net.jqwik.engine.properties.DomainContextBaseReportingFormats Maven / Gradle / Ivy
package net.jqwik.engine.properties;
import java.util.*;
import java.util.function.*;
import java.util.logging.*;
import java.util.stream.*;
import org.junit.platform.commons.support.*;
import net.jqwik.api.*;
import net.jqwik.api.domains.*;
import net.jqwik.engine.support.*;
import static net.jqwik.engine.support.JqwikReflectionSupport.*;
public class DomainContextBaseReportingFormats {
private static final Logger LOG = Logger.getLogger(DomainContextBaseReportingFormats.class.getName());
static public Collection forContextBase(DomainContextBase base) {
return Stream.concat(
formatsFromInnerClasses(base),
formatsFromBaseItself(base)
).collect(Collectors.toList());
}
private static Stream formatsFromInnerClasses(DomainContextBase base) {
Predicate> implementsReportingFormat =
clazz -> SampleReportingFormat.class.isAssignableFrom(clazz) && !JqwikReflectionSupport.isPrivate(clazz);
List> reportingFormatClasses = ReflectionSupport.findNestedClasses(base.getClass(), implementsReportingFormat);
warnIfClassesHaveNoFittingConstructor(reportingFormatClasses);
return reportingFormatClasses.stream()
.filter(DomainContextBaseReportingFormats::hasFittingConstructor)
.map(clazz -> createArbitraryConfigurator(clazz, base));
}
private static Stream formatsFromBaseItself(DomainContextBase base) {
if (base instanceof SampleReportingFormat) {
return Stream.of((SampleReportingFormat) base);
}
return Stream.empty();
}
private static void warnIfClassesHaveNoFittingConstructor(List> classes) {
classes.stream()
.filter(aClass -> !hasFittingConstructor(aClass))
.forEach(aClass -> {
String message = String.format(
"Class <%s> does not have a default constructor and cannot be instantiated as %s.",
aClass.getName(),
SampleReportingFormat.class
);
LOG.warning(message);
});
}
private static boolean hasFittingConstructor(Class clazz) {
if (JqwikReflectionSupport.isStatic(clazz)) {
return hasDefaultConstructor(clazz);
}
return hasConstructor(clazz, clazz.getDeclaringClass());
}
private static SampleReportingFormat createArbitraryConfigurator(Class clazz, DomainContextBase base) {
return (SampleReportingFormat) JqwikReflectionSupport.newInstanceInTestContext(clazz, base);
}
}