package org.arquillian.cube.impl.client.enricher;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.arquillian.cube.HostPort;
import org.arquillian.cube.impl.util.ReflectionUtil;
import org.arquillian.cube.spi.Cube;
import org.arquillian.cube.spi.CubeRegistry;
import org.arquillian.cube.spi.metadata.HasPortBindings;
import org.jboss.arquillian.core.api.Instance;
import org.jboss.arquillian.core.api.annotation.Inject;
import org.jboss.arquillian.test.spi.TestEnricher;
/**
* Implements Test enricher to get the binding port of a concrete exposed port of a cube.
*/
public class HostPortTestEnricher implements TestEnricher {
private static final Logger logger = Logger.getLogger(HostPortTestEnricher.class.getName());
@Inject
Instance<CubeRegistry> cubeRegistryInstance;
@Override
public void enrich(Object testCase) {
if (cubeRegistryInstance.get() != null) {
List<Field> fieldsWithAnnotation =
ReflectionUtil.getFieldsWithAnnotation(testCase.getClass(), HostPort.class);
for (Field dockerHostPortField : fieldsWithAnnotation) {
if (!dockerHostPortField.isAccessible()) {
dockerHostPortField.setAccessible(true);
}
if (int.class.isAssignableFrom(dockerHostPortField.getType()) || Integer.class.isAssignableFrom(
dockerHostPortField.getType())) {
try {
final HostPort hostPortAnnotation = dockerHostPortField.getAnnotation(HostPort.class);
String containerName = hostPortAnnotation.containerName();
int exposedPort = hostPortAnnotation.value();
int bindPort = getBindingPort(containerName, exposedPort);
if (bindPort > 0) {
dockerHostPortField.set(testCase, bindPort);
} else {
logger.log(Level.WARNING, String.format("There is no container with id %s.", containerName));
}
} catch (IllegalAccessException e) {
throw new IllegalArgumentException(e);
}
}
}
}
}
@Override
public Object[] resolve(Method method) {
Object[] values = new Object[method.getParameterTypes().length];
if (cubeRegistryInstance.get() != null) {
Integer[] annotatedParameters = annotatedParameters(method);
Class<?>[] parameterTypes = method.getParameterTypes();
for (Integer i : annotatedParameters) {
if (int.class.isAssignableFrom(parameterTypes[i]) || Integer.class.isAssignableFrom(parameterTypes[i])) {
final Annotation[] parameterAnnotations = method.getParameterAnnotations()[i];
final HostPort hostPortAnnotation = findHostPort(parameterAnnotations);
String containerName = hostPortAnnotation.containerName();
int exposedPort = hostPortAnnotation.value();
int bindPort = getBindingPort(containerName, exposedPort);
if (bindPort > 0) {
values[i] = bindPort;
} else {
logger.log(Level.WARNING, String.format("There is no container with id %s.", containerName));
}
}
}
}
return values;
}
private Integer[] annotatedParameters(Method method) {
List<Integer> parametersWithAnnotations = new ArrayList<>();
final Annotation[][] paramAnnotations = method.getParameterAnnotations();
for (int i = 0; i < paramAnnotations.length; i++) {
for (Annotation a : paramAnnotations[i]) {
if (a instanceof HostPort) {
parametersWithAnnotations.add(i);
}
}
}
return parametersWithAnnotations.toArray(new Integer[parametersWithAnnotations.size()]);
}
private HostPort findHostPort(Annotation[] annotations) {
for (Annotation a : annotations) {
if (a instanceof HostPort) {
return (HostPort) a;
}
}
return null;
}
private int getBindingPort(String cubeId, int exposedPort) {
int bindPort = -1;
final Cube cube = getCube(cubeId);
if (cube != null) {
final HasPortBindings portBindings = (HasPortBindings) cube.getMetadata(HasPortBindings.class);
final HasPortBindings.PortAddress mappedAddress = portBindings.getMappedAddress(exposedPort);
if (mappedAddress != null) {
bindPort = mappedAddress.getPort();
}
}
return bindPort;
}
private Cube getCube(String cubeId) {
return cubeRegistryInstance.get().getCube(cubeId);
}
}