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StarlarkIntegrationTest.java
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StarlarkIntegrationTest.java
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// Copyright 2016 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.starlark;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.google.devtools.build.lib.analysis.OutputGroupInfo.INTERNAL_SUFFIX;
import static org.junit.Assert.assertThrows;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.FileProvider;
import com.google.devtools.build.lib.analysis.FilesToRunProvider;
import com.google.devtools.build.lib.analysis.OutputGroupInfo;
import com.google.devtools.build.lib.analysis.RunEnvironmentInfo;
import com.google.devtools.build.lib.analysis.RunfilesProvider;
import com.google.devtools.build.lib.analysis.config.StarlarkDefinedConfigTransition;
import com.google.devtools.build.lib.analysis.configuredtargets.FileConfiguredTarget;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget;
import com.google.devtools.build.lib.analysis.starlark.StarlarkAttributeTransitionProvider;
import com.google.devtools.build.lib.analysis.starlark.StarlarkRuleTransitionProvider;
import com.google.devtools.build.lib.analysis.test.AnalysisTestResultInfo;
import com.google.devtools.build.lib.analysis.test.InstrumentedFilesInfo;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.analysis.util.DummyTestFragment;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.Depset;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.events.EventKind;
import com.google.devtools.build.lib.packages.BuildFileContainsErrorsException;
import com.google.devtools.build.lib.packages.BuildSetting;
import com.google.devtools.build.lib.packages.FunctionSplitTransitionAllowlist;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.packages.StarlarkProvider;
import com.google.devtools.build.lib.packages.StructImpl;
import com.google.devtools.build.lib.packages.Type;
import com.google.devtools.build.lib.rules.objc.ObjcProvider;
import com.google.devtools.build.lib.skyframe.ConfiguredTargetAndData;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import java.io.IOException;
import java.util.List;
import net.starlark.java.eval.NoneType;
import net.starlark.java.eval.Sequence;
import net.starlark.java.eval.Starlark;
import net.starlark.java.eval.StarlarkInt;
import net.starlark.java.eval.StarlarkList;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Integration tests for Starlark. */
@RunWith(JUnit4.class)
public class StarlarkIntegrationTest extends BuildViewTestCase {
protected boolean keepGoing() {
return false;
}
@Override
protected ConfiguredRuleClassProvider createRuleClassProvider() {
ConfiguredRuleClassProvider.Builder builder = new ConfiguredRuleClassProvider.Builder();
TestRuleClassProvider.addStandardRules(builder);
builder.addConfigurationFragment(DummyTestFragment.class);
return builder.build();
}
@Before
public void setupMyInfo() throws IOException {
scratch.file("myinfo/myinfo.bzl", "MyInfo = provider()");
scratch.file("myinfo/BUILD");
}
private StructImpl getMyInfoFromTarget(ConfiguredTarget configuredTarget) throws Exception {
Provider.Key key =
new StarlarkProvider.Key(Label.parseCanonical("//myinfo:myinfo.bzl"), "MyInfo");
return (StructImpl) configuredTarget.get(key);
}
@Test
public void testRemoteLabelAsDefaultAttributeValue() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def _impl(ctx):",
" pass",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label_list(default=[\"@r//:t\"]) })");
// We are only interested in whether the label string in the default value can be converted
// to a proper Label without an exception (see GitHub issue #1442).
// Consequently, we expect getTarget() to fail later since the repository does not exist.
checkError(
"test/starlark",
"the_rule",
"no such package '@r//': The repository '@r' could not be resolved",
"load('//test/starlark:extension.bzl', 'my_rule')",
"",
"my_rule(name='the_rule')");
}
@Test
public void testMainRepoLabelWorkspaceRoot() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" return [MyInfo(result = ctx.label.workspace_root)]",
"my_rule = rule(implementation = _impl, attrs = { })");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'my_rule')",
"my_rule(name='t')");
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEmpty();
}
@Test
public void testExternalRepoLabelWorkspaceRoot_subdirRepoLayout() throws Exception {
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='/r')")
.build());
scratch.file("/r/WORKSPACE");
scratch.file(
"/r/test/starlark/extension.bzl",
"load('@//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" return [MyInfo(result = ctx.label.workspace_root)]",
"my_rule = rule(implementation = _impl, attrs = { })");
scratch.file(
"/r/BUILD", "load('//:test/starlark/extension.bzl', 'my_rule')", "my_rule(name='t')");
// Required since we have a new WORKSPACE file.
invalidatePackages(true);
ConfiguredTarget myTarget = getConfiguredTarget("@r//:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEqualTo("external/r");
}
@Test
public void testExternalRepoLabelWorkspaceRoot_siblingRepoLayout() throws Exception {
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='/r')")
.build());
scratch.file("/r/WORKSPACE");
scratch.file(
"/r/test/starlark/extension.bzl",
"load('@//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" return [MyInfo(result = ctx.label.workspace_root)]",
"my_rule = rule(implementation = _impl, attrs = { })");
scratch.file(
"/r/BUILD", "load('//:test/starlark/extension.bzl', 'my_rule')", "my_rule(name='t')");
// Required since we have a new WORKSPACE file.
invalidatePackages(true);
setBuildLanguageOptions("--experimental_sibling_repository_layout");
ConfiguredTarget myTarget = getConfiguredTarget("@r//:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEqualTo("../r");
}
@Test
public void testSameMethodNames() throws Exception {
// The alias feature of load() may hide the fact that two methods in the stack trace have the
// same name. This is perfectly legal as long as these two methods are actually distinct.
// Consequently, no "Recursion was detected" error must be thrown.
scratch.file(
"test/starlark/extension.bzl",
"load('//test/starlark:other.bzl', other_impl = 'impl')",
"def impl(ctx):",
" other_impl(ctx)",
"empty = rule(implementation = impl)");
scratch.file("test/starlark/other.bzl", "def impl(ctx):", " print('This rule does nothing')");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'empty')",
"empty(name = 'test_target')");
getConfiguredTarget("//test/starlark:test_target");
}
private Rule getRuleForTarget(String targetName) throws Exception {
ConfiguredTargetAndData target = getConfiguredTargetAndData("//test/starlark:" + targetName);
return target.getTarget().getAssociatedRule();
}
@Test
public void testMacroHasGeneratorAttributes() throws Exception {
setBuildLanguageOptions("--experimental_builtins_injection_override=+cc_binary");
scratch.file(
"test/starlark/extension.bzl",
"def _impl(ctx):",
" print('This rule does nothing')",
"",
"empty = rule(implementation = _impl)",
"no_macro = rule(implementation = _impl)",
"",
"def macro(name, visibility=None):",
" empty(name = name, visibility=visibility)",
"def native_macro(name):",
" native.cc_library(name = name + '_suffix')");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', macro_rule = 'macro', no_macro_rule = 'no_macro',",
" native_macro_rule = 'native_macro')",
"macro_rule(name = 'macro_target')",
"no_macro_rule(name = 'no_macro_target')",
"native_macro_rule(name = 'native_macro_target')",
"cc_binary(name = 'cc_target', deps = ['cc_dep'])",
"cc_library(name = 'cc_dep')");
Rule withMacro = getRuleForTarget("macro_target");
assertThat(withMacro.getAttr("generator_name")).isEqualTo("macro_target");
assertThat(withMacro.getAttr("generator_function")).isEqualTo("macro");
assertThat(withMacro.getAttr("generator_location")).isEqualTo("test/starlark/BUILD:3:11");
// Attributes are only set when the rule was created by a macro
Rule noMacro = getRuleForTarget("no_macro_target");
assertThat(noMacro.getAttr("generator_name")).isEqualTo("");
assertThat(noMacro.getAttr("generator_function")).isEqualTo("");
assertThat(noMacro.getAttr("generator_location")).isEqualTo("");
Rule nativeMacro = getRuleForTarget("native_macro_target_suffix");
assertThat(nativeMacro.getAttr("generator_name")).isEqualTo("native_macro_target");
assertThat(nativeMacro.getAttr("generator_function")).isEqualTo("native_macro");
assertThat(nativeMacro.getAttr("generator_location")).isEqualTo("test/starlark/BUILD:5:18");
// Starlark version of cc_binary is created by a wrapper macro.
Rule ccTarget = getRuleForTarget("cc_target");
assertThat(ccTarget.getAttr("generator_name")).isEqualTo("cc_target");
assertThat(ccTarget.getAttr("generator_function")).isEqualTo("cc_binary");
assertThat(ccTarget.getAttr("generator_location")).isEqualTo("test/starlark/BUILD:6:10");
}
@Test
public void sanityCheckUserDefinedTestRule() throws Exception {
scratch.file(
"test/starlark/test_rule.bzl",
"def _impl(ctx):",
" output = ctx.outputs.out",
" ctx.actions.write(output = output, content = 'hello', is_executable=True)",
" return [DefaultInfo(executable = output)]",
"",
"fake_test = rule(",
" implementation = _impl,",
" test=True,",
" attrs = {'_xcode_config': attr.label(default = configuration_field(",
" fragment = 'apple', name = \"xcode_config_label\"))},",
" outputs = {\"out\": \"%{name}.txt\"})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:test_rule.bzl', 'fake_test')",
"fake_test(name = 'test_name')");
getConfiguredTarget("//test/starlark:test_name");
}
@Test
public void testOutputGroupsDeclaredProvider() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep[OutputGroupInfo]._hidden_top_level" + INTERNAL_SUFFIX,
" return [MyInfo(result = f),",
" OutputGroupInfo(my_group = f)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'my_rule')",
"cc_binary(name = 'lib', data = ['a.txt'])",
"my_rule(name='my', dep = ':lib')");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
}
@Test
public void testOutputGroupsAsDictionary() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep.output_groups['_hidden_top_level" + INTERNAL_SUFFIX + "']",
" has_key1 = '_hidden_top_level" + INTERNAL_SUFFIX + "' in ctx.attr.dep.output_groups",
" has_key2 = 'foobar' in ctx.attr.dep.output_groups",
" all_keys = [k for k in ctx.attr.dep.output_groups]",
" return [MyInfo(result = f, ",
" has_key1 = has_key1,",
" has_key2 = has_key2,",
" all_keys = all_keys),",
" OutputGroupInfo(my_group = f)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'my_rule')",
"cc_binary(name = 'lib', data = ['a.txt'])",
"my_rule(name='my', dep = ':lib')");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
StructImpl myInfo = getMyInfoFromTarget(myTarget);
Depset result = (Depset) myInfo.getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(myInfo.getValue("has_key1")).isEqualTo(Boolean.TRUE);
assertThat(myInfo.getValue("has_key2")).isEqualTo(Boolean.FALSE);
assertThat((Sequence) myInfo.getValue("all_keys"))
.containsExactly(
OutputGroupInfo.HIDDEN_TOP_LEVEL,
OutputGroupInfo.COMPILATION_PREREQUISITES,
OutputGroupInfo.FILES_TO_COMPILE,
OutputGroupInfo.TEMP_FILES,
OutputGroupInfo.VALIDATION);
}
@Test
public void testOutputGroupsAsDictionaryPipe() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" g = ctx.attr.dep.output_groups['_hidden_top_level" + INTERNAL_SUFFIX + "']",
" return [MyInfo(result = g),",
" OutputGroupInfo(my_group = g)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'my_rule')",
"cc_binary(name = 'lib', data = ['a.txt'])",
"my_rule(name='my', dep = ':lib')");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
}
@Test
public void testOutputGroupsDeclaredProviderWithList() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep[OutputGroupInfo]._hidden_top_level" + INTERNAL_SUFFIX,
" g = f.to_list()",
" return [MyInfo(result = f),",
" OutputGroupInfo(my_group = g, my_empty_group = [])]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'my_rule')",
"cc_binary(name = 'lib', data = ['a.txt'])",
"my_rule(name='my', dep = ':lib')");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_empty_group").toList()).isEmpty();
}
@Test
public void testStackTraceErrorInFunction() throws Exception {
runStackTraceTest(
" str.index(1)",
// The error occurs in a built-in, so the backtrace omits the
// final frame and instead prints "Error in index:".
"Error in index: in call to index(), parameter 'sub' got value of type 'int', want"
+ " 'string'");
}
@Test
public void testStackTraceMissingMethod() throws Exception {
// The error occurs in a Starlark operator, so the backtrace includes
// the final frame, with a source location. We report "Error: ...".
runStackTraceTest(
" (None ).index(1)", "Error: 'NoneType' value has no field or method 'index'");
}
// Precondition: 'expr' must have a 2-space indent and an error at column 12. Ugh.
// TODO(adonovan): rewrite this and similar tests as assertions over the error data
// structure, not its formatting.
protected void runStackTraceTest(String expr, String errorMessage) throws Exception {
reporter.removeHandler(failFastHandler);
// The stack doesn't include source lines because we haven't told the relevant
// call to EvalException.getMessageWithStack how to read from scratch.
String expectedTrace =
Joiner.on("\n")
.join(
"ERROR /workspace/test/starlark/BUILD:3:12: in custom_rule rule"
+ " //test/starlark:cr: ",
"Traceback (most recent call last):",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 6, column 6, in"
+ " custom_rule_impl",
// "\t\tfoo()",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 9, column 6, in foo",
// "\t\tbar(2, 4)",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 11, column 8, in bar",
// "\t\tfirst(x, y, z)",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 2, column 9, in first",
// "\t\tsecond(a, b)",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 5, column 8, in second",
// "\t\tthird(\"legal\")",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 7, column 12, in third",
// ...
errorMessage);
scratch.file(
"test/starlark/extension.bzl",
"load('//test/starlark:functions.bzl', 'first')",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def custom_rule_impl(ctx):",
" attr1 = ctx.files.attr1",
" ftb = depset(attr1)",
" foo()",
" return [MyInfo(provider_key = ftb)]",
"def foo():",
" bar(2,4)",
"def bar(x,y,z=1):",
" first(x,y, z)",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})");
scratch.file(
"test/starlark/functions.bzl",
"def first(a, b, c):",
" second(a, b)",
" third(b)",
"def second(a, b):",
" third('legal')",
"def third(str):",
expr); // 2-space indent, error at column 12
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = [':a.txt'])");
getConfiguredTarget("//test/starlark:cr");
assertContainsEvent(expectedTrace);
}
@Test
public void testFilesToBuild() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" attr1 = ctx.files.attr1",
" ftb = depset(attr1)",
" return [DefaultInfo(runfiles = ctx.runfiles(), files = ftb)]",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = [':a.txt'])");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("a.txt");
}
@Test
public void testRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" attr1 = ctx.files.attr1",
" rf = ctx.runfiles(files = attr1)",
" return [DefaultInfo(runfiles = rf)]",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = [':a.txt'])");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
}
@Test
public void testAccessRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" runfiles = ctx.attr.x.default_runfiles.files",
" return [DefaultInfo(files = runfiles)]",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'x': attr.label(allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"cc_library(name = 'lib', data = ['a.txt'])",
"custom_rule(name = 'cr1', x = ':lib')",
"custom_rule(name = 'cr2', x = 'b.txt')");
scratch.file("test/starlark/a.txt");
scratch.file("test/starlark/b.txt");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr1");
List<String> baseArtifactNames =
ActionsTestUtil.baseArtifactNames(target.getProvider(FileProvider.class).getFilesToBuild());
assertThat(baseArtifactNames).containsExactly("a.txt");
target = getConfiguredTarget("//test/starlark:cr2");
baseArtifactNames =
ActionsTestUtil.baseArtifactNames(target.getProvider(FileProvider.class).getFilesToBuild());
assertThat(baseArtifactNames).isEmpty();
}
@Test
public void testStatefulRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" attr1 = ctx.files.attr1",
" rf1 = ctx.runfiles(files = attr1)",
" rf2 = ctx.runfiles()",
" return [DefaultInfo(data_runfiles = rf1, default_runfiles = rf2)]",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'attr1': attr.label_list(mandatory = True, allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = [':a.txt'])");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(target.getProvider(RunfilesProvider.class).getDefaultRunfiles().isEmpty()).isTrue();
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
}
@Test
public void testExecutableGetsInRunfilesAndFilesToBuild() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" ctx.actions.write(output = ctx.outputs.executable, content = 'echo hello')",
" rf = ctx.runfiles(ctx.files.data)",
" return [DefaultInfo(runfiles = rf)]",
"",
"custom_rule = rule(implementation = custom_rule_impl, executable = True,",
" attrs = {'data': attr.label_list(allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', data = [':a.txt'])");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.containsExactly("a.txt", "cr")
.inOrder();
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("cr");
}
@Test
public void testCannotSpecifyRunfilesWithDataOrDefaultRunfiles_struct() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" rf = ctx.runfiles()",
" return struct(runfiles = rf, default_runfiles = rf)",
"",
"custom_rule = rule(implementation = custom_rule_impl)");
checkError(
"test/starlark",
"cr",
"Cannot specify the provider 'runfiles' together with "
+ "'data_runfiles' or 'default_runfiles'",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')");
}
@Test
public void testCannotSpecifyRunfilesWithDataOrDefaultRunfiles_defaultInfo() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" rf = ctx.runfiles()",
" return [DefaultInfo(runfiles = rf, default_runfiles = rf)]",
"",
"custom_rule = rule(implementation = custom_rule_impl)");
checkError(
"test/starlark",
"cr",
"Cannot specify the provider 'runfiles' together with "
+ "'data_runfiles' or 'default_runfiles'",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')");
}
@Test
public void testDefaultInfoWithRunfilesConstructor() throws Exception {
scratch.file(
"pkg/BUILD",
"sh_binary(name = 'tryme',",
" srcs = [':tryme.sh'],",
" visibility = ['//visibility:public'],",
")");
scratch.file(
"src/rulez.bzl",
"def _impl(ctx):",
" info = DefaultInfo(runfiles = ctx.runfiles(files=[ctx.executable.dep]))",
" if info.default_runfiles.files.to_list()[0] != ctx.executable.dep:",
" fail('expected runfile to be in info.default_runfiles')",
" return [info]",
"r = rule(_impl,",
" attrs = {",
" 'dep' : attr.label(executable = True, mandatory = True, cfg = 'host'),",
" }",
")");
scratch.file(
"src/BUILD", "load(':rulez.bzl', 'r')", "r(name = 'r_tools', dep = '//pkg:tryme')");
assertThat(getConfiguredTarget("//src:r_tools")).isNotNull();
}
@Test
public void testInstrumentedFilesProviderWithCodeCoverageDisabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" return struct(instrumented_files=struct(",
" extensions = ['txt'],",
" source_attributes = ['attr1'],",
" dependency_attributes = ['attr2']))",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {",
" 'attr1': attr.label_list(mandatory = True, allow_files=True),",
" 'attr2': attr.label_list(mandatory = True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"java_library(name='jl', srcs = [':A.java'])",
"custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])");
useConfiguration("--nocollect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles())).isEmpty();
}
@Test
public void testInstrumentedFilesProviderWithCodeCoverageEnabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" return struct(instrumented_files=struct(",
" extensions = ['txt'],",
" source_attributes = ['attr1'],",
" dependency_attributes = ['attr2']))",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {",
" 'attr1': attr.label_list(mandatory = True, allow_files=True),",
" 'attr2': attr.label_list(mandatory = True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"java_library(name='jl', srcs = [':A.java'])",
"custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])");
useConfiguration("--collect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles()))
.containsExactly("a.txt", "A.java");
}
@Test
public void testInstrumentedFilesInfo_coverageDisabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"def custom_rule_impl(ctx):",
" return struct(instrumented_files=struct(",
" extensions = ['txt'],",
" source_attributes = ['attr1'],",
" dependency_attributes = ['attr2']))",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {",
" 'attr1': attr.label_list(mandatory = True, allow_files=True),",
" 'attr2': attr.label_list(mandatory = True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"java_library(name='jl', srcs = [':A.java'])",
"custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])");
useConfiguration("--nocollect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles())).isEmpty();
}
@Test
public void testInstrumentedFilesInfo_coverageEnabled() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"",
"def custom_rule_impl(ctx):",
" return [",
" coverage_common.instrumented_files_info(",
" ctx,",
" extensions = ['txt'],",
" source_attributes = [",
" 'label_src',",
" 'label_list_srcs',",
" 'dict_srcs',",
// Missing attrs are ignored (this allows common configuration for sets of rules where
// only some define the specified attributes, e.g. *_library/binary).
" 'missing_src_attr',",
" ],",
" dependency_attributes = [",
" 'label_dep',",
" 'label_list_deps',",
" 'dict_deps',",
// Missing attrs are ignored
" 'missing_dep_attr',",
" ],",
" ),",
" ]",
"",
"custom_rule = rule(",
" implementation = custom_rule_impl,",
" attrs = {",
" 'label_src': attr.label(allow_files=True),",
" 'label_list_srcs': attr.label_list(allow_files=True),",
" 'dict_srcs': attr.label_keyed_string_dict(allow_files=True),",
// Generally deps don't set allow_files=True, but want to assert that source files in
// dependency_attributes are ignored, since source files don't provide
// InstrumentedFilesInfo. (For example, files put directly into data are assumed to not be
// source code that gets coverage instrumented.)
" 'label_dep': attr.label(allow_files=True),",
" 'label_list_deps': attr.label_list(allow_files=True),",
" 'dict_deps': attr.label_keyed_string_dict(allow_files=True),",
" },",
")",
"",
"def test_rule_impl(ctx):",
" return [MyInfo(",
// The point of this is to assert that these fields can be read in analysistest.
// Normally, this information wouldn't be forwarded via a different provider.
" instrumented_files = ctx.attr.target[InstrumentedFilesInfo].instrumented_files,",
" metadata_files = ctx.attr.target[InstrumentedFilesInfo].metadata_files)]",
"",
"test_rule = rule(implementation = test_rule_impl,",
" attrs = {'target': attr.label(mandatory = True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule', 'test_rule')",
"",
"cc_library(name='label_dep', srcs = [':label_dep.cc'])",
"cc_library(name='label_list_dep', srcs = [':label_list_dep.cc'])",
"cc_library(name='dict_dep', srcs = [':dict_dep.cc'])",
"custom_rule(",
" name = 'cr',",
" label_src = ':label_src.txt',",
// Check that srcs with the wrong extension are ignored.
" label_list_srcs = [':label_list_src.txt', ':label_list_src.ignored'],",
" dict_srcs = {':dict_src.txt': ''},",
" label_dep = ':label_dep',",
// Check that files in dependency attributes are ignored.
" label_list_deps = [':label_list_dep', ':file_in_deps_is_ignored.txt'],",
" dict_deps= {':dict_dep': ''},",
")",
"test_rule(name = 'test', target = ':cr')");
useConfiguration("--collect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:test");
StructImpl myInfo = getMyInfoFromTarget(target);
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) myInfo.getValue("instrumented_files")).getSet(Artifact.class)))
.containsExactly(
"label_src.txt",
"label_list_src.txt",
"dict_src.txt",
"label_dep.cc",
"label_list_dep.cc",
"dict_dep.cc");
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) myInfo.getValue("metadata_files")).getSet(Artifact.class)))
.containsExactly("label_dep.gcno", "label_list_dep.gcno", "dict_dep.gcno");
ConfiguredTarget customRule = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
customRule
.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR)
.getBaselineCoverageInstrumentedFiles()))
.containsExactly(
"label_src.txt",
"label_list_src.txt",
"dict_src.txt",
"label_dep.cc",
"label_list_dep.cc",
"dict_dep.cc");
}
@Test
public void testInstrumentedFilesInfo_coverageSupportAndEnvVarsArePrivateAPI() throws Exception {
// Arrange
scratch.file(
"test/starlark/extension.bzl",
"",
"def custom_rule_impl(ctx):",
" return [",
" coverage_common.instrumented_files_info(",
" ctx,",
" coverage_support_files = ctx.files.srcs,",
" coverage_environment = {'k1' : 'v1'},",
" ),",
" ]",
"",
"custom_rule = rule(",
" implementation = custom_rule_impl,",
" attrs = {",
" 'srcs': attr.label_list(allow_files=True),",
" },",
")");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(",
" name = 'foo',",
" srcs = ['src1.txt'],",
")");
reporter.removeHandler(failFastHandler);
// Act
getConfiguredTarget("//test/starlark:foo");
// Assert
assertContainsEvent("private API only for use in builtins");
}
@Test
public void testTransitiveInfoProviders() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def custom_rule_impl(ctx):",
" attr1 = ctx.files.attr1",
" ftb = depset(attr1)",
" return [MyInfo(provider_key = ftb)]",
"",
"custom_rule = rule(implementation = custom_rule_impl,",
" attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})");
scratch.file(
"test/starlark/BUILD",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = [':a.txt'])");
RuleConfiguredTarget target = (RuleConfiguredTarget) getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) getMyInfoFromTarget(target).getValue("provider_key"))
.getSet(Artifact.class)))
.containsExactly("a.txt");
}
@Test
public void testInstrumentedFilesForwardedFromDepsByDefault() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"def wrapper_impl(ctx):",
// This wrapper doesn't configure InstrumentedFilesInfo.
" return []",
"",
"wrapper = rule(implementation = wrapper_impl,",
" attrs = {",
" 'srcs': attr.label_list(allow_files = True),",
" 'wrapped': attr.label(mandatory = True),",