BAEL-4836 - Mocking Static Methods with Mockito (#10580)
* BAEL-4706 - Spring Boot with Spring Batch * BAEL-3948 - Fix test(s) in spring-batch which leaves repository.sqlite changed * BAEL-4736 - Convert JSONArray to List of Object using camel-jackson * BAEL-4756 - Mockito MockSettings * BAEL-4756 - Mockito MockSettings - fix spelling * BAEL-2674 - Upgrade the Okhttp article * BAEL-4204 - Adding Interceptors in OkHTTP * BAEL-4836 - Mocking Static Methods with Mockito Co-authored-by: Jonathan Cook <jcook@sciops.esa.int>
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/target/
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/.settings/
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/.classpath
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/.project
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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"
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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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<artifactId>mockito-3</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>mockito-3</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<relativePath>../../</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-inline</artifactId>
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<version>${mockito.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<properties>
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<mockito.version>3.8.0</mockito.version>
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<assertj.version>3.8.0</assertj.version>
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</properties>
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</project>
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package com.baeldung.mockito.mockedstatic;
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import java.util.List;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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public class StaticUtils {
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private StaticUtils() {
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}
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public static List<Integer> range(int start, int end) {
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return IntStream.range(start, end)
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.boxed()
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.collect(Collectors.toList());
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}
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public static String name() {
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return "Baeldung";
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
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</pattern>
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</encoder>
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</appender>
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<root level="INFO">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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package com.baeldung.mockito.mockedstatic;
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import org.junit.jupiter.api.Test;
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import org.mockito.MockedStatic;
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import org.mockito.Mockito;
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import static org.assertj.core.api.Assertions.*;
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import java.util.Arrays;
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class MockedStaticUnitTest {
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@Test
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void givenStaticMethodWithNoArgs_whenMocked_thenReturnsMockSuccessfully() {
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assertThat(StaticUtils.name()).isEqualTo("Baeldung");
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try (MockedStatic<StaticUtils> utilities = Mockito.mockStatic(StaticUtils.class)) {
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utilities.when(StaticUtils::name).thenReturn("Eugen");
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assertThat(StaticUtils.name()).isEqualTo("Eugen");
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}
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assertThat(StaticUtils.name()).isEqualTo("Baeldung");
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}
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@Test
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void givenStaticMethodWithArgs_whenMocked_thenReturnsMockSuccessfully() {
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assertThat(StaticUtils.range(2, 6)).containsExactly(2, 3, 4, 5);
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try (MockedStatic<StaticUtils> utilities = Mockito.mockStatic(StaticUtils.class)) {
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utilities.when(() -> StaticUtils.range(2, 6))
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.thenReturn(Arrays.asList(10, 11, 12));
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assertThat(StaticUtils.range(2, 6)).containsExactly(10, 11, 12);
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}
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assertThat(StaticUtils.range(2, 6)).containsExactly(2, 3, 4, 5);
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}
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}
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<module>load-testing-comparison</module>
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<module>load-testing-comparison</module>
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<module>mockito</module>
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<module>mockito</module>
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<module>mockito-2</module>
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<module>mockito-2</module>
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<module>mockito-3</module>
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<module>hamcrest</module>
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<module>hamcrest</module>
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<module>mocks</module>
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<module>mocks</module>
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<module>mockserver</module>
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<module>mockserver</module>
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