Refine test containers
Andy Wilkinson
7 years ago
committed by
Madhura Bhave
parent
87bccb96f1
commit
996b3ef7f2
@ -1,63 +0,0 @@
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.test.autoconfigure;
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import java.util.function.Supplier;
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import org.junit.AssumptionViolatedException;
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import org.junit.rules.TestRule;
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import org.junit.runner.Description;
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import org.junit.runners.model.Statement;
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import org.testcontainers.DockerClientFactory;
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import org.testcontainers.containers.GenericContainer;
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/**
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* {@link TestRule} for working with an optional Docker environment. Spins up a
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* {@link GenericContainer} if a valid docker environment is found.
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*
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* @param <T> the type of the container
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* @author Madhura Bhave
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*/
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public class DockerTestContainer<T extends GenericContainer<?>> implements TestRule {
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private Supplier<T> containerSupplier;
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public DockerTestContainer(Supplier<T> containerSupplier) {
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this.containerSupplier = containerSupplier;
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}
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@Override
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public Statement apply(Statement base, Description description) {
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try {
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DockerClientFactory.instance().client();
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return this.containerSupplier.get().apply(base, description);
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}
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catch (Throwable thrown) {
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return new SkipStatement();
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}
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}
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private static class SkipStatement extends Statement {
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@Override
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public void evaluate() {
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throw new AssumptionViolatedException(
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"Could not find a valid Docker environment.");
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}
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}
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}
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@ -0,0 +1,119 @@
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.testsupport.testcontainers;
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import java.util.concurrent.Callable;
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import java.util.concurrent.TimeUnit;
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import com.datastax.driver.core.Cluster;
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import com.datastax.driver.core.exceptions.NoHostAvailableException;
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import org.neo4j.ogm.config.Configuration;
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import org.neo4j.ogm.session.SessionFactory;
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import org.rnorth.ducttape.TimeoutException;
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import org.rnorth.ducttape.unreliables.Unreliables;
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import org.testcontainers.containers.GenericContainer;
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import org.testcontainers.containers.wait.HostPortWaitStrategy;
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/**
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* Provides utility methods that allow creation of docker containers for
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* tests.
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*
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* @author Andy Wilkinson
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* @author Madhura Bhave
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*/
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public abstract class TestContainers {
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@SuppressWarnings("resource")
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public static GenericContainer<?> redis() {
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return new GenericContainer<>("redis:4.0.6").withExposedPorts(6379);
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}
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@SuppressWarnings("resource")
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public static GenericContainer<?> cassandra() {
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return new GenericContainer<>("cassandra:3.11.1").withExposedPorts(9042)
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.waitingFor(new CassandraConnectionVerifyingWaitStrategy());
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}
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public static GenericContainer<?> neo4j() {
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return new GenericContainer<>("neo4j:3.3.1").withExposedPorts(7687)
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.waitingFor(new Neo4jConnectionVerifyingWaitStrategy())
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.withEnv("NEO4J_AUTH", "none");
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}
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private static class CassandraConnectionVerifyingWaitStrategy extends HostPortWaitStrategy {
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@Override
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protected void waitUntilReady() {
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super.waitUntilReady();
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try {
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Unreliables.retryUntilTrue((int) this.startupTimeout.getSeconds(),
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TimeUnit.SECONDS, checkConnection());
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}
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catch (TimeoutException ex) {
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throw new IllegalStateException(ex);
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}
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}
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private Callable<Boolean> checkConnection() {
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return () -> {
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try (Cluster cluster = Cluster.builder().withPort(this.container.getMappedPort(9042))
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.addContactPoint("localhost")
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.build()) {
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cluster.connect();
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return true;
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}
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catch (IllegalArgumentException | NoHostAvailableException ex) {
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return false;
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}
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};
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}
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}
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private static class Neo4jConnectionVerifyingWaitStrategy extends HostPortWaitStrategy {
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@Override
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protected void waitUntilReady() {
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super.waitUntilReady();
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Configuration configuration = new Configuration.Builder()
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.uri("bolt://localhost:" + this.container.getMappedPort(7687)).build();
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SessionFactory sessionFactory = new SessionFactory(configuration,
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"org.springframework.boot.test.autoconfigure.data.neo4j");
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try {
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Unreliables.retryUntilTrue((int) this.startupTimeout.getSeconds(),
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TimeUnit.SECONDS, checkConnection(sessionFactory));
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}
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catch (TimeoutException e) {
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throw new IllegalStateException();
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}
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}
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private Callable<Boolean> checkConnection(SessionFactory sessionFactory) {
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return () -> {
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try {
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sessionFactory.openSession().beginTransaction().close();
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return true;
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}
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catch (Exception ex) {
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return false;
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}
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};
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}
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}
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}
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