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drawing_test.js
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var Drawing = require('@src/components/drawing');
var d3 = require('d3');
describe('Drawing', function() {
'use strict';
describe('setClipUrl', function() {
beforeEach(function() {
this.svg = d3.select('body').append('svg');
this.g = this.svg.append('g');
});
afterEach(function() {
this.svg.remove();
this.g.remove();
});
it('should set the clip-path attribute', function() {
expect(this.g.attr('clip-path')).toBe(null);
Drawing.setClipUrl(this.g, 'id1');
expect(this.g.attr('clip-path')).toEqual('url(#id1)');
});
it('should unset the clip-path if arg is falsy', function() {
this.g.attr('clip-path', 'url(#id2)');
Drawing.setClipUrl(this.g, false);
expect(this.g.attr('clip-path')).toBe(null);
});
it('should append window URL to clip-path if <base> is present', function() {
// append <base> with href
var base = d3.select('body')
.append('base')
.attr('href', 'https://plot.ly');
// grab window URL
var href = window.location.href;
Drawing.setClipUrl(this.g, 'id3');
expect(this.g.attr('clip-path'))
.toEqual('url(' + href + '#id3)');
base.remove();
});
it('should append window URL w/o hash to clip-path if <base> is present', function() {
var base = d3.select('body')
.append('base')
.attr('href', 'https://plot.ly/#hash');
window.location.hash = 'hash';
Drawing.setClipUrl(this.g, 'id4');
var expected = 'url(' + window.location.href.split('#')[0] + '#id4)';
expect(this.g.attr('clip-path')).toEqual(expected);
base.remove();
window.location.hash = '';
});
});
describe('getTranslate', function() {
it('should work with regular DOM elements', function() {
var el = document.createElement('div');
expect(Drawing.getTranslate(el)).toEqual({ x: 0, y: 0 });
el.setAttribute('transform', 'translate(123.45px, 67)');
expect(Drawing.getTranslate(el)).toEqual({ x: 123.45, y: 67 });
el.setAttribute('transform', 'translate(123.45)');
expect(Drawing.getTranslate(el)).toEqual({ x: 123.45, y: 0 });
el.setAttribute('transform', 'translate(1 2)');
expect(Drawing.getTranslate(el)).toEqual({ x: 1, y: 2 });
el.setAttribute('transform', 'translate(1 2); rotate(20deg)');
expect(Drawing.getTranslate(el)).toEqual({ x: 1, y: 2 });
el.setAttribute('transform', 'rotate(20deg) translate(1 2);');
expect(Drawing.getTranslate(el)).toEqual({ x: 1, y: 2 });
el.setAttribute('transform', 'rotate(20deg)');
expect(Drawing.getTranslate(el)).toEqual({ x: 0, y: 0 });
});
it('should work with d3 elements', function() {
var el = d3.select(document.createElement('div'));
el.attr('transform', 'translate(123.45px, 67)');
expect(Drawing.getTranslate(el)).toEqual({ x: 123.45, y: 67 });
el.attr('transform', 'translate(123.45)');
expect(Drawing.getTranslate(el)).toEqual({ x: 123.45, y: 0 });
el.attr('transform', 'translate(1 2)');
expect(Drawing.getTranslate(el)).toEqual({ x: 1, y: 2 });
el.attr('transform', 'translate(1 2); rotate(20)');
expect(Drawing.getTranslate(el)).toEqual({ x: 1, y: 2 });
el.attr('transform', 'rotate(20)');
expect(Drawing.getTranslate(el)).toEqual({ x: 0, y: 0 });
});
});
describe('setTranslate', function() {
it('should work with regular DOM elements', function() {
var el = document.createElement('div');
Drawing.setTranslate(el, 5);
expect(el.getAttribute('transform')).toBe('translate(5, 0)');
Drawing.setTranslate(el, 10, 20);
expect(el.getAttribute('transform')).toBe('translate(10, 20)');
Drawing.setTranslate(el);
expect(el.getAttribute('transform')).toBe('translate(0, 0)');
el.setAttribute('transform', 'translate(0, 0); rotate(30)');
Drawing.setTranslate(el, 30, 40);
expect(el.getAttribute('transform')).toBe('rotate(30) translate(30, 40)');
});
it('should work with d3 elements', function() {
var el = d3.select(document.createElement('div'));
Drawing.setTranslate(el, 5);
expect(el.attr('transform')).toBe('translate(5, 0)');
Drawing.setTranslate(el, 30, 40);
expect(el.attr('transform')).toBe('translate(30, 40)');
Drawing.setTranslate(el);
expect(el.attr('transform')).toBe('translate(0, 0)');
el.attr('transform', 'translate(0, 0); rotate(30)');
Drawing.setTranslate(el, 30, 40);
expect(el.attr('transform')).toBe('rotate(30) translate(30, 40)');
});
});
describe('getScale', function() {
it('should work with regular DOM elements', function() {
var el = document.createElement('div');
expect(Drawing.getScale(el)).toEqual({ x: 1, y: 1 });
el.setAttribute('transform', 'scale(1.23, 45)');
expect(Drawing.getScale(el)).toEqual({ x: 1.23, y: 45 });
el.setAttribute('transform', 'scale(123.45)');
expect(Drawing.getScale(el)).toEqual({ x: 123.45, y: 1 });
el.setAttribute('transform', 'scale(0.1 2)');
expect(Drawing.getScale(el)).toEqual({ x: 0.1, y: 2 });
el.setAttribute('transform', 'scale(0.1 2); rotate(20deg)');
expect(Drawing.getScale(el)).toEqual({ x: 0.1, y: 2 });
el.setAttribute('transform', 'rotate(20deg) scale(0.1 2);');
expect(Drawing.getScale(el)).toEqual({ x: 0.1, y: 2 });
el.setAttribute('transform', 'rotate(20deg)');
expect(Drawing.getScale(el)).toEqual({ x: 1, y: 1 });
});
it('should work with d3 elements', function() {
var el = d3.select(document.createElement('div'));
el.attr('transform', 'scale(1.23, 45)');
expect(Drawing.getScale(el)).toEqual({ x: 1.23, y: 45 });
el.attr('transform', 'scale(123.45)');
expect(Drawing.getScale(el)).toEqual({ x: 123.45, y: 1 });
el.attr('transform', 'scale(0.1 2)');
expect(Drawing.getScale(el)).toEqual({ x: 0.1, y: 2 });
el.attr('transform', 'scale(0.1 2); rotate(20)');
expect(Drawing.getScale(el)).toEqual({ x: 0.1, y: 2 });
el.attr('transform', 'rotate(20)');
expect(Drawing.getScale(el)).toEqual({ x: 1, y: 1 });
});
});
describe('setScale', function() {
it('should work with regular DOM elements', function() {
var el = document.createElement('div');
Drawing.setScale(el, 5);
expect(el.getAttribute('transform')).toBe('scale(5, 1)');
Drawing.setScale(el, 30, 40);
expect(el.getAttribute('transform')).toBe('scale(30, 40)');
Drawing.setScale(el);
expect(el.getAttribute('transform')).toBe('scale(1, 1)');
el.setAttribute('transform', 'scale(1, 1); rotate(30)');
Drawing.setScale(el, 30, 40);
expect(el.getAttribute('transform')).toBe('rotate(30) scale(30, 40)');
});
it('should work with d3 elements', function() {
var el = d3.select(document.createElement('div'));
Drawing.setScale(el, 5);
expect(el.attr('transform')).toBe('scale(5, 1)');
Drawing.setScale(el, 30, 40);
expect(el.attr('transform')).toBe('scale(30, 40)');
Drawing.setScale(el);
expect(el.attr('transform')).toBe('scale(1, 1)');
el.attr('transform', 'scale(0, 0); rotate(30)');
Drawing.setScale(el, 30, 40);
expect(el.attr('transform')).toBe('rotate(30) scale(30, 40)');
});
});
describe('setPointGroupScale', function() {
var el, sel;
beforeEach(function() {
el = document.createElement('div');
sel = d3.select(el);
});
it('sets the scale of a point', function() {
Drawing.setPointGroupScale(sel, 2, 2);
expect(el.getAttribute('transform')).toBe('scale(2,2)');
});
it('appends the scale of a point', function() {
el.setAttribute('transform', 'translate(1,2)');
Drawing.setPointGroupScale(sel, 2, 2);
expect(el.getAttribute('transform')).toBe('translate(1,2) scale(2,2)');
});
it('modifies the scale of a point', function() {
el.setAttribute('transform', 'translate(1,2) scale(3,4)');
Drawing.setPointGroupScale(sel, 2, 2);
expect(el.getAttribute('transform')).toBe('translate(1,2) scale(2,2)');
});
it('does not apply the scale of a point if scale (1, 1)', function() {
el.setAttribute('transform', 'translate(1,2)');
Drawing.setPointGroupScale(sel, 1, 1);
expect(el.getAttribute('transform')).toBe('translate(1,2)');
});
it('removes the scale of a point if scale (1, 1)', function() {
el.setAttribute('transform', 'translate(1,2) scale(3,4)');
Drawing.setPointGroupScale(sel, 1, 1);
expect(el.getAttribute('transform')).toBe('translate(1,2)');
});
});
});