1 package org.junit.runner; 2 3 import org.junit.runners.Suite; 4 import org.junit.runners.model.InitializationError; 5 import org.junit.runners.model.RunnerBuilder; 6 7 /** 8 * Represents a strategy for computing runners and suites. 9 * WARNING: this class is very likely to undergo serious changes in version 4.8 and 10 * beyond. 11 */ 12 public class Computer { 13 /** 14 * Returns a new default computer, which runs tests in serial order 15 */ serial()16 public static Computer serial() { 17 return new Computer(); 18 } 19 20 /** 21 * Create a suite for {@code classes}, building Runners with {@code builder}. 22 * Throws an InitializationError if Runner construction fails 23 */ getSuite(final RunnerBuilder builder, Class<?>[] classes)24 public Runner getSuite(final RunnerBuilder builder, 25 Class<?>[] classes) throws InitializationError { 26 return new Suite(new RunnerBuilder() { 27 @Override 28 public Runner runnerForClass(Class<?> testClass) throws Throwable { 29 return getRunner(builder, testClass); 30 } 31 }, classes); 32 } 33 34 /** 35 * Create a single-class runner for {@code testClass}, using {@code builder} 36 */ 37 protected Runner getRunner(RunnerBuilder builder, Class<?> testClass) throws Throwable { 38 return builder.runnerForClass(testClass); 39 } 40 } 41