chore: add tests

packages/uni-cli-shared/__tests__/__snapshots__/inject.spec.ts.snap

+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`inject basic 1`] = `
+"import { reLaunch as $inject_uni_reLaunch } from '@dcloudio/uni-h5';
+
+uni.test();$inject_uni_reLaunch();"
+`;
+
+exports[`inject reassignment 1`] = `
+"import { reLaunch as $inject_uni_reLaunch } from '@dcloudio/uni-h5';
+
+import { navigateTo as $inject_uni_navigateTo } from '@dcloudio/uni-h5';
+
+$inject_uni_reLaunch();uni.reLaunch=()=>{};uni.reLaunch();$inject_uni_navigateTo();const temp = $inject_uni_navigateTo;$inject_uni_navigateTo();temp();"
+`;

packages/uni-cli-shared/__tests__/inject.spec.ts

+import { parse } from '@babel/parser'
+import { SourceDescription, TransformPluginContext } from 'rollup'
+import { uniViteInjectPlugin } from '../src/vite/plugins/inject'
+const injectOptions = {
+  sourceMap: false,
+  'uni.': [
+    '@dcloudio/uni-h5',
+    ((method: string) => {
+      // API白名单
+      return ['navigateTo', 'reLaunch'].includes(method)
+    }) as unknown as string,
+  ],
+}
+
+describe('inject', () => {
+  const filename = 'a.js'
+  const context = {
+    parse: (code: string) => parse(code).program,
+  } as unknown as TransformPluginContext
+  test(`basic`, () => {
+    const plugin = uniViteInjectPlugin(injectOptions)
+    expect(
+      (
+        plugin.transform!.call(
+          context,
+          `uni.test();uni.reLaunch();`,
+          filename
+        ) as SourceDescription
+      ).code
+    ).toMatchSnapshot()
+  })
+  test(`reassignment`, () => {
+    const plugin = uniViteInjectPlugin(injectOptions)
+    expect(
+      (
+        plugin.transform!.call(
+          context,
+          `uni.reLaunch();uni.reLaunch=()=>{};uni.reLaunch();uni.navigateTo();const temp = uni.navigateTo;uni.navigateTo();temp();`,
+          filename
+        ) as SourceDescription
+      ).code
+    ).toMatchSnapshot()
+  })
+})