Add data-mongodb smoke test.

data/data-mongodb/README.adoc

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+Tests if Spring Data MongoDB with sync client is working.

data/data-mongodb/build.gradle

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+plugins {
+    id "java"
+    id "org.springframework.boot"
+    id "org.springframework.cr.smoke-test"
+}
+
+dependencies {
+    implementation(platform(org.springframework.boot.gradle.plugin.SpringBootPlugin.BOM_COORDINATES))
+    implementation("org.springframework.boot:spring-boot-starter-data-mongodb")
+
+    implementation("org.crac:crac:$cracVersion")
+    implementation(project(":cr-listener"))
+
+    testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+    appTestImplementation(project(":cr-smoke-test-support"))
+    appTestImplementation("org.awaitility:awaitility:4.2.0")
+}
+
+crSmokeTest {
+    webApplication = false
+}

data/data-mongodb/docker-compose.yml

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+version: '3.1'
+services:
+  mongo:
+    image: 'mongo:7'
+    ports:
+      - '27017'

data/data-mongodb/src/appTest/java/com/example/data/mongodb/DataMongondbApplicationTests.java

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+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.example.data.mongodb;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.time.Duration;
+
+import org.awaitility.Awaitility;
+import org.junit.jupiter.api.Test;
+import org.springframework.cr.smoketest.support.assertj.AssertableOutput;
+import org.springframework.cr.smoketest.support.junit.ApplicationTest;
+
+@ApplicationTest
+public class DataMongondbApplicationTests {
+
+	@Test
+	void connectionTest(AssertableOutput output) {
+		Awaitility.await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
+			assertThat(output).hasLineMatching("Starting DataReader: was (INITIALIZED|STOPPED)");
+			assertThat(output).hasLineMatching("count \\d+: Author\\{id='id-\\d', name='.*'}");
+		});
+	}
+
+}

data/data-mongodb/src/main/java/com/example/data/mongodb/Author.java

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+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.example.data.mongodb;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+@Document
+public class Author {
+
+	@Id
+	private final String id;
+
+	private final String name;
+
+	public Author(String id, String name) {
+
+		this.id = id;
+		this.name = name;
+	}
+
+	public String getId() {
+		return id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public String toString() {
+		return "Author{" + "id='" + id + "', name='" + name + '\'' + '}';
+	}
+
+}

data/data-mongodb/src/main/java/com/example/data/mongodb/AuthorRepository.java

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+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.example.data.mongodb;
+
+import org.springframework.data.repository.ListCrudRepository;
+
+public interface AuthorRepository extends ListCrudRepository<Author, String> {
+
+}

data/data-mongodb/src/main/java/com/example/data/mongodb/DataMongodbApplication.java

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+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.example.data.mongodb;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DataMongodbApplication {
+
+	public static void main(String[] args) throws InterruptedException {
+		SpringApplication.run(DataMongodbApplication.class, args);
+	}
+
+}

data/data-mongodb/src/main/java/com/example/data/mongodb/DataReader.java

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+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.example.data.mongodb;
+
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.SmartLifecycle;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import org.springframework.util.ObjectUtils;
+
+@Component
+@EnableScheduling
+class DataReader implements SmartLifecycle {
+
+	private final Object lifecycleMonitor = new Object();
+
+	private final AtomicInteger counter = new AtomicInteger(0);
+
+	private State state = State.INITIALIZED;
+
+	private List<String> authorIds;
+
+	@Autowired
+	private AuthorRepository authorRepository;
+
+	enum State {
+
+		INITIALIZED, STARTED, STOPPED
+
+	}
+
+	@Override
+	public void start() {
+
+		synchronized (lifecycleMonitor) {
+			switch (state) {
+				case INITIALIZED, STOPPED -> {
+					System.out.printf("Starting DataReader: was %s\n", state);
+					if (ObjectUtils.isEmpty(authorIds)) {
+						authorIds = insertAuthors().stream().map(Author::getId).collect(Collectors.toList());
+					}
+					state = State.STARTED;
+				}
+			}
+		}
+	}
+
+	@Scheduled(fixedDelay = 1000)
+	public void scheduled() {
+
+		if (isRunning()) {
+
+			int count = counter.incrementAndGet();
+			Author author = authorRepository.findById(authorIds.get(count % 3)).orElse(null);
+			System.out.printf("count %03d: %s\n", count, author);
+		}
+	}
+
+	@Override
+	public void stop() {
+
+		synchronized (lifecycleMonitor) {
+			switch (state) {
+				case INITIALIZED, STARTED -> {
+					System.out.printf("Stopping DataReader: was %s\n", state);
+					state = State.STOPPED;
+				}
+			}
+		}
+	}
+
+	@Override
+	public boolean isRunning() {
+		return State.STARTED.equals(state);
+	}
+
+	private List<Author> insertAuthors() {
+
+		return authorRepository.saveAll(List.of(new Author("id-1", "Brandon Sanderson"), //
+				new Author("id-2", "Brent Weeks"), //
+				new Author("id-3", "Peter V. Brett")));
+	}
+
+}

data/data-mongodb/src/main/resources/application.properties

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+spring.data.mongodb.host=${MONGO_HOST:localhost}
+spring.data.mongodb.port=${MONGO_PORT_27017:27017}