Step02.md

What You Will Learn during this Step:

• Start Creating an example to start understanding why we need mocks.
• We want to interact with a Todo Management application.
• We want to provide a filtering around Spring related Todo's

Files List

/pom.xml

<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>
	<groupId>com.in28minutes.mockito</groupId>
	<artifactId>mockito-tutorial</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.12</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-all</artifactId>
			<version>1.10.19</version>
			<scope>test</scope>
		</dependency>
	</dependencies>
</project>

/src/main/java/com/in28minutes/business/TodoBusinessImpl.java

package com.in28minutes.business;

import java.util.ArrayList;
import java.util.List;

import com.in28minutes.data.api.TodoService;

public class TodoBusinessImpl {
	private TodoService todoService;

	TodoBusinessImpl(TodoService todoService) {
		this.todoService = todoService;
	}

	public List<String> retrieveTodosRelatedToSpring(String user) {
		List<String> filteredTodos = new ArrayList<String>();
		List<String> allTodos = todoService.retrieveTodos(user);
		for (String todo : allTodos) {
			if (todo.contains("Spring")) {
				filteredTodos.add(todo);
			}
		}
		return filteredTodos;
	}
}

/src/main/java/com/in28minutes/data/api/TodoService.java

package com.in28minutes.data.api;

import java.util.List;

// External Service - Lets say this comes from WunderList
public interface TodoService {
	public List<String> retrieveTodos(String user);
}

/src/test/java/com/in28minutes/mockito/FirstMockitoTest.java

package com.in28minutes.mockito;

import static org.junit.Assert.assertTrue;

import org.junit.Test;

public class FirstMockitoTest {

	@Test
	public void test() {
		assertTrue(true);
	}

}