Lesson 9: invalid signer or provider

[naman1402]

hello everyone,
I was running test cases

const { assert, expect } = require("chai")
const { developmentChains, networkConfig } = require("../../helper-hardhat-config")
const { getNamedAccounts, deployments, ethers, network } = require("hardhat")

!developmentChains.includes(network.name)
    ? describe.skip
    : describe("Lottery", async function () {
          let lottery, vrf_coordinatorV2_mock
          network.config.chainId

          // setting up our test variables
          beforeEach(async function () {
              const deployer = getNamedAccounts()
              await deployments.fixture("all")
              lottery = await ethers.getContract("Lottery", deployer)
              vrf_coordinatorV2_mock = await ethers.getContract("VRFCoordinatorV2Mock", deployer)
          })

          describe("constructor", async function () {
              it(" -> initializes the lottery correctly", async function () {
                  const lottery_state = await lottery.getLotteryState()
                  const interval = await lottery.getInterval()
                  assert.equal(lottery_state.toString(), "0")
                  // 0 = OPEN
                  assert.equal(
                      interval.toString(),
                      networkConfig[network.config.chainId]["interval"]
                  )
              })
          })

          describe("enterLottery", async function () {
              it("reverts when you don't pay enough", async function () {
                  await expect(
                      lottery.EnterLottery().to.be.revertedWith("Lottery_NotEnoughETHEntered")
                  )
              })
          })
      })

and in the output I get

0 passing (789ms)
  1 failing

  1) Lottery
       "before each" hook for "reverts when you don't pay enough":       
     Error: invalid signer or provider (argument="signerOrProvider", value={}, code=INVALID_ARGUMENT, version=contracts/5.7.0)

[parishill25]

try const deployer = await getNamedAccounts()
and don't forget to add :
namedAccounts: {
deployer: {
default: 0,
},
user:{
default:1,
}
to your config file

[alymurtazamemon]

@NamanMohnani here is the issue; const deployer = getNamedAccounts(), it should be like this;

const deployer = (await getNamedAccounts()).deployer;

and as @parishill25 said add this in hardhat.config.js file;

namedAccounts: {
    deployer: {
        default: 0,
    },
    user:{
        default:1,
    }
}

[naman1402]

@alymurtazamemon thank you for your help