net.jqwik.engine.discovery.predicates.IsTestContainer Maven / Gradle / Ivy
package net.jqwik.engine.discovery.predicates;
import java.lang.reflect.*;
import java.util.function.*;
import org.junit.platform.commons.support.*;
public class IsTestContainer implements Predicate> {
private static final Predicate isProperty = new IsProperty();
private static final Predicate> isPotentialTestContainer = new IsPotentialTestContainer();
private static final Predicate> isGroup = new IsContainerAGroup();
@Override
public boolean test(Class candidate) {
if (!isPotentialTestContainer.test(candidate)) {
return false;
}
return hasTests(candidate) || hasGroups(candidate);
}
private boolean hasTests(Class candidate) {
return !ReflectionSupport.findMethods(candidate, isProperty, HierarchyTraversalMode.TOP_DOWN).isEmpty();
}
private boolean hasGroups(Class candidate) {
return !ReflectionSupport.findNestedClasses(candidate, isGroup).isEmpty();
}
}