private static <T> BuildRule createBuildRule(
TargetGraph targetGraph,
BuildRuleParams params,
BuildRuleResolver ruleResolver,
TargetNode<T> node,
Flavor... flavors) {
BuildTarget target = BuildTarget.builder(params.getBuildTarget()).addFlavors(flavors).build();
Description<T> description = node.getDescription();
T args = node.getConstructorArg();
return description.createBuildRule(
targetGraph,
params.copyWithChanges(target, params.getDeclaredDeps(), params.getExtraDeps()),
ruleResolver,
args);
}
@Test
public void testImplicitDepsAreAddedCorrectly() throws NoSuchBuildTargetException {
Description<GenruleDescription.Arg> genruleDescription = new GenruleDescription();
Map<String, Object> instance =
ImmutableMap.<String, Object>of(
"srcs", ImmutableList.of(":baz", "//biz:baz"),
"out", "AndroidManifest.xml",
"cmd", "$(exe //bin:executable) $(location :arg)");
ProjectFilesystem projectFilesystem = new AllExistingProjectFilesystem();
BuildRuleFactoryParams params =
new BuildRuleFactoryParams(projectFilesystem, BuildTargetFactory.newInstance("//foo:bar"));
ConstructorArgMarshaller marshaller =
new ConstructorArgMarshaller(
new DefaultTypeCoercerFactory(ObjectMappers.newDefaultInstance()));
ImmutableSet.Builder<BuildTarget> declaredDeps = ImmutableSet.builder();
ImmutableSet.Builder<VisibilityPattern> visibilityPatterns = ImmutableSet.builder();
GenruleDescription.Arg constructorArg = genruleDescription.createUnpopulatedConstructorArg();
try {
marshaller.populate(
createCellRoots(projectFilesystem),
projectFilesystem,
params,
constructorArg,
declaredDeps,
visibilityPatterns,
instance);
} catch (ConstructorArgMarshalException e) {
fail("Expected constructorArg to be correctly populated.");
}
TargetNode<GenruleDescription.Arg> targetNode =
new TargetNodeFactory(new DefaultTypeCoercerFactory(ObjectMappers.newDefaultInstance()))
.create(
Hashing.sha1().hashString(params.target.getFullyQualifiedName(), UTF_8),
genruleDescription,
constructorArg,
params,
declaredDeps.build(),
visibilityPatterns.build(),
createCellRoots(projectFilesystem));
assertEquals(
"SourcePaths and targets from cmd string should be extracted as extra deps.",
ImmutableSet.of("//foo:baz", "//biz:baz", "//bin:executable", "//foo:arg"),
FluentIterable.from(targetNode.getExtraDeps())
.transform(Functions.toStringFunction())
.toSet());
}
private static TargetNode<?> createTargetNode(
BuildTarget buildTarget, ImmutableSet<Path> inputs) {
Description<FakeDescription.FakeArg> description = new FakeDescription();
FakeDescription.FakeArg arg = description.createUnpopulatedConstructorArg();
arg.inputs = inputs;
BuildRuleFactoryParams params =
NonCheckingBuildRuleFactoryParams.createNonCheckingBuildRuleFactoryParams(buildTarget);
try {
return new TargetNode<>(
Hashing.sha1().hashString(params.target.getFullyQualifiedName(), UTF_8),
description,
arg,
new DefaultTypeCoercerFactory(),
params,
ImmutableSet.<BuildTarget>of(),
ImmutableSet.<BuildTargetPattern>of(),
createCellRoots(params.getProjectFilesystem()));
} catch (NoSuchBuildTargetException | TargetNode.InvalidSourcePathInputException e) {
throw new RuntimeException(e);
}
}
@Test
public void testImplicitDepsAreAddedCorrectly()
throws NoSuchBuildTargetException, TargetNode.InvalidSourcePathInputException {
Description<GenruleDescription.Arg> genruleDescription = new GenruleDescription();
Map<String, Object> instance =
ImmutableMap.<String, Object>of(
"srcs", ImmutableList.of(":baz", "//biz:baz"),
"out", "AndroidManifest.xml",
"cmd", "$(exe //bin:executable) $(location :arg)");
ProjectFilesystem projectFilesystem = new AllExistingProjectFilesystem();
BuildRuleFactoryParams params =
new BuildRuleFactoryParams(
projectFilesystem,
BuildTargetFactory.newInstance("//foo:bar"),
new InMemoryBuildFileTree(ImmutableList.<BuildTarget>of()),
/* enforeBuckBoundaryCheck */ true);
ConstructorArgMarshaller marshaller = new ConstructorArgMarshaller();
ImmutableSet.Builder<BuildTarget> declaredDeps = ImmutableSet.builder();
ImmutableSet.Builder<BuildTargetPattern> visibilityPatterns = ImmutableSet.builder();
GenruleDescription.Arg constructorArg = genruleDescription.createUnpopulatedConstructorArg();
try {
marshaller.populate(
projectFilesystem, params, constructorArg, declaredDeps, visibilityPatterns, instance);
} catch (ConstructorArgMarshalException e) {
fail("Expected constructorArg to be correctly populated.");
}
TargetNode<GenruleDescription.Arg> targetNode =
new TargetNode<>(
genruleDescription,
constructorArg,
params,
declaredDeps.build(),
visibilityPatterns.build());
assertEquals(
"SourcePaths and targets from cmd string should be extracted as extra deps.",
ImmutableSet.of("//foo:baz", "//biz:baz", "//bin:executable", "//foo:arg"),
FluentIterable.from(targetNode.getExtraDeps())
.transform(Functions.toStringFunction())
.toSet());
}
@SuppressWarnings({"rawtypes", "unchecked"})
private TargetNode<?> createTargetNode(
BuckEventBus eventBus,
Cell cell,
Path buildFile,
BuildTarget target,
Map<String, Object> rawNode,
TargetNodeListener nodeListener) {
BuildRuleType buildRuleType = parseBuildRuleTypeFromRawRule(cell, rawNode);
// Because of the way that the parser works, we know this can never return null.
Description<?> description = cell.getDescription(buildRuleType);
if (target.isFlavored()) {
if (description instanceof Flavored) {
if (!((Flavored) description).hasFlavors(ImmutableSet.copyOf(target.getFlavors()))) {
throw new HumanReadableException(
"Unrecognized flavor in target %s while parsing %s%s.",
target,
UnflavoredBuildTarget.BUILD_TARGET_PREFIX,
MorePaths.pathWithUnixSeparators(
target.getBasePath().resolve(cell.getBuildFileName())));
}
} else {
LOG.warn(
"Target %s (type %s) must implement the Flavored interface "
+ "before we can check if it supports flavors: %s",
target.getUnflavoredBuildTarget(), buildRuleType, target.getFlavors());
throw new HumanReadableException(
"Target %s (type %s) does not currently support flavors (tried %s)",
target.getUnflavoredBuildTarget(), buildRuleType, target.getFlavors());
}
}
Cell targetCell = cell.getCell(target);
BuildRuleFactoryParams factoryParams =
new BuildRuleFactoryParams(
targetCell.getFilesystem(),
target.withoutCell(),
new FilesystemBackedBuildFileTree(cell.getFilesystem(), cell.getBuildFileName()),
targetCell.isEnforcingBuckPackageBoundaries());
Object constructorArg = description.createUnpopulatedConstructorArg();
try {
ImmutableSet.Builder<BuildTarget> declaredDeps = ImmutableSet.builder();
ImmutableSet.Builder<BuildTargetPattern> visibilityPatterns = ImmutableSet.builder();
try (SimplePerfEvent.Scope scope =
SimplePerfEvent.scope(
eventBus, PerfEventId.of("MarshalledConstructorArg"), "target", target)) {
marshaller.populate(
targetCell.getCellRoots(),
targetCell.getFilesystem(),
factoryParams,
constructorArg,
declaredDeps,
visibilityPatterns,
rawNode);
}
try (SimplePerfEvent.Scope scope =
SimplePerfEvent.scope(eventBus, PerfEventId.of("CreatedTargetNode"), "target", target)) {
Hasher hasher = Hashing.sha1().newHasher();
hasher.putString(BuckVersion.getVersion(), UTF_8);
JsonObjectHashing.hashJsonObject(hasher, rawNode);
synchronized (this) {
targetsCornucopia.put(target.getUnflavoredBuildTarget(), target);
}
TargetNode<?> node =
new TargetNode(
hasher.hash(),
description,
constructorArg,
typeCoercerFactory,
factoryParams,
declaredDeps.build(),
visibilityPatterns.build(),
targetCell.getCellRoots());
nodeListener.onCreate(buildFile, node);
return node;
}
} catch (NoSuchBuildTargetException | TargetNode.InvalidSourcePathInputException e) {
throw new HumanReadableException(e);
} catch (ConstructorArgMarshalException e) {
throw new HumanReadableException("%s: %s", target, e.getMessage());
} catch (IOException e) {
throw new HumanReadableException(e.getMessage(), e);
}
}