[英]Jest toMatchObject with MongoDB confusing
我對我的 mongoose model 進行了測試,雖然一個模型的測試運行完全正常,但另一個基本上是副本的測試不起作用。 老實說,我不明白這個問題。 我試圖刪除一些屬性或添加硬編碼值以真正匹配 100%——但不知何故我總是得到類似的錯誤。
錯誤。 讓我發瘋的是我試圖刪除/添加“_id”和“createdOn”字段,但至少“_id”總是出現在錯誤中。 正如上面在另一個 model 中所說,測試不會抱怨“_id”,因為我沒有在那里驗證它......我只是不明白。
insert › Should save a channel
expect(received).toMatchObject(expected)
- Expected - 1
+ Received + 2
@@ -1,8 +1,9 @@
Object {
+ "_id": "5e962f1dc133d8b92891ddaf",
"createdBy": "5e962f1dc133d8b92891ddae",
- "createdOn": Anything,
+ "createdOn": 2020-04-14T21:46:05.907Z,
"hasAcceptedLegal": false,
"isActive": true,
"isPublic": false,
"members": Array [
"5e962f1dc133d8b92891ddae",
48 | expect(spy).toHaveBeenCalled();
49 |
> 50 | expect(channel).toMatchObject({
| ^
51 | name: mockName,
52 | createdBy: mockCreatedById,
53 | createdOn: expect.anything(),
at Object.it (test/model/channel.model.test.ts:50:21)
各自model
import mongoose, { Schema, Document } from "mongoose";
import { IUser } from "./user.model";
export interface IChannel extends Document {
name: string;
createdBy: IUser["id"];
createdOn: Date;
isActive: boolean;
isPublic: boolean;
hasAcceptedLegal: boolean;
members: [IUser["id"]];
}
const ChannelSchema: Schema = new Schema({
name: { type: String, required: true },
createdBy: {
type: Schema.Types.ObjectId,
ref: "User",
required: true,
},
createdOn: { type: Date },
isActive: { type: Boolean, default: true },
isPublic: { type: Boolean, default: false },
hasAcceptedLegal: { type: Boolean, default: false },
members: [
{
type: Schema.Types.ObjectId,
ref: "User",
required: true,
},
],
});
export default mongoose.model<IChannel>("Channel", ChannelSchema);
考試:
it("Should save a channel", async () => {
expect.assertions(2);
let mockName = Faker.company.companyName();
let mockCreatedById = Types.ObjectId();
let mockCreatedOn = Date.now();
const channel: IChannel = new Channel({
name: mockName,
createdBy: mockCreatedById,
createdOn: mockCreatedOn,
members: [mockCreatedById],
});
const spy = jest.spyOn(channel, "save");
channel.save();
expect(spy).toHaveBeenCalled();
expect(channel).toMatchObject({
name: mockName,
createdBy: mockCreatedById,
createdOn: expect.anything(),
isActive: true,
isPublic: false,
hasAcceptedLegal: false,
members: [mockCreatedById],
});
});
僅供參考,我找到了某事。 返回的 mongoose object 應該用“.toJSON()”轉換,然后它就可以工作,但即便如此,“createdOn”字段也有問題,因為它似乎是格式化的日期或某物。 像這樣(沒有字符串,缺少括號)。 我現在最終做的是以下內容,現在它可以工作了:
it("Should save a channel (required+defaults)", async () => {
expect.assertions(2);
let mockName = Faker.company.companyName();
let mockCreatedById = Types.ObjectId();
let mockCreatedOn = new Date();
const channel: IChannel = new Channel({
name: mockName,
createdBy: mockCreatedById,
createdOn: mockCreatedOn,
members: [mockCreatedById],
});
const spy = jest.spyOn(channel, "save");
channel.save();
expect(spy).toHaveBeenCalled();
expect(channel.toJSON()).toMatchObject({
_id: expect.anything(),
name: mockName,
createdBy: mockCreatedById,
createdOn: expect.anything(),
isActive: true,
isPublic: false,
hasAcceptedLegal: false,
members: expect.arrayContaining([mockCreatedById]),
});
});
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