[英]Unable to run unit test cases
我正在使用 Junit5 為我的項目編寫測試用例,當我運行測試用例時,所有測試用例都通過了,但其中一些在控制台中給了我以下錯誤
WARNING: TestEngine with ID 'junit-jupiter' failed to execute tests
java.lang.NoClassDefFoundError: junit/framework/ComparisonFailure
at org.eclipse.jdt.internal.junit5.runner.JUnit5TestListener.getFailedComparison(JUnit5TestListener.java:133)
at org.eclipse.jdt.internal.junit5.runner.JUnit5TestListener.notifyIfNotSuccessful(JUnit5TestListener.java:89)
at org.eclipse.jdt.internal.junit5.runner.JUnit5TestListener.executionFinished(JUnit5TestListener.java:71)
at org.junit.platform.launcher.core.TestExecutionListenerRegistry$CompositeTestExecutionListener.lambda$executionFinished$3(TestExecutionListenerRegistry.java:77)
at java.util.ArrayList.forEach(Unknown Source)
at org.junit.platform.launcher.core.TestExecutionListenerRegistry.notifyTestExecutionListeners(TestExecutionListenerRegistry.java:51)
at org.junit.platform.launcher.core.TestExecutionListenerRegistry.access$100(TestExecutionListenerRegistry.java:27)
at org.junit.platform.launcher.core.TestExecutionListenerRegistry$CompositeTestExecutionListener.executionFinished(TestExecutionListenerRegistry.java:77)
at org.junit.platform.launcher.core.ExecutionListenerAdapter.executionFinished(ExecutionListenerAdapter.java:56)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.reportCompletion(NodeTestTask.java:138)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:79)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:170)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:154)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:90)
at org.eclipse.jdt.internal.junit5.runner.JUnit5TestReference.run(JUnit5TestReference.java:89)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
例如
Mockito.verify(exportFile, Mockito.times(1)).exportCsvFile(Mockito.anyList(), Mockito.anyString());
Mockito.verify(exportFile, Mockito.times(2)).exportCsvFile(Mockito.anyList(), Mockito.anyString());
Mockito.verify(exportFile, Mockito.times(3)).exportCsvFile(Mockito.anyList(), Mockito.anyString();
每次測試用例通過,但對於第二種和第三種情況,我看到java.lang.NoClassDefFoundError: junit/framework/ComparisonFailure
下面是我的 pom 的樣子:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<!-- exclude junit 4 -->
<exclusions>
<exclusion>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- junit 5 -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<scope>test</scope>
</dependency>
下面是我的測試 class 的樣子(提供了課程的必要部分)。
public class AccountServiceTest {
AccountService AccountService;
@Mock
ExportFile exportFile;
@BeforeEach
public void init() {
MockitoAnnotations.initMocks(this);
accountService = new AccountService(exportFile);
}
@Test
public void testFileExport() {
accountService.process(partner.getName());
Mockito.verify(exportFile).exportCsvFile(Mockito.anyList(), Mockito.anyString());
}
}
如果您可以將您的 spring-boot-starter-test 升級到至少2.2.0.RELEASE
,它將為您帶來 JUnit 5(如果您想同時運行 JUnit4 和 JUnit5 測試,也不需要排除)。 僅使用 spring 引導啟動器依賴項是處理依賴項之間不兼容版本問題的好方法,因為 spring 引導會為您管理。
If you want run a test with JUnit5 and Mockito, your class should look like this (the object you want to test is annotated with @InjectMocks
and it's dependency you want mock with @Mock
and the class test with @ExtendWith(MockitoExtension.class)
):
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
@ExtendWith(MockitoExtension.class)
public class AccountServiceTest {
@Mock
ExportFile exportFile;
@InjectMocks
AccountService accountService;
@Test
public void testFileExport() {
accountService.process("");
Mockito.verify(exportFile).exportCsvFile(Mockito.anyList(), Mockito.anyString());
}
}
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