pets-fe/pages/pet-edit/pet-edit.js

@@ -41,9 +41,18 @@ Page({
     this.setData({ gender: e.detail.value });
   },
   async choose() {
+    let selection;
     try {
-      const r = await wx.chooseMedia({ count: 1, mediaType: ["image"] });
-      const file = await upload(r.tempFiles[0].tempFilePath);
+      selection = await wx.chooseMedia({ count: 1, mediaType: ["image"] });
+    } catch (e) {
+      if (/^chooseMedia:fail cancel\b/i.test((e && e.errMsg) || "")) return;
+      toast(e);
+      return;
+    }
+    const photo = selection && selection.tempFiles && selection.tempFiles[0];
+    if (!photo || !photo.tempFilePath) return;
+    try {
+      const file = await upload(photo.tempFilePath);
       this.setData({ avatar_file_id: file.id, avatar_url: file.url });
     } catch (e) {
       toast(e);

tests/pet-avatar.test.cjs

@@ -0,0 +1,76 @@
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const vm = require("node:vm");
+const path = require("node:path");
+
+function screen(chooseMedia, upload) {
+  let definition;
+  const errors = [];
+  vm.runInNewContext(
+    fs.readFileSync(path.join(__dirname, "../pets-fe/pages/pet-edit/pet-edit.js"), "utf8"),
+    {
+      Page: (value) => { definition = value; },
+      wx: { chooseMedia },
+      require: () => ({ upload, toast: (error) => errors.push(error) }),
+    },
+  );
+  return {
+    ...definition,
+    data: { ...definition.data, avatar_file_id: "original-id", avatar_url: "original-photo" },
+    errors,
+    setData(changes) { Object.assign(this.data, changes); },
+  };
+}
+
+test("取消选择宠物照片不上传、不提示错误，保留原头像", async () => {
+  let uploads = 0;
+  const page = screen(
+    async () => { throw { errMsg: "chooseMedia:fail cancel" }; },
+    async () => { uploads++; },
+  );
+  await page.choose();
+  assert.equal(uploads, 0);
+  assert.equal(page.errors.length, 0);
+  assert.equal(page.data.avatar_file_id, "original-id");
+  assert.equal(page.data.avatar_url, "original-photo");
+});
+
+test("空的照片选择结果不上传", async () => {
+  const page = screen(async () => ({ tempFiles: [] }), async () => assert.fail("不应上传"));
+  await page.choose();
+  assert.equal(page.errors.length, 0);
+  assert.equal(page.data.avatar_file_id, "original-id");
+});
+
+test("实际选择失败仍提示错误", async () => {
+  const error = { errMsg: "chooseMedia:fail permission denied" };
+  const page = screen(async () => { throw error; }, async () => assert.fail("不应上传"));
+  await page.choose();
+  assert.equal(page.errors[0], error);
+});
+
+test("实际上传失败仍提示错误并保留原头像", async () => {
+  const error = new Error("上传失败");
+  const page = screen(
+    async () => ({ tempFiles: [{ tempFilePath: "/tmp/photo.jpg" }] }),
+    async () => { throw error; },
+  );
+  await page.choose();
+  assert.equal(page.errors[0], error);
+  assert.equal(page.data.avatar_file_id, "original-id");
+});
+
+test("上传成功后更新宠物头像", async () => {
+  const page = screen(
+    async () => ({ tempFiles: [{ tempFilePath: "/tmp/photo.jpg" }] }),
+    async (filePath) => {
+      assert.equal(filePath, "/tmp/photo.jpg");
+      return { id: "new-id", url: "new-photo" };
+    },
+  );
+  await page.choose();
+  assert.equal(page.errors.length, 0);
+  assert.equal(page.data.avatar_file_id, "new-id");
+  assert.equal(page.data.avatar_url, "new-photo");
+});