How to use JGivenUserException class of com.tngtech.jgiven.exception package

Best JGiven code snippet using com.tngtech.jgiven.exception.JGivenUserException

Source:ScenarioExecutor.java

...10import com.tngtech.jgiven.annotation.ScenarioStage;11import com.tngtech.jgiven.attachment.Attachment;12import com.tngtech.jgiven.exception.FailIfPassedException;13import com.tngtech.jgiven.exception.JGivenMissingRequiredScenarioStateException;14import com.tngtech.jgiven.exception.JGivenUserException;15import com.tngtech.jgiven.impl.inject.ValueInjector;16import com.tngtech.jgiven.impl.intercept.NoOpScenarioListener;17import com.tngtech.jgiven.impl.intercept.ScenarioListener;18import com.tngtech.jgiven.impl.intercept.StageTransitionHandler;19import com.tngtech.jgiven.impl.intercept.StepInterceptorImpl;20import com.tngtech.jgiven.impl.util.FieldCache;21import com.tngtech.jgiven.impl.util.ReflectionUtil;22import com.tngtech.jgiven.integration.CanWire;23import com.tngtech.jgiven.report.model.InvocationMode;24import com.tngtech.jgiven.report.model.NamedArgument;25import java.lang.annotation.Annotation;26import java.lang.reflect.Field;27import java.lang.reflect.Method;28import java.util.ArrayList;29import java.util.LinkedHashMap;30import java.util.List;31import java.util.Map;32import java.util.Optional;33import org.slf4j.Logger;34import org.slf4j.LoggerFactory;35/**36 * Main class of JGiven for executing scenarios.37 */38public class ScenarioExecutor {39    private static final Logger log = LoggerFactory.getLogger(ScenarioExecutor.class);40    enum State {41        INIT,42        STARTED,43        FINISHED44    }45    private Object currentTopLevelStage;46    private State state = State.INIT;47    private boolean beforeScenarioMethodsExecuted;48    /**49     * Whether life cycle methods should be executed.50     * This is only false for scenarios that are annotated with @NotImplementedYet51     */52    private boolean executeLifeCycleMethods = true;53    protected final Map<Class<?>, StageState> stages = new LinkedHashMap<>();54    private final List<Object> scenarioRules = new ArrayList<>();55    private final ValueInjector injector = new ValueInjector();56    private StageCreator stageCreator = createStageCreator(new ByteBuddyStageClassCreator());57    private ScenarioListener listener = new NoOpScenarioListener();58    protected final StageTransitionHandler stageTransitionHandler = new StageTransitionHandlerImpl();59    protected final StepInterceptorImpl methodInterceptor =60        new StepInterceptorImpl(this, listener, stageTransitionHandler);61    /**62     * Set if an exception was thrown during the execution of the scenario and63     * suppressStepExceptions is true.64     */65    private Throwable failedException;66    private boolean failIfPass;67    /**68     * Whether exceptions caught while executing steps should be thrown at the end69     * of the scenario. Only relevant if suppressStepExceptions is true, because otherwise70     * the exceptions are not caught at all.71     */72    private boolean suppressExceptions;73    /**74     * Whether exceptions thrown while executing steps should be suppressed or not.75     * Only relevant for normal executions of scenarios.76     */77    private boolean suppressStepExceptions = true;78    /**79     * Create a new ScenarioExecutor instance.80     */81    public ScenarioExecutor() {82        injector.injectValueByType(ScenarioExecutor.class, this);83        injector.injectValueByType(CurrentStep.class, new StepAccessImpl());84        injector.injectValueByType(CurrentScenario.class, new ScenarioAccessImpl());85    }86    class StepAccessImpl implements CurrentStep {87        @Override88        public void addAttachment(Attachment attachment) {89            listener.attachmentAdded(attachment);90        }91        @Override92        public void setExtendedDescription(String extendedDescription) {93            listener.extendedDescriptionUpdated(extendedDescription);94        }95        @Override96        public void setName(String name) {97            listener.stepNameUpdated(name);98        }99        @Override100        public void setComment(String comment) {101            listener.stepCommentUpdated(comment);102        }103    }104    class ScenarioAccessImpl implements CurrentScenario {105        @Override106        public void addTag(Class<? extends Annotation> annotationClass, String... values) {107            listener.tagAdded(annotationClass, values);108        }109    }110    class StageTransitionHandlerImpl implements StageTransitionHandler {111        @Override112        public void enterStage(Object parentStage, Object childStage) throws Throwable {113            if (parentStage == childStage || currentTopLevelStage == childStage) { // NOSONAR: reference comparison OK114                return;115            }116            // if currentStage == null, this means that no stage at117            // all has been executed, thus we call all beforeScenarioMethods118            if (currentTopLevelStage == null) {119                ensureBeforeScenarioMethodsAreExecuted();120            } else {121                // in case parentStage == null, this is the first top-level122                // call on this stage, thus we have to call the afterStage methods123                // from the current top level stage124                if (parentStage == null) {125                    executeAfterStageMethods(currentTopLevelStage);126                    readScenarioState(currentTopLevelStage);127                } else {128                    // as the parent stage is not null, we have a true child call129                    // thus we have to read the state from the parent stage130                    readScenarioState(parentStage);131                    // if there has been a child stage that was executed before132                    // and the new child stage is different, we have to execute133                    // the after stage methods of the previous child stage134                    StageState stageState = getStageState(parentStage);135                    if (stageState.currentChildStage != null && stageState.currentChildStage != childStage136                        && !afterStageMethodsCalled(stageState.currentChildStage)) {137                        updateScenarioState(stageState.currentChildStage);138                        executeAfterStageMethods(stageState.currentChildStage);139                        readScenarioState(stageState.currentChildStage);140                    }141                    stageState.currentChildStage = childStage;142                }143            }144            updateScenarioState(childStage);145            executeBeforeStageMethods(childStage);146            if (parentStage == null) {147                currentTopLevelStage = childStage;148            }149        }150        @Override151        public void leaveStage(Object parentStage, Object childStage) throws Throwable {152            if (parentStage == childStage || parentStage == null) {153                return;154            }155            readScenarioState(childStage);156            // in case we leave a child stage that itself had a child stage157            // we have to execute the after stage method of that transitive child158            StageState childState = getStageState(childStage);159            if (childState.currentChildStage != null) {160                updateScenarioState(childState.currentChildStage);161                if (!getStageState(childState.currentChildStage).allAfterStageMethodsHaveBeenExecuted()) {162                    executeAfterStageMethods(childState.currentChildStage);163                    readScenarioState(childState.currentChildStage);164                    updateScenarioState(childStage);165                }166                childState.currentChildStage = null;167            }168            updateScenarioState(parentStage);169        }170    }171    @SuppressWarnings("unchecked")172    <T> T addStage(Class<T> stageClass) {173        if (stages.containsKey(stageClass)) {174            return (T) stages.get(stageClass).instance;175        }176        T result = stageCreator.createStage(stageClass, methodInterceptor);177        methodInterceptor.enableMethodInterception(true);178        stages.put(stageClass, new StageState(result, methodInterceptor));179        gatherRules(result);180        injectStages(result);181        return result;182    }183    public void addIntroWord(String word) {184        listener.introWordAdded(word);185    }186    @SuppressWarnings("unchecked")187    private void gatherRules(Object stage) {188        for (Field field : FieldCache.get(stage.getClass()).getFieldsWithAnnotation(ScenarioRule.class)) {189            log.debug("Found rule in field {} ", field);190            try {191                scenarioRules.add(field.get(stage));192            } catch (IllegalAccessException e) {193                throw new RuntimeException("Error while reading field " + field, e);194            }195        }196    }197    private <T> void updateScenarioState(T t) {198        try {199            injector.updateValues(t);200        } catch (JGivenMissingRequiredScenarioStateException e) {201            if (!suppressExceptions) {202                throw e;203            }204        }205    }206    private boolean afterStageMethodsCalled(Object stage) {207        return getStageState(stage).allAfterStageMethodsHaveBeenExecuted();208    }209    //TODO: nicer stage search?210    // What may happen if there is a common superclass to two distinct implementations? Is that even possible?211    StageState getStageState(Object stage) {212        Class<?> stageClass = stage.getClass();213        StageState stageState = stages.get(stageClass);214        while (stageState == null && stageClass != stageClass.getSuperclass()) {215            stageState = stages.get(stageClass);216            stageClass = stageClass.getSuperclass();217        }218        return stageState;219    }220    private void ensureBeforeScenarioMethodsAreExecuted() throws Throwable {221        if (state != State.INIT) {222            return;223        }224        state = STARTED;225        methodInterceptor.enableMethodInterception(false);226        try {227            for (Object rule : scenarioRules) {228                invokeRuleMethod(rule, "before");229            }230            beforeScenarioMethodsExecuted = true;231            for (StageState stage : stages.values()) {232                executeBeforeScenarioMethods(stage.instance);233            }234        } catch (Throwable e) {235            failed(e);236            finished();237            throw e;238        }239        methodInterceptor.enableMethodInterception(true);240    }241    private void invokeRuleMethod(Object rule, String methodName) throws Throwable {242        if (!executeLifeCycleMethods) {243            return;244        }245        Optional<Method> optionalMethod = ReflectionUtil.findMethodTransitively(rule.getClass(), methodName);246        if (!optionalMethod.isPresent()) {247            log.debug("Class {} has no {} method, but was used as ScenarioRule!", rule.getClass(), methodName);248            return;249        }250        try {251            ReflectionUtil.invokeMethod(rule, optionalMethod.get(), " of rule class " + rule.getClass().getName());252        } catch (JGivenUserException e) {253            throw e.getCause();254        }255    }256    private void executeBeforeScenarioMethods(Object stage) throws Throwable {257        getStageState(stage).executeBeforeScenarioMethods(!executeLifeCycleMethods);258    }259    private void executeBeforeStageMethods(Object stage) throws Throwable {260        getStageState(stage).executeBeforeStageMethods(!executeLifeCycleMethods);261    }262    private void executeAfterStageMethods(Object stage) throws Throwable {263        getStageState(stage).executeAfterStageMethods(!executeLifeCycleMethods);264    }265    private void executeAfterScenarioMethods(Object stage) throws Throwable {266        getStageState(stage).executeAfterScenarioMethods(!executeLifeCycleMethods);...

Source:StageLifecycleManager.java

2import com.tngtech.jgiven.annotation.AfterScenario;3import com.tngtech.jgiven.annotation.AfterStage;4import com.tngtech.jgiven.annotation.BeforeScenario;5import com.tngtech.jgiven.annotation.BeforeStage;6import com.tngtech.jgiven.exception.JGivenUserException;7import com.tngtech.jgiven.impl.intercept.StepInterceptorImpl;8import com.tngtech.jgiven.impl.util.ReflectionUtil;9import java.lang.annotation.Annotation;10import java.lang.reflect.Method;11import java.util.Arrays;12import java.util.HashMap;13import java.util.Map;14import java.util.Optional;15import java.util.function.Predicate;16import java.util.stream.Stream;17import org.slf4j.Logger;18import org.slf4j.LoggerFactory;19class StageLifecycleManager {20    private static final Logger log = LoggerFactory.getLogger(StageLifecycleManager.class);21    private final Object instance;22    private final StepInterceptorImpl methodInterceptor;23    private final LifecycyleMethodManager<AfterStage> afterStageRegister;24    private final LifecycyleMethodManager<BeforeStage> beforeStageRegister;25    private final LifecycyleMethodManager<BeforeScenario> beforeScenarioRegister;26    private final LifecycyleMethodManager<AfterScenario> afterScenarioRegister;27    StageLifecycleManager(Object instance, StepInterceptorImpl methodInterceptor) {28        this.methodInterceptor = methodInterceptor;29        this.instance = instance;30        afterStageRegister = new LifecycyleMethodManager<>(AfterStage.class, AfterStage::repeatable);31        beforeStageRegister = new LifecycyleMethodManager<>(BeforeStage.class, BeforeStage::repeatable);32        beforeScenarioRegister = new LifecycyleMethodManager<>(BeforeScenario.class, (it) -> false);33        afterScenarioRegister = new LifecycyleMethodManager<>(AfterScenario.class, (it) -> false);34    }35    boolean allAfterStageMethodsHaveBeenExecuted() {36        return afterStageRegister.allMethodsHaveBeenExecuted();37    }38    void executeAfterStageMethods(boolean fakeExecution) throws Throwable {39        executeLifecycleMethods(afterStageRegister, fakeExecution);40    }41    void executeBeforeStageMethods(boolean fakeExecution) throws Throwable {42        executeLifecycleMethods(beforeStageRegister, fakeExecution);43    }44    void executeAfterScenarioMethods(boolean fakeExecution) throws Throwable {45        executeLifecycleMethods(afterScenarioRegister, fakeExecution);46    }47    void executeBeforeScenarioMethods(boolean fakeExecution) throws Throwable {48        executeLifecycleMethods(beforeScenarioRegister, fakeExecution);49    }50    private void executeLifecycleMethods(LifecycyleMethodManager<?> register, boolean fakeExecution) throws Throwable {51        if (fakeExecution) {52            register.fakeExecution();53        } else {54            register.executeMethods();55        }56    }57    private enum StepExecutionState {58        EXECUTED(true),59        REPEATABLE(false),60        NOT_EXECUTED(false);61        private final boolean hasBeenExecuted;62        StepExecutionState(boolean hasBeenExecuted) {63            this.hasBeenExecuted = hasBeenExecuted;64        }65        public boolean toBoolean() {66            return this.hasBeenExecuted;67        }68    }69    private class LifecycyleMethodManager<T extends Annotation> {70        private final Class<T> targetAnnotation;71        private final Map<Method, StepExecutionState> register = new HashMap<>();72        private final Predicate<T> predicateFromT;73        private LifecycyleMethodManager(Class<T> targetAnnotation, Predicate<T> predicateFromAnnotation) {74            this.targetAnnotation = targetAnnotation;75            this.predicateFromT = predicateFromAnnotation;76            fillStageRegister(instance);77        }78        @SuppressWarnings({"unchecked"})79        private void fillStageRegister(Object instance) {80            ReflectionUtil.forEachMethod(instance, instance.getClass(), targetAnnotation,81                (object, method) ->82                    Arrays.stream(method.getDeclaredAnnotations())83                        .filter(annotation -> targetAnnotation.isAssignableFrom(annotation.getClass()))84                        .map(annotation -> (T) annotation)85                        .findFirst()86                        .map(it -> predicateFromT.test(it) ? StepExecutionState.REPEATABLE :87                            StepExecutionState.NOT_EXECUTED)88                        .ifPresent(it -> register.put(method, it))89            );90            log.debug("Added methods '{}' as '{}' methods to the register",91                register.keySet(), targetAnnotation.getSimpleName());92        }93        boolean methodMarkedForExecution(Method method) {94            return !Optional.ofNullable(register.get(method))95                .map(StepExecutionState::toBoolean)96                .orElse(true);97        }98        boolean allMethodsHaveBeenExecuted() {99            return register.values().stream().allMatch(StepExecutionState::toBoolean);100        }101        /**102         * Do everything except method invocation.103         */104        void fakeExecution() throws Throwable {105            prepareMethods();106            doExecutionOn(Stream.of());107        }108        void executeMethods() throws Throwable {109            Stream<Method> methodsToExecute = prepareMethods();110            doExecutionOn(methodsToExecute);111        }112        private Stream<Method> prepareMethods() {113            return register.keySet().stream().filter(this::methodMarkedForExecution)114                .peek(this::markStageAsExecuted);115        }116        private void markStageAsExecuted(Method method) {117            StepExecutionState stepState = register.get(method);118            if (stepState == StepExecutionState.NOT_EXECUTED) {119                register.put(method, StepExecutionState.EXECUTED);120            }121        }122        private void doExecutionOn(Stream<Method> methodsToExecute)123            throws Throwable {124            log.debug("Executing methods annotated with @{}", targetAnnotation.getName());125            boolean previousMethodExecution = methodInterceptor.enableMethodExecution(true);126            try {127                methodInterceptor.enableMethodInterception(false);128                methodsToExecute.forEach(method ->129                    ReflectionUtil.invokeMethod(instance, method,130                        " with annotation @" + targetAnnotation.getName()));131                methodInterceptor.enableMethodInterception(true);132            } catch (JGivenUserException e) {133                throw e.getCause();134            } finally {135                methodInterceptor.enableMethodExecution(previousMethodExecution);136            }137        }138    }139}...

Source:JGivenUserException.java

2import java.lang.reflect.Method;3/**4 * This exception is thrown when JGiven tried to execute a user-defined method and that method has thrown an exception.5 */6public class JGivenUserException extends RuntimeException {7    private static final long serialVersionUID = 1L;8    public JGivenUserException( Method method, String methodDescription, Throwable cause ) {9        super( "JGiven caught an exception while trying to execute method " + method + methodDescription + ".", cause );10    }11}...

JGivenUserException

Using AI Code Generation

1import com.tngtech.jgiven.exception.JGivenUserException;2public class JGivenUserExceptionExample {3  public static void main(String[] args) {4    JGivenUserException jgivenUserException = new JGivenUserException("JGiven Exception");5    System.out.println(jgivenUserException.getMessage());6  }7}

JGivenUserException

Using AI Code Generation

1public class JGivenUserExceptionExample {2    public static void main(String[] args) {3        JGivenUserException jGivenUserException = new JGivenUserException("This is a user exception");4        System.out.println(jGivenUserException.getMessage());5    }6}

JGivenUserException

Using AI Code Generation

1import com.tngtech.jgiven.exception.JGivenUserException;2public class JGivenUserExceptionClass {3    public static void main(String[] args) {4        try {5            throw new JGivenUserException("JGivenUserException");6        }7        catch(JGivenUserException e) {8            System.out.println(e.getMessage());9        }10    }11}

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.