Merge pull request #2 from OtusTeam/docker

Docker TestContainers exmaple

README.md

@@ -6,3 +6,4 @@
 * *unit-testing-spring-boot* - то же самое, только на Spring Boot
 * *hibernate-fetch-mode-demo* - демонстрация настроек Hibernate, в частности для решения проблемы N+1
 * *mongo-db-demo* - демонстрация подходов к хранению вложенных сущностенй в MongoDB, работы с MongoEventListener, агрегациями и инструментом миграций Mongock
+* *docker-test-containers* - пример настройки TestContainers для монги

docker-test-containers/.gitignore

@@ -0,0 +1,29 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
+
+### VS Code ###
+.vscode/

docker-test-containers/pom.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.4.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>ru.otus</groupId>
+    <artifactId>docker</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>docker</name>
+    <description>Demo project for Spring Boot</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>junit</groupId>
+                    <artifactId>junit</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>1.11.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.4.0</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>testcontainers</artifactId>
+            <version>1.11.2</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

docker-test-containers/src/main/java/ru/otus/docker/DockerApplication.java

@@ -0,0 +1,13 @@
+package ru.otus.docker;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DockerApplication {
+    
+    public static void main(String[] args) {
+        SpringApplication.run(DockerApplication.class, args);
+    }
+    
+}

docker-test-containers/src/main/resources/application.properties

@@ -0,0 +1 @@
+

docker-test-containers/src/test/java/ru/otus/docker/DockerApplicationTests.java

@@ -0,0 +1,36 @@
+package ru.otus.docker;
+
+import com.mongodb.MongoClient;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import java.util.HashMap;
+
+@Testcontainers
+@ExtendWith(SpringExtension.class)
+@SpringBootTest
+public class DockerApplicationTests {
+    private MongoTemplate mongoTemplate;
+    @Container
+    public GenericContainer mongo = new GenericContainer("mongo").withExposedPorts(27017);
+    
+    @BeforeEach
+    public void before() throws Exception {
+        mongoTemplate = new MongoTemplate(new MongoClient(mongo.getContainerIpAddress(), mongo.getFirstMappedPort()), "test");
+    }
+    
+    @Test
+    public void contextLoads() {
+        HashMap<String, Object> map = new HashMap<>();
+        map.put("name", "Steve");
+        mongoTemplate.save(map, "someCollection");
+    }
+}