shady-css-parser
Version:
A fast, small and flexible CSS parser.
70 lines • 2.41 kB
JavaScript
;
/**
* @license
* Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
* This code may only be used under the BSD style license found at
* http://polymer.github.io/LICENSE.txt The complete set of authors may be found
* at http://polymer.github.io/AUTHORS.txt The complete set of contributors may
* be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by
* Google as part of the polymer project is also subject to an additional IP
* rights grant found at http://polymer.github.io/PATENTS.txt
*/
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const node_visitor_1 = require("../shady-css/node-visitor");
class TestNodeVisitor extends node_visitor_1.NodeVisitor {
constructor() {
super();
this.aCallCount = 0;
this.bCallCount = 0;
}
a(a) {
this.aCallCount++;
if (a.callback) {
a.callback();
}
return 'a';
}
b(b) {
this.bCallCount++;
if (b.child) {
this.visit(b.child);
}
return 'b';
}
}
describe('NodeVisitor', () => {
let nodeVisitor;
beforeEach(function () {
nodeVisitor = new TestNodeVisitor();
});
it('visits nodes based on their type property', () => {
nodeVisitor.visit({ type: 'a' });
chai_1.expect(nodeVisitor.aCallCount).to.be.eql(1);
chai_1.expect(nodeVisitor.bCallCount).to.be.eql(0);
nodeVisitor.visit({ type: 'b' });
chai_1.expect(nodeVisitor.aCallCount).to.be.eql(1);
chai_1.expect(nodeVisitor.bCallCount).to.be.eql(1);
});
it('reveals the path of the recursive visitation of nodes', () => {
const a1 = {
type: 'a',
callback: function () {
chai_1.expect(nodeVisitor.path).to.be.eql([a1]);
}
};
const a2 = {
type: 'a',
callback: function () {
chai_1.expect(nodeVisitor.path).to.be.eql([b, a2]);
}
};
const b = { type: 'b', child: a2 };
nodeVisitor.visit(a1);
chai_1.expect(nodeVisitor.aCallCount).to.be.eql(1);
nodeVisitor.visit(b);
chai_1.expect(nodeVisitor.aCallCount).to.be.eql(2);
chai_1.expect(nodeVisitor.bCallCount).to.be.eql(1);
});
});
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