如何使用 sinnon 从 bookshelf js 模拟回调函数
How to mock a callback function from bookshelf js using sinnon
我想用 sinon 模拟这段使用 bookshelf js(带 knex)的代码。
const campaigns = await models.Campaign.forge()
.query((qb) => {
qb.where("account_id", accountId);
qb.andWhere("status", models.Campaign.STATUS.ACTIVE);
qb.andWhere(
"audience_create_trigger",
models.Campaign.AUDIENCE_CREATE_TRIGGER.ON_ENTER
);
})
.fetchAll();
我如何模拟 .query 函数中的内部查询。
我有点迷茫
非常感谢!
终于用Sinon解决了这个问题。这段代码几乎涵盖了所有行为
const assert = require("chai").assert
const sinon = require("sinon")
const models = require("../../../../models")
const query = {
query(func) {}
}
const qb = {
where(arg1, arg2) {},
andWhere(arg1, arg2) {}
}
const fetchAll = { async fetchAll() {} }
const forgeStub = sinon.stub(models.Campaign, "forge").returns(query)
const qbWhereStub = sinon
.stub(qb, "where")
.withArgs("account_id", accountId)
.returns(null)
const qbAndWhereStub = sinon.stub(qb, "andWhere").returns(null)
const queryStub = sandbox
.stub(query, "query")
.callsArgWith(0, qb)
.returns(fetchAll)
const fetchAllStub = sandbox.stub(fetchAll, "fetchAll").returns(campaigs)
//Calling the method
//Verify
assert.equal(qbWhereStub.callCount, 1)
assert.equal(qbAndWhereStub.callCount, 2)
assert.equal(forgeStub.callCount, 1)
assert.equal(queryStub.callCount, 1)
assert.equal(fetchAllStub.callCount, 1)
assert.isTrue(qbWhereStub.getCall(0).calledWithExactly("account_id", accountId))
assert.isTrue(qbAndWhereStub.getCall(0).calledWithExactly("status", models.Campaign.STATUS.ACTIVE))
assert.isTrue(
qbAndWhereStub
.getCall(1)
.calledWithExactly("audience_create_trigger", models.Campaign.AUDIENCE_CREATE_TRIGGER.ON_ENTER)
)
尝试使用 knex-mock-client
设置一个测试友好的 knex 实例。
测试看起来会简单得多。
import knex from "knex";
import { MockClient, getTracker } from "knex-mock-client";
describe("test", () => {
let db;
let tracker;
beforeAll(() => {
db = knex({ client: MockClient });
tracker = getTracker();
});
afterEach(() => tracker.reset());
it("should do something", () => {
tracker.on
.select(
(query) =>
query.sql.includes("table_name") && query.bindings.includes(accountId)
)
.responseOnce([]);
// execute query using db;
expect(tracker.history.select).toHaveLength(1);
});
});
我想用 sinon 模拟这段使用 bookshelf js(带 knex)的代码。
const campaigns = await models.Campaign.forge()
.query((qb) => {
qb.where("account_id", accountId);
qb.andWhere("status", models.Campaign.STATUS.ACTIVE);
qb.andWhere(
"audience_create_trigger",
models.Campaign.AUDIENCE_CREATE_TRIGGER.ON_ENTER
);
})
.fetchAll();
我如何模拟 .query 函数中的内部查询。 我有点迷茫
非常感谢!
终于用Sinon解决了这个问题。这段代码几乎涵盖了所有行为
const assert = require("chai").assert
const sinon = require("sinon")
const models = require("../../../../models")
const query = {
query(func) {}
}
const qb = {
where(arg1, arg2) {},
andWhere(arg1, arg2) {}
}
const fetchAll = { async fetchAll() {} }
const forgeStub = sinon.stub(models.Campaign, "forge").returns(query)
const qbWhereStub = sinon
.stub(qb, "where")
.withArgs("account_id", accountId)
.returns(null)
const qbAndWhereStub = sinon.stub(qb, "andWhere").returns(null)
const queryStub = sandbox
.stub(query, "query")
.callsArgWith(0, qb)
.returns(fetchAll)
const fetchAllStub = sandbox.stub(fetchAll, "fetchAll").returns(campaigs)
//Calling the method
//Verify
assert.equal(qbWhereStub.callCount, 1)
assert.equal(qbAndWhereStub.callCount, 2)
assert.equal(forgeStub.callCount, 1)
assert.equal(queryStub.callCount, 1)
assert.equal(fetchAllStub.callCount, 1)
assert.isTrue(qbWhereStub.getCall(0).calledWithExactly("account_id", accountId))
assert.isTrue(qbAndWhereStub.getCall(0).calledWithExactly("status", models.Campaign.STATUS.ACTIVE))
assert.isTrue(
qbAndWhereStub
.getCall(1)
.calledWithExactly("audience_create_trigger", models.Campaign.AUDIENCE_CREATE_TRIGGER.ON_ENTER)
)
尝试使用 knex-mock-client
设置一个测试友好的 knex 实例。
测试看起来会简单得多。
import knex from "knex";
import { MockClient, getTracker } from "knex-mock-client";
describe("test", () => {
let db;
let tracker;
beforeAll(() => {
db = knex({ client: MockClient });
tracker = getTracker();
});
afterEach(() => tracker.reset());
it("should do something", () => {
tracker.on
.select(
(query) =>
query.sql.includes("table_name") && query.bindings.includes(accountId)
)
.responseOnce([]);
// execute query using db;
expect(tracker.history.select).toHaveLength(1);
});
});