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// Copyright 2014 Google Inc. 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.objc;
import static com.google.devtools.build.lib.rules.objc.ObjcProvider.STORYBOARD;
import static com.google.devtools.build.lib.rules.objc.ObjcProvider.XCDATAMODEL;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.objc.CompilationSupport.ExtraLinkArgs;
import com.google.devtools.build.lib.rules.objc.ReleaseBundlingSupport.LinkedBinary;
import com.google.devtools.build.lib.syntax.Type;
import java.util.ArrayList;
import java.util.List;
/**
* Contains information needed to create a {@link RuleConfiguredTarget} and invoke test runners
* for some instantiation of this rule.
*/
// TODO(bazel-team): Extract a TestSupport class that takes on most of the logic in this class.
public abstract class IosTest implements RuleConfiguredTargetFactory {
private static final ImmutableList<SdkFramework> AUTOMATIC_SDK_FRAMEWORKS_FOR_XCTEST =
ImmutableList.of(new SdkFramework("XCTest"));
public static final String TARGET_DEVICE = "target_device";
public static final String IS_XCTEST = "xctest";
public static final String XCTEST_APP = "xctest_app";
public static final String MEMLEAKS_DEP = "$memleaks_dep";
@VisibleForTesting
public static final String REQUIRES_SOURCE_ERROR =
"ios_test requires at least one source file in srcs or non_arc_srcs";
@VisibleForTesting
public static final String NO_MULTI_CPUS_ERROR =
"ios_test cannot be built for multiple CPUs at the same time";
/**
* Creates a target, including registering actions, just as {@link #create(RuleContext)} does.
* The difference between {@link #create(RuleContext)} and this method is that this method does
* only what is needed to support tests on the environment besides generate the Xcodeproj file
* and build the app and test {@code .ipa}s. The {@link #create(RuleContext)} method delegates
* to this method.
*/
protected abstract ConfiguredTarget create(RuleContext ruleContext, ObjcCommon common,
XcodeProvider xcodeProvider, NestedSet<Artifact> filesToBuild) throws InterruptedException;
@Override
public final ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
ObjcCommon common = common(ruleContext);
if (!common.getCompilationArtifacts().get().getArchive().isPresent()) {
ruleContext.ruleError(REQUIRES_SOURCE_ERROR);
}
if (!ObjcRuleClasses.objcConfiguration(ruleContext).getIosMultiCpus().isEmpty()) {
ruleContext.ruleError(NO_MULTI_CPUS_ERROR);
}
XcodeProvider.Builder xcodeProviderBuilder = new XcodeProvider.Builder();
NestedSetBuilder<Artifact> filesToBuild = NestedSetBuilder.stableOrder();
addResourceFilesToBuild(ruleContext, common.getObjcProvider(), filesToBuild);
XcodeProductType productType;
ExtraLinkArgs extraLinkArgs;
Iterable<Artifact> extraLinkInputs;
if (!isXcTest(ruleContext)) {
productType = XcodeProductType.APPLICATION;
extraLinkArgs = new ExtraLinkArgs();
extraLinkInputs = ImmutableList.of();
} else {
productType = XcodeProductType.UNIT_TEST;
XcodeProvider appIpaXcodeProvider =
ruleContext.getPrerequisite(XCTEST_APP, Mode.TARGET, XcodeProvider.class);
xcodeProviderBuilder
.setTestHost(appIpaXcodeProvider)
.setProductType(productType);
XcTestAppProvider testApp = xcTestAppProvider(ruleContext);
Artifact bundleLoader = testApp.getBundleLoader();
// -bundle causes this binary to be linked as a bundle and not require an entry point
// (i.e. main())
// -bundle_loader causes the code in this test to have access to the symbols in the test rig,
// or more specifically, the flag causes ld to consider the given binary when checking for
// missing symbols.
extraLinkArgs = new ExtraLinkArgs(
"-bundle",
"-bundle_loader", bundleLoader.getExecPathString());
extraLinkInputs = ImmutableList.of(bundleLoader);
filesToBuild.add(testApp.getIpa());
}
new CompilationSupport(ruleContext)
.registerLinkActions(common.getObjcProvider(), extraLinkArgs, extraLinkInputs)
.registerJ2ObjcCompileAndArchiveActions(common.getObjcProvider())
.registerCompileAndArchiveActions(common)
.addXcodeSettings(xcodeProviderBuilder, common)
.validateAttributes();
ObjcConfiguration objcConfiguration = ObjcRuleClasses.objcConfiguration(ruleContext);
ReleaseBundlingSupport releaseBundlingSupport = new ReleaseBundlingSupport(
ruleContext, common.getObjcProvider(), LinkedBinary.LOCAL_AND_DEPENDENCIES,
ReleaseBundlingSupport.APP_BUNDLE_DIR_FORMAT, objcConfiguration.getMinimumOs());
releaseBundlingSupport
.registerActions()
.addXcodeSettings(xcodeProviderBuilder)
.addFilesToBuild(filesToBuild)
.validateResources()
.validateAttributes();
new ResourceSupport(ruleContext)
.validateAttributes()
.addXcodeSettings(xcodeProviderBuilder);
new XcodeSupport(ruleContext)
.addXcodeSettings(xcodeProviderBuilder, common.getObjcProvider(), productType)
.addDependencies(xcodeProviderBuilder, new Attribute("bundles", Mode.TARGET))
.addDependencies(xcodeProviderBuilder, new Attribute("deps", Mode.TARGET))
.addNonPropagatedDependencies(
xcodeProviderBuilder, new Attribute("non_propagated_deps", Mode.TARGET))
.addFilesToBuild(filesToBuild)
.registerActions(xcodeProviderBuilder.build());
return create(ruleContext, common, xcodeProviderBuilder.build(), filesToBuild.build());
}
private void addResourceFilesToBuild(
RuleContext ruleContext, ObjcProvider objcProvider, NestedSetBuilder<Artifact> filesToBuild) {
IntermediateArtifacts intermediateArtifacts =
ObjcRuleClasses.intermediateArtifacts(ruleContext);
Iterable<Xcdatamodel> xcdatamodels =
Xcdatamodels.xcdatamodels(intermediateArtifacts, objcProvider.get(XCDATAMODEL));
filesToBuild.addAll(Xcdatamodel.outputZips(xcdatamodels));
for (Artifact storyboard : objcProvider.get(STORYBOARD)) {
filesToBuild.add(intermediateArtifacts.compiledStoryboardZip(storyboard));
}
}
protected static boolean isXcTest(RuleContext ruleContext) {
return ruleContext.attributes().get(IS_XCTEST, Type.BOOLEAN);
}
/** Returns the {@link XcTestAppProvider} of the {@code xctest_app} attribute. */
protected static XcTestAppProvider xcTestAppProvider(RuleContext ruleContext) {
return ruleContext.getPrerequisite(XCTEST_APP, Mode.TARGET, XcTestAppProvider.class);
}
private ObjcCommon common(RuleContext ruleContext) {
ImmutableList<SdkFramework> extraSdkFrameworks = isXcTest(ruleContext)
? AUTOMATIC_SDK_FRAMEWORKS_FOR_XCTEST : ImmutableList.<SdkFramework>of();
List<ObjcProvider> extraDepObjcProviders = new ArrayList<>();
if (isXcTest(ruleContext)) {
extraDepObjcProviders.add(xcTestAppProvider(ruleContext).getObjcProvider());
}
// Add the memleaks library if the --ios_memleaks flag is true. The library pauses the test
// after all tests have been executed so that leaks can be run.
ObjcConfiguration config = ruleContext.getFragment(ObjcConfiguration.class);
if (config.runMemleaks()) {
extraDepObjcProviders
.add(ruleContext.getPrerequisite(MEMLEAKS_DEP, Mode.TARGET, ObjcProvider.class));
}
return ObjcLibrary.common(ruleContext, extraSdkFrameworks, /*alwayslink=*/false,
new ObjcLibrary.ExtraImportLibraries(ObjcRuleClasses.j2ObjcLibraries(ruleContext)),
extraDepObjcProviders);
}
}
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