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package net.java.html.json.tests;

import net.java.html.BrwsrCtx;

import net.java.html.json.Model;

import net.java.html.json.Models;

import net.java.html.json.OnReceive;

import net.java.html.json.Property;

import org.apidesign.html.json.tck.KOTest;

/** Testing support of WebSocket communication.

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

@Model(className = "WebSocketik", properties = {

    @Property(name = "fetched", type = Person.class),

    @Property(name = "fetchedCount", type = int.class),

    @Property(name = "open", type = int.class),

    @Property(name = "fetchedResponse", type = String.class),

    @Property(name = "fetchedSex", type = Sex.class, array = true)

})

public final class WebSocketTest {

    private WebSocketik js;

    private String url;

    @OnReceive(url = "{url}", data = Sex.class, method = "WebSocket", onError = "error")

    static void querySex(WebSocketik model, Person data) {

        if (data == null) {

            model.setOpen(1);

        } else {

            model.setFetched(data);

        }

    }

    @KOTest public void connectUsingWebSocket() throws Throwable {

        if (js == null) {

            url = Utils.prepareURL(

                JSONTest.class, "{'firstName': 'Mitar', 'sex': '$0' }", 

                "application/javascript",

                "protocol:ws"

            );

            js = Models.bind(new WebSocketik(), newContext());

            js.applyBindings();

            js.setFetched(null);

            // connects to the server

            js.querySex(url, null);

        }

        if (bailOutIfNotSupported(js)) {

            return;

        }

        if (js.getOpen() == 0) {

            throw new InterruptedException();

        }

        if (js.getOpen() == 1) {

            // send a query to the server

            js.querySex(url, Sex.FEMALE);

            js.setOpen(2);

        }

        Person p = js.getFetched();

        if (p == null) {

            throw new InterruptedException();

        }

        assert "Mitar".equals(p.getFirstName()) : "Unexpected: " + p.getFirstName();

        assert Sex.FEMALE.equals(p.getSex()) : "Expecting FEMALE: " + p.getSex();

        if (js.getOpen() == 2) {

            // close the socket

            js.querySex(url, null);

            js.setOpen(3);

        }

        if (js.getFetchedResponse() == null) {

            throw new InterruptedException();

        }

        assert "null".equals(js.getFetchedResponse()) : "Should be null: " + js.getFetchedResponse();

    }

    @KOTest public void errorUsingWebSocket() throws Throwable {

        js = Models.bind(new WebSocketik(), newContext());

        js.applyBindings();

        js.setFetched(null);

        js.querySex("http://wrong.protocol", null);

        assert js.getFetchedResponse() != null : "Error reported";

    }

    @KOTest public void haveToOpenTheWebSocket() throws Throwable {

        js = Models.bind(new WebSocketik(), newContext());

        js.applyBindings();

        js.setFetched(null);

        try {

            js.querySex("http://wrong.protocol", Sex.MALE);

            assert false : "Should throw an exception";

        } catch (IllegalStateException ex) {

            assert ex.getMessage().contains("not open") : "Expecting 'not open' msg: " + ex.getMessage();

        }

    }

    static void error(WebSocketik model, Exception ex) {

        if (ex != null) {

            model.setFetchedResponse(ex.getClass() + ":" + ex.getMessage());

        } else {

            model.setFetchedResponse("null");

        }

    }

    private static BrwsrCtx newContext() {

        return Utils.newContext(WebSocketTest.class);

    }

    private boolean bailOutIfNotSupported(WebSocketik js) {

        if (js.getFetchedResponse() == null) {

            return false;

        }

        return js.getFetchedResponse().contains("UnsupportedOperationException") &&

            Utils.canFailWebSockets(WebSocketTest.class);

    }

}