const Redis = require("ioredis-mock")
import { default as RedisIntegration } from "../redis"

class TestConfiguration {
  integration: any
  redis: any

  constructor(config: any = {}) {
    this.integration = new RedisIntegration.integration(config)
    this.redis = new Redis({
      data: {
        test: "test",
        result: "1",
      },
    })
    this.integration.client = this.redis
  }
}

describe("Redis Integration", () => {
  let config: any

  beforeEach(() => {
    config = new TestConfiguration()
  })

  it("calls the create method with the correct params", async () => {
    const body = {
      key: "key",
      value: "value",
    }
    await config.integration.create(body)
    expect(await config.redis.get("key")).toEqual("value")
  })

  it("calls the read method with the correct params", async () => {
    const body = {
      key: "test",
    }
    const response = await config.integration.read(body)
    expect(response).toEqual("test")
  })

  it("calls the delete method with the correct params", async () => {
    const body = {
      key: "test",
    }
    await config.integration.delete(body)
    expect(await config.redis.get(body.key)).toEqual(null)
  })

  it("calls the pipeline method with the correct params", async () => {
    const body = {
      json: "KEYS *",
    }

    // ioredis-mock doesn't support pipelines
    config.integration.client.pipeline = jest.fn(() => ({
      exec: jest.fn(() => [[]]),
    }))

    await config.integration.command(body)
    expect(config.integration.client.pipeline).toHaveBeenCalledWith([
      ["keys", "*"],
    ])
  })

  it("calls the pipeline method with several separated commands when there are newlines", async () => {
    const body = {
      json: 'SET foo "bar"\nGET foo',
    }

    // ioredis-mock doesn't support pipelines
    config.integration.client.pipeline = jest.fn(() => ({
      exec: jest.fn(() => [[]]),
    }))

    await config.integration.command(body)
    expect(config.integration.client.pipeline).toHaveBeenCalledWith([
      ["set", "foo", '"bar"'],
      ["get", "foo"],
    ])
  })
})