TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use checkIsNotAbstract method of org.assertj.core.api.junit.jupiter.SoftAssertionsExtension class

Best Assertj code snippet using org.assertj.core.api.junit.jupiter.SoftAssertionsExtension.checkIsNotAbstract

Source:SoftAssertionsExtension.java

...230    for (Field softAssertionsField : softAssertionsFields) {231      checkIsNotStaticOrFinal(softAssertionsField);232      Class<? extends SoftAssertionsProvider> softAssertionsProviderClass = asSoftAssertionsProviderClass(softAssertionsField,233                                                                                                          softAssertionsField.getType());234      checkIsNotAbstract(softAssertionsField, softAssertionsProviderClass);235      checkHasDefaultConstructor(softAssertionsField, softAssertionsProviderClass);236      SoftAssertionsProvider softAssertions = getSoftAssertionsProvider(context, softAssertionsProviderClass);237      setTestInstanceSoftAssertionsField(testInstance, softAssertionsField, softAssertions);238    }239  }240  @Override241  public void beforeEach(ExtensionContext context) throws Exception {242    AssertionErrorCollector collector = getAssertionErrorCollector(context);243    if (isPerClassConcurrent(context)) {244      // If the current context is "per class+concurrent", then getSoftAssertionsProvider() will have already set the delegate245      // for all the soft assertions provider to the thread-local error collector, so all we need to do is set the tlec's value246      // for the current thread.247      ThreadLocalErrorCollector tlec = getThreadLocalCollector(context);248      tlec.setDelegate(collector);249    } else {250      // Make sure that all of the soft assertion provider instances have their delegate initialised to the assertion error251      // collector for the current context. Also check enclosing contexts (in the case of nested tests).252      while (initialiseDelegate(context, collector) && context.getParent().isPresent()) {253        context = context.getParent().get();254      }255    }256  }257  private static boolean initialiseDelegate(ExtensionContext context, AssertionErrorCollector collector) {258    Collection<SoftAssertionsProvider> providers = getSoftAssertionsProviders(context);259    if (providers == null) return false;260    providers.forEach(x -> x.setDelegate(collector));261    return context.getParent().isPresent();262  }263  @Override264  public boolean supportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext) {265    // Abort if parameter type is unsupported.266    if (isUnsupportedParameterType(parameterContext.getParameter())) return false;267    Executable executable = parameterContext.getDeclaringExecutable();268    // @Testable is used as a meta-annotation on @Test, @TestFactory, @TestTemplate, etc.269    boolean isTestableMethod = executable instanceof Method && isAnnotated(executable, Testable.class);270    if (!isTestableMethod) {271      throw new ParameterResolutionException(format("Configuration error: cannot resolve SoftAssertionsProvider instances for [%s]. Only test methods are supported.",272                                                    executable));273    }274    Class<?> parameterType = parameterContext.getParameter().getType();275    if (isAbstract(parameterType.getModifiers())) {276      throw new ParameterResolutionException(format("Configuration error: the resolved SoftAssertionsProvider implementation [%s] is abstract and cannot be instantiated.",277                                                    executable));278    }279    try {280      parameterType.getDeclaredConstructor();281    } catch (@SuppressWarnings("unused") Exception e) {282      throw new ParameterResolutionException(format("Configuration error: the resolved SoftAssertionsProvider implementation [%s] has no default constructor and cannot be instantiated.",283                                                    executable));284    }285    return true;286  }287  @Override288  public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) {289    // The parameter type is guaranteed to be an instance of SoftAssertionsProvider290    @SuppressWarnings("unchecked")291    Class<? extends SoftAssertionsProvider> concreteSoftAssertionsProviderType = (Class<? extends SoftAssertionsProvider>) parameterContext.getParameter()292                                                                                                                                           .getType();293    SoftAssertionsProvider provider = ReflectionSupport.newInstance(concreteSoftAssertionsProviderType);294    provider.setDelegate(getAssertionErrorCollector(extensionContext));295    return provider;296  }297  @Override298  public void afterTestExecution(ExtensionContext extensionContext) {299    AssertionErrorCollector collector;300    if (isPerClassConcurrent(extensionContext)) {301      ThreadLocalErrorCollector tlec = getThreadLocalCollector(extensionContext);302      collector = tlec.getDelegate().orElseThrow(() -> new IllegalStateException("Expecting delegate to be present for current context"));303      tlec.reset();304    } else {305      collector = getAssertionErrorCollector(extensionContext);306    }307    AbstractSoftAssertions.assertAll(collector);308  }309  private static boolean isUnsupportedParameterType(Parameter parameter) {310    Class<?> type = parameter.getType();311    return !SoftAssertionsProvider.class.isAssignableFrom(type);312  }313  private static Store getStore(ExtensionContext extensionContext) {314    return extensionContext.getStore(SOFT_ASSERTIONS_EXTENSION_NAMESPACE);315  }316  private static ThreadLocalErrorCollector getThreadLocalCollector(ExtensionContext context) {317    return getStore(context).getOrComputeIfAbsent(ThreadLocalErrorCollector.class, unused -> new ThreadLocalErrorCollector(),318                                                  ThreadLocalErrorCollector.class);319  }320  /**321   * Returns the {@link AssertionErrorCollector} for the given extension context, if none exists for the current context then322   * one is created.323   * <p>324   * This method is thread safe - all extensions attempting to access the {@code AssertionErrorCollector} for a given context325   * through this method will get a reference to the same {@code AssertionErrorCollector} instance, regardless of the order326   * in which they are called.327   * <p>328   * Third-party extensions that wish to provide soft-asserting behavior can use this method to obtain the current329   * {@code AssertionErrorCollector} instance and record their assertion failures into it by calling330   * {@link AssertionErrorCollector#collectAssertionError(AssertionError) collectAssertionError(AssertionError)}.<br>331   * In this way their soft assertions will integrate with the existing AssertJ soft assertions and the assertion failures (both332   * AssertJ's and the third-party extension's) will be reported in the order that they occurred.333   *334   * @param context the {@code ExtensionContext} whose error collector we are attempting to retrieve.335   * @return The {@code AssertionErrorCollector} for the given context.336   */337  @Beta338  public static AssertionErrorCollector getAssertionErrorCollector(ExtensionContext context) {339    return getStore(context).getOrComputeIfAbsent(AssertionErrorCollector.class, unused -> new DefaultAssertionErrorCollector(),340                                                  AssertionErrorCollector.class);341  }342  @SuppressWarnings("unchecked")343  private static Collection<SoftAssertionsProvider> getSoftAssertionsProviders(ExtensionContext context) {344    return getStore(context).getOrComputeIfAbsent(Collection.class, unused -> new ConcurrentLinkedQueue<>(), Collection.class);345  }346  private static <T extends SoftAssertionsProvider> T instantiateProvider(ExtensionContext context, Class<T> providerType) {347    T softAssertions = ReflectionSupport.newInstance(providerType);348    // If we are running single-threaded, we won't have any concurrency issues. Likewise,349    // if we are running "per-method", then every test gets its own instance and again there350    // won't be any concurrency issues. But we need to special-case the situation where351    // we are running *both* per class and concurrent - use a thread-local so that each thread352    // gets its own copy. The beforeEach() callback above will take care of setting the353    // ThreadLocal collector's value for the thread in which it is executing.354    if (isPerClassConcurrent(context)) {355      softAssertions.setDelegate(getThreadLocalCollector(context));356    } else if (context.getTestMethod().isPresent()) {357      // If we're already in a method, then set our delegate as the beforeEach() which sets it may have already run.358      softAssertions.setDelegate(getAssertionErrorCollector(context));359    }360    getSoftAssertionsProviders(context).add(softAssertions);361    return softAssertions;362  }363  /**364   * Returns a {@link SoftAssertionsProvider} instance of the given type for the given extension context.365   * If no instance of the given type exists for the supplied context, then one is created.<br>366   * Note that the given type must be a concrete type with an accessible no-arg constructor for this method to work.367   * <p>368   * This method is thread safe - all extensions attempting to access the {@code SoftAssertionsProvider} for a369   * given context through this method will receive end up getting a reference to the same370   * {@code SoftAssertionsProvider} instance of that same type, regardless of the order in which they are called.371   * <p>372   * Third party extensions that wish to use soft assertions in their own implementation can use this373   * to get a {@code SoftAssertionsProvider} instance that interoperates with other soft-asserting374   * extensions (including {@code SoftAssertionsExtension}).375   * <p>376   * The {@code SoftAssertionExtension} will take care of initialising this provider instance's delegate377   * at the appropriate time, so that collected soft assertions are routed to the {@link AssertionErrorCollector}378   * instance for the current context.379   *380   * <pre><code class='java'> public class CustomExtension implements BeforeEachCallback {381   *382   *   {@literal @}Override383   *   public void beforeEach(ExtensionContext context) {384   *     CustomSoftAssertions softly = SoftAssertionsExtension.getSoftAssertionsProvider(context, CustomSoftAssertions.class);385   *     softly.assertThat(1).isOne();386   *   }387   * }</code>388   * </pre>389   *390   * @param <T> the type of {@link SoftAssertionsProvider} to instantiate.391   * @param context the {@code ExtensionContext} whose error collector we are attempting to retrieve.392   * @param concreteSoftAssertionsProviderType the class instance for the type of soft assertions393   * @return The {@code AssertionErrorCollector} for the given context.394   */395  @Beta396  public static <T extends SoftAssertionsProvider> T getSoftAssertionsProvider(ExtensionContext context,397                                                                               Class<T> concreteSoftAssertionsProviderType) {398    return getStore(context).getOrComputeIfAbsent(concreteSoftAssertionsProviderType,399                                                  unused -> instantiateProvider(context, concreteSoftAssertionsProviderType),400                                                  concreteSoftAssertionsProviderType);401  }402  private static void setTestInstanceSoftAssertionsField(Object testInstance, Field softAssertionsField,403                                                         SoftAssertionsProvider softAssertions) {404    softAssertionsField.setAccessible(true);405    try {406      softAssertionsField.set(testInstance, softAssertions);407    } catch (IllegalAccessException e) {408      throw new ExtensionConfigurationException(format("[%s] Could not gain access to field", softAssertionsField.getName()), e);409    }410  }411  private static void checkHasDefaultConstructor(Field softAssertionsField,412                                                 Class<? extends SoftAssertionsProvider> softAssertionsProviderClass) {413    try {414      softAssertionsProviderClass.getDeclaredConstructor();415    } catch (@SuppressWarnings("unused") Exception e) {416      throw new ExtensionConfigurationException(format("[%s] SoftAssertionsProvider [%s] does not have a default constructor",417                                                       softAssertionsField.getName(), softAssertionsProviderClass.getName()));418    }419  }420  private static void checkIsNotAbstract(Field softAssertionsField,421                                         Class<? extends SoftAssertionsProvider> softAssertionsProviderClass) {422    if (Modifier.isAbstract(softAssertionsProviderClass.getModifiers())) {423      throw new ExtensionConfigurationException(format("[%s] SoftAssertionsProvider [%s] is abstract and cannot be instantiated.",424                                                       softAssertionsField.getName(), softAssertionsProviderClass));425    }426  }427  @SuppressWarnings("unchecked")428  private static Class<? extends SoftAssertionsProvider> asSoftAssertionsProviderClass(Field softAssertionsField,429                                                                                       Class<?> providerClass) {430    if (!SoftAssertionsProvider.class.isAssignableFrom(providerClass)) {431      throw new ExtensionConfigurationException(format("[%s] field is not a SoftAssertionsProvider (%s).",432                                                       softAssertionsField.getName(), providerClass.getTypeName()));433    }434    // Guaranteed because of the sanity check...

checkIsNotAbstract

Using AI Code Generation

1package org.assertj.core.api.junit.jupiter;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.extension.ExtendWith;4import org.junit.jupiter.api.extension.ExtensionContext;5import org.junit.jupiter.api.extension.ExtensionContext.Namespace;6import org.junit.jupiter.api.extension.ExtensionContext.Store;7import org.junit.jupiter.api.extension.TestInstancePostProcessor;8import org.junit.jupiter.api.extension.TestTemplateInvocationContext;9import org.junit.jupiter.api.extension.TestTemplateInvocationContextProvider;10import org.junit.jupiter.api.extension.TestWatcher;11import org.junit.platform.commons.support.AnnotationSupport;12import org.opentest4j.TestAbortedException;13import java.lang.reflect.Method;14import java.util.List;15import java.util.Optional;16import java.util.function.Consumer;17import java.util.stream.Stream;18import static java.util.stream.Collectors.toList;19import static org.assertj.core.api.Assertions.assertThat;20import static org.assertj.core.api.Assertions.fail;21import static org.assertj.core.util.Lists.newArrayList;22import static org.junit.platform.commons.util.AnnotationUtils.findAnnotation;23import static org.junit.platform.commons.util.ReflectionUtils.findMethods;24import static org.junit.platform.commons.util.ReflectionUtils.isPrivate;25import static org.junit.platform.commons.util.ReflectionUtils.isStatic;26import static org.junit.platform.commons.util.ReflectionUtils.makeAccessible;27public class SoftAssertionsExtension implements TestWatcher, TestTemplateInvocationContextProvider, TestInstancePostProcessor {28  private static final Namespace NAMESPACE = Namespace.create(SoftAssertionsExtension.class);29  private static final String STORE_KEY = "softAssertions";30  private static final String ABSTRACT_CLASS_ERROR_MESSAGE = "The test class must not be abstract.";31  public void postProcessTestInstance(Object testInstance, ExtensionContext context) {32    checkIsNotAbstract(testInstance.getClass(), context);33    Store store = getStore(context);34    store.put(STORE_KEY, new SoftAssertions());35  }36  public boolean supportsTestTemplate(ExtensionContext context) {37    return true;38  }39  public Stream<TestTemplateInvocationContext> provideTestTemplateInvocationContexts(ExtensionContext context) {40    List<Method> methods = findTestTemplateMethods(context.getRequiredTestClass());41    return methods.stream()42                  .map(method -> new SoftAssertionsInvocationContext(method));43  }44  private List<Method> findTestTemplateMethods(Class<?> testClass) {45    return findMethods(testClass, method -> isTestTemplateMethod(method, testClass));46  }47  private boolean isTestTemplateMethod(Method

checkIsNotAbstract

Using AI Code Generation

1@ExtendWith(SoftAssertionsExtension.class)2class SoftAssertionsExtensionTest {3  void testSoftly(SoftAssertions softly) {4    softly.checkIsNotAbstract("java.lang.String");5    softly.checkIsNotAbstract("java.lang.Object");6  }7}8org.junit.jupiter.api.extension.ParameterResolutionException: No ParameterResolver registered for parameter [org.assertj.core.api.SoftAssertions param0] in method [void SoftAssertionsExtensionTest.testSoftly(org.assertj.core.api.SoftAssertions)]. Registered resolvers are: []9	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:200)10	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183)11	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74)12	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:212)13	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)14	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:208)15	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:137)16	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:71)17	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:135)18	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)19	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)20	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)21	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)22	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)23	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)24	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)25	at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)26	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)27	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)

checkIsNotAbstract

Using AI Code Generation

1import org.junit.jupiter.api.BeforeEach;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.extension.ExtendWith;4import org.junit.jupiter.api.extension.ExtensionContext;5import org.junit.jupiter.api.extension.TestInstancePostProcessor;6import org.junit.jupiter.api.extension.TestTemplateInvocationContext;7import org.junit.jupiter.api.extension.TestTemplateInvocationContextProvider;8import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtension;9import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest;10import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider;11import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext;12import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor;13import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.InterceptorInvocationContext;14import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.InterceptorInvocationContext.InterceptorInvocationMode;15import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation;16import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation.InvocationMode;17import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation.InvocationMode.InvocationModeContext;18import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation.InvocationMode.InvocationModeContext.InvocationModeContextMode;19import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation.InvocationMode.InvocationModeContext.InvocationModeContextMode.InvocationModeContextModeContext;20import org.junit.jupiter.api.extension.TestTemplateInvocationContextProviderExtensionTest.CustomTestTemplateInvocationContextProvider.CustomTestTemplateInvocationContext.InvocationInterceptor.Invocation.InvocationMode.InvocationModeContext.InvocationMode

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.