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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.runtime;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
import com.google.devtools.build.lib.testutil.MoreAsserts;
import com.google.devtools.build.lib.util.ExitCode;
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.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
* Tests {@link BlazeCommand}.
*/
@RunWith(JUnit4.class)
public class AbstractCommandTest {
public static class FooOptions extends OptionsBase {
@Option(name = "foo", category = "one", defaultValue = "0")
public int foo;
}
public static class BarOptions extends OptionsBase {
@Option(name = "bar", category = "two", defaultValue = "42")
public int foo;
@Option(name = "baz", category = "one", defaultValue = "oops")
public String baz;
}
private static class ConcreteCommand implements BlazeCommand {
@Override
public ExitCode exec(CommandEnvironment env, OptionsProvider options) {
throw new UnsupportedOperationException();
}
@Override
public void editOptions(CommandEnvironment env, OptionsParser optionsParser) {}
}
@Command(name = "test_name",
help = "Usage: some funny usage for %{command} ...;\n\n%{options}; end",
options = {FooOptions.class, BarOptions.class},
shortDescription = "a short description",
allowResidue = false)
private static class TestCommand extends ConcreteCommand {}
@Test
public void testGetNameYieldsAnnotatedName() {
assertEquals("test_name",
new TestCommand().getClass().getAnnotation(Command.class).name());
}
@Test
public void testGetOptionsYieldsAnnotatedOptions() {
ConfiguredRuleClassProvider ruleClassProvider = new ConfiguredRuleClassProvider.Builder()
.build();
MoreAsserts.assertSameContents(optionClassesWithDefault(FooOptions.class, BarOptions.class),
BlazeCommandUtils.getOptions(
TestCommand.class, ImmutableList.<BlazeModule>of(), ruleClassProvider));
}
/***************************************************************************
* The tests below test how a command interacts with the dispatcher except *
* for execution, which is tested in {@link BlazeCommandDispatcherTest}. *
***************************************************************************/
@Command(name = "a", options = {FooOptions.class}, shortDescription = "", help = "")
private static class CommandA extends ConcreteCommand {}
@Command(name = "b", options = {BarOptions.class}, inherits = {CommandA.class},
shortDescription = "", help = "")
private static class CommandB extends ConcreteCommand {}
@Test
public void testOptionsAreInherited() {
ConfiguredRuleClassProvider ruleClassProvider = new ConfiguredRuleClassProvider.Builder()
.build();
MoreAsserts.assertSameContents(optionClassesWithDefault(FooOptions.class),
BlazeCommandUtils.getOptions(
CommandA.class, ImmutableList.<BlazeModule>of(), ruleClassProvider));
MoreAsserts.assertSameContents(optionClassesWithDefault(FooOptions.class, BarOptions.class),
BlazeCommandUtils.getOptions(
CommandB.class, ImmutableList.<BlazeModule>of(), ruleClassProvider));
}
private Collection<Class<?>> optionClassesWithDefault(Class<?>... optionClasses) {
List<Class<?>> result = new ArrayList<>();
Collections.addAll(result, optionClasses);
result.add(BlazeCommandEventHandler.Options.class);
result.add(CommonCommandOptions.class);
return result;
}
}
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