Packet2json refactor (#721)

* refactor packet2JSON to not use jquery

also added unit tests for it and switched to use chrome-headless instead
of phantomjs

* update package-lock

* squash: undo sha512 to sha1 conversion in package-lock

karma.conf.js

         // start these browsers
         // available browser launchers:
         // https://npmjs.org/browse/keyword/karma-launcher
-        browsers: [ 'PhantomJS' ],
+        browsers: [ 'ChromeHeadless' ],
 
         // Continuous Integration mode
         // if true, Karma captures browsers, runs the tests and exits

modules/xmpp/ChatRoom.js

 
 const logger = getLogger(__filename);
 
-const parser = {
-    packet2JSON(packet, nodes) {
-        const self = this;
-
-        // eslint-disable-next-line newline-per-chained-call
-        $(packet).children().each(function() {
-            // eslint-disable-next-line no-invalid-this
-            const tagName = $(this).prop('tagName');
+export const parser = {
+    packet2JSON(xmlElement, nodes) {
+        for (const child of Array.from(xmlElement.children)) {
             const node = {
-                tagName
+                attributes: {},
+                children: [],
+                tagName: child.tagName
             };
 
-            node.attributes = {};
-
-            // eslint-disable-next-line no-invalid-this
-            $($(this)[0].attributes).each((index, attr) => {
+            for (const attr of Array.from(child.attributes)) {
                 node.attributes[attr.name] = attr.value;
-            });
-
-            // eslint-disable-next-line no-invalid-this
-            const text = Strophe.getText($(this)[0]);
+            }
+            const text = Strophe.getText(child);
 
             if (text) {
                 node.value = text;
             }
-            node.children = [];
             nodes.push(node);
-
-            // eslint-disable-next-line no-invalid-this
-            self.packet2JSON($(this), node.children);
-        });
+            this.packet2JSON(child, node.children);
+        }
     },
     json2packet(nodes, packet) {
         for (let i = 0; i < nodes.length; i++) {

modules/xmpp/ChatRoom.spec.js

+import { parser } from './ChatRoom';
+import { $pres } from 'strophe.js';
+
+// This rule makes creating the xml elements take up way more
+// space than necessary.
+/* eslint-disable newline-per-chained-call */
+
+describe('ChatRoom', () => {
+    describe('packet2JSON', () => {
+        let nodes = [];
+
+        beforeEach(() => {
+            nodes = [];
+        });
+
+        it('translates attributes correctly', () => {
+            const p = $pres({
+                to: 'tojid',
+                from: 'fromjid'
+            })
+            .c('fake-with-attr', {
+                fakeAttr1: 'attrValue1',
+                fakeAttr2: 'attrValue2'
+            }).up();
+
+            parser.packet2JSON(p.tree(), nodes);
+            expect(nodes.length).toBe(1);
+
+            const fakeWithAttr = nodes
+                .find(n => n.tagName === 'fake-with-attr');
+
+            expect(fakeWithAttr).toBeTruthy();
+            expect(Object.keys(fakeWithAttr.attributes).length).toEqual(2);
+            expect(fakeWithAttr.attributes.fakeAttr1).toBeTruthy();
+            expect(fakeWithAttr.attributes.fakeAttr1).toEqual('attrValue1');
+            expect(fakeWithAttr.attributes.fakeAttr2).toBeTruthy();
+            expect(fakeWithAttr.attributes.fakeAttr2).toEqual('attrValue2');
+            expect(fakeWithAttr.children.length).toEqual(0);
+            expect(fakeWithAttr.value).toBeFalsy();
+        });
+
+        it('translates element text correctly', () => {
+            const p = $pres({
+                to: 'tojid',
+                from: 'fromjid'
+            })
+            .c('user-agent').t('user-agent-text').up();
+
+            parser.packet2JSON(p.tree(), nodes);
+
+            expect(nodes.length).toBe(1);
+            const userAgent = nodes.find(n => n.tagName === 'user-agent');
+
+            expect(userAgent).toBeTruthy();
+            expect(Object.keys(userAgent.attributes).length).toEqual(0);
+            expect(userAgent.children.length).toEqual(0);
+            expect(userAgent.value).toEqual('user-agent-text');
+        });
+
+        it('translates elements with children correctly', () => {
+            const p = $pres({
+                to: 'tojid',
+                from: 'fromjid'
+            })
+            .c('identity')
+                .c('user')
+                    .c('id').t('id-text').up()
+                    .c('name').t('name-text').up()
+                    .c('avatar').t('avatar-text').up()
+                .up()
+                .c('group').t('group-text').up()
+            .up();
+
+            parser.packet2JSON(p.tree(), nodes);
+
+            const identity = nodes.find(n => n.tagName === 'identity');
+
+            expect(identity).toBeTruthy();
+            expect(Object.keys(identity.attributes).length).toEqual(0);
+            expect(identity.children.length).toEqual(2);
+            {
+                const user = identity.children
+                    .find(n => n.tagName === 'user');
+
+                expect(user).toBeTruthy();
+                expect(Object.keys(user.attributes).length).toEqual(0);
+                expect(user.children.length).toEqual(3);
+                {
+                    const id = user.children
+                        .find(n => n.tagName === 'id');
+
+                    expect(id).toBeTruthy();
+                    expect(Object.keys(id.attributes).length).toEqual(0);
+                    expect(id.children.length).toEqual(0);
+                    expect(id.value).toEqual('id-text');
+                }
+                {
+                    const name = user.children
+                        .find(n => n.tagName === 'name');
+
+                    expect(name).toBeTruthy();
+                    expect(Object.keys(name.attributes).length).toEqual(0);
+                    expect(name.children.length).toEqual(0);
+                    expect(name.value).toEqual('name-text');
+                }
+                {
+                    const avatar = user.children
+                        .find(n => n.tagName === 'avatar');
+
+                    expect(avatar).toBeTruthy();
+                    expect(Object.keys(avatar.attributes).length).toEqual(0);
+                    expect(avatar.children.length).toEqual(0);
+                    expect(avatar.value).toEqual('avatar-text');
+                }
+                expect(user.value).toBeFalsy();
+            }
+            {
+                const group = identity.children
+                    .find(n => n.tagName === 'group');
+
+                expect(group).toBeTruthy();
+                expect(Object.keys(group.attributes).length).toEqual(0);
+                expect(group.children.length).toEqual(0);
+                expect(group.value).toEqual('group-text');
+            }
+            expect(identity.value).toBeFalsy();
+        });
+    });
+});

package-lock.json

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       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
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+          "integrity": "sha1-le+U+F7MgdAHwmThkKEg8KPIVms=",
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         "which": "1.3.0"
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package.json

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