| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base.test.params; |
| |
| import org.junit.runners.model.FrameworkMethod; |
| import org.junit.runners.model.TestClass; |
| |
| import org.chromium.base.test.params.ParameterizedRunner.ParameterizedTestInstantiationException; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.List; |
| |
| /** |
| * Parameterized runner delegate common that implements method that needed to be |
| * delegated for parameterization purposes |
| */ |
| public final class ParameterizedRunnerDelegateCommon { |
| private final TestClass mTestClass; |
| private final ParameterSet mClassParameterSet; |
| private final List<FrameworkMethod> mParameterizedFrameworkMethodList; |
| |
| public ParameterizedRunnerDelegateCommon(TestClass testClass, ParameterSet classParameterSet, |
| List<FrameworkMethod> parameterizedFrameworkMethods) { |
| mTestClass = testClass; |
| mClassParameterSet = classParameterSet; |
| mParameterizedFrameworkMethodList = parameterizedFrameworkMethods; |
| } |
| |
| /** |
| * Do not do any validation here because running the default class runner's |
| * collectInitializationErrors fail due to the overridden computeTestMethod relying on a local |
| * member variable |
| * |
| * The validation needed for parameterized tests is already done by ParameterizedRunner. |
| */ |
| public static void collectInitializationErrors( |
| @SuppressWarnings("unused") List<Throwable> errors) {} |
| |
| public List<FrameworkMethod> computeTestMethods() { |
| return mParameterizedFrameworkMethodList; |
| } |
| |
| private void throwInstantiationException(Exception e) |
| throws ParameterizedTestInstantiationException { |
| String parameterSetString = |
| mClassParameterSet == null ? "null" : mClassParameterSet.toString(); |
| throw new ParameterizedTestInstantiationException(mTestClass, parameterSetString, e); |
| } |
| |
| public Object createTest() throws ParameterizedTestInstantiationException { |
| try { |
| if (mClassParameterSet == null) { |
| return mTestClass.getOnlyConstructor().newInstance(); |
| } |
| return mTestClass.getOnlyConstructor().newInstance( |
| mClassParameterSet.getValues().toArray()); |
| } catch (InstantiationException e) { |
| throwInstantiationException(e); |
| } catch (IllegalAccessException e) { |
| throwInstantiationException(e); |
| } catch (InvocationTargetException e) { |
| throwInstantiationException(e); |
| } |
| assert false; |
| return null; |
| } |
| } |