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‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.example</groupId>
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<artifactId>springbootTutorial</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>springbootJUnit5_Tutorial</name>
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<description>Demo project for Spring Boot JUnit 5</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.2.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<version>5.0.0-M4</version>
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<type>jar</type>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>2.7.17</version>
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<scope>test</scope>
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<type>jar</type>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<version>5.0.0-M4</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.platform</groupId>
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<artifactId>junit-platform-runner</artifactId>
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<version>1.0.0-M4</version>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>com.github.sbrannen</groupId>
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<artifactId>spring-test-junit5</artifactId>
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<version>1.0.0.M4</version>
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<scope>test</scope>
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<type>jar</type>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-failsafe-plugin</artifactId>
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<executions>
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<execution>
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<goals>
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<goal>integration-test</goal>
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<goal>verify</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<repositories>
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<repository>
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<id>jitpack.io</id>
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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</project>

‎src/main/java/com/mvpjava/Company.java

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package com.mvpjava;
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import java.util.HashSet;
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import java.util.Set;
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public class Company {
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String companyName;
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Set<Employee> employees = new HashSet<>();
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public Company(String companyName) {
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this.companyName = companyName;
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}
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public String getCompanyName() {
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return companyName;
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}
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public Set<Employee> getEmployees() {
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return employees;
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}
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public boolean addEmployee(Employee newHire){
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return employees.add(newHire);
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}
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}

‎src/main/java/com/mvpjava/Employee.java

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package com.mvpjava;
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import java.math.BigDecimal;
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import java.util.Objects;
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public class Employee {
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private String name;
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Role role;
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float salary; //yes, I know I should use BigDecimal!
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public Employee(String name) {
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this.name = name;
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}
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public Employee(String name, Role role) {
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this(name);
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this.role = role;
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}
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public Employee() {
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this("not-set");
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}
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/**
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* Get the value of name
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*
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* @return the value of name
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*/
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public String getName() {
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return name;
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}
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public Role getRole() {
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return role;
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}
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public void setRole(Role role) {
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this.role = role;
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}
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public float getSalary() {
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return salary;
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}
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public void setSalary(float salary) {
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this.salary = salary;
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}
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@Override
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public int hashCode() {
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int hash = 7;
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hash = 29 * hash + Objects.hashCode(this.name);
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hash = 29 * hash + Objects.hashCode(this.role);
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hash = 29 * hash + Float.floatToIntBits(this.salary);
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return hash;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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final Employee other = (Employee) obj;
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if (Float.floatToIntBits(this.salary) != Float.floatToIntBits(other.salary)) {
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return false;
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}
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if (!Objects.equals(this.name, other.name)) {
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return false;
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}
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if (!Objects.equals(this.role, other.role)) {
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return false;
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}
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return true;
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}
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@Override
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public String toString() {
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return "Employee{" + "name=" + name + ", role=" + role + ", salary=" + salary + '}';
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}
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}

‎src/main/java/com/mvpjava/Main.java

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package com.mvpjava;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class Main {
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public static void main(String[] args) {
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SpringApplication.run(Main.class, args);
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}
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}

‎src/main/java/com/mvpjava/Role.java

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package com.mvpjava;
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public class Role {
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String roleName ;
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public Role(String roleName) {
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this.roleName = roleName;
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}
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public Role() {
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this("minion");
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}
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public String getRoleName() {
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return roleName;
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}
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}

‎src/main/resources/application.properties

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employee.max.salary=100000

‎src/test/java/com/mvpjava/extensions/MockitoExtension.java

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package com.mvpjava.extensions;
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/*
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* Copyright 2015-2016 the original author or authors.
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License v1.0 which
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* accompanies this distribution and is available at
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*
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* http://www.eclipse.org/legal/epl-v10.html
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*/
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import static org.mockito.Mockito.mock;
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import java.lang.reflect.Parameter;
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import org.junit.jupiter.api.extension.ExtensionContext;
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import org.junit.jupiter.api.extension.ExtensionContext.Namespace;
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import org.junit.jupiter.api.extension.ExtensionContext.Store;
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import org.junit.jupiter.api.extension.ParameterContext;
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import org.junit.jupiter.api.extension.ParameterResolver;
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import org.junit.jupiter.api.extension.TestInstancePostProcessor;
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import org.mockito.Mock;
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import org.mockito.MockitoAnnotations;
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/**
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* {@code MockitoExtension} showcases the {@link TestInstancePostProcessor}
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* and {@link ParameterResolver} extension APIs of JUnit 5 by providing
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* dependency injection support at the field level and at the method parameter
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* level via Mockito 2.x's {@link Mock @Mock} annotation.
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*
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* @since 5.0
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*
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* Copied this directly from https://github.com/junit-team/junit5-samples/tree/master/junit5-mockito-extension
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* to simplify demo since not a downloadable artifact at this time. Shout out to
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* Marc Phillipp for this (https://github.com/marcphilipp)
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*/
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public class MockitoExtension implements TestInstancePostProcessor, ParameterResolver {
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@Override
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public void postProcessTestInstance(Object testInstance, ExtensionContext context) {
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MockitoAnnotations.initMocks(testInstance);
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}
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@Override
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public boolean supports(ParameterContext parameterContext, ExtensionContext extensionContext) {
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return parameterContext.getParameter().isAnnotationPresent(Mock.class);
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}
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@Override
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public Object resolve(ParameterContext parameterContext, ExtensionContext extensionContext) {
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return getMock(parameterContext.getParameter(), extensionContext);
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}
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private Object getMock(Parameter parameter, ExtensionContext extensionContext) {
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Class<?> mockType = parameter.getType();
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Store mocks = extensionContext.getStore(Namespace.create(MockitoExtension.class, mockType));
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String mockName = getMockName(parameter);
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if (mockName != null) {
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return mocks.getOrComputeIfAbsent(mockName, key -> mock(mockType, mockName));
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}
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else {
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return mocks.getOrComputeIfAbsent(mockType.getCanonicalName(), key -> mock(mockType));
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}
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}
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private String getMockName(Parameter parameter) {
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String explicitMockName = parameter.getAnnotation(Mock.class).name().trim();
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if (!explicitMockName.isEmpty()) {
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return explicitMockName;
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}
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else if (parameter.isNamePresent()) {
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return parameter.getName();
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}
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return null;
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}
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}

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