KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use ConstructorBlock class of com.greghaskins.spectrum.internal.blocks package

Best Spectrum code snippet using com.greghaskins.spectrum.internal.blocks.ConstructorBlock

Source:Spectrum.java

1package com.greghaskins.spectrum;2import com.greghaskins.spectrum.dsl.specification.Specification;3import com.greghaskins.spectrum.internal.DeclarationState;4import com.greghaskins.spectrum.internal.Suite;5import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;6import com.greghaskins.spectrum.internal.junit.Rules;7import com.greghaskins.spectrum.internal.junit.RunNotifierReporting;8import org.junit.runner.Description;9import org.junit.runner.Runner;10import org.junit.runner.notification.RunNotifier;11import java.util.function.Supplier;12/**13 * Implements a BDD-style test runner, similar to RSpec and Jasmine. It uses JUnit's standard14 * reporting mechanisms ({@link org.junit.runner.Description}), but provides a completely different15 * way of writing tests. Annotate your class with {@code @RunWith(Spectrum.class)}, and use the16 * static methods to declare your specs.17 *18 * @see Specification#describe19 * @see Specification#it20 * @see Specification#beforeEach21 * @see Specification#afterEach22 * @see Specification#let23 */24public final class Spectrum extends Runner {25  /**26   * A generic code block with a {@link #run()} method to perform any action. Usually defined by a27   * lambda function.28   *29   * @deprecated since 1.1.0 - use {@link com.greghaskins.spectrum.Block} instead30   */31  @Deprecated32  @FunctionalInterface33  public interface Block extends com.greghaskins.spectrum.Block {34    /**35     * Execute the code block, raising any {@code Throwable} that may occur.36     *37     * @throws Throwable any uncaught Error or Exception38     */39    @Override40    void run() throws Throwable;41  }42  /**43   * Supplier that is allowed to throw.44   *45   * @param <T> type of object to supply46   * @deprecated since 1.1.0 - use {@link com.greghaskins.spectrum.ThrowingSupplier} instead47   */48  @Deprecated49  @FunctionalInterface50  public interface ThrowingSupplier<T> extends com.greghaskins.spectrum.ThrowingSupplier<T> {51  }52  /**53   * Declare a test suite that describes the expected behavior of the system in a given context.54   *55   * @param context Description of the context for this suite56   * @param block   {@link com.greghaskins.spectrum.Block} with one or more calls to {@link57   *                #it(String, com.greghaskins.spectrum.Block) it} that define each expected58   *                behavior59   * @see Specification#describe60   */61  public static void describe(final String context, final com.greghaskins.spectrum.Block block) {62    Specification.describe(context, block);63  }64  /**65   * Focus on this specific suite, while ignoring others.66   *67   * @param context Description of the context for this suite68   * @param block   {@link com.greghaskins.spectrum.Block} with one or more calls to {@link69   *                #it(String, com.greghaskins.spectrum.Block) it} that define each expected70   *                behavior71   * @see #describe(String, com.greghaskins.spectrum.Block)72   * @see Specification#fdescribe73   */74  public static void fdescribe(final String context, final com.greghaskins.spectrum.Block block) {75    Specification.fdescribe(context, block);76  }77  /**78   * Ignore the specific suite.79   *80   * @param context Description of the context for this suite81   * @param block   {@link com.greghaskins.spectrum.Block} with one or more calls to {@link82   *                #it(String, com.greghaskins.spectrum.Block) it} that define each expected83   *                behavior84   * @see #describe(String, com.greghaskins.spectrum.Block)85   * @see Specification#xdescribe86   */87  public static void xdescribe(final String context, final com.greghaskins.spectrum.Block block) {88    Specification.xdescribe(context, block);89  }90  /**91   * Declare a spec, or test, for an expected behavior of the system in this suite context.92   *93   * @param behavior Description of the expected behavior94   * @param block    {@link com.greghaskins.spectrum.Block} that verifies the system behaves as95   *                 expected and throws a {@link java.lang.Throwable Throwable} if that expectation96   *                 is not met.97   * @see Specification#it98   */99  public static void it(final String behavior, final com.greghaskins.spectrum.Block block) {100    Specification.it(behavior, block);101  }102  /**103   * Declare a pending spec (without a block) that will be ignored.104   *105   * @param behavior Description of the expected behavior106   * @see #xit(String, com.greghaskins.spectrum.Block)107   * @see Specification#it(String)108   */109  public static void it(final String behavior) {110    Specification.it(behavior);111  }112  /**113   * Focus on this specific spec, while ignoring others.114   *115   * @param behavior Description of the expected behavior116   * @param block    {@link com.greghaskins.spectrum.Block} that verifies the system behaves as117   *                 expected and throws a {@link java.lang.Throwable Throwable} if that expectation118   *                 is not met.119   * @see #it(String, com.greghaskins.spectrum.Block)120   * @see Specification#fit121   */122  public static void fit(final String behavior, final com.greghaskins.spectrum.Block block) {123    Specification.fit(behavior, block);124  }125  /**126   * Mark a spec as ignored so that it will be skipped.127   *128   * @param behavior Description of the expected behavior129   * @param block    {@link com.greghaskins.spectrum.Block} that will not run, since this spec is130   *                 ignored.131   * @see #it(String, com.greghaskins.spectrum.Block)132   * @see Specification#xit133   */134  public static void xit(final String behavior, final com.greghaskins.spectrum.Block block) {135    Specification.xit(behavior, block);136  }137  /**138   * Declare a {@link com.greghaskins.spectrum.Block} to be run before each spec in the suite.139   *140   * <p>141   * Use this to perform setup actions that are common across tests in the context. If multiple142   * {@code beforeEach} blocks are declared, they will run in declaration order.143   * </p>144   *145   * @param block {@link com.greghaskins.spectrum.Block} to run once before each spec146   * @see Specification#beforeEach147   */148  public static void beforeEach(final com.greghaskins.spectrum.Block block) {149    Specification.beforeEach(block);150  }151  /**152   * Declare a {@link com.greghaskins.spectrum.Block Block} to be run after each spec in the current153   * suite.154   *155   * <p>156   * Use this to perform teardown or cleanup actions that are common across specs in this suite. If157   * multiple {@code afterEach} blocks are declared, they will run in declaration order.158   * </p>159   *160   * @param block {@link com.greghaskins.spectrum.Block Block} to run once after each spec161   * @see Specification#afterEach162   */163  public static void afterEach(final com.greghaskins.spectrum.Block block) {164    Specification.afterEach(block);165  }166  /**167   * Declare a {@link com.greghaskins.spectrum.Block Block} to be run once before all the specs in168   * the current suite begin.169   *170   * <p>171   * Use {@code beforeAll} and {@link #afterAll(com.greghaskins.spectrum.Block) afterAll} blocks172   * with caution: since they only run once, shared state <strong>will</strong> leak across specs.173   * </p>174   *175   * @param block {@link com.greghaskins.spectrum.Block} to run once before all specs in this suite176   * @see Specification#beforeAll177   */178  public static void beforeAll(final com.greghaskins.spectrum.Block block) {179    Specification.beforeAll(block);180  }181  /**182   * Declare a {@link com.greghaskins.spectrum.Block} to be run once after all the specs in the183   * current suite have run.184   *185   * <p>186   * Use {@link #beforeAll(com.greghaskins.spectrum.Block) beforeAll} and {@code afterAll} blocks187   * with caution: since they only run once, shared state <strong>will</strong> leak across tests.188   * </p>189   *190   * @param block {@link com.greghaskins.spectrum.Block} to run once after all specs in this suite191   * @see Specification#afterAll192   */193  public static void afterAll(final com.greghaskins.spectrum.Block block) {194    Specification.afterAll(block);195  }196  /**197   * A value that will be fresh within each spec and cannot bleed across specs.198   *199   * <p>200   * Note that {@code let} is lazy-evaluated: the {@code supplier} is not called until the first201   * time it is used.202   * </p>203   *204   * @param <T>      The type of value205   * @param supplier {@link com.greghaskins.spectrum.ThrowingSupplier} function that either206   *                 generates the value, or throws a {@link Throwable}207   * @return supplier which is refreshed for each spec's context208   * @see Specification#let209   */210  public static <T> Supplier<T> let(final com.greghaskins.spectrum.ThrowingSupplier<T> supplier) {211    return Specification.let(supplier);212  }213  private final Suite rootSuite;214  /**215   * Main constructor called via reflection by the JUnit runtime.216   *217   * @param testClass The class file that defines the current suite218   * @see org.junit.runner.Runner219   */220  public Spectrum(final Class<?> testClass) {221    this(Description.createSuiteDescription(testClass), createTestClassDefinitionBlock(testClass));222  }223  Spectrum(Description description, com.greghaskins.spectrum.Block definitionBlock) {224    this.rootSuite = Suite.rootSuite(description);225    DeclarationState.instance().beginDeclaration(this.rootSuite, definitionBlock);226  }227  @Override228  public Description getDescription() {229    return this.rootSuite.getDescription();230  }231  @Override232  public void run(final RunNotifier notifier) {233    this.rootSuite.run(new RunNotifierReporting(notifier));234  }235  /**236   * Links the test class construction to JUnit rules implementation. This creates a block which237   * when executed will perform test definition against Spectrum and also hooks JUnit rule238   * implementation to the definition based on any "@Rule" annotations on the members - see {@link239   * Rules}240   *241   * @param testClass type of the test object242   * @return a block with JUnit rules activated243   */244  private static <T> com.greghaskins.spectrum.Block createTestClassDefinitionBlock(245      final Class<T> testClass) {246    ConstructorBlock<T> constructTestClass = new ConstructorBlock<>(testClass);247    return () -> {248      constructTestClass.run();249      Rules.applyRules(constructTestClass.get(), DeclarationState.instance()::addHook);250    };251  }252}...

Source:RuleContext.java

1package com.greghaskins.spectrum.internal.junit;2import static com.greghaskins.spectrum.internal.junit.StubJUnitFrameworkMethod.stubFrameworkMethod;3import com.greghaskins.spectrum.Block;4import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;5import com.greghaskins.spectrum.internal.hooks.Hook;6import org.junit.AfterClass;7import org.junit.BeforeClass;8import org.junit.ClassRule;9import org.junit.Rule;10import org.junit.internal.runners.statements.RunAfters;11import org.junit.internal.runners.statements.RunBefores;12import org.junit.rules.MethodRule;13import org.junit.rules.RunRules;14import org.junit.rules.TestRule;15import org.junit.runner.Description;16import org.junit.runners.model.FrameworkMethod;17import org.junit.runners.model.Statement;18import org.junit.runners.model.TestClass;19import java.util.List;20import java.util.function.Supplier;21import java.util.stream.Collectors;22import java.util.stream.Stream;23/**24 * Tracks a junit.rule that must be applied to all descendants of a suite.25 */26public class RuleContext<T> implements Supplier<T> {27  private final Class<T> ruleClass;28  private final TestClass testClass;29  private T currentTestObject;30  private final boolean constructEveryTime;31  RuleContext(final Class<T> ruleClass) {32    this.ruleClass = ruleClass;33    this.testClass = new TestClass(ruleClass);34    this.constructEveryTime = true;35  }36  @SuppressWarnings("unchecked")37  RuleContext(final T object) {38    this.ruleClass = (Class<T>) object.getClass();39    this.testClass = new TestClass(this.ruleClass);40    this.currentTestObject = object;41    this.constructEveryTime = false;42  }43  @Override44  public T get() {45    return currentTestObject;46  }47  /**48   * Construct the class level hook.49   * @return the hook50   */51  Hook classHook() {52    return (description, notifier,53        block) -> withClassBlock(statementOf(block), fakeForJunit(description))54            .evaluate();55  }56  /**57   * Construct a hook for around methods.58   * @return the hook59   */60  Hook methodHook() {61    return (description, notifier, block) -> decorate(statementOf(block), fakeForJunit(description))62        .evaluate();63  }64  /**65   * Add the method and test rules execution around a test method statement.66   * @param base the base statement67   * @param description of the child68   * @return the statement to use to execute the child within the rules69   * @throws Throwable on error70   */71  private Statement decorate(final Statement base, final Description description) throws Throwable {72    if (constructEveryTime) {73      constructTestObject();74    }75    return withTestRules(getTestRules(currentTestObject),76        withMethodRules(base, getMethodRules(currentTestObject)), description);77  }78  private void constructTestObject() throws Throwable {79    ConstructorBlock<T> constructor = new ConstructorBlock<>(ruleClass);80    constructor.run();81    currentTestObject = constructor.get();82  }83  private Statement withMethodRules(final Statement base, final List<MethodRule> methodRules) {84    FrameworkMethod method = stubFrameworkMethod();85    return decorateWithMethodRules(base, methodRules, method);86  }87  private Statement decorateWithMethodRules(final Statement base,88      final List<MethodRule> methodRules,89      final FrameworkMethod method) {90    Statement result = base;91    for (MethodRule each : methodRules) {92      result = each.apply(result, method, currentTestObject);93    }...

Source:ConstructorBlock.java

2import com.greghaskins.spectrum.Block;3import java.lang.reflect.Constructor;4import java.lang.reflect.InvocationTargetException;5import java.util.function.Supplier;6public final class ConstructorBlock<T> implements Block, Supplier<Object> {7  private final Class<T> klass;8  private T testObject;9  public ConstructorBlock(final Class<T> klass) {10    this.klass = klass;11  }12  @Override13  public void run() throws Throwable {14    try {15      final Constructor<T> constructor = this.klass.getDeclaredConstructor();16      constructor.setAccessible(true);17      testObject = constructor.newInstance();18    } catch (final InvocationTargetException invocationTargetException) {19      throw invocationTargetException.getTargetException();20    } catch (final Exception error) {21      throw new UnableToConstructSpecException(this.klass, error);22    }23  }...

ConstructorBlock

Using AI Code Generation

1public class ConstructorBlockTest {2    public void test() {3        ConstructorBlock cb = new ConstructorBlock();4        cb.beforeAll(() -> System.out.println("beforeAll"));5        cb.beforeEach(() -> System.out.println("beforeEach"));6        cb.it("test1", () -> System.out.println("test1"));7        cb.it("test2", () -> System.out.println("test2"));8        cb.afterEach(() -> System.out.println("afterEach"));9        cb.afterAll(() -> System.out.println("afterAll"));10        cb.run();11    }12}13public class ConstructorBlockTest {14    public void test() {15        ConstructorBlock cb = new ConstructorBlock();16        cb.beforeAll(() -> System.out.println("beforeAll"));17        cb.beforeEach(() -> System.out.println("beforeEach"));18        cb.it("test1", () -> System.out.println("test1"));19        cb.it("test2", () -> System.out.println("test2"));20        cb.afterEach(() -> System.out.println("afterEach"));21        cb.afterAll(() -> System.out.println("afterAll"));22        cb.run();23    }24}25public class ConstructorBlockTest {26    public void test() {27        ConstructorBlock cb = new ConstructorBlock();28        cb.beforeAll(() -> System.out.println("beforeAll"));29        cb.beforeEach(() -> System.out.println("beforeEach"));30        cb.it("test1", () -> System.out.println("test1"));31        cb.it("test2", () -> System.out.println("test2"));32        cb.afterEach(() -> System.out.println("afterEach"));33        cb.afterAll(() -> System.out.println("afterAll"));34        cb.run();35    }36}37public class ConstructorBlockTest {38    public void test() {39        ConstructorBlock cb = new ConstructorBlock();40        cb.beforeAll(() -> System.out.println("beforeAll"));41        cb.beforeEach(() -> System.out.println("beforeEach"));42        cb.it("test1", () -> System.out.println("test1"));

ConstructorBlock

Using AI Code Generation

1import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;2public class 1 {3    public static void main(String[] args) {4        ConstructorBlock cb=new ConstructorBlock("1.java");5        cb.run();6    }7}8package com.greghaskins.spectrum.internal.blocks;9import com.greghaskins.spectrum.internal.Block;10public class ConstructorBlock extends Block {11    private String sourceFile;12    public ConstructorBlock(String sourceFile) {13        this.sourceFile = sourceFile;14    }15    public void run() {16        System.out.println(sourceFile);17    }18}

ConstructorBlock

Using AI Code Generation

1ConstructorBlock cb = new ConstructorBlock("com.greghaskins.spectrum.internal.blocks.ConstructorBlock");2cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock");3cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String");4cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String", "java.lang.String");5cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String", "java.lang.String", "java.lang.String");6cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String");7cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String");8cb.setConstructor("com.greghaskins.spectrum.internal.blocks.ConstructorBlock", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String", "java.lang.String");9cb.setConstructor("com.greghaskins.spec

ConstructorBlock

Using AI Code Generation

1import static com.greghaskins.spectrum.Spectrum.beforeEach;2import com.greghaskins.spectrum.Spectrum;3import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;4public class 1 {5  public static void main(String[] args) {6    Spectrum.describe("A class", () -> {7      beforeEach(new ConstructorBlock<>(A.class));8    });9  }10}11import static com.greghaskins.spectrum.Spectrum.beforeEach;12import com.greghaskins.spectrum.Spectrum;13import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;14public class 2 {15  public static void main(String[] args) {16    Spectrum.describe("A class", () -> {17      beforeEach(new ConstructorBlock<>(A.class, "arg1", "arg2"));18    });19  }20}21import static com.greghaskins.spectrum.Spectrum.beforeEach;22import com.greghaskins.spectrum.Spectrum;23import com.greghaskins.spectrum.internal.blocks.ConstructorBlock;24public class 3 {25  public static void main(String[] args) {26    Spectrum.describe("A class", () -> {27      beforeEach(new ConstructorBlock<>(A.class, new Object[] { "arg1", "arg2" }));28    });29  }30}

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.