test: add jest setups

Author: kagawagao

__tests__/setups/url.js

@@ -0,0 +1 @@
+window.URL.createObjectURL = jest.fn()

__tests__/setups/worker.js

@@ -0,0 +1,12 @@
+class Worker {
+  constructor(stringUrl) {
+    this.url = stringUrl
+    this.onmessage = jest.fn()
+  }
+
+  postMessage(msg) {
+    this.onmessage(msg)
+  }
+}
+
+window.Worker = Worker

jest.config.js

@@ -1,6 +1,10 @@
 module.exports = {
   preset: '@opd/jest-preset-pangu',
-  setupFiles: ['jest-canvas-mock'],
+  setupFiles: [
+    'jest-canvas-mock',
+    './__tests__/setups/worker.js',
+    './__tests__/setups/url.js',
+  ],
   transformIgnorePatterns: ['/node_modules/', '/src/.umi/'],
   collectCoverageFrom: [
     './src/**/*.{ts,tsx}',