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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}

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