net.jqwik.api.lifecycle.SkipExecutionHook Maven / Gradle / Ivy
package net.jqwik.api.lifecycle;
import java.util.*;
import org.apiguardian.api.*;
import static org.apiguardian.api.API.Status.*;
/**
* Use this hook to determine if an annotated element should be skipped during
* a test run or not. Evaluation of hooks is stopped
* as soon as a single hook returns {@linkplain SkipResult#skip(String)}.
*/
@API(status = MAINTAINED, since = "1.4.0")
@FunctionalInterface
public interface SkipExecutionHook extends LifecycleHook {
/**
* Determine if an annotated element should be skipped or not.
* In order to decide an implementor can use all information from {@code context}.
* Use {@linkplain SkipResult#doNotSkip()} or {@linkplain SkipResult#skip(String)} as return value.
*
* @param context An instance of {@linkplain ContainerLifecycleContext} or {@linkplain PropertyLifecycleContext}
*
* @return an instance of {@linkplain SkipResult}
*/
SkipResult shouldBeSkipped(LifecycleContext context);
@API(status = INTERNAL)
SkipExecutionHook DO_NOT_SKIP = descriptor -> SkipExecutionHook.SkipResult.doNotSkip();
class SkipResult {
/**
* Create instance of {@linkplain SkipResult} to make the current element being skipped.
*
* @param reason String to describe why the element will be skipped
* @return instance of {@linkplain SkipResult}
*/
public static SkipResult skip(String reason) {
return new SkipResult(true, reason);
}
/**
* Create instance of {@linkplain SkipResult} to make the current element not being skipped.
*
* @return instance of {@linkplain SkipResult}
*/
public static SkipResult doNotSkip() {
return new SkipResult(false, null);
}
private final boolean skipped;
private final String reason;
private SkipResult(boolean skipped, String reason) {
this.skipped = skipped;
this.reason = reason == null || reason.isEmpty() ? null : reason;
}
/**
* Whether execution of the context should be skipped.
*
* @return {@code true} if the execution should be skipped
*/
public boolean isSkipped() {
return this.skipped;
}
/**
* Get the reason that execution of the context should be skipped,
* if available. Might not be present, especially when using {@linkplain #doNotSkip()}.
*
* @return instance of {@linkplain Optional}<{@linkplain SkipResult}>
*/
public Optional reason() {
return Optional.ofNullable(reason);
}
@Override
public String toString() {
String skipString = skipped ? "skip" : "do not skip";
String reasonString = reason().map(reason -> ": " + reason).orElse("");
return String.format("SkipResult(%s%s)", skipString, reasonString);
}
}
}
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