| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.beam.sdk.util; |
| |
| import static org.apache.beam.sdk.util.ApiSurface.containsOnlyClassesMatching; |
| import static org.hamcrest.Matchers.containsInAnyOrder; |
| import static org.hamcrest.Matchers.emptyIterable; |
| import static org.junit.Assert.assertThat; |
| |
| import java.util.List; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.FluentIterable; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableSet; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Iterables; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Sets; |
| import org.hamcrest.Matcher; |
| import org.hamcrest.Matchers; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Functionality tests for ApiSurface. */ |
| @RunWith(JUnit4.class) |
| public class ApiSurfaceTest { |
| |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| private void assertExposed(final Class classToExamine, final Class... exposedClasses) { |
| |
| final ApiSurface apiSurface = ApiSurface.ofClass(classToExamine).pruningPrefix("java"); |
| |
| final ImmutableSet<Matcher<Class<?>>> allowed = |
| FluentIterable.from( |
| Iterables.concat(Sets.newHashSet(classToExamine), Sets.newHashSet(exposedClasses))) |
| .transform(Matchers::<Class<?>>equalTo) |
| .toSet(); |
| |
| assertThat(apiSurface, containsOnlyClassesMatching(allowed)); |
| } |
| |
| private interface Exposed {} |
| |
| private interface ExposedReturnType { |
| Exposed zero(); |
| } |
| |
| @Test |
| public void testExposedReturnType() throws Exception { |
| assertExposed(ExposedReturnType.class, Exposed.class); |
| } |
| |
| private interface ExposedParameterTypeVarBound { |
| <T extends Exposed> void getList(T whatever); |
| } |
| |
| @Test |
| public void testExposedParameterTypeVarBound() throws Exception { |
| assertExposed(ExposedParameterTypeVarBound.class, Exposed.class); |
| } |
| |
| private interface ExposedWildcardBound { |
| void acceptList(List<? extends Exposed> arg); |
| } |
| |
| @Test |
| public void testExposedWildcardBound() throws Exception { |
| assertExposed(ExposedWildcardBound.class, Exposed.class); |
| } |
| |
| private interface ExposedActualTypeArgument extends List<Exposed> {} |
| |
| @Test |
| public void testExposedActualTypeArgument() throws Exception { |
| assertExposed(ExposedActualTypeArgument.class, Exposed.class); |
| } |
| |
| @Test |
| public void testIgnoreAll() throws Exception { |
| ApiSurface apiSurface = |
| ApiSurface.ofClass(ExposedWildcardBound.class) |
| .includingClass(Object.class) |
| .includingClass(ApiSurface.class) |
| .pruningPattern(".*"); |
| assertThat(apiSurface.getExposedClasses(), emptyIterable()); |
| } |
| |
| private interface PrunedPattern {} |
| |
| private interface NotPruned extends PrunedPattern {} |
| |
| @Test |
| public void testprunedPattern() throws Exception { |
| ApiSurface apiSurface = ApiSurface.ofClass(NotPruned.class).pruningClass(PrunedPattern.class); |
| assertThat(apiSurface.getExposedClasses(), containsInAnyOrder((Class) NotPruned.class)); |
| } |
| |
| private interface ExposedTwice { |
| Exposed zero(); |
| |
| Exposed one(); |
| } |
| |
| @Test |
| public void testExposedTwice() throws Exception { |
| assertExposed(ExposedTwice.class, Exposed.class); |
| } |
| |
| private interface ExposedCycle { |
| ExposedCycle zero(Exposed foo); |
| } |
| |
| @Test |
| public void testExposedCycle() throws Exception { |
| assertExposed(ExposedCycle.class, Exposed.class); |
| } |
| |
| private interface ExposedGenericCycle { |
| Exposed zero(List<ExposedGenericCycle> foo); |
| } |
| |
| @Test |
| public void testExposedGenericCycle() throws Exception { |
| assertExposed(ExposedGenericCycle.class, Exposed.class); |
| } |
| |
| private interface ExposedArrayCycle { |
| Exposed zero(ExposedArrayCycle[] foo); |
| } |
| |
| @Test |
| public void testExposedArrayCycle() throws Exception { |
| assertExposed(ExposedArrayCycle.class, Exposed.class); |
| } |
| } |