| // Copyright 2014 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.skylark.util; |
| |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.analysis.skylark.SkylarkModules; |
| import com.google.devtools.build.lib.analysis.skylark.SkylarkRuleContext; |
| import com.google.devtools.build.lib.analysis.util.BuildViewTestCase; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.events.Event; |
| import com.google.devtools.build.lib.packages.BazelStarlarkContext; |
| import com.google.devtools.build.lib.packages.SymbolGenerator; |
| import com.google.devtools.build.lib.rules.platform.PlatformCommon; |
| import com.google.devtools.build.lib.syntax.Module; |
| import com.google.devtools.build.lib.syntax.Mutability; |
| import com.google.devtools.build.lib.syntax.Starlark; |
| import com.google.devtools.build.lib.syntax.StarlarkThread; |
| import com.google.devtools.build.lib.syntax.util.EvaluationTestCase; |
| import com.google.devtools.build.lib.testutil.TestConstants; |
| import org.junit.Before; |
| |
| /** |
| * A class to contain the common functionality for analysis-phase Skylark tests. The less stuff |
| * here, the better. |
| */ |
| public abstract class SkylarkTestCase extends BuildViewTestCase { |
| |
| protected EvaluationTestCase ev; |
| |
| // Subclasses must call this method after change SkylarkSemantics (among other things). |
| @Before |
| public final void reset() throws Exception { |
| ev = createEvaluationTestCase(); |
| } |
| |
| private EvaluationTestCase createEvaluationTestCase() throws Exception { |
| // Set up globals. |
| ImmutableMap.Builder<String, Object> env = ImmutableMap.builder(); |
| SkylarkModules.addSkylarkGlobalsToBuilder(env); |
| Starlark.addModule(env, new PlatformCommon()); |
| Module globals = Module.createForBuiltins(env.build()); |
| |
| EvaluationTestCase ev = |
| new EvaluationTestCase() { |
| @Override |
| public StarlarkThread newStarlarkThread() { |
| Mutability mu = Mutability.create("test"); |
| StarlarkThread thread = |
| StarlarkThread.builder(mu) |
| .setSemantics(getSkylarkSemantics()) |
| .setGlobals( |
| globals.withLabel( |
| Label.parseAbsoluteUnchecked("//test:label", /*defaultToMain=*/ false))) |
| .build(); |
| thread.setPrintHandler(StarlarkThread.makeDebugPrintHandler(getEventHandler())); |
| |
| // This StarlarkThread has no PackageContext, so attempts to create a rule will fail. |
| // Rule creation is tested by SkylarkIntegrationTest. |
| |
| new BazelStarlarkContext( |
| BazelStarlarkContext.Phase.LOADING, |
| TestConstants.TOOLS_REPOSITORY, |
| /*fragmentNameToClass=*/ null, |
| /*repoMapping=*/ ImmutableMap.of(), |
| new SymbolGenerator<>(new Object()), |
| /*analysisRuleLabel=*/ null) |
| .storeInThread(thread); |
| |
| return thread; |
| } |
| }; |
| ev.initialize(); |
| return ev; |
| } |
| |
| protected final Object eval(String... input) throws Exception { |
| return ev.eval(input); |
| } |
| |
| protected final void exec(String... lines) throws Exception { |
| ev.exec(lines); |
| } |
| |
| protected final void update(String name, Object value) throws Exception { |
| ev.update(name, value); |
| } |
| |
| protected final Object lookup(String name) throws Exception { |
| return ev.lookup(name); |
| } |
| |
| protected final void checkEvalErrorContains(String msg, String... input) throws Exception { |
| ev.checkEvalErrorContains(msg, input); |
| } |
| |
| protected final SkylarkRuleContext createRuleContext(String label) throws Exception { |
| return new SkylarkRuleContext(getRuleContextForSkylark(getConfiguredTarget(label)), null, |
| getSkylarkSemantics()); |
| } |
| |
| // Disable BuildViewTestCase's overload to avoid unintended calls. |
| @Override |
| protected final Event checkError(String x, String y) throws Exception { |
| throw new IllegalStateException("wrong method"); |
| } |
| |
| } |