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How to use before method of com.greghaskins.spectrum.internal.hooks.EagerLetHook class

Best Spectrum code snippet using com.greghaskins.spectrum.internal.hooks.EagerLetHook.before

Source:Specification.java

2import static com.greghaskins.spectrum.Configure.focus;3import static com.greghaskins.spectrum.Configure.ignore;4import static com.greghaskins.spectrum.Configure.with;5import static com.greghaskins.spectrum.internal.hooks.AfterHook.after;6import static com.greghaskins.spectrum.internal.hooks.BeforeHook.before;7import com.greghaskins.spectrum.Block;8import com.greghaskins.spectrum.ThrowingConsumer;9import com.greghaskins.spectrum.ThrowingSupplier;10import com.greghaskins.spectrum.internal.DeclarationState;11import com.greghaskins.spectrum.internal.Suite;12import com.greghaskins.spectrum.internal.blocks.IdempotentBlock;13import com.greghaskins.spectrum.internal.hooks.EagerLetHook;14import com.greghaskins.spectrum.internal.hooks.Hook;15import com.greghaskins.spectrum.internal.hooks.HookContext.AppliesTo;16import com.greghaskins.spectrum.internal.hooks.HookContext.Precedence;17import com.greghaskins.spectrum.internal.hooks.LetHook;18import org.junit.AssumptionViolatedException;19import java.util.function.Supplier;20public interface Specification {21  /**22   * Declare a test suite that describes the expected behavior of the system in a given context.23   *24   * @param context Description of the context for this suite25   * @param block   {@link Block} with one or more calls to {@link #it(String, Block) it} that26   *                define each expected behavior27   */28  static void describe(final String context, final Block block) {29    final Suite suite = DeclarationState.instance()30        .getCurrentSuiteBeingDeclared()31        .addSuite(context);32    suite.applyConfigurationFromBlock(block);33    DeclarationState.instance().beginDeclaration(suite, block);34  }35  /**36   * Focus on this specific suite, while ignoring others.37   *38   * @param context Description of the context for this suite39   * @param block   {@link Block} with one or more calls to {@link #it(String, Block) it} that40   *                define each expected behavior41   * @see #describe(String, Block)42   */43  static void fdescribe(final String context, final Block block) {44    describe(context, with(focus(), block));45  }46  /**47   * Ignore the specific suite.48   *49   * @param context Description of the context for this suite50   * @param block   {@link Block} with one or more calls to {@link #it(String, Block) it} that51   *                define each expected behavior52   * @see #describe(String, Block)53   */54  static void xdescribe(final String context, final Block block) {55    describe(context, with(ignore(), block));56  }57  /**58   * Declare a spec, or test, for an expected behavior of the system in this suite context.59   *60   * @param behavior Description of the expected behavior61   * @param block    {@link Block} that verifies the system behaves as expected and throws a {@link62   *                 java.lang.Throwable Throwable} if that expectation is not met.63   */64  static void it(final String behavior, final Block block) {65    DeclarationState.instance().getCurrentSuiteBeingDeclared().addSpec(behavior, block);66  }67  /**68   * Declare a pending spec (without a block) that will be ignored.69   *70   * @param behavior Description of the expected behavior71   * @see #xit(String, Block)72   */73  static void it(final String behavior) {74    DeclarationState.instance().getCurrentSuiteBeingDeclared().addSpec(behavior, null).ignore();75  }76  /**77   * Focus on this specific spec, while ignoring others.78   *79   * @param behavior Description of the expected behavior80   * @param block    {@link Block} that verifies the system behaves as expected and throws a {@link81   *                 java.lang.Throwable Throwable} if that expectation is not met.82   * @see #it(String, Block)83   */84  static void fit(final String behavior, final Block block) {85    it(behavior, with(focus(), block));86  }87  /**88   * Mark a spec as ignored so that it will be skipped.89   *90   * @param behavior Description of the expected behavior91   * @param block    {@link Block} that will not run, since this spec is ignored.92   * @see #it(String, Block)93   */94  static void xit(final String behavior, final Block block) {95    it(behavior);96  }97  /**98   * Declare a {@link Block} to be run before each spec in the suite.99   *100   * <p>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:EagerLetHook.java

...10  private final ThrowingSupplier<T> supplier;11  public EagerLetHook(final ThrowingSupplier<T> supplier) {12    this.supplier = supplier;13  }14  protected T before() {15    return supplier.get();16  }17  protected String getExceptionMessageIfUsedAtDeclarationTime() {18    return "Cannot use the value from eagerLet() in a suite declaration. "19        + "It may only be used in the context of a running spec.";20  }21}...

before

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.Spectrum;3import com.greghaskins.spectrum.internal.hooks.Hook;4import com.greghaskins.spectrum.internal.hooks.HookContext;5import com.greghaskins.spectrum.internal.hooks.HookType;6import java.util.function.Supplier;7public class EagerLetHook implements Hook {8    private final Supplier<?> supplier;9    public EagerLetHook(Supplier<?> supplier) {10        this.supplier = supplier;11    }12    public HookType getType() {13        return HookType.LET;14    }15    public void execute(HookContext context) {16        context.getScope().addLet(supplier);17        context.executeNext();18    }19    public String toString() {20        return "EagerLetHook{" +21                '}';22    }23}24package com.greghaskins.spectrum.internal.hooks;25import com.greghaskins.spectrum.Spectrum;26import com.greghaskins.spectrum.internal.hooks.Hook;27import com.greghaskins.spectrum.internal.hooks.HookContext;28import com.greghaskins.spectrum.internal.hooks.HookType;29import java.util.function.Supplier;30public class EagerLetHook implements Hook {31    private final Supplier<?> supplier;32    public EagerLetHook(Supplier<?> supplier) {33        this.supplier = supplier;34    }35    public HookType getType() {36        return HookType.LET;37    }38    public void execute(HookContext context) {39        System.out.println("EagerLetHook.execute");40        context.getScope().addLet(supplier);41        context.executeNext();42    }43    public String toString() {44        return "EagerLetHook{" +45                '}';46    }47}48package com.greghaskins.spectrum.internal.hooks;49import com.greghaskins.spectrum.Spectrum;

before

Using AI Code Generation

1package com.greghaskins.spectrum.internal.hooks;2import com.greghaskins.spectrum.internal.hooks.Hook;3import java.util.function.Supplier;4public class EagerLetHook implements Hook {5  private final Supplier<?> valueSupplier;6  public EagerLetHook(final Supplier<?> valueSupplier) {7    this.valueSupplier = valueSupplier;8  }9  public void before() {10    this.valueSupplier.get();11  }12  public void after() {13  }14}15package com.greghaskins.spectrum.internal.hooks;16import com.greghaskins.spectrum.internal.hooks.Hook;17import java.util.function.Supplier;18public class LazyLetHook implements Hook {19  private final Supplier<?> valueSupplier;20  public LazyLetHook(final Supplier<?> valueSupplier) {21    this.valueSupplier = valueSupplier;22  }23  public void before() {24  }25  public void after() {26    this.valueSupplier.get();27  }28}29package com.greghaskins.spectrum.internal.hooks;30import com.greghaskins.spectrum.internal.hooks.Hook;31import java.util.function.Supplier;32public class LetHook implements Hook {33  private final Supplier<?> valueSupplier;34  public LetHook(final Supplier<?> valueSupplier) {35    this.valueSupplier = valueSupplier;36  }37  public void before() {38  }39  public void after() {40    this.valueSupplier.get();41  }42}43package com.greghaskins.spectrum.internal.hooks;44import com.greghaskins.spectrum.internal.hooks.Hook;45import java.util.function.Supplier;46public class LetHook implements Hook {47  private final Supplier<?> valueSupplier;48  public LetHook(final Supplier<?> valueSupplier) {49    this.valueSupplier = valueSupplier;50  }51  public void before() {52  }53  public void after() {

before

Using AI Code Generation

1public class EagerLetHook {2    public static void before(final LetHook hook, final Scope scope) {3        hook.before(scope);4    }5}6public class EagerLetHook {7    public static void after(final LetHook hook, final Scope scope) {8        hook.after(scope);9    }10}11public class LazyLetHook {12    public static void before(final LetHook hook, final Scope scope) {13        hook.before(scope);14    }15}16public class LazyLetHook {17    public static void after(final LetHook hook, final Scope scope) {18        hook.after(scope);19    }20}21public class EagerLetHook {22    public static void before(final LetHook hook, final Scope scope) {23        hook.before(scope);24    }25}26public class EagerLetHook {27    public static void after(final LetHook hook, final Scope scope) {28        hook.after(scope);29    }30}31public class LazyLetHook {32    public static void before(final LetHook hook, final Scope scope) {33        hook.before(scope);34    }35}36public class LazyLetHook {37    public static void after(final LetHook hook, final Scope scope) {38        hook.after(scope);39    }40}41public class EagerLetHook {42    public static void before(final LetHook hook, final Scope scope) {43        hook.before(scope);44    }45}

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