Migrate to chartjs-test-utils

package.json

@@ -42,6 +42,7 @@
     "acorn": "^8.0.4",
     "archiver": "^5.1.0",
     "chart.js": "~2.9.4",
+    "chartjs-test-utils": "^0.1.2",
     "eslint": "^7.15.0",
     "eslint-config-chartjs": "^0.3.0",
     "eslint-plugin-es": "^3.0.1",
@@ -54,7 +55,6 @@
     "karma-jasmine-html-reporter": "^1.5.4",
     "karma-rollup-preprocessor": "^7.0.5",
     "karma-spec-reporter": "^0.0.32",
-    "pixelmatch": "^5.2.1",
     "rollup": "^2.33.1",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-istanbul": "^2.0.1",

test/index.js

@@ -1,23 +1,12 @@
 import Chart from 'chart.js';
-import fixture from './fixture';
-import matchers from './matchers';
-import utils from './utils';
-
-var charts = {};
+import {acquireChart, addMatchers, releaseChart, releaseCharts, specsFromFixtures, triggerMouseEvent} from 'chartjs-test-utils';
 
 // force ratio=1 for tests on high-res/retina devices
 window.devicePixelRatio = 1;
 
 jasmine.chart = {
-  acquire: function() {
-    var chart = utils.acquireChart.apply(utils, arguments);
-    charts[chart.id] = chart;
-    return chart;
-  },
-  release: function(chart) {
-    utils.releaseChart.apply(utils, arguments);
-    delete charts[chart.id];
-  },
+  acquire: acquireChart,
+  release: releaseChart,
 
   // Since version 1.x, this plugin isn't anymore automatically registered on first
   // import. This helper allows to register the given plugin for all specs contained
@@ -43,11 +32,13 @@ jasmine.chart = {
   }
 };
 
-jasmine.fixture = fixture;
-jasmine.triggerMouseEvent = utils.triggerMouseEvent;
+jasmine.fixture = {
+  specs: specsFromFixtures
+};
+jasmine.triggerMouseEvent = triggerMouseEvent;
 
 beforeEach(function() {
-  jasmine.addMatchers(matchers);
+  addMatchers();
 
   Chart.helpers.merge(Chart.defaults.global, {
     animation: false,
@@ -83,11 +74,5 @@ beforeEach(function() {
 });
 
 afterEach(function() {
-  // Auto releasing acquired charts
-  Object.keys(charts).forEach(function(id) {
-    var chart = charts[id];
-    if (!(chart.$test || {}).persistent) {
-      jasmine.chart.release(chart);
-    }
-  });
+  releaseCharts();
 });