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index-test.js
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index-test.js
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// @flow
import mongoose from "mongoose";
// import MongodbMemoryServer from "mongodb-memory-server";
import { autoIncrement } from "..";
// May require additional time for downloading MongoDB binaries
jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000;
mongoose.Promise = global.Promise;
let mongoServer;
let connection;
let connection1;
const dataBase1 = "test1";
// const opts = { useMongoClient: true };
beforeAll(async () => {
// mongoServer = new MongodbMemoryServer();
const mongoUrl = "mongodb://localhost:27017/test";
connection = await mongoose
.createConnection(mongoUrl, {
autoReconnect: true,
reconnectInterval: 100,
reconnectTries: Number.MAX_VALUE
})
// $FlowFixMe
.catch(() => {});
connection1 = connection.useDb(dataBase1);
});
afterAll(() => {
mongoose.disconnect();
// mongoServer.stop();
});
afterEach(async () => {
if (connection.models.User) {
await connection
.model("User")
.collection.drop()
.catch(() => {});
delete connection.models.User;
}
if (connection.models.IdentityCounter) {
await connection
.model("IdentityCounter")
.collection.drop()
.catch(() => {});
}
if (connection1.models.User) {
await connection1
.model("User")
.collection.drop()
.catch(() => {});
delete connection.models.User;
}
if (connection1.models.IdentityCounter) {
await connection1
.model("IdentityCounter")
.collection.drop()
.catch(() => {});
}
});
describe("mongoose-auto-increment", () => {
it("increment the _id field on validate", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
await user1.validate();
await user2.validate();
expect(user1._id).toBe(0);
expect(user2._id).toBe(1);
});
it("increment the _id field on save", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
await user1.save();
await user2.save();
expect(user1._id).toBe(0);
expect(user2._id).toBe(1);
});
it("increment the specified field instead", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, { model: "User", field: "userId" });
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
await user1.save();
await user2.save();
expect(user1.userId).toBe(0);
expect(user2.userId).toBe(1);
});
it("no duplicate key errors when creating docs in parallel", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, { model: "User", field: "userId" });
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
const user3 = new User({ name: "Parallel", dept: "Something" });
const users = [];
users.push(user1.save());
users.push(user2.save());
users.push(user3.save());
const results = await Promise.all(users);
expect(results.length).toBe(3);
});
it("start counting at specified number", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, { model: "User", startAt: 3 });
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
await user1.save();
await user2.save();
expect(user1._id).toBe(3);
expect(user2._id).toBe(4);
});
it("increment by the specified amount", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, { model: "User", incrementBy: 5 });
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
await user1.save();
await user2.save();
expect(() => {
UserSchema.plugin(autoIncrement);
}).toThrowError("model must be set");
expect(user1._id).toBe(0);
expect(user2._id).toBe(5);
});
describe("with incrementor groups", () => {
it("increment the specified field within the groupingField instead", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, {
model: "User",
field: "userId",
groupingField: "dept"
});
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
const user3 = new User({ name: "John", dept: "Support" });
const user4 = new User({ name: "John", dept: "Marketing" });
await user1.save();
await user2.save();
await user3.save();
await user4.save();
expect(user1.userId).toBe(0);
expect(user2.userId).toBe(0);
expect(user3.userId).toBe(1);
expect(user4.userId).toBe(1);
});
it("should not allow grouping fields with _id as the field", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
try {
UserSchema.plugin(autoIncrement, {
model: "User",
groupingField: "dept"
});
} catch (err) {
expect(err.message).toBe(
"Cannot use a grouping field with _id, choose a different field name."
);
}
});
});
describe("nextCount() helper function", () => {
it("nextCount should return the next count from document", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
const count1 = await user1.nextCount();
await user1.save();
const count2 = await user1.nextCount();
await user2.save();
const count3 = await user2.nextCount();
expect(count1).toBe(0);
expect(user1._id).toBe(0);
expect(count2).toBe(1);
expect(user2._id).toBe(1);
expect(count3).toBe(2);
});
it("nextCount should return the next count from model", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
const count1 = await User.nextCount();
await user1.save();
const count2 = await User.nextCount();
await user2.save();
const count3 = await User.nextCount();
expect(count1).toBe(0);
expect(user1._id).toBe(0);
expect(count2).toBe(1);
expect(user2._id).toBe(1);
expect(count3).toBe(2);
});
it("with incrementor groups return the next count", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, {
model: "User",
field: "userId",
groupingField: "dept"
});
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
const user2 = new User({ name: "Charlene", dept: "Marketing" });
const count1 = await user1.nextCount();
await user1.save();
const count2 = await user1.nextCount(user1.dept);
await user2.save();
const count3 = await user2.nextCount(user2.dept);
expect(count1).toBe(0);
expect(user1.userId).toBe(0);
expect(count2).toBe(1);
expect(user2.userId).toBe(0);
expect(count3).toBe(1);
});
});
describe("resetCount() helper function", () => {
it("should reset count via doc method", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user = new User({ name: "Charlie", dept: "Support" });
await user.save();
const nextCount1 = await user.nextCount();
const reset = await user.resetCount();
const nextCount2 = await user.nextCount();
expect(user._id).toBe(0);
expect(nextCount1).toBe(1);
expect(reset).toBe(0);
expect(nextCount2).toBe(0);
});
it("should reset count via Model method", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user = new User({ name: "Charlie", dept: "Support" });
await user.save();
const nextCount1 = await user.nextCount();
const reset = await User.resetCount();
const nextCount2 = await user.nextCount();
expect(user._id).toBe(0);
expect(nextCount1).toBe(1);
expect(reset).toBe(0);
expect(nextCount2).toBe(0);
});
});
it("with string field and output filter increment the counter value only once", async () => {
const UserSchema = new mongoose.Schema({
orderNumber: Number,
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, {
model: "User",
field: "orderNumber",
outputFilter: value => value * 100
});
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
await user1.validate();
const initialId = user1.orderNumber;
await user1.validate();
await user1.save();
expect(user1.orderNumber).toBe(initialId);
});
it("should fix old counter record without `groupingField`", async () => {
const _id = new mongoose.Types.ObjectId("100000000000000000000000");
const icCollectoion = connection.collection("identitycounters");
await icCollectoion.ensureIndex(
{
field: 1,
groupingField: 1,
model: 1
},
{
unique: true
}
);
await icCollectoion.insert({
_id,
model: "User",
field: "orderNumber",
count: 79
});
expect(await icCollectoion.find().toArray()).toEqual([
{ _id, count: 79, field: "orderNumber", model: "User" }
]);
const UserSchema = new mongoose.Schema({
orderNumber: Number,
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, {
model: "User",
field: "orderNumber"
});
const User = connection.model("User", UserSchema);
await User.ensureIndexes();
const user1 = new User({ name: "Charlie", dept: "Support" });
await user1.save();
expect(await icCollectoion.find().toArray()).toEqual([
{ _id, count: 80, field: "orderNumber", model: "User", groupingField: "" }
]);
});
fit("increment the counter in the right model and the right DB", async () => {
const UserSchema = new mongoose.Schema({
name: String,
dept: String
});
UserSchema.plugin(autoIncrement, "User");
const UserDB1 = connection.model("User", UserSchema);
const UserDB2 = connection1.model("User", UserSchema);
await UserDB1.ensureIndexes();
await UserDB2.ensureIndexes();
const DB1_user1 = new UserDB1({ name: "Charlie", dept: "Support" });
const DB1_user2 = new UserDB1({ name: "sam", dept: "Support" });
const DB2_user1 = new UserDB2({ name: "John", dept: "Marketing" });
const DB2_user2 = new UserDB2({ name: "Mat", dept: "Marketing" });
await DB1_user1.save();
await DB1_user2.save();
await DB2_user1.save();
await DB2_user2.save();
expect(DB1_user1.db.db.databaseName).toBe("test");
expect(DB2_user1.db.db.databaseName).toBe(dataBase1);
expect(DB1_user1._id).toBe(0);
expect(DB1_user2._id).toBe(1);
expect(DB2_user1._id).toBe(0);
});
});