Add XMLHttpRequest tests and examples

examples/Test.js

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+//
+//  Test.js
+//  examples
+//
+//  Created by Ryan Huffman on 5/4//14
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This provides very basic unit testing functionality.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+test = function(name, func) {
+    print("Running test: " + name);
+
+    var unitTest = new UnitTest(name, func);
+
+    try {
+        unitTest.run();
+        print("  Success: " + unitTest.numAssertions + " assertions passed");
+    } catch (error) {
+        print("  Failure: " + error.message);
+    }
+};
+
+AssertionException = function(expected, actual, message) {
+    print("Creating exception");
+    this.message = message + "\n: " + actual + " != " + expected;
+    this.name = 'AssertionException';
+};
+
+UnitTest = function(name, func) {
+    this.numAssertions = 0;
+    this.func = func;
+};
+
+UnitTest.prototype.run = function() {
+    this.func();
+};
+
+UnitTest.prototype.assertNotEquals = function(expected, actual, message) {
+    this.numAssertions++;
+    if (expected == actual) {
+        throw new AssertionException(expected, actual, message);
+    }
+};
+
+UnitTest.prototype.assertEquals = function(expected, actual, message) {
+    this.numAssertions++;
+    if (expected != actual) {
+        throw new AssertionException(expected, actual, message);
+    }
+};
+
+UnitTest.prototype.assertHasProperty = function(property, actual, message) {
+    this.numAssertions++;
+    if (actual[property] === undefined) {
+        throw new AssertionException(property, actual, message);
+    }
+};
+
+UnitTest.prototype.assertNull = function(value, message) {
+    this.numAssertions++;
+    if (value !== null) {
+        throw new AssertionException(value, null, message);
+    }
+};

examples/streetAreaExample.js

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+//
+//  streetAreaExample.js
+//  examples
+//
+//  Created by Ryan Huffman on 5/4//14
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This is an example script showing how to load JSON data using XMLHttpRequest.
+//
+//  URL Macro created by Thijs Wenker.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var url = "https://script.google.com/macros/s/AKfycbwIo4lmF-qUwX1Z-9eA_P-g2gse9oFhNcjVyyksGukyDDEFXgU/exec?action=listOwners&domain=alpha.highfidelity.io";
+print("Loading street data from " + url);
+
+var req = new XMLHttpRequest();
+
+// Set response type to "json".  This will tell XMLHttpRequest to parse the response data as json, so req.response can be used
+// as a regular javascript object
+req.responseType = 'json';
+
+req.open("GET", url, false);
+req.send();
+
+if (req.status == 200) {
+    for (var domain in req.response) {
+        print("DOMAIN: " + domain);
+        var locations = req.response[domain];
+        var userAreas = [];
+        for (var i = 0; i < locations.length; i++) {
+            var loc = locations[i];
+            var x1 = loc[1],
+                y1 = loc[2],
+                x2 = loc[3],
+                y2 = loc[4];
+            userAreas.push({
+                username: loc[0],
+                area: Math.abs(x2 - x1) * Math.abs(y2 - y1),
+            });
+        }
+        userAreas.sort(function(a, b) { return a.area > b.area ? -1 : (a.area < b.area ? 1 : 0) });
+        for (var i = 0; i < userAreas.length; i++) {
+            print(userAreas[i].username + ": " + userAreas[i].area + " sq units");
+        }
+    }
+} else {
+    print("Error loading data: " + req.status + " " + req.statusText + ", " + req.errorCode);
+}

examples/testXMLHttpRequest.js

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+//
+//  testXMLHttpRequest.js
+//  examples
+//
+//  Created by Ryan Huffman on 5/4//14
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  XMLHttpRequest Tests
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+Script.include("Test.js");
+
+test("Test default request values", function(finished) {
+    var req = new XMLHttpRequest();
+
+    this.assertEquals(req.UNSENT, req.readyState, "readyState should be UNSENT");
+    this.assertEquals(0, req.status, "status should be `0` by default");
+    this.assertEquals("", req.statusText, "statusText should be empty string by default");
+    this.assertEquals("", req.getAllResponseHeaders(), "getAllResponseHeaders() should return empty string by default");
+    this.assertEquals("", req.response, "response should be empty string by default");
+    this.assertEquals("", req.responseText, "responseText should be empty string by default");
+    this.assertEquals("", req.responseType, "responseType should be empty string by default");
+    this.assertEquals(0, req.timeout, "timeout should be `0` by default");
+    this.assertEquals(0, req.errorCode, "there should be no error by default");
+});
+
+
+test("Test readyStates", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    var statesVisited = [true, false, false, false, false]
+
+    req.onreadystatechange = function() {
+        statesVisited[req.readyState] = true;
+    };
+
+    req.open("GET", "https://gist.githubusercontent.com/huffman/33cc618fec183d1bccd0/raw/test.json", false);
+    req.send();
+    for (var i = 0; i <= req.DONE; i++) {
+        this.assertEquals(true, statesVisited[i], i + " should be set");
+    }
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+});
+
+test("Test TEXT request", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    req.open("GET", "https://gist.githubusercontent.com/huffman/33cc618fec183d1bccd0/raw/test.json", false);
+    req.send();
+
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertEquals(200, req.status, "status should be `200`");
+    this.assertEquals(0, req.errorCode);
+    this.assertEquals("OK", req.statusText, "statusText should be `OK`");
+    this.assertNotEquals("", req.getAllResponseHeaders(), "headers should no longer be empty string");
+    this.assertNull(req.getResponseHeader('invalidheader'), "invalid header should return `null`");
+    this.assertEquals("GitHub.com", req.getResponseHeader('Server'), "Server header should be GitHub.com");
+    this.assertEquals('{"id": 1}', req.response);
+    this.assertEquals('{"id": 1}', req.responseText);
+});
+
+test("Test JSON request", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    req.responseType = "json";
+    req.open("GET", "https://gist.githubusercontent.com/huffman/33cc618fec183d1bccd0/raw/test.json", false);
+    req.send();
+
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertEquals(200, req.status, "status should be `200`");
+    this.assertEquals(0, req.errorCode);
+    this.assertEquals("OK", req.statusText, "statusText should be `OK`");
+    this.assertNotEquals("", req.getAllResponseHeaders(), "headers should no longer be empty string");
+    this.assertNull(req.getResponseHeader('invalidheader'), "invalid header should return `null`");
+    this.assertEquals("GitHub.com", req.getResponseHeader('Server'), "Server header should be GitHub.com");
+    this.assertHasProperty('id', req.response);
+    this.assertEquals(1, req.response.id);
+    this.assertEquals('{"id": 1}', req.responseText);
+});
+
+test("Test Bad URL", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    req.open("POST", "hifi://domain/path", false);
+    req.send();
+
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertNotEquals(0, req.errorCode);
+});
+
+test("Test Bad Method Error", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    req.open("POST", "https://www.google.com", false);
+
+    req.send("randomdata");
+
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertEquals(405, req.status);
+    this.assertEquals(202, req.errorCode);
+
+    req.open("POST", "https://www.google.com", false)
+    req.send();
+
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertEquals(405, req.status);
+    this.assertEquals(202, req.errorCode);
+});
+
+test("Test abort", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+
+    req.open("POST", "https://www.google.com", true)
+    req.send();
+    req.abort();
+
+    this.assertEquals(0, req.status);
+    this.assertEquals(0, req.errorCode);
+});
+
+test("Test timeout", function() {
+    var req = new XMLHttpRequest();
+    var state = req.readyState;
+    var timedOut = false;
+
+    req.ontimeout = function() {
+        timedOut = true;
+    };
+
+    req.open("POST", "https://gist.githubusercontent.com/huffman/33cc618fec183d1bccd0/raw/test.json", false)
+    req.timeout = 1;
+    req.send();
+
+    this.assertEquals(true, timedOut, "request should have timed out");
+    this.assertEquals(req.DONE, req.readyState, "readyState should be DONE");
+    this.assertEquals(0, req.status, "status should be `0`");
+    this.assertEquals(4, req.errorCode, "4 is the timeout error code for QNetworkReply::NetworkError");
+});