org.apache.cordova.unittests.NativeToJsMessageQueueTest.java Source code

Introduction

Here is the source code for org.apache.cordova.unittests.NativeToJsMessageQueueTest.java

Source

/*
   Licensed to the Apache Software Foundation (ASF) under one
   or more contributor license agreements.  See the NOTICE file
   distributed with this work for additional information
   regarding copyright ownership.  The ASF licenses this file
   to you under the Apache License, Version 2.0 (the
   "License"); you may not use this file except in compliance
   with the License.  You may obtain a copy of the License at
    
     http://www.apache.org/licenses/LICENSE-2.0
    
   Unless required by applicable law or agreed to in writing,
   software distributed under the License is distributed on an
   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   KIND, either express or implied.  See the License for the
   specific language governing permissions and limitations
   under the License.
*/

package org.apache.cordova.unittests;

import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.webkit.ValueCallback;

import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CordovaResourceApi;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.CordovaWebViewEngine;
import org.apache.cordova.ICordovaCookieManager;
import org.apache.cordova.NativeToJsMessageQueue;
import org.apache.cordova.PluginManager;
import org.apache.cordova.PluginResult;
import org.apache.cordova.engine.SystemWebViewEngine;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Before;
import org.junit.Test;

import java.util.ArrayList;
import java.util.concurrent.ExecutorService;

import static org.junit.Assert.*;

public class NativeToJsMessageQueueTest {

    NativeToJsMessageQueue queue = new NativeToJsMessageQueue();
    private String TEST_CALLBACK_ID = "MessageQueueTest";

    //A queue with no bridges should not work
    @Test
    public void testEmptyBridge() {
        assertFalse(queue.isBridgeEnabled());
    }

    //A queue with at least one bridge should work, using Eval Bridge
    @Test
    public void testEnabledBridge() {
        NativeToJsMessageQueue.BridgeMode bridge;
        bridge = new NativeToJsMessageQueue.NoOpBridgeMode();
        queue.addBridgeMode(bridge);
        queue.setBridgeMode(0);
        assertTrue(queue.isBridgeEnabled());
    }

    //This test is for the undocumented encoding system setup for the bridge
    //TODO: Document how the non-Javascript bridges are supposed to work
    @Test
    public void testPopAndEncode() {
        NativeToJsMessageQueue.BridgeMode bridge;
        bridge = new NativeToJsMessageQueue.NoOpBridgeMode();
        queue.addBridgeMode(bridge);
        queue.setBridgeMode(0);

        PluginResult result = new PluginResult(PluginResult.Status.OK);
        queue.addPluginResult(result, TEST_CALLBACK_ID);
        assertFalse(queue.isEmpty());
        String resultString = queue.popAndEncode(false);
        String[] results = resultString.split(" ");
        assertEquals(TEST_CALLBACK_ID, results[2]);
    }

    //This test is for the evalBridge, which directly calls cordova.callbackFromNative, skipping
    //platform specific NativeToJs code
    @Test
    public void testBasicPopAndEncodeAsJs() {
        NativeToJsMessageQueue.BridgeMode bridge;
        bridge = new NativeToJsMessageQueue.NoOpBridgeMode();
        queue.addBridgeMode(bridge);
        queue.setBridgeMode(0);

        PluginResult result = new PluginResult(PluginResult.Status.OK);
        queue.addPluginResult(result, TEST_CALLBACK_ID);
        assertFalse(queue.isEmpty());
        String resultString = queue.popAndEncodeAsJs();
        assertTrue(resultString.startsWith("cordova.callbackFromNative"));
    }

    //This test is for the evalBridge, which directly calls cordova.callbackFromNative, skipping
    //platform specific NativeToJs code
    @Test
    public void testStringPopAndEncodeAsJs() {
        NativeToJsMessageQueue.BridgeMode bridge;
        bridge = new NativeToJsMessageQueue.NoOpBridgeMode();
        queue.addBridgeMode(bridge);
        queue.setBridgeMode(0);

        PluginResult result = new PluginResult(PluginResult.Status.OK, "String Plugin Result");
        queue.addPluginResult(result, TEST_CALLBACK_ID);
        assertFalse(queue.isEmpty());
        String resultString = queue.popAndEncodeAsJs();
        assertTrue(resultString.startsWith("cordova.callbackFromNative"));
    }

    //This test is for the evalBridge, which directly calls cordova.callbackFromNative, skipping
    //platform specific NativeToJs code
    @Test
    public void testJsonPopAndEncodeAsJs() {
        NativeToJsMessageQueue.BridgeMode bridge;
        bridge = new NativeToJsMessageQueue.NoOpBridgeMode();
        queue.addBridgeMode(bridge);
        queue.setBridgeMode(0);

        JSONObject object = new JSONObject();
        try {
            object.put("test", "value");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        PluginResult result = new PluginResult(PluginResult.Status.OK, object);
        queue.addPluginResult(result, TEST_CALLBACK_ID);
        assertFalse(queue.isEmpty());
        String resultString = queue.popAndEncodeAsJs();
        assertTrue(resultString.startsWith("cordova.callbackFromNative"));
    }

    //This test is for the evalBridge, which directly calls cordova.callbackFromNative, skipping
    //platform specific NativeToJs code
    @Test
    public void testMultipartPopAndEncodeAsJs() {
        ArrayList<PluginResult> multiparts = new ArrayList<PluginResult>();
        for (int i = 0; i < 5; i++) {
            multiparts.add(new PluginResult(PluginResult.Status.OK, i));
        }
        PluginResult multipartresult = new PluginResult(PluginResult.Status.OK, multiparts);
        NativeToJsMessageQueue queue = new NativeToJsMessageQueue();
        queue.addBridgeMode(new NativeToJsMessageQueue.NoOpBridgeMode());
        queue.setBridgeMode(0);
        queue.addPluginResult(multipartresult, "37");
        String result = queue.popAndEncodeAsJs();
        assertEquals(result, "cordova.callbackFromNative('37',true,1,[0,1,2,3,4],false);");
    }

}