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C++: Fixes bug in C++ API with external repo aspects
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Reported in: bazelbuild#8254

Added test testApiWithAspectsOnTargetsInExternalRepos()

RELNOTES:none
PiperOrigin-RevId: 247412486
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@oquenchil @copybara-github
oquenchil authored and copybara-github committed May 9, 2019
1 parent 1df1635 commit 942f7cf
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Showing 2 changed files with 105 additions and 43 deletions.
6 changes: 5 additions & 1 deletion src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1442,7 +1442,11 @@ protected Label getCallerLabel(Location location, SkylarkActionFactory actions,
try {
label =
Label.create(
actions.getActionConstructionContext().getActionOwner().getLabel().getPackageName(),
actions
.getActionConstructionContext()
.getActionOwner()
.getLabel()
.getPackageIdentifier(),
name);
} catch (LabelSyntaxException e) {
throw new EvalException(location, e);
Expand Down
142 changes: 100 additions & 42 deletions src/test/java/com/google/devtools/build/lib/rules/cpp/SkylarkCcCommonTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,7 @@
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;
Expand Down Expand Up @@ -5197,6 +5198,71 @@ private static void createFiles(Scratch scratch, String bzlFilePath) throws Exce
createFiles(scratch, bzlFilePath, "", "");
}

@Test
public void testTransitiveLinkWithDeps() throws Exception {
setupTestTransitiveLink(scratch, " linking_contexts = dep_linking_contexts");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(artifactsToStrings(getGeneratingAction(executable).getInputs()))
.containsAllOf("bin foo/libdep1.a", "bin foo/libdep2.a");
}

@Test
public void testTransitiveLinkForDynamicLibrary() throws Exception {
setupTestTransitiveLink(scratch, "output_type = 'dynamic_library'");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
LibraryToLink library = (LibraryToLink) getMyInfoFromTarget(target).getValue("library");
assertThat(library).isNotNull();
Object executable = getMyInfoFromTarget(target).getValue("executable");
assertThat(EvalUtils.isNullOrNone(executable)).isTrue();
}

@Test
public void testTransitiveLinkForExecutable() throws Exception {
setupTestTransitiveLink(scratch, "output_type = 'executable'");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(executable).isNotNull();
Object library = getMyInfoFromTarget(target).getValue("library");
assertThat(EvalUtils.isNullOrNone(library)).isTrue();
}

@Test
public void testTransitiveLinkWithCompilationOutputs() throws Exception {
setupTestTransitiveLink(scratch, "compilation_outputs=objects");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(artifactsToStrings(getGeneratingAction(executable).getInputs()))
.contains("src foo/file.o");
}

@Test
public void testApiWithAspectsOnTargetsInExternalRepos() throws Exception {
if (!AnalysisMock.get().isThisBazel()) {
return;
}
createFilesForTestingCompilation(
scratch, "tools/build_defs/foo", /* compileProviderLines= */ "");
FileSystemUtils.appendIsoLatin1(
scratch.resolve("WORKSPACE"), "local_repository(name='r', path='/r')");
scratch.file("/r/WORKSPACE");
scratch.file("/r/p/BUILD", "cc_library(", " name = 'a',", " srcs = ['a.cc'],", ")");
invalidatePackages();
scratch.file(
"b/BUILD",
"load('//tools/build_defs/foo:extension.bzl', 'cc_skylark_library')",
"cc_skylark_library(",
" name = 'b',",
" srcs = ['b.cc'],",
" aspect_deps = ['@r//p:a']",
")");
assertThat(getConfiguredTarget("//b:b")).isNotNull();
}

private static void createFiles(
Scratch scratch, String bzlFilePath, String compileProviderLines, String linkProviderLines)
throws Exception {
Expand All @@ -5208,6 +5274,39 @@ private static void createFiles(
scratch.file(
bzlFilePath + "/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _cc_aspect_impl(target, ctx):",
" toolchain = ctx.attr._cc_toolchain[cc_common.CcToolchainInfo]",
" feature_configuration = cc_common.configure_features(",
" cc_toolchain = toolchain,",
" requested_features = ctx.features,",
" unsupported_features = ctx.disabled_features,",
" )",
" (compilation_context, compilation_outputs) = cc_common.compile(",
" actions = ctx.actions,",
" feature_configuration = feature_configuration,",
" cc_toolchain = toolchain,",
" name = ctx.label.name + '_aspect',",
" srcs = ctx.rule.files.srcs,",
" public_hdrs = ctx.rule.files.hdrs,",
" )",
" (linking_context, linking_outputs) = (",
" cc_common.create_linking_context_from_compilation_outputs(",
" actions = ctx.actions,",
" feature_configuration = feature_configuration,",
" name = ctx.label.name + '_aspect',",
" cc_toolchain = toolchain,",
" compilation_outputs = compilation_outputs,",
" )",
" )",
" return []",
"_cc_aspect = aspect(",
" implementation = _cc_aspect_impl,",
" attrs = {",
" '_cc_toolchain': attr.label(default ="
+ " '@bazel_tools//tools/cpp:current_cc_toolchain'),",
" },",
fragments,
")",
"def _cc_skylark_library_impl(ctx):",
" dep_compilation_contexts = []",
" dep_linking_contexts = []",
Expand Down Expand Up @@ -5262,6 +5361,7 @@ private static void createFiles(
" '_additional_inputs': attr.label_list(allow_files=True,"
+ " default=['//foo:script.lds']),",
" '_deps': attr.label_list(default=['//foo:dep1', '//foo:dep2']),",
" 'aspect_deps': attr.label_list(aspects=[_cc_aspect]),",
" '_cc_toolchain': attr.label(default =",
" configuration_field(fragment = 'cpp', name = 'cc_toolchain'))",
" },",
Expand Down Expand Up @@ -5399,48 +5499,6 @@ private void setupCcOutputsTest() throws Exception {
")");
}

@Test
public void testTransitiveLinkWithDeps() throws Exception {
setupTestTransitiveLink(scratch, " linking_contexts = dep_linking_contexts");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(artifactsToStrings(getGeneratingAction(executable).getInputs()))
.containsAllOf("bin foo/libdep1.a", "bin foo/libdep2.a");
}

@Test
public void testTransitiveLinkForDynamicLibrary() throws Exception {
setupTestTransitiveLink(scratch, "output_type = 'dynamic_library'");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
LibraryToLink library = (LibraryToLink) getMyInfoFromTarget(target).getValue("library");
assertThat(library).isNotNull();
Object executable = getMyInfoFromTarget(target).getValue("executable");
assertThat(EvalUtils.isNullOrNone(executable)).isTrue();
}

@Test
public void testTransitiveLinkForExecutable() throws Exception {
setupTestTransitiveLink(scratch, "output_type = 'executable'");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(executable).isNotNull();
Object library = getMyInfoFromTarget(target).getValue("library");
assertThat(EvalUtils.isNullOrNone(library)).isTrue();
}

@Test
public void testTransitiveLinkWithCompilationOutputs() throws Exception {
setupTestTransitiveLink(scratch, "compilation_outputs=objects");
ConfiguredTarget target = getConfiguredTarget("//foo:bin");
assertThat(target).isNotNull();
Artifact executable = (Artifact) getMyInfoFromTarget(target).getValue("executable");
assertThat(artifactsToStrings(getGeneratingAction(executable).getInputs()))
.contains("src foo/file.o");
}

private static void setupTestTransitiveLink(Scratch scratch, String... additionalLines)
throws Exception {
String fragments = " fragments = ['google_cpp', 'cpp'],";
Expand Down

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