How to use injectStages method of com.tngtech.jgiven.impl.ScenarioExecutor class

Best JGiven code snippet using com.tngtech.jgiven.impl.ScenarioExecutor.injectStages

Source:ScenarioExecutor.java

...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);267    }268    public void readScenarioState(Object object) {269        injector.readValues(object);270    }271    /**272     * Used for DI frameworks to inject values into stages.273     */274    public void wireSteps(CanWire canWire) {275        for (StageState steps : stages.values()) {276            canWire.wire(steps.instance);277        }278    }279    /**280     * Has to be called when the scenario is finished in order to execute after methods.281     */282    public void finished() throws Throwable {283        if (state == FINISHED) {284            return;285        }286        State previousState = state;287        state = FINISHED;288        methodInterceptor.enableMethodInterception(false);289        try {290            if (previousState == STARTED) {291                callFinishLifeCycleMethods();292            }293        } finally {294            listener.scenarioFinished();295        }296    }297    private void callFinishLifeCycleMethods() throws Throwable {298        Throwable firstThrownException = failedException;299        if (beforeScenarioMethodsExecuted) {300            try {301                if (currentTopLevelStage != null) {302                    executeAfterStageMethods(currentTopLevelStage);303                }304            } catch (Exception e) {305                firstThrownException = logAndGetFirstException(firstThrownException, e);306            }307            for (StageState stage : reverse(newArrayList(stages.values()))) {308                try {309                    executeAfterScenarioMethods(stage.instance);310                } catch (Exception e) {311                    firstThrownException = logAndGetFirstException(firstThrownException, e);312                }313            }314        }315        for (Object rule : reverse(scenarioRules)) {316            try {317                invokeRuleMethod(rule, "after");318            } catch (Exception e) {319                firstThrownException = logAndGetFirstException(firstThrownException, e);320            }321        }322        failedException = firstThrownException;323        if (!suppressExceptions && failedException != null) {324            throw failedException;325        }326        if (failIfPass && failedException == null) {327            throw new FailIfPassedException();328        }329    }330    private Throwable logAndGetFirstException(Throwable firstThrownException, Throwable newException) {331        log.error(newException.getMessage(), newException);332        return firstThrownException == null ? newException : firstThrownException;333    }334    /**335     * Initialize the fields annotated with {@link ScenarioStage} in the test class.336     */337    @SuppressWarnings("unchecked")338    public void injectStages(Object stage) {339        for (Field field : FieldCache.get(stage.getClass()).getFieldsWithAnnotation(ScenarioStage.class)) {340            Object steps = addStage(field.getType());341            ReflectionUtil.setField(field, stage, steps, ", annotated with @ScenarioStage");342        }343    }344    public boolean hasFailed() {345        return failedException != null;346    }347    public Throwable getFailedException() {348        return failedException;349    }350    public void setFailedException(Exception e) {351        failedException = e;352    }...

Source:ScenarioExecutorTest.java

...74    @Test75    public void steps_are_injected() {76        ScenarioExecutor executor = new ScenarioExecutor();77        TestClass testClass = new TestClass();78        executor.injectStages( testClass );79        assertThat( testClass.step ).isNotNull();80        assertThat( testClass.step.subStep ).isNotNull();81    }82    @Test83    public void recursive_steps_are_injected_correctly() {84        ScenarioExecutor executor = new ScenarioExecutor();85        RecursiveTestClass testClass = new RecursiveTestClass();86        executor.injectStages( testClass );87        assertThat( testClass.step ).isNotNull();88        assertThat( testClass.step.step ).isSameAs( testClass.step );89    }90    @Test91    public void BeforeStage_methods_may_not_have_parameters() {92        expectedExceptionRule.expect( JGivenExecutionException.class );93        expectedExceptionRule.expectMessage( "Could not execute method 'setup' of class 'BeforeStageWithParameters'" );94        expectedExceptionRule.expectMessage( ", because it requires parameters" );95        ScenarioExecutor executor = new ScenarioExecutor();96        BeforeStageWithParameters stage = executor.addStage( BeforeStageWithParameters.class );97        executor.startScenario( "Test" );98        stage.something();99    }100    @Test...

Source:MockScenarioExecutor.java

...46    ) {47        ((StageInterceptorInternal) result).__jgiven_setStepInterceptor(stepInterceptor);48    }49    @SuppressWarnings("unchecked")50    public void injectStages(Object stage) {51        for (Field field : FieldCache.get(stage.getClass())52                                     .getFieldsWithAnnotation(ScenarioStage.class)) {53            Object steps = addStage(field.getType());54            ReflectionUtil.setField(field, stage, steps, ", annotated with @ScenarioStage");55        }56        MockitoAnnotations.initMocks(stage);57    }58}...

injectStages

Using AI Code Generation

1package com.tngtech.jgiven.example;2import com.tngtech.jgiven.Stage;3import com.tngtech.jgiven.annotation.ProvidedScenarioState;4import com.tngtech.jgiven.annotation.ScenarioState;5import com.tngtech.jgiven.annotation.Table;6import com.tngtech.jgiven.annotation.TableHeader;7import com.tngtech.jgiven.annotation.TableRow;8import com.tngtech.jgiven.config.AbstractJGivenConfiguration;9import com.tngtech.jgiven.config.JGivenConfiguration;10import com.tngtech.jgiven.impl.ScenarioExecutor;11import com.tngtech.jgiven.junit.SimpleScenarioTest;12import com.tngtech.jgiven.report.model.ExecutionStatus;13import com.tngtech.jgiven.report.model.ReportModel;14import com.tngtech.jgiven.report.model.ScenarioModel;15import com.tngtech.jgiven.report.model.StepModel;16import com.tngtech.jgiven.report.text.TextReportGenerator;17import org.junit.Test;18import java.util.ArrayList;19import java.util.List;20public class JGivenTest extends SimpleScenarioTest<GivenTest, WhenTest, ThenTest> {21    public void test() {22        List<Stage<?>> stages = new ArrayList<Stage<?>>();23        stages.add(new GivenTest().some_state());24        stages.add(new WhenTest().some_action());25        stages.add(new ThenTest().some_outcome());26        ScenarioExecutor scenarioExecutor = new ScenarioExecutor();27        scenarioExecutor.setConfiguration(new AbstractJGivenConfiguration() {28            public boolean isHtmlReportEnabled() {29                return false;30            }31        });32        scenarioExecutor.setScenarioClass(getClass());33        scenarioExecutor.setScenarioModel(new ScenarioModel());34        scenarioExecutor.injectStages(stages);35        ReportModel reportModel = new ReportModel();36        reportModel.addScenarioModel(scenarioExecutor.getScenarioModel());37        TextReportGenerator textReportGenerator = new TextReportGenerator();38        textReportGenerator.setConfiguration(new AbstractJGivenConfiguration() {39            public boolean isHtmlReportEnabled() {40                return false;41            }42        });43        textReportGenerator.setReportModel(reportModel);44        textReportGenerator.generateReport();45    }46}47package com.tngtech.jgiven.example;48import com.tngtech.jgiven.Stage;49import com.tngtech.jgiven.annotation.ProvidedScenarioState;50public class GivenTest extends Stage<GivenTest> {51    Object someState;

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