forked from bazelbuild/bazel
/
StarlarkRuleContextTest.java
3020 lines (2759 loc) · 115 KB
/
StarlarkRuleContextTest.java
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// Copyright 2015 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.common.truth.Truth8.assertThat;
import static com.google.devtools.build.lib.analysis.ToolchainCollection.DEFAULT_EXEC_GROUP_NAME;
import static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST;
import static org.junit.Assert.assertThrows;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.ActionAnalysisMetadata;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ActionsProvider;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.ResolvedToolchainContext;
import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
import com.google.devtools.build.lib.analysis.actions.FileWriteAction;
import com.google.devtools.build.lib.analysis.actions.StarlarkAction;
import com.google.devtools.build.lib.analysis.configuredtargets.FileConfiguredTarget;
import com.google.devtools.build.lib.analysis.starlark.StarlarkExecGroupCollection;
import com.google.devtools.build.lib.analysis.starlark.StarlarkRuleContext;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.analysis.util.MockRule;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.Depset;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.StarlarkInfo;
import com.google.devtools.build.lib.packages.StarlarkProvider;
import com.google.devtools.build.lib.packages.StarlarkProviderIdentifier;
import com.google.devtools.build.lib.packages.StructImpl;
import com.google.devtools.build.lib.rules.java.JavaInfo;
import com.google.devtools.build.lib.rules.java.JavaSourceJarsProvider;
import com.google.devtools.build.lib.rules.python.PyProviderUtils;
import com.google.devtools.build.lib.starlark.util.BazelEvaluationTestCase;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.util.FileTypeSet;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import net.starlark.java.eval.Dict;
import net.starlark.java.eval.EvalException;
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;
/** Tests for {@link StarlarkRuleContext}. */
@RunWith(JUnit4.class)
public final class StarlarkRuleContextTest extends BuildViewTestCase {
private StarlarkRuleContext createRuleContext(String label) throws Exception {
return new StarlarkRuleContext(
getRuleContextForStarlark(getConfiguredTarget(label)), null, getStarlarkSemantics());
}
private final BazelEvaluationTestCase ev = new BazelEvaluationTestCase();
/** A test rule that exercises the semantics of mandatory providers. */
private static final MockRule TESTING_RULE_FOR_MANDATORY_PROVIDERS =
() ->
MockRule.define(
"testing_rule_for_mandatory_providers",
(builder, env) ->
builder
.setUndocumented()
.add(attr("srcs", LABEL_LIST).allowedFileTypes(FileTypeSet.ANY_FILE))
.add(
attr("deps", LABEL_LIST)
.legacyAllowAnyFileType()
.mandatoryProvidersList(
ImmutableList.of(
ImmutableList.of(StarlarkProviderIdentifier.forLegacy("a")),
ImmutableList.of(
StarlarkProviderIdentifier.forLegacy("b"),
StarlarkProviderIdentifier.forLegacy("c"))))));
@Override
protected ConfiguredRuleClassProvider createRuleClassProvider() {
ConfiguredRuleClassProvider.Builder builder =
new ConfiguredRuleClassProvider.Builder()
.addRuleDefinition(TESTING_RULE_FOR_MANDATORY_PROVIDERS);
TestRuleClassProvider.addStandardRules(builder);
return builder.build();
}
@Before
public final void setupMyInfoAndGenerateBuildFile() throws Exception {
scratch.file("myinfo/myinfo.bzl", "MyInfo = provider()");
scratch.file("myinfo/BUILD");
scratch.file(
"foo/BUILD",
"package(features = ['-f1', 'f2', 'f3'])",
"genrule(name = 'foo',",
" cmd = 'dummy_cmd',",
" srcs = ['a.txt', 'b.img'],",
" tools = ['t.exe'],",
" outs = ['c.txt'])",
"genrule(name = 'foo2',",
" cmd = 'dummy_cmd',",
" outs = ['e.txt'])",
"genrule(name = 'bar',",
" cmd = 'dummy_cmd',",
" srcs = [':jl', ':gl'],",
" outs = ['d.txt'])",
"java_library(name = 'jl',",
" srcs = ['a.java'])",
"android_library(name = 'androidlib',",
" srcs = ['a.java'])",
"java_import(name = 'asr',",
" jars = [ 'asr.jar' ],",
" srcjar = 'asr-src.jar',",
")",
"genrule(name = 'gl',",
" cmd = 'touch $(OUTS)',",
" srcs = ['a.go'],",
" outs = [ 'gl.a', 'gl.gcgox', ],",
" output_to_bindir = 1,",
")",
"cc_library(name = 'cc_with_features',",
" srcs = ['dummy.cc'],",
" features = ['f1', '-f3'],",
")");
}
private void setRuleContext(StarlarkRuleContext ctx) throws Exception {
ev.update("ruleContext", ctx);
}
private void setUpAttributeErrorTest() throws Exception {
scratch.file(
"test/BUILD",
"load('//test:macros.bzl', 'macro_native_rule', 'macro_starlark_rule', 'starlark_rule')",
"macro_native_rule(name = 'm_native',",
" deps = [':jlib'])",
"macro_starlark_rule(name = 'm_starlark',",
" deps = [':jlib'])",
"java_library(name = 'jlib',",
" srcs = ['bla.java'])",
"cc_library(name = 'cclib',",
" deps = [':jlib'])",
"starlark_rule(name = 'skyrule',",
" deps = [':jlib'])");
scratch.file(
"test/macros.bzl",
"def _impl(ctx):",
" return",
"starlark_rule = rule(",
" implementation = _impl,",
" attrs = {",
" 'deps': attr.label_list(providers = ['some_provider'], allow_files=True)",
" }",
")",
"def macro_native_rule(name, deps): ",
" native.cc_library(name = name, deps = deps)",
"def macro_starlark_rule(name, deps):",
" starlark_rule(name = name, deps = deps)");
reporter.removeHandler(failFastHandler);
}
@Test
public void hasCorrectLocationForRuleAttributeError_NativeRuleWithMacro() throws Exception {
setUpAttributeErrorTest();
assertThrows(Exception.class, () -> createRuleContext("//test:m_native"));
assertContainsEvent("misplaced here");
// Skip the part of the error message that has details about the allowed deps since the mocks
// for the mac tests might have different values for them.
assertContainsEvent(
". Since this "
+ "rule was created by the macro 'macro_native_rule', the error might have been caused "
+ "by the macro implementation");
}
@Test
public void hasCorrectLocationForRuleAttributeError_StarlarkRuleWithMacro() throws Exception {
setUpAttributeErrorTest();
assertThrows(Exception.class, () -> createRuleContext("//test:m_starlark"));
assertContainsEvent(
"ERROR /workspace/test/BUILD:4:20: in deps attribute of starlark_rule rule "
+ "//test:m_starlark: '//test:jlib' does not have mandatory providers:"
+ " 'some_provider'. "
+ "Since this rule was created by the macro 'macro_starlark_rule', the error might "
+ "have been caused by the macro implementation");
}
@Test
public void hasCorrectLocationForRuleAttributeError_NativeRule() throws Exception {
setUpAttributeErrorTest();
assertThrows(Exception.class, () -> createRuleContext("//test:cclib"));
assertContainsEvent("misplaced here");
// Skip the part of the error message that has details about the allowed deps since the mocks
// for the mac tests might have different values for them.
assertDoesNotContainEvent("Since this rule was created by the macro");
}
@Test
public void hasCorrectLocationForRuleAttributeError_StarlarkRule() throws Exception {
setUpAttributeErrorTest();
assertThrows(Exception.class, () -> createRuleContext("//test:skyrule"));
assertContainsEvent(
"ERROR /workspace/test/BUILD:10:14: in deps attribute of "
+ "starlark_rule rule //test:skyrule: '//test:jlib' does not have mandatory providers: "
+ "'some_provider'");
}
@Test
public void testMandatoryProvidersListWithStarlark() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/BUILD",
"load('//test:rules.bzl', 'starlark_rule', 'my_rule', 'my_other_rule')",
"my_rule(name = 'mylib',",
" srcs = ['a.py'])",
"starlark_rule(name = 'skyrule1',",
" deps = [':mylib'])",
"my_other_rule(name = 'my_other_lib',",
" srcs = ['a.py'])",
"starlark_rule(name = 'skyrule2',",
" deps = [':my_other_lib'])");
scratch.file(
"test/rules.bzl",
"def _impl(ctx):",
" return",
"starlark_rule = rule(",
" implementation = _impl,",
" attrs = {",
" 'deps': attr.label_list(providers = [['a'], ['b', 'c']],",
" allow_files=True)",
" }",
")",
"def my_rule_impl(ctx):",
" return struct(a = [])",
"my_rule = rule(implementation = my_rule_impl, ",
" attrs = { 'srcs' : attr.label_list(allow_files=True)})",
"def my_other_rule_impl(ctx):",
" return struct(b = [])",
"my_other_rule = rule(implementation = my_other_rule_impl, ",
" attrs = { 'srcs' : attr.label_list(allow_files=True)})");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test:skyrule1")).isNotNull();
assertThrows(Exception.class, () -> createRuleContext("//test:skyrule2"));
assertContainsEvent(
"ERROR /workspace/test/BUILD:8:14: in deps attribute of "
+ "starlark_rule rule //test:skyrule2: '//test:my_other_lib' does not have "
+ "mandatory providers: 'a' or 'c'");
}
@Test
public void testMandatoryProvidersListWithNative() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/BUILD",
"load('//test:rules.bzl', 'my_rule', 'my_other_rule')",
"my_rule(name = 'mylib',",
" srcs = ['a.py'])",
"testing_rule_for_mandatory_providers(name = 'skyrule1',",
" deps = [':mylib'])",
"my_other_rule(name = 'my_other_lib',",
" srcs = ['a.py'])",
"testing_rule_for_mandatory_providers(name = 'skyrule2',",
" deps = [':my_other_lib'])");
scratch.file(
"test/rules.bzl",
"def my_rule_impl(ctx):",
" return struct(a = [])",
"my_rule = rule(implementation = my_rule_impl, ",
" attrs = { 'srcs' : attr.label_list(allow_files=True)})",
"def my_other_rule_impl(ctx):",
" return struct(b = [])",
"my_other_rule = rule(implementation = my_other_rule_impl, ",
" attrs = { 'srcs' : attr.label_list(allow_files=True)})");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test:skyrule1")).isNotNull();
assertThrows(Exception.class, () -> createRuleContext("//test:skyrule2"));
assertContainsEvent(
"ERROR /workspace/test/BUILD:8:37: in deps attribute of "
+ "testing_rule_for_mandatory_providers rule //test:skyrule2: '//test:my_other_lib' "
+ "does not have mandatory providers: 'a' or 'c'");
}
/* Sharing setup code between the testPackageBoundaryError*() methods is not possible since the
* errors already happen when loading the file. Consequently, all tests would fail at the same
* statement. */
@Test
public void testPackageBoundaryError_nativeRule() throws Exception {
scratch.file("test/BUILD", "cc_library(name = 'cclib',", " srcs = ['sub/my_sub_lib.h'])");
scratch.file("test/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:cclib");
assertContainsEvent(
"ERROR /workspace/test/BUILD:1:11: Label '//test:sub/my_sub_lib.h' is invalid because "
+ "'test/sub' is a subpackage; perhaps you meant to put the colon here: "
+ "'//test/sub:my_sub_lib.h'?");
}
@Test
public void testPackageBoundaryError_starlarkRule() throws Exception {
scratch.file(
"test/BUILD",
"load('//test:macros.bzl', 'starlark_rule')",
"starlark_rule(name = 'skyrule',",
" srcs = ['sub/my_sub_lib.h'])");
scratch.file("test/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
scratch.file(
"test/macros.bzl",
"def _impl(ctx):",
" return",
"starlark_rule = rule(",
" implementation = _impl,",
" attrs = {",
" 'srcs': attr.label_list(allow_files=True)",
" }",
")");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:skyrule");
assertContainsEvent(
"ERROR /workspace/test/BUILD:2:14: Label '//test:sub/my_sub_lib.h' is invalid because "
+ "'test/sub' is a subpackage; perhaps you meant to put the colon here: "
+ "'//test/sub:my_sub_lib.h'?");
}
@Test
public void testPackageBoundaryError_starlarkMacro() throws Exception {
scratch.file(
"test/BUILD",
"load('//test:macros.bzl', 'macro_starlark_rule')",
"macro_starlark_rule(name = 'm_starlark',",
" srcs = ['sub/my_sub_lib.h'])");
scratch.file("test/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
scratch.file(
"test/macros.bzl",
"def _impl(ctx):",
" return",
"starlark_rule = rule(",
" implementation = _impl,",
" attrs = {",
" 'srcs': attr.label_list(allow_files=True)",
" }",
")",
"def macro_starlark_rule(name, srcs=[]):",
" starlark_rule(name = name, srcs = srcs)");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:m_starlark");
assertContainsEvent(
"ERROR /workspace/test/BUILD:2:20: Label '//test:sub/my_sub_lib.h' is invalid because"
+ " 'test/sub' is a subpackage; perhaps you meant to put the colon here: "
+ "'//test/sub:my_sub_lib.h'?");
}
/* The error message for this case used to be wrong. */
@Test
public void testPackageBoundaryError_externalRepository_boundary() throws Exception {
scratch.file("r/WORKSPACE");
scratch.file("r/BUILD");
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='r')")
.build());
scratch.file("BUILD", "cc_library(name = 'cclib',", " srcs = ['r/my_sub_lib.h'])");
invalidatePackages(
/*alsoConfigs=*/ false); // Repository shuffling messes with toolchain labels.
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//:cclib");
assertContainsEvent(
"/workspace/BUILD:1:11: Label '//:r/my_sub_lib.h' is invalid because "
+ "'@r//' is a subpackage");
}
/* The error message for this case used to be wrong. */
@Test
public void testPackageBoundaryError_externalRepository_entirelyInside() throws Exception {
scratch.file("/r/WORKSPACE");
scratch.file("/r/BUILD", "cc_library(name = 'cclib',", " srcs = ['sub/my_sub_lib.h'])");
scratch.file("/r/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='/r')")
.build());
invalidatePackages(
/*alsoConfigs=*/ false); // Repository shuffling messes with toolchain labels.
reporter.removeHandler(failFastHandler);
getConfiguredTarget("@r//:cclib");
assertContainsEvent(
"/external/r/BUILD:1:11: Label '@r//:sub/my_sub_lib.h' is invalid because "
+ "'@r//sub' is a subpackage; perhaps you meant to put the colon here: "
+ "'@r//sub:my_sub_lib.h'?");
}
/*
* Making the location in BUILD file the default for "crosses boundary of subpackage" errors does
* not work in this case since the error actually happens in the bzl file. However, because of
* the current design, we can neither show the location in the bzl file nor display both
* locations (BUILD + bzl).
*
* Since this case is less common than having such an error in a BUILD file, we can live
* with it.
*/
@Test
public void testPackageBoundaryError_starlarkMacroWithErrorInBzlFile() throws Exception {
scratch.file(
"test/BUILD",
"load('//test:macros.bzl', 'macro_starlark_rule')",
"macro_starlark_rule(name = 'm_starlark')");
scratch.file("test/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
scratch.file(
"test/macros.bzl",
"def _impl(ctx):",
" return",
"starlark_rule = rule(",
" implementation = _impl,",
" attrs = {",
" 'srcs': attr.label_list(allow_files=True)",
" }",
")",
"def macro_starlark_rule(name, srcs=[]):",
" starlark_rule(name = name, srcs = srcs + ['sub/my_sub_lib.h'])");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:m_starlark");
assertContainsEvent(
"ERROR /workspace/test/BUILD:2:20: Label '//test:sub/my_sub_lib.h' "
+ "is invalid because 'test/sub' is a subpackage");
}
@Test
public void testPackageBoundaryError_nativeMacro() throws Exception {
scratch.file(
"test/BUILD",
"load('//test:macros.bzl', 'macro_native_rule')",
"macro_native_rule(name = 'm_native',",
" srcs = ['sub/my_sub_lib.h'])");
scratch.file("test/sub/BUILD", "cc_library(name = 'my_sub_lib', srcs = ['my_sub_lib.h'])");
scratch.file(
"test/macros.bzl",
"def macro_native_rule(name, deps=[], srcs=[]): ",
" native.cc_library(name = name, deps = deps, srcs = srcs)");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:m_native");
assertContainsEvent(
"ERROR /workspace/test/BUILD:2:18: Label '//test:sub/my_sub_lib.h' "
+ "is invalid because 'test/sub' is a subpackage");
}
@Test
public void shouldGetPrerequisiteArtifacts() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.files.srcs");
assertArtifactList(result, ImmutableList.of("a.txt", "b.img"));
}
private static void assertArtifactList(Object result, List<String> artifacts) {
assertThat(result).isInstanceOf(Sequence.class);
Sequence<?> resultList = (Sequence) result;
assertThat(resultList).hasSize(artifacts.size());
int i = 0;
for (String artifact : artifacts) {
assertThat(((Artifact) resultList.get(i++)).getFilename()).isEqualTo(artifact);
}
}
@Test
public void shouldGetPrerequisites() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:bar");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.srcs");
// Check for a known provider
TransitiveInfoCollection tic1 = (TransitiveInfoCollection) ((Sequence) result).get(0);
assertThat(JavaInfo.getProvider(JavaSourceJarsProvider.class, tic1)).isNotNull();
// Check an unimplemented provider too
assertThat(PyProviderUtils.hasLegacyProvider(tic1)).isFalse();
}
@Test
public void shouldGetPrerequisite() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:asr");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.srcjar");
TransitiveInfoCollection tic = (TransitiveInfoCollection) result;
assertThat(tic).isInstanceOf(FileConfiguredTarget.class);
assertThat(tic.getLabel().getName()).isEqualTo("asr-src.jar");
}
@Test
public void testGetRuleAttributeListType() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.outs");
assertThat(result).isInstanceOf(Sequence.class);
}
@Test
public void testGetRuleSelect() throws Exception {
scratch.file("test/starlark/BUILD");
scratch.file(
"test/starlark/rulestr.bzl", "def rule_dict(name):", " return native.existing_rule(name)");
scratch.file(
"test/getrule/BUILD",
"load('//test/starlark:rulestr.bzl', 'rule_dict')",
"cc_library(name ='x', ",
" srcs = select({'//conditions:default': []})",
")",
"rule_dict('x')");
// Parse the BUILD file, to make sure select() makes it out of native.rule().
createRuleContext("//test/getrule:x");
}
@Test
public void testExistingRuleReturnNone() throws Exception {
scratch.file(
"test/rulestr.bzl",
"def test_rule(name, x):",
" print(native.existing_rule(x))",
" if native.existing_rule(x) == None:",
" native.cc_library(name = name)");
scratch.file(
"test/BUILD",
"load('//test:rulestr.bzl', 'test_rule')",
"test_rule('a', 'does not exist')",
"test_rule('b', 'BUILD')");
assertThat(getConfiguredTarget("//test:a")).isNotNull();
assertThat(getConfiguredTarget("//test:b")).isNotNull();
}
@Test
public void existingRuleWithSelect() throws Exception {
scratch.file(
"test/existing_rule.bzl",
"def macro():",
" s = select({'//foo': ['//bar']})",
" native.cc_library(name = 'x', srcs = s)",
" print(native.existing_rule('x')['srcs'])");
scratch.file(
"test/BUILD",
"load('//test:existing_rule.bzl', 'macro')",
"macro()",
"cc_library(name = 'a', srcs = [])");
getConfiguredTarget("//test:a");
assertContainsEvent("select({Label(\"//foo:foo\"): [Label(\"//bar:bar\")]})");
}
@Test
public void testGetRule() throws Exception {
scratch.file("test/starlark/BUILD");
scratch.file(
"test/starlark/rulestr.bzl",
"def rule_dict(name):",
" return native.existing_rule(name)",
"def rules_dict():",
" return native.existing_rules()",
"def nop(ctx):",
" pass",
"nop_rule = rule(attrs = {'x': attr.label()}, implementation = nop)",
"consume_rule = rule(attrs = {'s': attr.string_list()}, implementation = nop)");
scratch.file(
"test/getrule/BUILD",
"load('//test/starlark:rulestr.bzl', 'rules_dict', 'rule_dict', 'nop_rule',"
+ "'consume_rule')",
"genrule(name = 'a', outs = ['a.txt'], ",
" licenses = ['notice'],",
" output_to_bindir = False,",
" tools = [ '//test:bla' ], cmd = 'touch $@')",
"nop_rule(name = 'c', x = ':a')",
"rlist= rules_dict()",
"consume_rule(name = 'all_str', s = [rlist['a']['kind'], rlist['a']['name'], ",
" rlist['c']['kind'], rlist['c']['name']])",
"adict = rule_dict('a')",
"cdict = rule_dict('c')",
"consume_rule(name = 'a_str', ",
" s = [adict['kind'], adict['name'], adict['outs'][0], adict['tools'][0]])",
"consume_rule(name = 'genrule_attr', ",
" s = adict.keys())",
"consume_rule(name = 'c_str', s = [cdict['kind'], cdict['name'], cdict['x']])");
StarlarkRuleContext allContext = createRuleContext("//test/getrule:all_str");
setRuleContext(allContext);
List<?> result = (List) ev.eval("ruleContext.attr.s");
assertThat(result).containsExactly("genrule", "a", "nop_rule", "c");
setRuleContext(createRuleContext("//test/getrule:a_str"));
result = (List) ev.eval("ruleContext.attr.s");
assertThat(result).containsExactly("genrule", "a", ":a.txt", "//test:bla");
setRuleContext(createRuleContext("//test/getrule:c_str"));
result = (List) ev.eval("ruleContext.attr.s");
assertThat(result).containsExactly("nop_rule", "c", ":a");
setRuleContext(createRuleContext("//test/getrule:genrule_attr"));
result = (List) ev.eval("ruleContext.attr.s");
assertThat(result)
.containsAtLeast(
"name",
"visibility",
"transitive_configs",
"tags",
"generator_name",
"generator_function",
"generator_location",
"features",
"compatible_with",
"target_compatible_with",
"restricted_to",
"srcs",
"tools",
"toolchains",
"outs",
"cmd",
"output_to_bindir",
"local",
"message",
"executable",
"stamp",
"heuristic_label_expansion",
"kind");
}
@Test
public void testExistingRuleDictIsMutable() throws Exception {
scratch.file(
"test/BUILD",
"load('inc.bzl', 'f')", //
"f()");
scratch.file(
"test/inc.bzl", //
"def f():",
" native.config_setting(name='x', define_values={'key': 'value'})",
" r = native.existing_rule('x')",
" r['define_values']['key'] = 123"); // mutate the dict
// Logically this belongs among the loading-phase tests of existing_rules. Where are they?
assertThat(getConfiguredTarget("//test:BUILD")).isNotNull(); // no error
}
@Test
public void testGetRuleAttributeListValue() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.outs");
assertThat(((Sequence) result)).hasSize(1);
}
@Test
public void testGetRuleAttributeListValueNoGet() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.outs");
assertThat(((Sequence) result)).hasSize(1);
}
@Test
public void testGetRuleAttributeStringTypeValue() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.cmd");
assertThat((String) result).isEqualTo("dummy_cmd");
}
@Test
public void testGetRuleAttributeStringTypeValueNoGet() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.attr.cmd");
assertThat((String) result).isEqualTo("dummy_cmd");
}
@Test
public void testGetRuleAttributeBadAttributeName() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
ev.checkEvalErrorContains("No attribute 'bad'", "ruleContext.attr.bad");
}
@Test
public void testGetLabel() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.label");
assertThat(((Label) result).toString()).isEqualTo("//foo:foo");
}
@Test
public void testRuleError() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
ev.checkEvalErrorContains("message", "fail('message')");
}
@Test
public void testAttributeError() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
ev.checkEvalErrorContains("attribute srcs: message", "fail(attr='srcs', msg='message')");
}
@Test
public void testGetExecutablePrerequisite() throws Exception {
setRuleContext(createRuleContext("//foo:androidlib"));
Object result = ev.eval("ruleContext.executable._idlclass");
assertThat(((Artifact) result).getFilename()).matches("^IdlClass(\\.exe){0,1}$");
}
@Test
public void testCreateSpawnActionArgumentsWithExecutableFilesToRunProvider() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:androidlib");
setRuleContext(ruleContext);
ev.exec(
"ruleContext.actions.run(",
" inputs = ruleContext.files.srcs,",
" outputs = ruleContext.files.srcs,",
" arguments = ['--a','--b'],",
" executable = ruleContext.executable._idlclass)");
StarlarkAction action =
(StarlarkAction)
Iterables.getOnlyElement(
ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions());
assertThat(action.getCommandFilename()).matches("^.*/IdlClass(\\.exe){0,1}$");
}
@Test
public void testCreateStarlarkActionArgumentsWithUnusedInputsList() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
ev.exec(
"ruleContext.actions.run(",
" inputs = ruleContext.files.srcs,",
" outputs = ruleContext.files.srcs,",
" executable = 'executable',",
" unused_inputs_list = ruleContext.files.srcs[0])");
StarlarkAction action =
(StarlarkAction)
Iterables.getOnlyElement(
ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions());
assertThat(action.getUnusedInputsList()).isPresent();
assertThat(action.getUnusedInputsList().get().getFilename()).isEqualTo("a.txt");
assertThat(action.discoversInputs()).isTrue();
assertThat(action.isShareable()).isFalse();
}
@Test
public void testCreateStarlarkActionArgumentsWithoutUnusedInputsList() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
ev.exec(
"ruleContext.actions.run(",
" inputs = ruleContext.files.srcs,",
" outputs = ruleContext.files.srcs,",
" executable = 'executable',",
" unused_inputs_list = None)");
StarlarkAction action =
(StarlarkAction)
Iterables.getOnlyElement(
ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions());
assertThat(action.getUnusedInputsList()).isEmpty();
assertThat(action.discoversInputs()).isFalse();
}
@Test
public void testOutputs() throws Exception {
setRuleContext(createRuleContext("//foo:bar"));
Iterable<?> result = (Iterable) ev.eval("ruleContext.outputs.outs");
assertThat(((Artifact) Iterables.getOnlyElement(result)).getFilename()).isEqualTo("d.txt");
}
@Test
public void testStarlarkRuleContextGetDefaultShellEnv() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.configuration.default_shell_env");
assertThat(result).isInstanceOf(Dict.class);
}
@Test
public void testCheckPlaceholders() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.check_placeholders('%{name}', ['name'])");
assertThat(result).isEqualTo(true);
}
@Test
public void testCheckPlaceholdersBadPlaceholder() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.check_placeholders('%{name}', ['abc'])");
assertThat(result).isEqualTo(false);
}
@Test
public void testExpandMakeVariables() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.expand_make_variables('cmd', '$(ABC)', {'ABC': 'DEF'})");
assertThat(result).isEqualTo("DEF");
}
@Test
public void testExpandMakeVariablesShell() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.expand_make_variables('cmd', '$$ABC', {})");
assertThat(result).isEqualTo("$ABC");
}
private void setUpMakeVarToolchain() throws Exception {
scratch.file(
"vars/vars.bzl",
"def _make_var_supplier_impl(ctx):",
" val = ctx.attr.value",
" return [platform_common.TemplateVariableInfo({'MAKE_VAR_VALUE': val})]",
"make_var_supplier = rule(",
" implementation = _make_var_supplier_impl,",
" attrs = {",
" 'value': attr.string(mandatory = True),",
" })",
"def _make_var_user_impl(ctx):",
" return []",
"make_var_user = rule(",
" implementation = _make_var_user_impl,",
")");
scratch.file(
"vars/BUILD",
"load(':vars.bzl', 'make_var_supplier', 'make_var_user')",
"make_var_supplier(name = 'supplier', value = 'foo')",
"cc_toolchain_alias(name = 'current_cc_toolchain')",
"make_var_user(",
" name = 'vars',",
" toolchains = [':supplier', ':current_cc_toolchain'],",
")");
}
@Test
public void testExpandMakeVariables_cc() throws Exception {
setUpMakeVarToolchain();
setRuleContext(createRuleContext("//vars:vars"));
String result = (String) ev.eval("ruleContext.expand_make_variables('cmd', '$(CC)', {})");
assertThat(result).isNotEmpty();
}
@Test
public void testExpandMakeVariables_toolchain() throws Exception {
setUpMakeVarToolchain();
setRuleContext(createRuleContext("//vars:vars"));
Object result = ev.eval("ruleContext.expand_make_variables('cmd', '$(MAKE_VAR_VALUE)', {})");
assertThat(result).isEqualTo("foo");
}
@Test
public void testVar_toolchain() throws Exception {
setUpMakeVarToolchain();
setRuleContext(createRuleContext("//vars:vars"));
Object result = ev.eval("ruleContext.var['MAKE_VAR_VALUE']");
assertThat(result).isEqualTo("foo");
}
@Test
public void testConfiguration() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.configuration");
assertThat(ruleContext.getRuleContext().getConfiguration()).isSameInstanceAs(result);
}
@Test
public void testFeatures() throws Exception {
setRuleContext(createRuleContext("//foo:cc_with_features"));
Object result = ev.eval("ruleContext.features");
assertThat((Sequence) result).containsExactly("f1", "f2");
}
@Test
public void testDisabledFeatures() throws Exception {
setRuleContext(createRuleContext("//foo:cc_with_features"));
Object result = ev.eval("ruleContext.disabled_features");
assertThat((Sequence) result).containsExactly("f3");
}
@Test
public void testHostConfiguration() throws Exception {
StarlarkRuleContext ruleContext = createRuleContext("//foo:foo");
setRuleContext(ruleContext);
Object result = ev.eval("ruleContext.host_configuration");
assertThat(ruleContext.getRuleContext().getHostConfiguration()).isSameInstanceAs(result);
}
@Test
public void testWorkspaceName() throws Exception {
assertThat(ruleClassProvider.getRunfilesPrefix()).isNotNull();
assertThat(ruleClassProvider.getRunfilesPrefix()).isNotEmpty();
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.workspace_name");
assertThat(ruleClassProvider.getRunfilesPrefix()).isEqualTo(result);
}
@Test
public void testDeriveArtifactLegacy() throws Exception {
setBuildLanguageOptions("--incompatible_new_actions_api=false");
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.new_file(ruleContext.genfiles_dir," + " 'a/b.txt')");
PathFragment fragment = ((Artifact) result).getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/a/b.txt");
}
@Test
public void testDeriveArtifact() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.actions.declare_file('a/b.txt')");
PathFragment fragment = ((Artifact) result).getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/a/b.txt");
}
@Test
public void testDeriveTreeArtifact() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result = ev.eval("ruleContext.actions.declare_directory('a/b')");
Artifact artifact = (Artifact) result;
PathFragment fragment = artifact.getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/a/b");
assertThat(artifact.isTreeArtifact()).isTrue();
}
@Test
public void testDeriveTreeArtifactType() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
String result = (String) ev.eval("type(ruleContext.actions.declare_directory('a/b'))");
assertThat(result).isEqualTo("File");
}
@Test
public void testDeriveTreeArtifactNextToSibling() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Artifact artifact =
(Artifact)
ev.eval(
"ruleContext.actions.declare_directory('c',"
+ " sibling=ruleContext.actions.declare_directory('a/b'))");
PathFragment fragment = artifact.getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/a/c");
assertThat(artifact.isTreeArtifact()).isTrue();
}
@Test
public void testParamFileLegacy() throws Exception {
setBuildLanguageOptions("--incompatible_new_actions_api=false");
setRuleContext(createRuleContext("//foo:foo"));
Object result =
ev.eval(
"ruleContext.new_file(ruleContext.bin_dir," + "ruleContext.files.tools[0], '.params')");
PathFragment fragment = ((Artifact) result).getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/t.exe.params");
}
@Test
public void testParamFileSuffixLegacy() throws Exception {
setBuildLanguageOptions("--incompatible_new_actions_api=false");
setRuleContext(createRuleContext("//foo:foo"));
Object result =
ev.eval(
"ruleContext.new_file(ruleContext.files.tools[0], "
+ "ruleContext.files.tools[0].basename + '.params')");
PathFragment fragment = ((Artifact) result).getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/t.exe.params");
}
@Test
public void testParamFileSuffix() throws Exception {
setRuleContext(createRuleContext("//foo:foo"));
Object result =
ev.eval(
"ruleContext.actions.declare_file(ruleContext.files.tools[0].basename + '.params', "
+ "sibling = ruleContext.files.tools[0])");
PathFragment fragment = ((Artifact) result).getRootRelativePath();
assertThat(fragment.getPathString()).isEqualTo("foo/t.exe.params");
}
@Test