@Test
public void testUberCompilationDatabase() throws IOException {
ProjectWorkspace workspace =
TestDataHelper.createProjectWorkspaceForScenario(this, "compilation_database", tmp);
workspace.setUp();
BuildTarget target =
BuildTargetFactory.newInstance("//:test#default,uber-compilation-database");
ProjectFilesystem filesystem = new FakeProjectFilesystem();
Path compilationDatabase = workspace.buildAndReturnOutput(target.getFullyQualifiedName());
Path rootPath = tmp.getRoot();
assertEquals(
BuildTargets.getGenPath(
filesystem, target, "uber-compilation-database-%s/compile_commands.json"),
rootPath.relativize(compilationDatabase));
Path binaryHeaderSymlinkTreeFolder =
BuildTargets.getGenPath(
filesystem,
target.withFlavors(
ImmutableFlavor.of("default"), CxxDescriptionEnhancer.HEADER_SYMLINK_TREE_FLAVOR),
"%s");
Path binaryExportedHeaderSymlinkTreeFolder =
BuildTargets.getGenPath(
filesystem,
target.withFlavors(
ImmutableFlavor.of("default"),
CxxDescriptionEnhancer.EXPORTED_HEADER_SYMLINK_TREE_FLAVOR),
"%s");
Map<String, CxxCompilationDatabaseEntry> fileToEntry =
CxxCompilationDatabaseUtils.parseCompilationDatabaseJsonFile(compilationDatabase);
assertEquals(1, fileToEntry.size());
assertHasEntry(
fileToEntry,
"test.cpp",
new ImmutableList.Builder<String>()
.add(COMPILER_PATH)
.add("-fPIC")
.add("-fPIC")
.add("-I")
.add(headerSymlinkTreePath(binaryHeaderSymlinkTreeFolder).toString())
.add("-I")
.add(headerSymlinkTreePath(binaryExportedHeaderSymlinkTreeFolder).toString())
.addAll(getExtraFlagsForHeaderMaps(filesystem))
.addAll(COMPILER_SPECIFIC_FLAGS)
.add("-x")
.add("c++")
.add("-c")
.add("-o")
.add(
BuildTargets.getGenPath(
filesystem,
target.withFlavors(
ImmutableFlavor.of("default"),
ImmutableFlavor.of("compile-pic-" + sanitize("test.cpp.o"))),
"%s/test.cpp.o")
.toString())
.add(rootPath.resolve(Paths.get("test.cpp")).toRealPath().toString())
.build());
}
@Test
public void binaryWithDependenciesCompilationDatabase() throws IOException {
BuildTarget target = BuildTargetFactory.newInstance("//:binary_with_dep#compilation-database");
Path compilationDatabase = workspace.buildAndReturnOutput(target.getFullyQualifiedName());
ProjectFilesystem filesystem = new FakeProjectFilesystem();
Path rootPath = tmp.getRoot();
assertEquals(
BuildTargets.getGenPath(filesystem, target, "__%s.json"),
rootPath.relativize(compilationDatabase));
Path binaryHeaderSymlinkTreeFolder =
BuildTargets.getGenPath(
filesystem,
target.withFlavors(
ImmutableFlavor.of("default"), CxxDescriptionEnhancer.HEADER_SYMLINK_TREE_FLAVOR),
"%s");
assertTrue(Files.exists(rootPath.resolve(binaryHeaderSymlinkTreeFolder)));
BuildTarget libraryTarget = BuildTargetFactory.newInstance("//:library_with_header");
Path libraryExportedHeaderSymlinkTreeFolder =
BuildTargets.getGenPath(
filesystem,
libraryTarget.withFlavors(
ImmutableFlavor.of("default"),
CxxDescriptionEnhancer.EXPORTED_HEADER_SYMLINK_TREE_FLAVOR),
"%s");
// Verify that symlink folders for headers are created and header file is linked.
assertTrue(Files.exists(rootPath.resolve(libraryExportedHeaderSymlinkTreeFolder)));
assertTrue(Files.exists(rootPath.resolve(libraryExportedHeaderSymlinkTreeFolder + "/bar.h")));
Map<String, CxxCompilationDatabaseEntry> fileToEntry =
CxxCompilationDatabaseUtils.parseCompilationDatabaseJsonFile(compilationDatabase);
assertEquals(1, fileToEntry.size());
assertHasEntry(
fileToEntry,
"foo.cpp",
new ImmutableList.Builder<String>()
.add(COMPILER_PATH)
.add("-I")
.add(headerSymlinkTreePath(binaryHeaderSymlinkTreeFolder).toString())
.add("-I")
.add(headerSymlinkTreePath(libraryExportedHeaderSymlinkTreeFolder).toString())
.addAll(getExtraFlagsForHeaderMaps(filesystem))
.addAll(COMPILER_SPECIFIC_FLAGS)
.add("-x")
.add("c++")
.add("-c")
.add("-o")
.add(
BuildTargets.getGenPath(
filesystem,
target.withFlavors(
ImmutableFlavor.of("default"),
ImmutableFlavor.of("compile-" + sanitize("foo.cpp.o"))),
"%s/foo.cpp.o")
.toString())
.add(rootPath.resolve(Paths.get("foo.cpp")).toRealPath().toString())
.build());
}
