| // 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.testing.junit.junit4.runner; |
| |
| import org.junit.runner.Request; |
| import org.junit.runner.Runner; |
| import org.junit.runner.manipulation.Filter; |
| import org.junit.runner.manipulation.NoTestsRemainException; |
| |
| /** |
| * Common filters. |
| */ |
| @Deprecated |
| public final class Filters { |
| |
| private Filters() {} |
| |
| /** |
| * Returns a filter that evaluates to {@code true} if both of its |
| * components evaluates to {@code true}. The filters are evaluated in |
| * order, and evaluation will be "short-circuited" if the first filter |
| * returns {@code false}. |
| */ |
| public static Filter and(Filter delegate1, Filter delegate2) { |
| return delegate1 == Filter.ALL ? delegate2 |
| : (delegate2 == Filter.ALL ? delegate1 |
| : new AndFilter(delegate1, delegate2)); |
| } |
| |
| /** |
| * Returns a Request that only contains those tests that should run when |
| * a filter is applied, filtering out all empty suites.<p> |
| * |
| * Note that if the request passed into this method caches its runner, |
| * that runner will be modified to use the given filter. To be safe, |
| * do not use the passed-in request after calling this method. |
| * |
| * @param request Request to filter |
| * @param filter Filter to apply |
| * @return request |
| * @throws NoTestsRemainException if the applying the filter removes all tests |
| */ |
| public static Request apply(Request request, Filter filter) throws NoTestsRemainException { |
| filter = new SuiteTrimmingFilter(filter); |
| Runner runner = request.getRunner(); |
| filter.apply(runner); |
| |
| return Request.runner(runner); |
| } |
| } |