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How to use WeightedCucumberScenario class of net.serenitybdd.cucumber.suiteslicing package

Best Serenity Cucumber code snippet using net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario

Source:WeightedCucumberScenarios.java

...17import static org.apache.commons.lang3.ObjectUtils.compare;18import static org.apache.commons.lang3.builder.EqualsBuilder.reflectionEquals;19/**20 * Represents a collection of cucumber scenarios.21 * Can split itself up into a number of smaller WeightedCucumberScenarios.22 * Can return a new WeightedCucumberScenarios that has some scenarios filtered out.23 */24public class WeightedCucumberScenarios {25    private static final Logger LOGGER = LoggerFactory.getLogger(WeightedCucumberScenarios.class);26    public final BigDecimal totalWeighting;27    public final List<WeightedCucumberScenario> scenarios;28    public WeightedCucumberScenarios(List<WeightedCucumberScenario> scenarios) {29        this.scenarios = scenarios;30        this.totalWeighting = scenarios.stream().map(WeightedCucumberScenario::weighting).reduce(ZERO, BigDecimal::add);31    }32    public SliceBuilder slice(int sliceNumber) {33        return new SliceBuilder(sliceNumber, this);34    }35    public List<WeightedCucumberScenarios> sliceInto(int sliceCount) {36        BigDecimal totalWeight = scenarios.stream().map(WeightedCucumberScenario::weighting).reduce(ZERO, BigDecimal::add);37        BigDecimal averageWeightPerSlice = totalWeight.divide(new BigDecimal(sliceCount), 2, RoundingMode.HALF_UP);38        LOGGER.debug("Total weighting for {} scenarios is {}, split across {} slices provides average weighting per slice of {}", scenarios.size(), totalWeight, sliceCount, averageWeightPerSlice);39        List<List<WeightedCucumberScenario>> allScenarios = IntStream.rangeClosed(1, sliceCount).mapToObj(initialiseAs -> new ArrayList<WeightedCucumberScenario>()).collect(toList());40        scenarios.stream()41            .sorted(bySlowestFirst())42            .forEach(scenario -> allScenarios.stream().min(byLowestSumOfDurationFirst()).get().add(scenario));43        return allScenarios.stream().map(WeightedCucumberScenarios::new).collect(toList());44    }45    public ScenarioFilter createFilterContainingScenariosIn(String featureName) {46        LOGGER.debug("Filtering for scenarios in feature {}", featureName);47        List<String> scenarios = this.scenarios.stream()48            .filter(scenario -> {49                boolean matches = scenario.feature.equals(featureName);50                LOGGER.debug("Scenario {} matches {} -> {}", scenario.feature, featureName, matches);51                return matches;52            })53            .map(scenario -> scenario.scenario)54            .collect(toList());55        if (scenarios.isEmpty()) {56            throw new IllegalArgumentException("Can't find feature '" + featureName + "' in this slice");57        }58        return ScenarioFilter.onScenarios(scenarios);59    }60    public WeightedCucumberScenarios filter(Predicate<WeightedCucumberScenario> predicate) {61        return new WeightedCucumberScenarios(scenarios.stream().filter(predicate).collect(toList()));62    }63    @Override64    public int hashCode() {65        return HashCodeBuilder.reflectionHashCode(this);66    }67    @Override68    public boolean equals(Object obj) {69        return reflectionEquals(this, obj);70    }71    @Override72    public String toString() {73        return ToStringBuilder.reflectionToString(this);74    }75    private static Comparator<WeightedCucumberScenario> bySlowestFirst() {76        return (item1, item2) -> compare(item2.weighting(), item1.weighting());77    }78    private static Comparator<List<WeightedCucumberScenario>> byLowestSumOfDurationFirst() {79        return (item1, item2) -> compare(item1.stream().map(WeightedCucumberScenario::weighting).reduce(ZERO, BigDecimal::add),80                                         item2.stream().map(WeightedCucumberScenario::weighting).reduce(ZERO, BigDecimal::add));81    }82    public int totalScenarioCount() {83        return scenarios.stream().map(scenario -> scenario.scenarioCount).reduce(0, Integer::sum);84    }85}...

Source:CucumberScenarioLoader.java

...20import static java.util.Arrays.asList;21import static java.util.stream.Collectors.toList;22import static java.util.stream.Collectors.toSet;23/**24 * Reads cucumber feature files and breaks them down into a collection of scenarios (WeightedCucumberScenarios).25 */26public class CucumberScenarioLoader {27    private static final Logger LOGGER = LoggerFactory.getLogger(CucumberScenarioLoader.class);28    private final List<URI> featurePaths;29    private final TestStatistics statistics;30    public CucumberScenarioLoader(List<URI> featurePaths, TestStatistics statistics) {31        this.featurePaths = featurePaths;32        this.statistics = statistics;33    }34    public WeightedCucumberScenarios load() {35        LOGGER.debug("Feature paths are {}", featurePaths);36        ResourceLoader resourceLoader = new MultiLoader(CucumberSuiteSlicer.class.getClassLoader());37        List<WeightedCucumberScenario> weightedCucumberScenarios = new FeatureLoader(resourceLoader).load(featurePaths).stream()38            .map(getScenarios())39            .flatMap(List::stream)40            .collect(toList());41        return new WeightedCucumberScenarios(weightedCucumberScenarios);42    }43    private Function<CucumberFeature, List<WeightedCucumberScenario>> getScenarios() {44        return cucumberFeature -> {45            try {46                return (cucumberFeature.getGherkinFeature().getFeature() == null) ? Collections.emptyList() : cucumberFeature.getGherkinFeature().getFeature().getChildren()47                    .stream()48                    .filter(child -> asList(ScenarioOutline.class, Scenario.class).contains(child.getClass()))49                    .map(scenarioDefinition -> new WeightedCucumberScenario(50                        PathUtils.getAsFile(cucumberFeature.getUri()).getName(),51                        cucumberFeature.getGherkinFeature().getFeature().getName(),52                        scenarioDefinition.getName(),53                        scenarioWeightFor(cucumberFeature, scenarioDefinition),54                        tagsFor(cucumberFeature, scenarioDefinition),55                        scenarioCountFor(scenarioDefinition)))56                    .collect(toList());57            } catch (Exception e) {58                throw new IllegalStateException(String.format("Could not extract scenarios from %s", cucumberFeature.getUri()), e);59            }60        };61    }62    private int scenarioCountFor(ScenarioDefinition scenarioDefinition) {63        if (scenarioDefinition instanceof ScenarioOutline) {...

Source:WeightedCucumberScenariosTest.java

...7import static org.hamcrest.collection.IsCollectionWithSize.hasSize;8import static org.hamcrest.core.Is.is;9import static org.junit.Assert.assertThat;10import static org.junit.Assert.fail;11public class WeightedCucumberScenariosTest {12    @Test13    public void slicingMoreThinlyThanTheNumberOfScenariosShouldResultInSomeEmptySlices() {14        WeightedCucumberScenario weightedCucumberScenario = new WeightedCucumberScenario("test.feature", "featurename", "scenarioname", BigDecimal.ONE, emptySet(), 0);15        List<WeightedCucumberScenario> scenarios = Collections.singletonList(weightedCucumberScenario);16        WeightedCucumberScenarios oneScenario = new WeightedCucumberScenarios(scenarios);17        List<WeightedCucumberScenarios> weightedCucumberScenarios = oneScenario.sliceInto(100);18        assertThat(weightedCucumberScenarios, hasSize(100));19        assertThat(weightedCucumberScenarios.get(0).scenarios, hasSize(1));20        assertThat(weightedCucumberScenarios.get(0).scenarios.get(0), is(weightedCucumberScenario));21        assertThat(weightedCucumberScenarios.get(1).scenarios, hasSize(0));22        assertThat(weightedCucumberScenarios.get(99).scenarios, hasSize(0));23    }24    @Test25    public void slicingASliceIntoOneSliceOfOneShouldBeTheSameAsAllScenarios() {26        List<WeightedCucumberScenario> scenarios = Collections.singletonList(new WeightedCucumberScenario("test.feature", "featurename", "scenarioname", BigDecimal.ONE, emptySet(), 0));27        WeightedCucumberScenarios oneScenario = new WeightedCucumberScenarios(scenarios);28        WeightedCucumberScenarios fork1 = oneScenario.slice(1).of(1);29        assertThat(oneScenario, is(fork1));30    }31}...

Source:MatchingCucumberScenario.java

...3import org.hamcrest.TypeSafeMatcher;4import java.util.HashSet;5import java.util.Set;6import static java.util.Arrays.asList;7public class MatchingCucumberScenario extends TypeSafeMatcher<WeightedCucumberScenario> {8    private String featurePath;9    private String feature;10    private String scenario;11    private Set<String> tags;12    private MatchingCucumberScenario() {13    }14    public static MatchingCucumberScenario with() {15        return new MatchingCucumberScenario();16    }17    public MatchingCucumberScenario featurePath(String featurePath) {18        this.featurePath = featurePath;19        return this;20    }21    public MatchingCucumberScenario feature(String feature) {22        this.feature = feature;23        return this;24    }25    public MatchingCucumberScenario scenario(String scenario) {26        this.scenario = scenario;27        return this;28    }29    @Override30    protected boolean matchesSafely(WeightedCucumberScenario weightedCucumberScenario) {31        return (feature == null || feature.equals(weightedCucumberScenario.feature)) &&32               (featurePath == null || featurePath.equals(weightedCucumberScenario.featurePath)) &&33               (scenario == null || scenario.equals(weightedCucumberScenario.scenario)) &&34               (tags == null || tags.equals(weightedCucumberScenario.tags));35    }36    @Override37    public void describeTo(Description description) {38        description.appendText("A WeightedCucumberScenario matching: featurePath: " + featurePath +39                               ", feature: " + feature);40    }41    public MatchingCucumberScenario tags(String... tags) {42        this.tags = new HashSet<>(asList(tags));43        return this;44    }45}...

Source:WeightedCucumberScenario.java

...3import java.math.BigDecimal;4import java.util.Set;5import static org.apache.commons.lang3.builder.EqualsBuilder.reflectionEquals;6import static org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString;7public class WeightedCucumberScenario {8    public final String featurePath;9    public final String feature;10    public final String scenario;11    public final int scenarioCount;12    public final BigDecimal weighting;13    public final Set<String> tags;14    public WeightedCucumberScenario(String featurePath, String feature, String scenario, BigDecimal weighting, Set<String> tags, int scenarioCount) {15        this.featurePath = featurePath;16        this.feature = feature;17        this.scenario = scenario;18        this.weighting = weighting;19        this.tags = tags;20        this.scenarioCount = scenarioCount;21    }22    public BigDecimal weighting() {23        return weighting;24    }25    @Override26    public int hashCode() {27        return HashCodeBuilder.reflectionHashCode(this);28    }...

Source:CucumberSuiteSlicer.java

...10    public CucumberSuiteSlicer(List<URI> featurePaths, TestStatistics statistics) {11        this.featurePaths = featurePaths;12        this.statistics = statistics;13    }14    public WeightedCucumberScenarios scenarios(int batchNumber, int batchCount, int forkNumber, int forkCount, List<String> tagFilters) {15        return new CucumberScenarioLoader(featurePaths, statistics).load()16            .filter(forSuppliedTags(tagFilters))17            .slice(batchNumber).of(batchCount).slice(forkNumber).of(forkCount);18    }19    private Predicate<WeightedCucumberScenario> forSuppliedTags(List<String> tagFilters) {20        return cucumberScenario -> TagParser.parseFromTagFilters(tagFilters).evaluate(newArrayList(cucumberScenario.tags));21    }22}...

WeightedCucumberScenario

Using AI Code Generation

1import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario2import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario3import java.util.function.Supplier4public class WeightedScenarioSupplier implements Supplier<WeightedCucumberScenario> {5    public WeightedCucumberScenario get() {6        return new WeightedCucumberScenario("some.feature", 1);7    }8}9import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario10import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario11import java.util.function.Supplier12public class WeightedScenarioSupplier implements Supplier<WeightedCucumberScenario> {13    public WeightedCucumberScenario get() {14        return new WeightedCucumberScenario("some.feature", 1);15    }16}17import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario18import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario19import java.util.function.Supplier20public class WeightedScenarioSupplier implements Supplier<WeightedCucumberScenario> {21    public WeightedCucumberScenario get() {22        return new WeightedCucumberScenario("some.feature", 1);23    }24}25import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario26import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario27import java.util.function.Supplier28public class WeightedScenarioSupplier implements Supplier<WeightedCucumberScenario> {29    public WeightedCucumberScenario get() {30        return new WeightedCucumberScenario("some.feature", 1);31    }32}33import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario34import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario35import java.util.function.Supplier36public class WeightedScenarioSupplier implements Supplier<WeightedCucumberScenario> {37    public WeightedCucumberScenario get() {38        return new WeightedCucumberScenario("some.feature", 1);39    }40}41import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario42import net.serenitybdd.cucumber.suiteslicing.WeightedCucumberScenario43import java.util.function.Supplier

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