Response takes a long time to come. How it is possible to wait for response time in rest-assured ?
In the past I've used awaitility, it allows you to wait for a response from the service before kicking off another call.
https://github.com/awaitility/awaitility.
You can return an extracted response and wait for the status code/body to return a value.
#Test
public void waitTest() throws Exception {
Awaitility.await().atMost(5, TimeUnit.SECONDS).until(() -> this.getStatus() == 200)
}
public int getStatus() {
return given()
.accept(ContentType.JSON)
.get(url)
.then()
.extract()
.statusCode();
}
On this class you declared the max time
public interface Constants {
Long MAX_TIMEOUT = 3000l;
}
Here on this class you implement the interface
public class BaseTest implements Constants {
#BeforeClass
public static void setup() {
ResponseSpecBuilder resBuilder = new ResponseSpecBuilder();
resBuilder.expectResponseTime(Matchers.lessThan(MAX_TIMEOUT));
RestAssured.responseSpecification = resBuilder.build();
}
Finally you can use the waiter strategy
public class SimulationTest extends BaseTest {
#Test
public void checkStatus200() {
given()
.when()
.get()
.then()
.statusCode(200)
;
}
}
Related
I have a record that performs a verification in its constructor as such :
public record Configuration(URI url) {
public Configuration(URI url) {
Validate.httpValid(url, "url");
}
}
Where the httpValid method is :
public static URI httpValid(final URI value, final String property) {
try {
value.toURL();
} catch (IllegalArgumentException | MalformedURLException e) {
throw new InvalidPropertyValueException(property, "httpValid", value, Map.of());
}
return value;
}
This however fails the test i'm trying to create :
#Test
void Should_RespectEqualsContract() {
EqualsVerifier
.forClass(Configuration.class)
.withPrefabValues(
Configuration.class,
new Configuration(URI.create("http://a.com")),
new Configuration(URI.create("http://b.com")))
.verify();
}
This is because EqualsVerifier is trying to create an object with "x" as argument :
InvalidPropertyValueException: The value x is not a valid httpValid as url
You're very close. You shouldn't provide the class that you're testing as a prefab value; instead you need to provide the paramter that's causing trouble, like this:
#Test
void Should_RespectEqualsContract() {
EqualsVerifier
.forClass(Configuration.class)
.withPrefabValues(
URI.class,
URI.create("http://a.com"),
URI.create("http://b.com"))
.verify();
}
Little background: I am working on a topology using Apache Storm, I thought why not use dependency injection in it, but I was not sure how it will behave on cluster environment when topology deployed to cluster. I started looking for answers on if DI is good option to use in Storm topologies, I came across some threads about Apache Spark where it was mentioned serialization is going to be problem and saw some responses for apache storm along the same lines. So finally I decided to write a sample topology with google guice to see what happens.
I wrote a sample topology with two bolts, and used google guice to injects dependencies. First bolt emits a tick tuple, then first bolt creates message, bolt prints the message on log and call some classes which does the same. Then this message is emitted to second bolt and same printing logic there as well.
First Bolt
public class FirstBolt extends BaseRichBolt {
private OutputCollector collector;
private static int count = 0;
private FirstInjectClass firstInjectClass;
#Override
public void prepare(Map map, TopologyContext topologyContext, OutputCollector outputCollector) {
collector = outputCollector;
Injector injector = Guice.createInjector(new Module());
firstInjectClass = injector.getInstance(FirstInjectClass.class);
}
#Override
public void execute(Tuple tuple) {
count++;
String message = "Message count "+count;
firstInjectClass.printMessage(message);
log.error(message);
collector.emit("TO_SECOND_BOLT", new Values(message));
collector.ack(tuple);
}
#Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
outputFieldsDeclarer.declareStream("TO_SECOND_BOLT", new Fields("MESSAGE"));
}
#Override
public Map<String, Object> getComponentConfiguration() {
Config conf = new Config();
conf.put(Config.TOPOLOGY_TICK_TUPLE_FREQ_SECS, 10);
return conf;
}
}
Second Bolt
public class SecondBolt extends BaseRichBolt {
private OutputCollector collector;
private SecondInjectClass secondInjectClass;
#Override
public void prepare(Map map, TopologyContext topologyContext, OutputCollector outputCollector) {
collector = outputCollector;
Injector injector = Guice.createInjector(new Module());
secondInjectClass = injector.getInstance(SecondInjectClass.class);
}
#Override
public void execute(Tuple tuple) {
String message = (String) tuple.getValue(0);
secondInjectClass.printMessage(message);
log.error("SecondBolt {}",message);
collector.ack(tuple);
}
#Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
}
}
Class in which dependencies are injected
public class FirstInjectClass {
FirstInterface firstInterface;
private final String prepend = "FirstInjectClass";
#Inject
public FirstInjectClass(FirstInterface firstInterface) {
this.firstInterface = firstInterface;
}
public void printMessage(String message){
log.error("{} {}", prepend, message);
firstInterface.printMethod(message);
}
}
Interface used for binding
public interface FirstInterface {
void printMethod(String message);
}
Implementation of interface
public class FirstInterfaceImpl implements FirstInterface{
private final String prepend = "FirstInterfaceImpl";
public void printMethod(String message){
log.error("{} {}", prepend, message);
}
}
Same way another class that receives dependency via DI
public class SecondInjectClass {
SecondInterface secondInterface;
private final String prepend = "SecondInjectClass";
#Inject
public SecondInjectClass(SecondInterface secondInterface) {
this.secondInterface = secondInterface;
}
public void printMessage(String message){
log.error("{} {}", prepend, message);
secondInterface.printMethod(message);
}
}
another interface for binding
public interface SecondInterface {
void printMethod(String message);
}
implementation of second interface
public class SecondInterfaceImpl implements SecondInterface{
private final String prepend = "SecondInterfaceImpl";
public void printMethod(String message){
log.error("{} {}", prepend, message);
}
}
Module Class
public class Module extends AbstractModule {
#Override
protected void configure() {
bind(FirstInterface.class).to(FirstInterfaceImpl.class);
bind(SecondInterface.class).to(SecondInterfaceImpl.class);
}
}
Nothing fancy here, just two bolts and couple of classes for DI. I deployed it on server and it works just fine. The catch/problem though is that I have to initialize Injector in each bolt which makes me question what is side effect of it going to be?
This implementation is simple, just 2 bolts.. what if I have more bolts? what impact it would create on topology if I have to initialize Injector in all bolts?
If I try to initialize Injector outside prepare method I get error for serialization.
I have an external dll written in C# and I studied from the assemblies documentation that it writes its debug messages to the Console using Console.WriteLine.
this DLL writes to console during my interaction with the UI of the Application, so i don't make DLL calls directly, but i would capture all console output , so i think i got to intialize in form load , then get that captured text later.
I would like to redirect all the output to a string variable.
I tried Console.SetOut, but its use to redirect to string is not easy.
As it seems like you want to catch the Console output in realtime, I figured out that you might create your own TextWriter implementation that fires an event whenever a Write or WriteLine happens on the Console.
The writer looks like this:
public class ConsoleWriterEventArgs : EventArgs
{
public string Value { get; private set; }
public ConsoleWriterEventArgs(string value)
{
Value = value;
}
}
public class ConsoleWriter : TextWriter
{
public override Encoding Encoding { get { return Encoding.UTF8; } }
public override void Write(string value)
{
if (WriteEvent != null) WriteEvent(this, new ConsoleWriterEventArgs(value));
base.Write(value);
}
public override void WriteLine(string value)
{
if (WriteLineEvent != null) WriteLineEvent(this, new ConsoleWriterEventArgs(value));
base.WriteLine(value);
}
public event EventHandler<ConsoleWriterEventArgs> WriteEvent;
public event EventHandler<ConsoleWriterEventArgs> WriteLineEvent;
}
If it's a WinForm app, you can setup the writer and consume its events in the Program.cs like this:
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
using (var consoleWriter = new ConsoleWriter())
{
consoleWriter.WriteEvent += consoleWriter_WriteEvent;
consoleWriter.WriteLineEvent += consoleWriter_WriteLineEvent;
Console.SetOut(consoleWriter);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
static void consoleWriter_WriteLineEvent(object sender, Program.ConsoleWriterEventArgs e)
{
MessageBox.Show(e.Value, "WriteLine");
}
static void consoleWriter_WriteEvent(object sender, Program.ConsoleWriterEventArgs e)
{
MessageBox.Show(e.Value, "Write");
}
It basically amounts to the following:
var originalConsoleOut = Console.Out; // preserve the original stream
using(var writer = new StringWriter())
{
Console.SetOut(writer);
Console.WriteLine("some stuff"); // or make your DLL calls :)
writer.Flush(); // when you're done, make sure everything is written out
var myString = writer.GetStringBuilder().ToString();
}
Console.SetOut(originalConsoleOut); // restore Console.Out
So in your case you'd set this up before making calls to your third-party DLL.
You can also call SetOut with Console.OpenStandardOutput, this will restore the original output stream:
Console.SetOut(new StreamWriter(Console.OpenStandardOutput()));
Or you can wrap it up in a helper method that takes some code as an argument run it and returns the string that was printed. Notice how we gracefully handle exceptions.
public string RunCodeReturnConsoleOut(Action code)
{
string result;
var originalConsoleOut = Console.Out;
try
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
code();
writer.Flush();
result = writer.GetStringBuilder().ToString();
}
return result;
}
finally
{
Console.SetOut(originalConsoleOut);
}
}
Using solutions proposed by #Adam Lear and #Carlo V. Dango I created a helper class:
public sealed class RedirectConsole : IDisposable
{
private readonly Action<string> logFunction;
private readonly TextWriter oldOut = Console.Out;
private readonly StringWriter sw = new StringWriter();
public RedirectConsole(Action<string> logFunction)
{
this.logFunction = logFunction;
Console.SetOut(sw);
}
public void Dispose()
{
Console.SetOut(oldOut);
sw.Flush();
logFunction(sw.ToString());
sw.Dispose();
}
}
which can be used in the following way:
public static void MyWrite(string str)
{
// print console output to Log/Socket/File
}
public static void Main()
{
using(var r = new RedirectConsole(MyWrite)) {
Console.WriteLine("Message 1");
Console.WriteLine("Message 2");
}
// After the using section is finished,
// MyWrite will be called once with a string containing all messages,
// which has been written during the using section,
// separated by new line characters
}
I am trying to write my own protocol handler for a JavaFX application that uses webview to access a single website. What I have done so far
My custom URLStreamHandlerFactory
public class MyURLStreamHandlerFactory implements URLStreamHandlerFactory {
public URLStreamHandler createURLStreamHandler(String protocol) {
System.out.println("Protocol: " + protocol);
if (protocol.equalsIgnoreCase("http") || protocol.equalsIgnoreCase("https")) {
return new MyURLStreamHandler();
} else {
return new URLStreamHandler() {
#Override
protected URLConnection openConnection(URL u) throws IOException {
return new URLConnection(u) {
#Override
public void connect() throws IOException {
}
};
}
};
}
}
}
My custom URLStreamHandler
public class MyURLStreamHandler extends java.net.URLStreamHandler{
protected HttpURLConnection openConnection(URL u){
MyURLConnection q = new MyURLConnection(u);
return q;
}
}
My custom HttpURLConnection
public class MyURLConnection extends HttpURLConnection {
static int defaultPort = 443;
InputStream in;
OutputStream out;
Socket s;
publicMyURLConnection(URL url) {
super(url);
try {
setRequestMethod("POST");
} catch (ProtocolException ex) {
ex.printStackTrace();
}
}
public void setRequestProperty(String name, String value){
super.setRequestProperty(name, value);
System.out.println("Namee: " + name);
System.out.println("Value: " + value);
}
public String getRequestProperty(String name){
System.out.println("GET REQUEST: ");
return super.getRequestProperty(name);
}
public OutputStream getOutputStream() throws IOException {
OutputStream os = super.getOutputStream();
System.out.println("Output: " + os);
return os;
}
public InputStream getInputStream() throws IOException {
InputStream is = super.getInputStream();
System.out.println("INout stream: " + is);
return is;
}
#Override
public void connect() throws IOException {
}
#Override
public void disconnect() {
throw new UnsupportedOperationException("Not supported yet.");
}
#Override
public boolean usingProxy() {
throw new UnsupportedOperationException("Not supported yet.");
}
When I run the application I get the following error althouhg it seems to set some headers
Jul 08, 2013 11:09:04 AM com.sun.webpane.webkit.network.URLLoader doRun
WARNING: Unexpected error
java.net.UnknownServiceException: protocol doesn't support input
at java.net.URLConnection.getInputStream(URLConnection.java:839)
at qmed.QMedURLConnection.getInputStream(MyURLConnection.java:67)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468)
at com.sun.webpane.webkit.network.URLLoader.receiveResponse(URLLoader.java:383)
at com.sun.webpane.webkit.network.URLLoader.doRun(URLLoader.java:142)
at com.sun.webpane.webkit.network.URLLoader.access$000(URLLoader.java:44)
at com.sun.webpane.webkit.network.URLLoader$1.run(URLLoader.java:106)
at com.sun.webpane.webkit.network.URLLoader$1.run(URLLoader.java:103)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.webpane.webkit.network.URLLoader.run(URLLoader.java:103)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
All I want to do is get the response back for a given request and reads its binary data. I want the protocol to behave exactly the same way as the default one and only check the binary data of a given respone. What am I doing wrong?
The application is doing all shorts of URLConnections. Is it correct to use a HTTPURLConnection as my custom URLConnection class when the protocol is http or https and start a default URLStreamHandler when other protocols are used like I am doing in MyURLStreamHandlerFactory? Should I just extend the default URLConnection class in MYURLConnection to handle all protocols the same?
Any help would be much appreciated as this is a project threatening problem
Thank you
It might be that all you are missing is a setDoInput(true) or override getDoInput() and return true (that's what i did).
If that does not help check out my working solution:
MyURLStreamHandlerFactory:
import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
public class MyURLStreamHandlerFactory implements URLStreamHandlerFactory
{
public URLStreamHandler createURLStreamHandler(String protocol)
{
if (protocol.equals("myapp"))
{
return new MyURLHandler();
}
return null;
}
}
Register Factory:
URL.setURLStreamHandlerFactory(new MyURLStreamHandlerFactory());
MyURLHandler :
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
public class MyURLHandler extends URLStreamHandler
{
#Override
protected URLConnection openConnection(URL url) throws IOException
{
return new MyURLConnection(url);
}
}
MyURLConnection:
import java.io.*;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
/**
* Register a protocol handler for URLs like this: <code>myapp:///pics/sland.gif</code><br>
*/
public class MyURLConnection extends URLConnection
{
private byte[] data;
#Override
public void connect() throws IOException
{
if (connected)
{
return;
}
loadImage();
connected = true;
}
public String getHeaderField(String name)
{
if ("Content-Type".equalsIgnoreCase(name))
{
return getContentType();
}
else if ("Content-Length".equalsIgnoreCase(name))
{
return "" + getContentLength();
}
return null;
}
public String getContentType()
{
String fileName = getURL().getFile();
String ext = fileName.substring(fileName.lastIndexOf('.'));
return "image/" + ext; // TODO: switch based on file-type
}
public int getContentLength()
{
return data.length;
}
public long getContentLengthLong()
{
return data.length;
}
public boolean getDoInput()
{
return true;
}
public InputStream getInputStream() throws IOException
{
connect();
return new ByteArrayInputStream(data);
}
private void loadImage() throws IOException
{
if (data != null)
{
return;
}
try
{
int timeout = this.getConnectTimeout();
long start = System.currentTimeMillis();
URL url = getURL();
String imgPath = url.toExternalForm();
imgPath = imgPath.startsWith("myapp://") ? imgPath.substring("myapp://".length()) : imgPath.substring("myapp:".length()); // attention: triple '/' is reduced to a single '/'
// this is my own asynchronous image implementation
// instead of this part (including the following loop) you could do your own (synchronous) loading logic
MyImage img = MyApp.getImage(imgPath);
do
{
if (img.isFailed())
{
throw new IOException("Could not load image: " + getURL());
}
else if (!img.hasData())
{
long now = System.currentTimeMillis();
if (now - start > timeout)
{
throw new SocketTimeoutException();
}
Thread.sleep(100);
}
} while (!img.hasData());
data = img.getData();
}
catch (InterruptedException e)
{
e.printStackTrace();
}
}
public OutputStream getOutputStream() throws IOException
{
// this might be unnecessary - the whole method can probably be omitted for our purposes
return new ByteArrayOutputStream();
}
public java.security.Permission getPermission() throws IOException
{
return null; // we need no permissions to access this URL
}
}
Some parts of MyURLConnection might not be necessary for it to work, but like this it works for me.
Usage in JavaFX WebView:
<img src="myapp:///pics/image.png"/>
Note about permissions:
I used an applet with AllPermissions for my test with the above code.
In a Sandbox-Applet this won't work, as the setFactory permission is missing.
This is not directly related to the question asked, but might make the question itself obsolete.
With Java SE 6 Update 10 Java Applets support to access resources on any domain and port which is correctly set up with a crossdomain.xml.
With this the reason to register your own protocol might become obsolete, as you can access all resources that you need.
Another idea is: If you are trying to create a kind of network sniffer, why not directly use a network sniffer/analyzer program designed for such a task?
By activating Logging and Tracing in the Java Control-Panel your Java-Console will print all attempts and executed network calls including those from the WebView.
You can see all HTTP & HTTPS calls and their return-code + cookie data.
You might also see other protocol connections, but probably not any data sent over them.
This applies to Applets in a Browser.
If you need this in a different context maybe there is a way to activate the same options by passing command line parameters.
I have a JavaFX application which instantiates several Task objects.
Currently, my implementation (see below) calls the behavior runFactory() which performs computation under a Task object. Parallel to this, nextFunction() is invoked. Is there a way to have nextFunction() "wait" until the prior Task is complete?
I understand thread.join() waits until the running thread is complete, but with GUIs, there are additional layers of complexity due to the event dispatch thread.
As a matter of fact, adding thread.join() to the end of the code-segment below only ceases UI interaction.
If there are any suggestions how to make nextFunction wait until its prior function, runFactory is complete, I'd be very appreciative.
Thanks,
// High-level class to run the Knuth-Morris-Pratt algorithm.
public class AlignmentFactory {
public void perform() {
KnuthMorrisPrattFactory factory = new KnuthMorrisPrattFactory();
factory.runFactory(); // nextFunction invoked w/out runFactory finishing.
// Code to run once runFactory() is complete.
nextFunction() // also invokes a Task.
...
}
}
// Implementation of Knuth-Morris-Pratt given a list of words and a sub-string.
public class KnuthMorrisPratt {
public void runFactory() throws InterruptedException {
Thread thread = null;
Task<Void> task = new Task<Void>() {
#Override public Void call() throws InterruptedException {
for (InputSequence seq: getSequences) {
KnuthMorrisPratt kmp = new KnuthMorrisPratt(seq, substring);
kmp.align();
}
return null;
}
};
thread = new Thread(task);
thread.setDaemon(true);
thread.start();
}
When using Tasks you need to use setOnSucceeded and possibly setOnFailed to create a logic flow in your program, I propose that you also make runFactory() return the task rather than running it:
// Implementation of Knuth-Morris-Pratt given a list of words and a sub-string.
public class KnuthMorrisPratt {
public Task<Void> runFactory() throws InterruptedException {
return new Task<Void>() {
#Override public Void call() throws InterruptedException {
for (InputSequence seq: getSequences) {
KnuthMorrisPratt kmp = new KnuthMorrisPratt(seq, substring);
kmp.align();
}
return null;
}
};
}
// High-level class to run the Knuth-Morris-Pratt algorithm.
public class AlignmentFactory {
public void perform() {
KnuthMorrisPrattFactory factory = new KnuthMorrisPrattFactory();
Task<Void> runFactoryTask = factory.runFactory();
runFactoryTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
#Override
public void handle(WorkerStateEvent t)
{
// Code to run once runFactory() is completed **successfully**
nextFunction() // also invokes a Task.
}
});
runFactoryTask.setOnFailed(new EventHandler<WorkerStateEvent>() {
#Override
public void handle(WorkerStateEvent t)
{
// Code to run once runFactory() **fails**
}
});
new Thread(runFactoryTask).start();
}
}