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// Copyright 2010 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.common.base.Preconditions;
import com.google.common.base.Supplier;
import com.google.testing.junit.runner.model.TestSuiteModel;
import com.google.testing.junit.runner.model.TestSuiteModel.Builder;
import org.junit.runner.Description;
import org.junit.runner.Request;
import javax.inject.Inject;
import javax.inject.Singleton;
/**
* Builds a {@link TestSuiteModel} for JUnit4 tests.
*/
@Singleton
class JUnit4TestModelBuilder implements Supplier<TestSuiteModel> {
private final Request request;
private final String suiteName;
private final Builder builder;
@Inject
public JUnit4TestModelBuilder(Request request, @TopLevelSuite String suiteName, Builder builder) {
this.request = request;
this.suiteName = suiteName;
this.builder = builder;
}
/**
* Creates a model for a JUnit4 suite. This can be expensive; callers should
* consider memoizing the result.
*
* @return model.
*/
@Override
public TestSuiteModel get() {
Description root = request.getRunner().getDescription();
Preconditions.checkArgument(root.isSuite(), "Top test must be a suite");
return builder.build(suiteName, root);
}
}
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