70532a6cc6
* Try workaround for percy snapshot * Return our modified document * test: some dark magic to make it possible to take screenshots of WebGL canvases * Apply transformation directly to test DOM * investigate: window:before:load * Register flag in correct place; add experimental-webgl check * Remaining canvas fixes * Remove comment
36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
// ***********************************************************
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// This example support/index.js is processed and
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// loaded automatically before your test files.
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//
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// This is a great place to put global configuration and
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// behavior that modifies Cypress.
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//
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// You can change the location of this file or turn off
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// automatically serving support files with the
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// 'supportFile' configuration option.
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//
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// You can read more here:
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// https://on.cypress.io/configuration
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// ***********************************************************
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import './commands';
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Cypress.on('window:before:load', window => {
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// Override our `getContext` function so all contexts that are webGl are
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// Created with `preserveDrawingBuffer = true`; this is required for percy
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// Snapshot
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window.HTMLCanvasElement.prototype.getContext = (function(oldGetContextFn) {
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return function(type, attrs) {
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attrs = attrs || {};
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if (
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type === 'webgl' ||
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type === 'webgl2' ||
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type === 'experimental-webgl'
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) {
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attrs.preserveDrawingBuffer = true;
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}
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return oldGetContextFn.apply(this, [type, attrs]);
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};
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})(HTMLCanvasElement.prototype.getContext);
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});
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