add all file to git

2024-04-30 12:21:36 -04:00
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+## Spring Mockito
+
+This module contains articles about Spring with Mockito
+
+### Relevant Articles: 
+- [Injecting Mockito Mocks into Spring Beans](https://www.baeldung.com/injecting-mocks-in-spring)
+- [SpringRunner vs MockitoJUnitRunner](https://www.baeldung.com/junit-springrunner-vs-mockitojunitrunner)
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+<?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>
+    <artifactId>spring-mockito</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-mockito</name>
+    <packaging>jar</packaging>
+    <description>Injecting Mockito Mocks into Spring Beans</description>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>${mockito.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
@@ -0,0 +1,17 @@
+package com.baeldung.runners;
+
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+@Component
+public class DataProvider {
+
+    private final List<String> memory = Stream.of("baeldung", "java", "dummy").collect(Collectors.toList());
+
+    public Stream<String> getValues() {
+        return memory.stream();
+    }
+}
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+package com.baeldung.runners;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class StringConverter {
+
+    private final DataProvider dataProvider;
+
+    @Autowired
+    public StringConverter(DataProvider dataProvider) {
+        this.dataProvider = dataProvider;
+    }
+
+    public List<String> convert() {
+        return dataProvider.getValues().map(String::toUpperCase).collect(Collectors.toList());
+    }
+}
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+package com.baeldung.runners;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class StringConverterStarter {
+    public static void main(String[] args) {
+        SpringApplication.run(StringConverterStarter.class, args);
+    }
+}
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+spring.main.allow-bean-definition-overriding=true
+spring.main.web-application-type=none
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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
@@ -0,0 +1,31 @@
+package com.baeldung;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@ActiveProfiles("test")
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = MocksApplication.class)
+public class UserServiceUnitTest {
+
+    @Autowired
+    private UserService userService;
+
+    @Autowired
+    private NameService nameService;
+
+    @Test
+    public void whenUserIdIsProvided_thenRetrievedNameIsCorrect() {
+        Mockito.when(nameService.getUserName("SomeId")).thenReturn("Mock user name");
+
+        String testName = userService.getUserName("SomeId");
+
+        Assert.assertEquals("Mock user name", testName);
+    }
+}
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+package com.baeldung.runners;
+
+import lombok.val;
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import java.util.stream.Stream;
+
+@RunWith(MockitoJUnitRunner.class)
+public class StringConverterMockitoRunnerUnitTest {
+    @Mock
+    private DataProvider dataProvider;
+
+    @InjectMocks
+    private StringConverter stringConverter;
+
+    @Test
+    public void givenStrings_whenConvert_thenReturnUpperCase() {
+        Mockito.when(dataProvider.getValues()).thenReturn(Stream.of("first", "second"));
+
+        val result = stringConverter.convert();
+
+        Assertions.assertThat(result).contains("FIRST", "SECOND");
+    }
+}
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+package com.baeldung.runners;
+
+import lombok.val;
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.stream.Stream;
+
+@ContextConfiguration(classes = StringConverter.class)
+@RunWith(SpringRunner.class)
+public class StringConverterSpringRunnerUnitTest {
+    @MockBean
+    private DataProvider dataProvider;
+
+    @Autowired
+    private StringConverter stringConverter;
+
+    @Test
+    public void givenStrings_whenConvert_thenReturnUpperCase() {
+        Mockito.when(dataProvider.getValues()).thenReturn(Stream.of("first", "second"));
+
+        val result = stringConverter.convert();
+
+        Assertions.assertThat(result).contains("FIRST", "SECOND");
+    }
+}
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+package com.baeldung.runners;
+
+import lombok.val;
+import org.assertj.core.api.Assertions;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+import java.util.stream.Stream;
+
+public class StringConverterWithInitUnitTest {
+    @Mock
+    private DataProvider dataProvider;
+
+    @InjectMocks
+    private StringConverter stringConverter;
+
+    @Before
+    public void init() {
+        MockitoAnnotations.openMocks(this);
+        // or
+        // dataProvider = Mockito.mock(DataProvider.class);
+        // stringConverter = new StringConverter(dataProvider);
+    }
+
+    @Test
+    public void givenStrings_whenConvert_thenReturnUpperCase() {
+        Mockito.when(dataProvider.getValues()).thenReturn(Stream.of("first", "second"));
+
+        val result = stringConverter.convert();
+
+        Assertions.assertThat(result).contains("FIRST", "SECOND");
+    }
+}