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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.runtime;
import static org.junit.Assert.assertEquals;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.devtools.build.lib.analysis.BlazeDirectories;
import com.google.devtools.build.lib.analysis.ConfigurationCollectionFactory;
import com.google.devtools.build.lib.analysis.config.ConfigurationFactory;
import com.google.devtools.build.lib.runtime.BlazeCommandDispatcher.ShutdownBlazeServerException;
import com.google.devtools.build.lib.testutil.Scratch;
import com.google.devtools.build.lib.util.ExitCode;
import com.google.devtools.build.lib.util.io.RecordingOutErr;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionsBase;
import com.google.devtools.common.options.OptionsParser;
import com.google.devtools.common.options.OptionsProvider;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mockito;
import java.util.List;
/**
* Tests the handling of rc-options in {@link BlazeCommandDispatcher}.
*/
@RunWith(JUnit4.class)
public class BlazeCommandDispatcherRcoptionsTest {
/**
* Example options to be used by the tests.
*/
public static class FooOptions extends OptionsBase {
@Option(name = "numoption", defaultValue = "0")
public int numOption;
}
@Command(
name = "reportnum",
options = {FooOptions.class},
shortDescription = "",
help = ""
)
private static class ReportNumCommand implements BlazeCommand {
@Override
public ExitCode exec(CommandEnvironment env, OptionsProvider options)
throws ShutdownBlazeServerException {
FooOptions fooOptions = options.getOptions(FooOptions.class);
env.getReporter().getOutErr().printOut("" + fooOptions.numOption);
return ExitCode.SUCCESS;
}
@Override
public void editOptions(CommandEnvironment env, OptionsParser optionsParser) {}
}
private final Scratch scratch = new Scratch();
private final RecordingOutErr outErr = new RecordingOutErr();
private final ReportNumCommand reportNum = new ReportNumCommand();
private BlazeRuntime runtime;
@Before
public final void initializeRuntime() throws Exception {
BlazeDirectories directories =
new BlazeDirectories(
scratch.dir("install_base"), scratch.dir("output_base"), scratch.dir("pkg"));
this.runtime =
new BlazeRuntime.Builder()
.setDirectories(directories)
.setStartupOptionsProvider(
OptionsParser.newOptionsParser(BlazeServerStartupOptions.class))
.setConfigurationFactory(
new ConfigurationFactory(Mockito.mock(ConfigurationCollectionFactory.class)))
.build();
}
@Test
public void testCommonUsed() throws Exception {
List<String> blazercOpts =
ImmutableList.of(
"--rc_source=/home/jrluser/.blazerc", "--default_override=0:common=--numoption=99");
BlazeCommandDispatcher dispatch = new BlazeCommandDispatcher(runtime, reportNum);
List<String> cmdLine = Lists.newArrayList("reportnum");
cmdLine.addAll(blazercOpts);
dispatch.exec(cmdLine, outErr);
String out = outErr.outAsLatin1();
assertEquals("Common options should be used", "99", out);
}
@Test
public void testSpecificOptionsWin() throws Exception {
List<String> blazercOpts =
ImmutableList.of(
"--rc_source=/home/jrluser/.blazerc",
"--default_override=0:reportnum=--numoption=42",
"--default_override=0:common=--numoption=99");
BlazeCommandDispatcher dispatch = new BlazeCommandDispatcher(runtime, reportNum);
List<String> cmdLine = Lists.newArrayList("reportnum");
cmdLine.addAll(blazercOpts);
dispatch.exec(cmdLine, outErr);
String out = outErr.outAsLatin1();
assertEquals("Specific options should dominate common options", "42", out);
}
@Test
public void testSpecificOptionsWinOtherOrder() throws Exception {
List<String> blazercOpts =
ImmutableList.of(
"--rc_source=/home/jrluser/.blazerc",
"--default_override=0:common=--numoption=99",
"--default_override=0:reportnum=--numoption=42");
BlazeCommandDispatcher dispatch = new BlazeCommandDispatcher(runtime, reportNum);
List<String> cmdLine = Lists.newArrayList("reportnum");
cmdLine.addAll(blazercOpts);
dispatch.exec(cmdLine, outErr);
String out = outErr.outAsLatin1();
assertEquals("Specific options should dominate common options", "42", out);
}
}
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