test: downloadfile uni.env测试例

pages/API/download-file/download-file.test.js

@@ -20,7 +20,18 @@ describe('ExtApi-DownloadFile', () => {
 
   it('Check ', async () => {
     expect(res).toBe(true);
-  });
+  });
+
+
+  if (!process.env.uniTestPlatformInfo.startsWith('web')) {
+    it('Check uni.env', async () => {
+      await page.callMethod('jest_downloadFile_with_uni_env');
+      await page.waitFor(2000);
+      res = await page.data('jest_result');
+      expect(res).toBe(true);
+    });
+  }
+
 
   let shouldTestCookie = false
   if (process.env.uniTestPlatformInfo.startsWith('android') && !process.env.UNI_AUTOMATOR_APP_WEBVIEW) {

pages/API/download-file/download-file.uvue

@@ -71,6 +71,19 @@
         });
       },
 
+      jest_downloadFile_with_uni_env() {
+        uni.downloadFile({
+          url: "https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/uni-app.png",
+          filePath: `${uni.env.CACHE_PATH}/a/b/`,
+          success: () => {
+            this.jest_result = true
+          },
+          fail: () => {
+            this.jest_result = false
+          }
+        });
+      },
+
       jest_set_cookie(){
         uni.request({
           url: "https://request.dcloud.net.cn/api/http/header/setCookie",