fix: 修复 jest 高版本全局变量找不到的问题

jest.config.js

@@ -43,6 +43,7 @@ module.exports = {
     reporters: [
         'default'
     ],
+    setupFiles: ['./jest.global.js'],
     globals: {
         describes: parseDescribes()
     },

jest.global.js

+const {
+  readFileSync,
+  readdirSync
+} = require('fs')
+const {
+  extname,
+  resolve
+} = require('path')
+
+module.exports = async function (globalConfig, projectConfig) {
+
+  const describeRE = /describe\(["|'](.*)["|']/
+  const testsRE = /test\(["|'](.*)["|']/g
+
+  function parse(content) {
+    const describes = content.match(describeRE)
+    if (!describes) {
+      return
+    }
+    const describe = describes[1]
+    const tests = []
+    let test
+    while (test = testsRE.exec(content)) {
+      tests.push(test[1])
+    }
+    return {
+      describe,
+      tests
+    }
+  }
+
+  function parseDescribes() {
+    const dir = resolve(__dirname, 'uni_modules/uts-tests/utssdk')
+    const describes = []
+    readdirSync(dir).forEach(file => {
+      if (extname(file) === '.uts') {
+        describes.push(parse(readFileSync(resolve(dir, file), 'utf8')))
+      }
+    })
+    return describes
+  };
+
+  global.describes = parseDescribes();
+};
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