// 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.testing.junit.runner.junit4;
import com.google.testing.junit.runner.util.Factory;
import com.google.testing.junit.runner.util.Supplier;
/**
* A factory that supplies a top level suite {@link String}.
*/
public final class TopLevelSuiteNameFactory implements Factory<String> {
private final Supplier<Class<?>> suiteSupplier;
public TopLevelSuiteNameFactory(Supplier<Class<?>> suiteSupplier) {
assert suiteSupplier != null;
this.suiteSupplier = suiteSupplier;
}
@Override
public String get() {
String topLevelSuiteName =
JUnit4InstanceModules.SuiteClass.topLevelSuiteName(suiteSupplier.get());
if (topLevelSuiteName == null) {
throw new NullPointerException();
}
return topLevelSuiteName;
}
public static Factory<String> create(Supplier<Class<?>> suiteSupplier) {
return new TopLevelSuiteNameFactory(suiteSupplier);
}
}