/*
* Copyright 2015-present Facebook, Inc.
*
* 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.facebook.buck.jvm.java;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import com.facebook.buck.event.BuckEventBusFactory;
import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.model.BuildTargetFactory;
import com.facebook.buck.rules.BuildRuleResolver;
import com.facebook.buck.rules.DefaultTargetNodeToBuildRuleTransformer;
import com.facebook.buck.rules.SourcePathResolver;
import com.facebook.buck.rules.SourcePathRuleFinder;
import com.facebook.buck.rules.TargetGraph;
import com.facebook.buck.step.ExecutionContext;
import com.facebook.buck.step.StepExecutionResult;
import com.facebook.buck.step.TestExecutionContext;
import com.facebook.buck.testutil.FakeProjectFilesystem;
import com.facebook.buck.testutil.TestConsole;
import com.facebook.buck.util.FakeProcess;
import com.facebook.buck.util.FakeProcessExecutor;
import com.google.common.base.Functions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedSet;
import java.nio.file.Paths;
import java.util.Optional;
import org.junit.Test;
public class JavacStepTest {
@Test
public void successfulCompileDoesNotSendStdoutAndStderrToConsole() throws Exception {
FakeJavac fakeJavac = new FakeJavac();
BuildRuleResolver buildRuleResolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(buildRuleResolver);
SourcePathResolver sourcePathResolver = new SourcePathResolver(ruleFinder);
ProjectFilesystem fakeFilesystem = FakeProjectFilesystem.createJavaOnlyFilesystem();
JavacOptions javacOptions =
JavacOptions.builder().setSourceLevel("8.0").setTargetLevel("8.0").build();
ClasspathChecker classpathChecker =
new ClasspathChecker(
"/", ":", Paths::get, dir -> false, file -> false, (path, glob) -> ImmutableSet.of());
JavacStep step =
new JavacStep(
Paths.get("output"),
NoOpClassUsageFileWriter.instance(),
Optional.empty(),
ImmutableSortedSet.of(),
Paths.get("pathToSrcsList"),
ImmutableSortedSet.of(),
fakeJavac,
javacOptions,
BuildTargetFactory.newInstance("//foo:bar"),
sourcePathResolver,
fakeFilesystem,
classpathChecker,
Optional.empty());
FakeProcess fakeJavacProcess = new FakeProcess(0, "javac stdout\n", "javac stderr\n");
ExecutionContext executionContext =
TestExecutionContext.newBuilder()
.setProcessExecutor(
new FakeProcessExecutor(Functions.constant(fakeJavacProcess), new TestConsole()))
.build();
BuckEventBusFactory.CapturingConsoleEventListener listener =
new BuckEventBusFactory.CapturingConsoleEventListener();
executionContext.getBuckEventBus().register(listener);
StepExecutionResult result = step.execute(executionContext);
// Note that we don't include stderr in the step result on success.
assertThat(result, equalTo(StepExecutionResult.SUCCESS));
assertThat(listener.getLogMessages(), empty());
}
@Test
public void failedCompileSendsStdoutAndStderrToConsole() throws Exception {
FakeJavac fakeJavac = new FakeJavac();
BuildRuleResolver buildRuleResolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(buildRuleResolver);
SourcePathResolver sourcePathResolver = new SourcePathResolver(ruleFinder);
ProjectFilesystem fakeFilesystem = FakeProjectFilesystem.createJavaOnlyFilesystem();
JavacOptions javacOptions =
JavacOptions.builder().setSourceLevel("8.0").setTargetLevel("8.0").build();
ClasspathChecker classpathChecker =
new ClasspathChecker(
"/", ":", Paths::get, dir -> false, file -> false, (path, glob) -> ImmutableSet.of());
JavacStep step =
new JavacStep(
Paths.get("output"),
NoOpClassUsageFileWriter.instance(),
Optional.empty(),
ImmutableSortedSet.of(),
Paths.get("pathToSrcsList"),
ImmutableSortedSet.of(),
fakeJavac,
javacOptions,
BuildTargetFactory.newInstance("//foo:bar"),
sourcePathResolver,
fakeFilesystem,
classpathChecker,
Optional.empty());
FakeProcess fakeJavacProcess = new FakeProcess(1, "javac stdout\n", "javac stderr\n");
ExecutionContext executionContext =
TestExecutionContext.newBuilder()
.setProcessExecutor(
new FakeProcessExecutor(Functions.constant(fakeJavacProcess), new TestConsole()))
.build();
BuckEventBusFactory.CapturingConsoleEventListener listener =
new BuckEventBusFactory.CapturingConsoleEventListener();
executionContext.getBuckEventBus().register(listener);
StepExecutionResult result = step.execute(executionContext);
// JavacStep itself writes stdout to the console on error; we expect the Build class to write
// the stderr stream returned in the StepExecutionResult
assertThat(result, equalTo(StepExecutionResult.of(1, Optional.of("javac stderr\n"))));
assertThat(listener.getLogMessages(), equalTo(ImmutableList.of("javac stdout\n")));
}
@Test
public void existingBootclasspathDirSucceeds() throws Exception {
FakeJavac fakeJavac = new FakeJavac();
BuildRuleResolver buildRuleResolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(buildRuleResolver);
SourcePathResolver sourcePathResolver = new SourcePathResolver(ruleFinder);
ProjectFilesystem fakeFilesystem = FakeProjectFilesystem.createJavaOnlyFilesystem();
JavacOptions javacOptions =
JavacOptions.builder()
.setSourceLevel("8.0")
.setTargetLevel("8.0")
.setBootclasspath("/this-totally-exists")
.build();
ClasspathChecker classpathChecker =
new ClasspathChecker(
"/", ":", Paths::get, dir -> true, file -> false, (path, glob) -> ImmutableSet.of());
JavacStep step =
new JavacStep(
Paths.get("output"),
NoOpClassUsageFileWriter.instance(),
Optional.empty(),
ImmutableSortedSet.of(),
Paths.get("pathToSrcsList"),
ImmutableSortedSet.of(),
fakeJavac,
javacOptions,
BuildTargetFactory.newInstance("//foo:bar"),
sourcePathResolver,
fakeFilesystem,
classpathChecker,
Optional.empty());
FakeProcess fakeJavacProcess = new FakeProcess(0, "javac stdout\n", "javac stderr\n");
ExecutionContext executionContext =
TestExecutionContext.newBuilder()
.setProcessExecutor(
new FakeProcessExecutor(Functions.constant(fakeJavacProcess), new TestConsole()))
.build();
BuckEventBusFactory.CapturingConsoleEventListener listener =
new BuckEventBusFactory.CapturingConsoleEventListener();
executionContext.getBuckEventBus().register(listener);
StepExecutionResult result = step.execute(executionContext);
assertThat(result, equalTo(StepExecutionResult.SUCCESS));
assertThat(listener.getLogMessages(), empty());
}
@Test
public void missingBootclasspathDirFailsWithError() throws Exception {
FakeJavac fakeJavac = new FakeJavac();
BuildRuleResolver buildRuleResolver =
new BuildRuleResolver(TargetGraph.EMPTY, new DefaultTargetNodeToBuildRuleTransformer());
SourcePathRuleFinder ruleFinder = new SourcePathRuleFinder(buildRuleResolver);
SourcePathResolver sourcePathResolver = new SourcePathResolver(ruleFinder);
ProjectFilesystem fakeFilesystem = FakeProjectFilesystem.createJavaOnlyFilesystem();
JavacOptions javacOptions =
JavacOptions.builder()
.setSourceLevel("8.0")
.setTargetLevel("8.0")
.setBootclasspath("/no-such-dir")
.build();
ClasspathChecker classpathChecker =
new ClasspathChecker(
"/", ":", Paths::get, dir -> false, file -> false, (path, glob) -> ImmutableSet.of());
JavacStep step =
new JavacStep(
Paths.get("output"),
NoOpClassUsageFileWriter.instance(),
Optional.empty(),
ImmutableSortedSet.of(),
Paths.get("pathToSrcsList"),
ImmutableSortedSet.of(),
fakeJavac,
javacOptions,
BuildTargetFactory.newInstance("//foo:bar"),
sourcePathResolver,
fakeFilesystem,
classpathChecker,
Optional.empty());
FakeProcess fakeJavacProcess = new FakeProcess(1, "javac stdout\n", "javac stderr\n");
ExecutionContext executionContext =
TestExecutionContext.newBuilder()
.setProcessExecutor(
new FakeProcessExecutor(Functions.constant(fakeJavacProcess), new TestConsole()))
.build();
BuckEventBusFactory.CapturingConsoleEventListener listener =
new BuckEventBusFactory.CapturingConsoleEventListener();
executionContext.getBuckEventBus().register(listener);
StepExecutionResult result = step.execute(executionContext);
assertThat(result, equalTo(StepExecutionResult.ERROR));
assertThat(
listener.getLogMessages(),
equalTo(
ImmutableList.of(
"Invalid Java compiler options: Bootstrap classpath /no-such-dir "
+ "contains no valid entries")));
}
}