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package vid.automation.test.services;
import static org.testng.Assert.assertEquals;
import static vid.automation.test.services.DropTestApiField.dropFieldCloudOwnerFromString;
import static vid.automation.test.services.DropTestApiField.dropTestApiFieldFromString;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import java.net.URI;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.client.ClientProperties;
import org.glassfish.jersey.jackson.internal.jackson.jaxrs.json.JacksonJaxbJsonProvider;
import org.glassfish.jersey.jackson.internal.jackson.jaxrs.json.JacksonJsonProvider;
import org.glassfish.jersey.uri.internal.JerseyUriBuilder;
import org.onap.simulator.presetGenerator.presets.BasePresets.BasePreset;
import org.onap.simulator.presetGenerator.presets.model.RegistrationRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import vid.automation.test.utils.ReadFile;
public class SimulatorApi {
public enum RegistrationStrategy {
APPEND, CLEAR_THEN_SET
}
private static final Logger logger = LoggerFactory.getLogger(SimulatorApi.class);
/*
these classes are partial representation of org.mockserver.model.HttpRequest.
We can not use HttpRequest since it contains Map with NottableString and jackson throw the following error :
com.fasterxml.jackson.databind.JsonMappingException: Can not find a (Map) Key deserializer for type
[simple type, class org.mockserver.model.NottableString]
*/
public static class Path {
public String value;
}
public static class HttpRequest{
public Path path;
}
private static final URI uri; //uri for registration
private static final URI simulationUri; //uri for getting simulated responses
private static final Client client;
private static final List<UnaryOperator<String>> presetStringPostProccessors =
ImmutableList.of(dropTestApiFieldFromString(), dropFieldCloudOwnerFromString());
static {
String host = System.getProperty("VID_HOST", "10.0.0.10" );
Integer port = Integer.valueOf(System.getProperty("SIM_PORT", System.getProperty("VID_PORT", "8080"))); //port for registration
uri = new JerseyUriBuilder().host(host).port(port).scheme("http").path("vidSimulator").build();
client = ClientBuilder.newClient();
client.property(ClientProperties.SUPPRESS_HTTP_COMPLIANCE_VALIDATION, true);
//registering jacksonJsonProvider for avoiding exceptions like :
// org.glassfish.jersey.message.internal.MessageBodyProviderNotFoundException:
// MessageBodyWriter not found for media type=application/json
JacksonJsonProvider jacksonJsonProvider = new JacksonJaxbJsonProvider();
jacksonJsonProvider.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
client.register(jacksonJsonProvider);
Integer simulationPort = Integer.valueOf(System.getProperty("SIMULATION_PORT", "1080")); //port getting simulated responses
simulationUri = new JerseyUriBuilder().host(host).port(simulationPort).scheme("http").build();
}
public static URI getSimulationUri() {
return simulationUri;
}
public static void registerExpectation(String expectationFilename, RegistrationStrategy registrationStrategy) {
registerExpectation(expectationFilename, ImmutableMap.<String, Object>of(), registrationStrategy);
}
public static void registerExpectation(RegistrationStrategy strategy, String... expectationTemplateFilenames) {
registerExpectation(expectationTemplateFilenames, ImmutableMap.of(), strategy);
}
public static void registerExpectation(String[] expectationTemplateFilenames, ImmutableMap<String, Object> templateParams, RegistrationStrategy strategy) {
if (strategy.equals(RegistrationStrategy.CLEAR_THEN_SET)) {
clearRegistrations();
}
for (String expectationTemplateFilename: expectationTemplateFilenames) {
registerExpectation(expectationTemplateFilename, templateParams, RegistrationStrategy.APPEND);
}
}
public static void registerExpectation(String expectationTemplateFilename, ImmutableMap<String, Object> templateParams, RegistrationStrategy registrationStrategy) {
String content = ReadFile.loadResourceAsString("registration_to_simulator/" + expectationTemplateFilename);
for (Map.Entry<String, Object> templateParam : templateParams.entrySet()) {
content = content.replaceAll(templateParam.getKey(), templateParam.getValue().toString());
}
registerToSimulatorAndAssertSuccess(expectationTemplateFilename, content, registrationStrategy);
}
public static void registerExpectationFromPreset(BasePreset preset, RegistrationStrategy registrationStrategy) {
RegistrationRequest content = preset.generateScenario();
registerToSimulatorAndAssertSuccess(preset.getClass().getCanonicalName(), content, registrationStrategy);
}
public static void registerExpectationFromPresets(Collection<BasePreset> presets, RegistrationStrategy registrationStrategy) {
if (registrationStrategy == RegistrationStrategy.CLEAR_THEN_SET) {
clearRegistrations();
}
presets.forEach(
preset-> {
try {registerToSimulatorAndAssertSuccess(preset.getClass().getCanonicalName(), preset.generateScenario());}
catch (RuntimeException e) {
throw new RuntimeException("Failed to register preset "+preset.getClass().getName(), e);
}
}
);
}
// public static List<HttpRequest> retrieveRecordedRequests() {
// Response response = client.target(uri).path("retrieveRecordedRequests").request().get();
// return response.readEntity(new GenericType<List<HttpRequest>>(){});
// }
/*
This method return counter of requests that has been sent to simulator.
The key of the map is a path, and the value is counter
*/
public static Map<String, Long> retrieveRecordedRequestsPathCounter() {
Response response = client.target(uri).path("retrieveRecordedRequests").request().get();
List<HttpRequest> httpRequests = response.readEntity(new GenericType<List<HttpRequest>>(){});
return httpRequests.stream().map(x->x.path.value).collect(
Collectors.groupingBy(Function.identity(), Collectors.counting()));
}
private static void registerToSimulatorAndAssertSuccess(String name, Object content, RegistrationStrategy registrationStrategy) {
if (registrationStrategy == RegistrationStrategy.CLEAR_THEN_SET) {
clearRegistrations();
}
registerToSimulatorAndAssertSuccess(name, content);
}
private static void registerToSimulatorAndAssertSuccess(String name, Object content) {
logger.info("Setting {}", name);
content = postProccessContent(content);
Response response = createSimulatorRegistrationWebTarget().request(MediaType.APPLICATION_JSON_TYPE).post(Entity.json(content));
assertEquals(response.getStatus(), HttpStatus.OK.value());
}
private static Object postProccessContent(Object content) {
if (content instanceof String) {
for (UnaryOperator<String> presetStringPostProccessor : presetStringPostProccessors) {
content = presetStringPostProccessor.apply((String) content);
}
}
return content;
}
public static void clearExpectations() {
clearRegistrations();
}
private static void clearRegistrations() {
logger.info("Clearing Registrations");
Response response = createSimulatorRegistrationWebTarget().request().delete();
assertEquals(response.getStatus(), HttpStatus.OK.value());
}
private static WebTarget createSimulatorRegistrationWebTarget() {
return client.target(uri).path("registerToVidSimulator");
}
public static void clearAll() {
WebTarget webTarget = createSimulatorRegistrationWebTarget();
webTarget.request().delete();
}
}
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