0byt3m1n1
Path:
C:
/
wamp64
/
www
/
cpms_new
/
gentelella-1.3.0
/
vendors
/
echarts
/
test
/
ut
/
core
/
[
Home
]
File: uiHelper.js
(function (context) { var helper = context.uiHelper = {}; /** * expect canvas.toDataURL to be the same by old and new echarts * @param {function} doTest test body * @param {function} done done callback provided by jasmine */ helper.expectEqualCanvasContent = function(doTest, done) { window.require(['oldEcharts', 'newEcharts'], function (oldE, newE) { var oldCanvas = doTest(oldE); var newCanvas = doTest(newE); expect(oldCanvas.toDataURL()).toEqual(newCanvas.toDataURL()); done(); }); }; /** * expect canvas operation stack provided by canteen * to be the same by old and new echarts * @param {function} doTest test body * @param {function} done done callback provided by jasmine */ helper.expectEqualCanvasStack = function(doTest, done) { window.require(['oldEcharts', 'newEcharts'], function (oldE, newE) { var oldCtx = doTest(oldE).getContext('2d'); var newCtx = doTest(newE).getContext('2d'); // hash of canvas operation stack, provided by canteen // https://github.com/platfora/Canteen expect(oldCtx.hash()).toEqual(newCtx.hash()); done(); }); }; /** * expect canvas with strategy * @param {string} strategy 'content' or 'stack' * @param {function} doTest test body * @param {function} done done callback provided by jasmine */ helper.expectEqualCanvas = function(strategy, doTest, done) { if (strategy === 'content') { helper.expectEqualCanvasContent(doTest, done); } else if (strategy === 'stack') { helper.expectEqualCanvasStack(doTest, done); } else { console.error('Invalid equal canvas strategy!'); } }; /** * get rendered canvas with echarts and operations * @param {object} echarts echarts * @param {function} operations operations with echarts * @return {Canvas} canvas rendered by echarts */ helper.getRenderedCanvas = function(echarts, operations) { // init canvas with echarts var canvas = document.createElement('canvas'); canvas.width = 800; canvas.height = 600; var myChart = echarts.init(canvas); // user defined operations operations(myChart); return canvas; }; })(window);