kity/spec/graphic/line.js

Kity Graphic Library

describe('Kity.Line', function() {
    var Paper = kity.Paper,
        Shape = kity.Shape,
        Path = kity.Path,
        Line = kity.Line;
    var paper, container, line;

    beforeEach(function() {
        container = document.createElement('div');
        document.body.appendChild(container);
        paper = new Paper(container);
        line = new Line(0, 0, 10, 10);
    });

    it('应该是一个Path实例', function() {
        expect(line instanceof Path).toBeTruthy();
    });

    it('应该是一个Shape实例', function() {
        expect(line instanceof Shape).toBeTruthy();
    });

    it('正确设置了Path.data', function() {
        expect(line.getPathData()).toBe('M0,0L10,10');
    });

    it('正确获取直线的位置', function() {
        var p1, p2;
        p1 = line.getPoint1();
        p2 = line.getPoint2();
        expect(p1.x).toBe(0);
        expect(p1.y).toBe(0);
        expect(p2.x).toBe(10);
        expect(p2.x).toBe(10);
    });

    describe('setPoint1()', function() {
        it('设置第一个点', function() {
            expect(line.setPoint1(20, 10).getPoint1()).toMatchPlain({
                x: 20,
                y: 10
            });
        });

        it('保持链式调用', function() {
            // 上面的方法能保证
        });
    });

    describe('setPoint2()', function() {
        it('设置第一个点', function() {
            expect(line.setPoint2(20, 10).getPoint2()).toMatchPlain({
                x: 20,
                y: 10
            });
        });

        it('保持链式调用', function() {
            // 上面的方法能保证
        });
    });
});