Best Mockito code snippet using org.mockitousage.examples.use.ArticleCalculator
...13import org.mockito.Spy;14import org.mockito.exceptions.base.MockitoException;15import org.mockito.internal.util.MockUtil;16import org.mockito.runners.MockitoJUnitRunner;17import org.mockitousage.examples.use.ArticleCalculator;18import org.mockitousage.examples.use.ArticleDatabase;19import org.mockitousage.examples.use.ArticleManager;20import java.util.HashSet;21import java.util.Set;22import static org.junit.Assert.*;23import static org.mockito.Mockito.when;24@RunWith(MockitoJUnitRunner.class)25public class MockInjectionUsingConstructorTest {26 private MockUtil mockUtil = new MockUtil();27 @Mock private ArticleCalculator calculator;28 @Mock private ArticleDatabase database;29 @InjectMocks private ArticleManager articleManager;30 @Spy @InjectMocks private ArticleManager spiedArticleManager;31 @InjectMocks private ArticleVisitor should_be_initialized_several_times;32 @Test33 public void shouldNotFailWhenNotInitialized() {34 assertNotNull(articleManager);35 }36 @Test(expected = IllegalArgumentException.class)37 public void innerMockShouldRaiseAnExceptionThatChangesOuterMockBehavior() {38 when(calculator.countArticles("new")).thenThrow(new IllegalArgumentException());39 articleManager.updateArticleCounters("new");40 }41 @Test42 public void mockJustWorks() {43 articleManager.updateArticleCounters("new");44 }45 @Test46 public void constructor_is_called_for_each_test() throws Exception {47 int minimum_number_of_test_before = 3;48 Assertions.assertThat(articleVisitorInstantiationCount).isGreaterThan(minimum_number_of_test_before);49 Assertions.assertThat(articleVisitorMockInjectedInstances.size()).isGreaterThan(minimum_number_of_test_before);50 }51 @Test52 public void objects_created_with_constructor_initialization_can_be_spied() throws Exception {53 assertFalse(mockUtil.isMock(articleManager));54 assertTrue(mockUtil.isMock(spiedArticleManager));55 }56 @Test57 public void should_report_failure_only_when_object_initialization_throws_exception() throws Exception {58 try {59 MockitoAnnotations.initMocks(new ATest());60 fail();61 } catch (MockitoException e) {62 Assertions.assertThat(e.getMessage()).contains("failingConstructor").contains("constructor").contains("threw an exception");63 Assertions.assertThat(e.getCause()).isInstanceOf(IllegalStateException.class);64 }65 }66 private static int articleVisitorInstantiationCount = 0;67 private static Set<Object> articleVisitorMockInjectedInstances = new HashSet<Object>();68 private static class ArticleVisitor {69 public ArticleVisitor(ArticleCalculator calculator) {70 articleVisitorInstantiationCount++;71 articleVisitorMockInjectedInstances.add(calculator);72 }73 }74 private static class FailingConstructor {75 FailingConstructor(Set set) {76 throw new IllegalStateException("always fail");77 }78 }79 @Ignore("don't run this code in the test runner")80 private static class ATest {81 @Mock Set set;82 @InjectMocks FailingConstructor failingConstructor;83 }...
Source: ArticleManager.java
1package org.mockitousage.examples.use;2import java.util.List;3public class ArticleManager {4 private final ArticleCalculator calculator;5 private final ArticleDatabase database;6 public ArticleManager(ArticleCalculator calculator, ArticleDatabase database) {7 this.calculator = calculator;8 this.database = database;9 }10 public void updateArticleCounters(String newspaper) {11 int articles = calculator.countArticles(newspaper);12 int polishArticles = calculator.countArticlesInPolish(newspaper);13 database.updateNumberOfArticles(newspaper, articles);14 database.updateNumberOfPolishArticles(newspaper, polishArticles);15 database.updateNumberOfEnglishArticles(newspaper, articles - polishArticles);16 }17 public void updateRelatedArticlesCounters(String newspaper) {18 List<Article> articles = database.getArticlesFor("Guardian");19 for (Article article : articles) {20 int numberOfRelatedArticles = calculator.countNumberOfRelatedArticles(article);...
...8import org.mockito.InjectMocks;9import org.mockito.Mock;10import org.mockito.internal.util.MockUtil;11import org.mockito.junit.MockitoJUnitRunner;12import org.mockitousage.examples.use.ArticleCalculator;13@RunWith(MockitoJUnitRunner.class)14public class MockInjectionUsingConstructorIssue421Test {15 @Mock16 private ArticleCalculator calculator;17 @InjectMocks18 private MockInjectionUsingConstructorIssue421Test.Issue421 issue421;19 @Test20 public void mockJustWorks() {21 issue421.checkIfMockIsInjected();22 }23 static class Issue421 {24 private ArticleCalculator calculator;25 public Issue421(int a) {26 }27 public Issue421(ArticleCalculator calculator) {28 this.calculator = calculator;29 }30 public void checkIfMockIsInjected() {31 assertThat(MockUtil.isMock(calculator)).isTrue();32 }33 }34}...
Source: InjectMocksTest.java
2import static org.mockito.Mockito.when;3import org.junit.Test;4import org.mockito.InjectMocks;5import org.mockito.Mock;6import org.mockitousage.examples.use.ArticleCalculator;7import org.mockitousage.examples.use.ArticleManager;8import org.mockitoutil.TestBase;9public class InjectMocksTest extends TestBase {10 @Mock11 ArticleCalculator calculator;12 @InjectMocks13 ArticleManager articleManager;14 @Test15 public void shouldNotFailWhenNotInitialized() {16 assertNotNull(articleManager);17 }18 @Test(expected = IllegalArgumentException.class)19 public void testInnerMockShouldRaiseAnExceptionThatChangesOuterMockBehavior() {20 when(calculator.countArticles("new")).thenThrow(21 new IllegalArgumentException());22 articleManager.updateArticleCounters("new");23 }24 @Test25 public void mockJustWorks() {...
Source: ArticleCalculator.java
1package org.mockitousage.examples.use;2public interface ArticleCalculator {3 int countArticles(String newspaper);4 int countArticlesInPolish(String newspaper);5 int countNumberOfRelatedArticles(Article article);6 int countAllArticles(String... publications);7}...
ArticleCalculator
Using AI Code Generation
1package org.mockitousage.examples.use;2import org.mockito.Mockito;3import org.mockitousage.examples.use.ArticleCalculator;4import org.mockitousage.examples.use.ArticleDatabase;5import org.mockitousage.examples.use.ArticleManager;6public class ArticleManagerTest {7 public static void main(String[] args) {8 ArticleDatabase database = Mockito.mock(ArticleDatabase.class);9 ArticleCalculator calculator = Mockito.mock(ArticleCalculator.class);10 ArticleManager manager = new ArticleManager(database, calculator);11 manager.initialize();12 }13}14package org.mockitousage.examples.use;15import org.mockito.Mockito;16import org.mockitousage.examples.use.ArticleManager;17import org.mockitousage.examples.use.ArticleDatabase;18import org.mockitousage.examples.use.ArticleCalculator;19public class ArticleManagerTest {20 public static void main(String[] args) {21 ArticleDatabase database = Mockito.mock(ArticleDatabase.class);22 ArticleCalculator calculator = Mockito.mock(ArticleCalculator.class);23 ArticleManager manager = new ArticleManager(database, calculator);24 manager.initialize();25 }26}27package org.mockitousage.examples.use;28import org.mockito.Mockito;29import org.mockitousage.examples.use.ArticleDatabase;30import org.mockitousage.examples.use.ArticleManager;31import org.mockitousage.examples.use.ArticleCalculator;32public class ArticleManagerTest {33 public static void main(String[] args) {34 ArticleDatabase database = Mockito.mock(ArticleDatabase.class);35 ArticleCalculator calculator = Mockito.mock(ArticleCalculator.class);36 ArticleManager manager = new ArticleManager(database, calculator);37 manager.initialize();38 }39}40package org.mockitousage.examples.use;41import org.mockito.Mockito;42import org.mockitousage.examples.use.ArticleCalculator;43import org.mockitousage.examples.use.ArticleDatabase;44import org.mockitousage.examples.use.ArticleManager;45public class ArticleManagerTest {46 public static void main(String[] args) {47 ArticleDatabase database = Mockito.mock(ArticleDatabase.class);48 ArticleCalculator calculator = Mockito.mock(ArticleCalculator.class);49 ArticleManager manager = new ArticleManager(database, calculator);
ArticleCalculator
Using AI Code Generation
1package org.mockitousage.examples.use;2import org.mockitousage.examples.*;3import org.mockito.*;4import static org.mockito.Mockito.*;5import static org.mockito.BDDMockito.*;6import static org.mockito.Matchers.*;7import static org.mockito.MockitoAnnotations.*;8import org.junit.*;9import org.junit.runner.*;10import org.junit.runners.*;11@RunWith(JUnit4.class)12public class ArticleCalculatorTest {13 ArticleCalculator articleCalculator;14 public void setup() {15 initMocks(this);16 }17 public void shouldReturnTotalPrice() {18 Article article = mock(Article.class);19 when(article.getPrice()).thenReturn(10);20 when(articleCalculator.totalPrice(article)).thenReturn(10);21 int totalPrice = articleCalculator.totalPrice(article);22 Assert.assertEquals(10, totalPrice);23 }24}25OK (1 test)
ArticleCalculator
Using AI Code Generation
1import org.mockitousage.examples.use.ArticleCalculator;2import org.mockitousage.examples.use.ArticleCalculatorImpl;3import org.mockito.Mockito;4import org.mockito.Mock;5import org.mockito.MockitoAnnotations;6import org.mockito.InjectMocks;7import org.junit.Before;8import org.junit.Test;9public class ArticleCalculatorTest {10 private ArticleCalculator calculator;11 public void setUp() throws Exception {12 MockitoAnnotations.initMocks(this);13 }14 public void testCalculate() {15 ArticleCalculatorImpl articleCalculator = new ArticleCalculatorImpl();16 articleCalculator.setCalculator(calculator);17 articleCalculator.calculate(1, 2);18 Mockito.verify(calculator).calculate(1, 2);19 }20}21 at org.mockitousage.examples.use.ArticleCalculatorImpl.calculate(ArticleCalculatorImpl.java:10)22 at org.mockitousage.examples.use.ArticleCalculatorTest.testCalculate(ArticleCalculatorTest.java:25)23To fix this issue, we need to add the following line of code in the setUp() method:24MockitoAnnotations.initMocks(this);
ArticleCalculator
Using AI Code Generation
1import org.mockitousage.examples.use.ArticleCalculator;2import org.mockitousage.examples.use.ArticleCalculatorImpl;3import org.mockito.Mockito;4import static org.mockito.Mockito.*;5import static org.junit.Assert.*;6import org.junit.Test;7import org.junit.runner.RunWith;8import org.mockito.runners.MockitoJUnitRunner;9@RunWith(MockitoJUnitRunner.class)10public class ArticleCalculatorTest {11 public void testCalculatePrice() {12 ArticleCalculator articleCalculator = new ArticleCalculatorImpl();13 Article article = mock(Article.class);14 when(article.getPrice()).thenReturn(20.00);15 when(article.getQuantity()).thenReturn(10);16 assertEquals(200.00, articleCalculator.calculatePrice(article), 0.0);17 }18}19import org.mockitousage.examples.use.Article;20import org.mockitousage.examples.use.ArticleCalculator;21import org.mockitousage.examples.use.ArticleCalculatorImpl;22import org.mockito.runners.MockitoJUnitRunner;23import org.junit.runner.RunWith;24import org.junit.Test;25import static org.junit.Assert.*;26import org.mockito.Mockito;27import static org.mockito.Mockito.*;28@RunWith(MockitoJUnitRunner.class)29public class ArticleCalculatorTest {30 public void testCalculatePrice() {31 ArticleCalculator articleCalculator = new ArticleCalculatorImpl();32 Article article = mock(Article.class);33 when(article.getPrice()).thenReturn(20.00);34 when(article.getQuantity()).thenReturn(10);35 assertEquals(200.00, articleCalculator.calculatePrice(article), 0.0);36 }37}38Error:(6, 23) java: package org.mockitousage.examples.use does not exist39Error:(7, 23) java: package org.mockitousage.examples.use does not exist40Error:(8, 23) java: package org.mockitousage.examples.use does not exist41Error:(10, 23) java: package org.mockitousage.examples.use does not exist42Error:(11, 23) java: package org.mockitousage.examples.use does not exist43Error:(12, 23) java: package org.mockitousage.examples.use does not exist44Error:(14, 23) java: package org.mockitousage.examples.use does not exist45Error:(15, 23) java: package org.mockitousage.examples.use does not exist46Error:(16, 23) java: package org.mockitousage.examples.use
ArticleCalculator
Using AI Code Generation
1package org.mockitousage.examples.use;2import org.junit.Test;3import org.mockito.Mockito;4import org.mockitousage.examples.ArticleCalculator;5public class ArticleCalculatorTest {6 public void testCalculateArticlePrice() {7 ArticleCalculator articleCalculator = Mockito.mock(ArticleCalculator.class);8 Mockito.when(articleCalculator.calculateArticlePrice(2)).thenReturn(20.0);9 double price = articleCalculator.calculateArticlePrice(2);10 System.out.println("Price is: " + price);11 }12}
ArticleCalculator
Using AI Code Generation
1import org.mockitousage.examples.use.ArticleCalculator;2public class ArticleCalculatorTest {3 public static void main(String[] args) {4 ArticleCalculator articleCalculator = new ArticleCalculator();5 articleCalculator.calculate(1, 2);6 }7}8package org.mockitousage.examples.use;9public class ArticleCalculator {10 public void calculate(int a, int b) {11 System.out.println("Sum of two numbers is: " + (a + b));12 }13}
ArticleCalculator
Using AI Code Generation
1import org.mockitousage.examples.use.ArticleCalculator;2public class ArticleCalculatorTest {3 public static void main(String[] args) {4 ArticleCalculator articleCalculator = new ArticleCalculator();5 articleCalculator.calculateTotalPrice();6 }7}
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If we assume that your job runs in such a small intervals that you really want your test to wait for job to be executed and you just want to test if job is invoked you can use following solution:
Add Awaitility to classpath:
<dependency>
<groupId>org.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>3.1.0</version>
<scope>test</scope>
</dependency>
Write test similar to:
@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {
@SpyBean
private MyTask myTask;
@Test
public void jobRuns() {
await().atMost(Duration.FIVE_SECONDS)
.untilAsserted(() -> verify(myTask, times(1)).work());
}
}
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