@BeforeClass
public static void setup() throws Exception {
registry = Registry.getNewInstanceForTestOnly();
hub = Hub.getNewInstanceForTest(PortProber.findFreePort(), registry);
status = new URL("http://" + hub.getHost() + ":" + hub.getPort() + "/grid/status");
host = new HttpHost(hub.getHost(), hub.getPort());
hub.start();
p1 = RemoteProxyFactory.getNewBasicRemoteProxy("app1", "http://machine1:4444/");
p2 = RemoteProxyFactory.getNewBasicRemoteProxy("app1", "http://machine2:4444/");
p3 = RemoteProxyFactory.getNewBasicRemoteProxy("app1", "http://machine3:4444/");
p4 = RemoteProxyFactory.getNewBasicRemoteProxy("app1", "http://machine4:4444/");
RegistrationRequest req = new RegistrationRequest();
Map<String, Object> capability = new HashMap<String, Object>();
capability.put("applicationName", "custom app");
req.addDesiredCapabilitiy(capability);
Map<String, Object> config = new HashMap<String, Object>();
config.put("url", "http://machine5:4444/");
req.setConfiguration(config);
customProxy = new MyCustomProxy(req);
registry.add(p1);
registry.add(p2);
registry.add(p3);
registry.add(p4);
registry.add(customProxy);
}
/** how to setup a grid that does not use FIFO for the requests. */
public class WebDriverPriorityDemo {
private Hub hub =
Hub.getNewInstanceForTest(PortProber.findFreePort(), Registry.getNewInstanceForTestOnly());
private URL hubURL = hub.getUrl();
// start a small grid that only has 1 testing slot : firefox
@BeforeClass(alwaysRun = true)
public void prepare() throws Exception {
hub.start();
hubURL = new URL("http://" + hub.getHost() + ":" + hub.getPort());
SelfRegisteringRemote remote =
SelfRegisteringRemote.create(
SeleniumProtocol.WebDriver, PortProber.findFreePort(), hub.getRegistrationURL());
remote.addFirefoxSupport(null);
remote.setMaxConcurrentSession(1);
remote.setTimeout(-1, -1);
remote.launchRemoteServer();
remote.registerToHub();
// assigning a priority rule where requests with the flag "important"
// go first.
hub.getRegistry()
.setPrioritizer(
new Prioritizer() {
public int compareTo(Map<String, Object> a, Map<String, Object> b) {
boolean aImportant =
a.get("important") == null
? false
: Boolean.parseBoolean(a.get("important").toString());
boolean bImportant =
b.get("important") == null
? false
: Boolean.parseBoolean(b.get("important").toString());
if (aImportant == bImportant) {
return 0;
}
if (aImportant && !bImportant) {
return -1;
} else {
return 1;
}
}
});
}
WebDriver runningOne;
// mark the grid 100% busy = having 1 firefox test running.
@Test
public void test() throws MalformedURLException, InterruptedException {
DesiredCapabilities ff = DesiredCapabilities.firefox();
runningOne = new RemoteWebDriver(new URL(hubURL + "/grid/driver"), ff);
runningOne.get(hubURL + "/grid/console");
Assert.assertEquals(runningOne.getTitle(), "Grid overview");
}
// queuing 5 requests on the grid.
@Test(dependsOnMethods = "test")
public void sendMoreRequests() throws MalformedURLException {
for (int i = 0; i < 5; i++) {
new Thread(
new Runnable() {
public void run() {
DesiredCapabilities ff = DesiredCapabilities.firefox();
try {
new RemoteWebDriver(new URL(hubURL + "/grid/driver"), ff);
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
})
.start();
}
}
WebDriver importantOne;
boolean importantOneStarted = false;
// adding a request with high priority at the end of the queue
@Test(dependsOnMethods = "sendMoreRequests", timeOut = 30000)
public void sendTheImportantOne() throws MalformedURLException, InterruptedException {
while (hub.getRegistry().getNewSessionRequests().size() != 5) {
Thread.sleep(250);
}
Assert.assertEquals(hub.getRegistry().getNewSessionRequests().size(), 5);
Assert.assertEquals(hub.getRegistry().getActiveSessions().size(), 1);
final DesiredCapabilities ff = DesiredCapabilities.firefox();
ff.setCapability("important", true);
new Thread(
new Runnable() {
public void run() {
try {
importantOne = new RemoteWebDriver(new URL(hubURL + "/grid/driver"), ff);
importantOneStarted = true;
} catch (MalformedURLException e) {
throw new RuntimeException("bug", e);
}
}
})
.start();
}
// then 5 more non-important requests
@Test(dependsOnMethods = "sendTheImportantOne")
public void sendMoreRequests2() throws MalformedURLException {
for (int i = 0; i < 5; i++) {
new Thread(
new Runnable() {
public void run() {
DesiredCapabilities ff = DesiredCapabilities.firefox();
try {
new RemoteWebDriver(new URL(hubURL + "/grid/driver"), ff);
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
})
.start();
}
}
@Test(dependsOnMethods = "sendMoreRequests2", timeOut = 20000)
public void validateStateAndPickTheImportantOne() throws InterruptedException {
try {
while (hub.getRegistry().getNewSessionRequests().size() != 11) {
Thread.sleep(500);
}
// queue = 5 + 1 important + 5.
Assert.assertEquals(hub.getRegistry().getNewSessionRequests().size(), 11);
// 1 firefox still running
Assert.assertEquals(hub.getRegistry().getActiveSessions().size(), 1);
// closing the running test.
runningOne.quit();
// validating new expected state
while (!(hub.getRegistry().getActiveSessions().size() == 1
&& hub.getRegistry().getNewSessionRequests().size() == 10)) {
Thread.sleep(250);
Reporter.log("waiting for correct state.");
}
// TODO freynaud : sometines does not start. FF pops up, but address bar remains empty.
while (!importantOneStarted) {
Thread.sleep(250);
Reporter.log("waiting for browser to start");
}
importantOne.get(hubURL + "/grid/console");
Assert.assertEquals(importantOne.getTitle(), "Grid overview");
} finally {
// cleaning the queue to avoid having some browsers left over after
// the test
hub.getRegistry().getNewSessionRequests().clear();
importantOne.quit();
}
}
@AfterClass(alwaysRun = true)
public void stop() throws Exception {
hub.stop();
}
}