandLine("c++-link-executable", CcToolchainVariables.EMPTY));
}
@Test
public void testGetEnvironment() throws Exception {
scratch.file(
"a/BUILD",
"load(':rule.bzl', 'crule')",
"cc_toolchain_alias(name='alias')",
"crule(name='r')");
scratch.file(
"a/rule.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" ctx = ctx,",
" cc_toolchain = toolchain,",
" )",
" return [MyInfo(",
" environment_variables = cc_common.get_environment_variables(",
" feature_configuration = feature_configuration,",
" action_name = 'c++-compile',",
" variables = cc_common.empty_variables()))]",
"crule = rule(",
" _impl,",
" attrs = { ",
" '_cc_toolchain': attr.label(default=Label('//a:alias'))",
" },",
" fragments = ['cpp'],",
");");
ConfiguredTarget r = getConfiguredTarget("//a:r");
@SuppressWarnings("unchecked")
Map<String, String> environmentVariables =
(Map<String, String>) getMyInfoFromTarget(r).getValue("environment_variables");
RuleContext ruleContext = getRuleContext(r);
CcToolchainProvider toolchain =
CppHelper.getToolchain(ruleContext, ruleContext.getPrerequisite("$cc_toolchain"));
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrThrowEvalException(
ImmutableSet.of(),
ImmutableSet.of(),
Language.CPP,
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(",
" ctx = ctx,",
" 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"));
boolean enabledActionIsEnabled = (boolean) myInfo.getValue("enabled_action");
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(",
" ctx = ctx,",
" 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"));
boolean enabledFeatureIsEnabled = (boolean) myInfo.getValue("enabled_feature");
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.RULES_CC_REPOSITORY_EXECROOT + "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(",
" ctx = ctx,",
" 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 testCompileBuildVariablesForFrameworkIncludes() throws Exception {
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"framework_include_directories = depset(['foo/bar'])",
")"))
.contains("-Ffoo/bar");
}
@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 testCompileBuildVariablesForDummyLtoBackendAction() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig, CcToolchainConfig.builder().withFeatures(CppRuleClasses.THIN_LTO));
useConfiguration("--features=thin_lto");
Sequence<String> commandLine =
commandLineForVariables(
CppActionNames.LTO_BACKEND,
"cc_common.create_compile_variables(",
"feature_configuration = feature_configuration,",
"cc_toolchain = toolchain,",
"thinlto_input_bitcode_file = 'path/to/input',",
"thinlto_output_object_file = 'path/to/output',",
"thinlto_index = '/dev/null'",
")");
assertThat(commandLine)
.containsAtLeast(
"thinlto_index=/dev/null",
"thinlto_output_object_file=path/to/output",
"thinlto_input_bitcode_file=path/to/input");
}
@Test
public void testCompileBuildVariablesWithVariablesExtension() throws Exception {
AnalysisMock.get()
.ccSupport()
.setupCcToolchainConfig(
mockToolsConfig,
CcToolchainConfig.builder().withFeatures("check_additional_variables_feature"));
useConfiguration("--features=check_additional_variables_feature");
assertThat(
commandLineForVariables(
CppActionNames.CPP_COMPILE,
"cc_common.create_compile_variables(",
" feature_configuration = feature_configuration,",
" cc_toolchain = toolchain,",
" variables_extension = {",
" 'string_variable': 'foo',",
" 'list_variable': ['bar', 'baz']",
" }",
")"))
.containsAtLeast("--my_string=foo", "--my_list_element=bar", "--my_list_element=baz");
}
@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);
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