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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 {

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