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

How to use once method of com.greghaskins.spectrum.internal.hooks.Hooks class

Best Spectrum code snippet using com.greghaskins.spectrum.internal.hooks.Hooks.once

Source:Specification.java

...101   * Use this to perform setup actions that are common across tests in the context. If multiple102   * {@code beforeEach} blocks are declared, they will run in declaration order.103   * </p>104   *105   * @param block {@link Block} to run once before each spec106   */107  static void beforeEach(final Block block) {108    DeclarationState.instance().addHook(before(block), AppliesTo.ATOMIC_ONLY, Precedence.LOCAL);109  }110  /**111   * Declare a {@link Block Block} to be run after each spec in the current suite.112   *113   * <p>114   * Use this to perform teardown or cleanup actions that are common across specs in this suite. If115   * multiple {@code afterEach} blocks are declared, they will run in declaration order.116   * </p>117   *118   * @param block {@link Block Block} to run once after each spec119   */120  static void afterEach(final Block block) {121    DeclarationState.instance().addHook(after(block), AppliesTo.ATOMIC_ONLY,122        Precedence.GUARANTEED_CLEAN_UP_LOCAL);123  }124  /**125   * Declare a {@link Block Block} to be run once before all the specs in the current suite begin.126   *127   * <p>128   * Use {@code beforeAll} and {@link #afterAll(Block) afterAll} blocks with caution: since they129   * only run once, shared state <strong>will</strong> leak across specs.130   * </p>131   *132   * @param block {@link Block} to run once before all specs in this suite133   */134  static void beforeAll(final Block block) {135    DeclarationState.instance().addHook(before(new IdempotentBlock(block)), AppliesTo.ATOMIC_ONLY,136        Precedence.SET_UP);137  }138  /**139   * Declare a {@link Block} to be run once after all the specs in the current suite have run.140   *141   * <p>142   * Use {@link #beforeAll(Block) beforeAll} and {@code afterAll} blocks with caution: since they143   * only run once, shared state <strong>will</strong> leak across tests.144   * </p>145   *146   * @param block {@link Block} to run once after all specs in this suite147   */148  static void afterAll(final Block block) {149    DeclarationState.instance().addHook(after(block), AppliesTo.ONCE,150        Precedence.GUARANTEED_CLEAN_UP_GLOBAL);151  }152  /**153   * A value that will be fresh within each spec and cannot bleed across specs.154   *155   * <p>156   * Note that {@code let} is lazy-evaluated: the {@code supplier} is not called until the first157   * time it is used.158   * </p>159   *160   * @param <T>      The type of value161   * @param supplier {@link ThrowingSupplier} function that either generates the value, or throws a162   *                 {@link Throwable}163   * @return supplier which is refreshed for each spec's context164   */165  static <T> Supplier<T> let(final ThrowingSupplier<T> supplier) {166    LetHook<T> letHook = new LetHook<>(supplier);167    DeclarationState.instance().addHook(letHook, AppliesTo.ATOMIC_ONLY, Precedence.LOCAL);168    return letHook;169  }170  /**171   * A value that will be calculated fresh at the start of each spec and cannot bleed across specs.172   *173   * <p>174   * Note that {@code eagerLet} is eagerly evaluated: the {@code supplier} is called at the start175   * of the spec, before {@code beforeEach} blocks.176   * </p>177   *178   * @param <T>      The type of value179   * @param supplier {@link ThrowingSupplier} function that either generates the value, or throws a180   *                 {@link Throwable}181   * @return supplier which is refreshed for each spec's context182   */183  static <T> Supplier<T> eagerLet(final ThrowingSupplier<T> supplier) {184    EagerLetHook<T> eagerLetHook = new EagerLetHook<>(supplier);185    DeclarationState.instance().addHook(eagerLetHook, AppliesTo.ATOMIC_ONLY, Precedence.LOCAL);186    return eagerLetHook;187  }188  /**189   * Define a test context. Alias for {@link #describe}.190   *191   * @param context the description of the context192   * @param block   the block to execute193   */194  static void context(final String context, final Block block) {195    describe(context, block);196  }197  /**198   * Define a focused test context. Alias for {@link #fdescribe}.199   *200   * @param context the description of the context201   * @param block   the block to execute202   */203  static void fcontext(final String context, final Block block) {204    fdescribe(context, block);205  }206  /**207   * Define an ignored test context. Alias for {@link #xdescribe}.208   *209   * @param context the description of the context210   * @param block   the block to execute211   */212  static void xcontext(final String context, final Block block) {213    xdescribe(context, block);214  }215  /**216   * Call this from within a Spec block to mark the spec as ignored/pending.217   */218  static void pending() {219    throw new AssumptionViolatedException("pending");220  }221  /**222   * Call this from within a Specification to mark the spec as ignored/pending.223   *224   * @param message the annotation of the pending225   */226  static void pending(final String message) {227    throw new AssumptionViolatedException(message);228  }229  /**230   * Declare a block of code that runs around each spec, partly before and partly after. You must231   * call {@link com.greghaskins.spectrum.Block#run} inside this Consumer. This code is applied to232   * every spec in the current suite.233   *234   * @param consumer to run each spec block235   */236  static void aroundEach(ThrowingConsumer<Block> consumer) {237    DeclarationState.instance().addHook(Hook.from(consumer), AppliesTo.ATOMIC_ONLY,238        Precedence.GUARANTEED_CLEAN_UP_LOCAL);239  }240  /**241   * Declare a block of code that runs once around all specs, partly before and partly after specs242   * are run. You must call {@link Block#run} inside this Consumer. This code is applied once per243   * suite, so be careful about shared state across specs.244   *245   * @param consumer to run each spec block246   */247  static void aroundAll(ThrowingConsumer<Block> consumer) {248    DeclarationState.instance().addHook(Hook.from(consumer), AppliesTo.ONCE, Precedence.OUTER);249  }250}...

Source:Suite.java

...113  @Override114  public Hooks getInheritableHooks() {115    // only the atomic hooks can be used by the children of this suite,116    // all other hooks would be executed at suite level only - either for117    // each child of the suite, or once118    return this.parent.getInheritableHooks().plus(this.hooks.forAtomic());119  }120  /**121   * Set the suite to require certain tags of all tests below.122   *123   * @param tags required tags - suites must have at least one of these if any are specified124   */125  public void includeTags(final String... tags) {126    this.tagging.include(tags);127  }128  /**129   * Set the suite to exclude certain tags of all tests below.130   *131   * @param tags excluded tags - suites and specs must not have any of these if any are specified132   */133  public void excludeTags(final String... tags) {134    this.tagging.exclude(tags);135  }136  @Override137  public void focus(final Child child) {138    this.focusedChildren.add(child);139    focus();140  }141  @Override142  public void focus() {143    if (this.ignored) {144      return;145    }146    this.parent.focus(this);147  }148  @Override149  public void ignore() {150    this.ignored = true;151  }152  @Override153  public boolean isIgnored() {154    return this.ignored;155  }156  @Override157  public void run(final RunReporting<Description, Failure> reporting) {158    if (testCount() == 0) {159      reporting.fireTestIgnored(this.description);160      runChildren(reporting);161    } else {162      runSuite(reporting);163    }164  }165  private void runSuite(final RunReporting<Description, Failure> reporting) {166    if (isEffectivelyIgnored()) {167      runChildren(reporting);168    } else {169      this.hooks.once().sorted()170          .runAround(this.description, reporting, () -> runChildren(reporting));171    }172  }173  private void runChildren(final RunReporting<Description, Failure> reporting) {174    this.childRunner.runChildren(this, reporting);175  }176  protected void runChild(final Child child, final RunReporting<Description, Failure> reporting) {177    if (child.isEffectivelyIgnored()) {178      // running the child will make it act ignored179      child.run(reporting);180    } else if (childIsNotInFocus(child)) {181      reporting.fireTestIgnored(child.getDescription());182    } else {183      addLeafHook(this.hooks.forThisLevel().sorted(), child).runAround(child.getDescription(), reporting,...

Source:Hooks.java

...14 * passing hooks down a generation.15 */16public class Hooks extends ArrayList<HookContext> {17  private static final long serialVersionUID = 1L;18  public Hooks once() {19    return filtered(HookContext::isOnce);20  }21  public Hooks forNonAtomic() {22    return filtered(context -> !context.isOnce() && !context.isAtomicOnly());23  }24  public Hooks forAtomic() {25    return filtered(HookContext::isAtomicOnly);26  }27  public Hooks forThisLevel() {28    return filtered(HookContext::isEachChild);29  }30  /**31   * Run the hooks on the right in the correct order AFTER these ones.32   * @param other to add to this...

once

Using AI Code Generation

1import com.greghaskins.spectrum.Spectrum;2import com.greghaskins.spectrum.internal.hooks.Hooks;3import java.util.function.Consumer;4import java.util.function.Supplier;5import org.junit.runner.RunWith;6@RunWith(Spectrum.class)7public class 1 {8  public static void main(String[] args) {9    Hooks.once(() -> System.out.println("once"));10  }11}12import com.greghaskins.spectrum.Spectrum;13import com.greghaskins.spectrum.internal.hooks.Hooks;14import java.util.function.Consumer;15import java.util.function.Supplier;16import org.junit.runner.RunWith;17@RunWith(Spectrum.class)18public class 2 {19  public static void main(String[] args) {20    Hooks.once(() -> System.out.println("once"));21  }22}23import com.greghaskins.spectrum.Spectrum;24import com.greghaskins.spectrum.internal.hooks.Hooks;25import java.util.function.Consumer;26import java.util.function.Supplier;27import org.junit.runner.RunWith;28@RunWith(Spectrum.class)29public class 3 {30  public static void main(String[] args) {31    Hooks.once(() -> System.out.println("once"));32  }33}34import com.greghaskins.spectrum.Spectrum;35import com.greghaskins.spectrum.internal.hooks.Hooks;36import java.util.function.Consumer;37import java.util.function.Supplier;38import org.junit.runner.RunWith;39@RunWith(Spectrum.class)40public class 4 {41  public static void main(String[] args) {42    Hooks.once(() -> System.out.println("once"));43  }44}45import com.greghaskins.spectrum.Spectrum;46import com.greghaskins.spectrum.internal.hooks.Hooks;47import java.util.function.Consumer;48import java.util.function

once

Using AI Code Generation

1package com.greghaskins.spectrum;2import com.greghaskins.spectrum.internal.hooks.Hooks;3public class HooksTest {4    public static void main(String[] args) {5        Hooks.beforeEach(() -> System.out.println("before each"));6        Hooks.afterEach(() -> System.out.println("after each"));7        describe("outer", () -> {8            describe("inner", () -> {9                it("test", () -> {10                    System.out.println("test");11                });12            });13        });14    }15}16package com.greghaskins.spectrum;17import com.greghaskins.spectrum.internal.hooks.Hooks;18public class HooksTest {19    public static void main(String[] args) {20        Hooks.beforeAll(() -> System.out.println("before all"));21        Hooks.afterAll(() -> System.out.println("after all"));22        describe("outer", () -> {23            describe("inner", () -> {24                it("test", () -> {25                    System.out.println("test");26                });27            });28        });29    }30}31package com.greghaskins.spectrum;32import com.greghaskins.spectrum.internal.hooks.Hooks;33public class HooksTest {34    public static void main(String[] args) {35        Hooks.beforeAll(() -> System.out.println("before all"));36        Hooks.afterAll(() -> System.out.println("after all"));37        Hooks.beforeEach(() -> System.out.println("before each"));38        Hooks.afterEach(() -> System.out.println("after each"));39        describe("outer", () -> {40            describe("inner", () -> {41                it("test", () -> {42                    System.out.println("test");43                });44            });45        });46    }47}

once

Using AI Code Generation

1        describe("A test suite", () -> {2            it("has a test", () -> {3                System.out.println("Test");4            });5        });6    }7}

once

Using AI Code Generation

1package com.greghaskins.spectrum;2import com.greghaskins.spectrum.internal.hooks.Hooks;3import org.junit.Test;4import java.util.concurrent.atomic.AtomicInteger;5import java.util.function.Consumer;6import static org.hamcrest.CoreMatchers.is;7import static org.hamcrest.MatcherAssert.assertThat;8public class HooksTest {9    public void beforeAllIsCalled() {10        final AtomicInteger counter = new AtomicInteger(0);11        Hooks.beforeAll((Runnable r) -> {12            counter.incrementAndGet();13            r.run();14        });15        new Suite().run();16        assertThat(counter.get(), is(1));17    }18    private static class Suite extends Spectrum {19        {20            describe("Suite", () -> {21                it("test", () -> {});22            });23        }24    }25}26package com.greghaskins.spectrum.internal.hooks;27import java.util.function.Consumer;28public class Hooks {29    private static Consumer<Runnable> beforeAllHook;30    public static void beforeAll(Consumer<Runnable> hook) {31        beforeAllHook = hook;32    }33    public static Consumer<Runnable> getBeforeAllHook() {34        return beforeAllHook;35    }36}37package com.greghaskins.spectrum;38import com.greghaskins.spectrum.internal.hooks.Hooks;39import org.junit.Test;40import java.util.concurrent.atomic.AtomicInteger;41import java.util.function.Consumer;42import static org.hamcrest.CoreMatchers.is;43import static org.hamcrest.MatcherAssert.assertThat;44public class HooksTest {45    public void beforeAllIsCalled() {46        final AtomicInteger counter = new AtomicInteger(0);47        Hooks.beforeAll((Runnable r) -> {48            counter.incrementAndGet();49            r.run();50        });51        new Suite().run();52        assertThat(counter.get(), is(1));53    }54    private static class Suite extends Spectrum {55        {56            Hooks.getBeforeAllHook().accept(() -> {57                describe("Suite", () -> {58                    it("test", () -> {});59                });60            });61        }62    }63}

once

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import static org.mockito.Mockito.mock;3import static org.mockito.Mockito.verify;4import org.junit.Test;5import com.greghaskins.spectrum.Hook;6public class HooksTest {

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.