package org.codefx.demo.junit5;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.api.extension.ParameterContext;
import org.junit.jupiter.api.extension.ParameterResolutionException;
import org.junit.jupiter.api.extension.ParameterResolver;
import java.util.Random;
public class RandomIntegerResolver implements ParameterResolver {
private static final Random RANDOM = new Random();
@Override
public boolean supportsParameter(
ParameterContext parameterContext, ExtensionContext extensionContext)
throws ParameterResolutionException {
// don't blindly support a common type like `Integer`
// instead it should be annotated with `@Randomized` or something
Class<?> targetType = parameterContext.getParameter().getType();
return targetType == Integer.class || targetType == int.class;
}
@Override
public Object resolveParameter(
ParameterContext parameterContext, ExtensionContext extensionContext)
throws ParameterResolutionException {
return RANDOM.nextInt();
}
}
