Lesson 7 getting error

[dark-Kings]

error : " FundMe
constructor

  1) "before each" hook for "sets the aggregator addresses correctly"

0 passing (677ms)
1 failing"

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

!developmentChains.includes(network.name)
? describe.skip
: describe("FundMe", function () {
let fundMe
let mockV3Aggregator
let deployer
// const sendValue = ethers.utils.parseEther("1")
const sendValue = "1000000000000000000"
beforeEach(async () => {
// const accounts = await ethers.getSigners()
// deployer = accounts[0]
deployer = (await getNamedAccounts()).deployer
await deployments.fixture(["all"])
fundMe = await ethers.getContract("FundMe", deployer)
mockV3Aggregator = await ethers.getContract(
"MockV3Aggregator",
deployer
)
})

      describe("constructor", function () {
          it("sets the aggregator addresses correctly", async () => {
              const response = await fundMe.getPriceFeed()
              assert.equal(response, mockV3Aggregator.address)
          })
      })

      describe("fund", function () {
          // https://ethereum-waffle.readthedocs.io/en/latest/matchers.html
          // could also do assert.fail
          it("Fails if you don't send enough ETH", async () => {
              await expect(fundMe.fund()).to.be.revertedWith(
                  "You need to spend more ETH!"
              )
          })
          // we could be even more precise here by making sure exactly $50 works
          // but this is good enough for now
        //   it("Updates the amount funded data structure", async () => {
        //       await fundMe.fund({ value: sendValue })
        //       const response = await fundMe.getAddressToAmountFunded(
        //           deployer
        //       )
        //       assert.equal(response.toString(), sendValue.toString())
        //   })
        //   it("Adds funder to array of funders", async () => {
        //       await fundMe.fund({ value: sendValue })
        //       const response = await fundMe.getFunder(0)
        //       assert.equal(response, deployer)
        //   })
      })
      describe("withdraw", function () {
          beforeEach(async () => {
              await fundMe.fund({ value: sendValue })
          })
          it("withdraws ETH from a single funder", async () => {
              // Arrange
              const startingFundMeBalance =
                  await fundMe.provider.getBalance(fundMe.address)
              const startingDeployerBalance =
                  await fundMe.provider.getBalance(deployer)

              // Act
              const transactionResponse = await fundMe.withdraw()
              const transactionReceipt = await transactionResponse.wait()
              const { gasUsed, effectiveGasPrice } = transactionReceipt
              const gasCost = gasUsed.mul(effectiveGasPrice)

              const endingFundMeBalance = await fundMe.provider.getBalance(
                  fundMe.address
              )
              const endingDeployerBalance =
                  await fundMe.provider.getBalance(deployer)

              // Assert
              // Maybe clean up to understand the testing
              assert.equal(endingFundMeBalance, 0)
              assert.equal(
                  startingFundMeBalance
                      .add(startingDeployerBalance)
                      .toString(),
                  endingDeployerBalance.add(gasCost).toString()
              )
          })
          // this test is overloaded. Ideally we'd split it into multiple tests
          // but for simplicity we left it as one
          it("is allows us to withdraw with multiple funders", async () => {
              // Arrange
              const accounts = await ethers.getSigners()
              for (i = 1; i < 6; i++) {
                  const fundMeConnectedContract = await fundMe.connect(
                      accounts[i]
                  )
                  await fundMeConnectedContract.fund({ value: sendValue })
              }
              const startingFundMeBalance =
                  await fundMe.provider.getBalance(fundMe.address)
              const startingDeployerBalance =
                  await fundMe.provider.getBalance(deployer)

              // Act
              const transactionResponse = await fundMe.cheaperWithdraw()
              // Let's comapre gas costs :)
              // const transactionResponse = await fundMe.withdraw()
              const transactionReceipt = await transactionResponse.wait()
              const { gasUsed, effectiveGasPrice } = transactionReceipt
              const withdrawGasCost = gasUsed.mul(effectiveGasPrice)
              console.log(`GasCost: ${withdrawGasCost}`)
              console.log(`GasUsed: ${gasUsed}`)
              console.log(`GasPrice: ${effectiveGasPrice}`)
              const endingFundMeBalance = await fundMe.provider.getBalance(
                  fundMe.address
              )
              const endingDeployerBalance =
                  await fundMe.provider.getBalance(deployer)
              // Assert
              assert.equal(
                  startingFundMeBalance
                      .add(startingDeployerBalance)
                      .toString(),
                  endingDeployerBalance.add(withdrawGasCost).toString()
              )
              // Make a getter for storage variables
              await expect(fundMe.getFunder(0)).to.be.reverted

              for (i = 1; i < 6; i++) {
                  assert.equal(
                      await fundMe.getAddressToAmountFunded(
                          accounts[i].address
                      ),
                      0
                  )
              }
          })
          it("Only allows the owner to withdraw", async function () {
              const accounts = await ethers.getSigners()
              const fundMeConnectedContract = await fundMe.connect(
                  accounts[1]
              )
              await expect(
                  fundMeConnectedContract.withdraw()
              ).to.be.revertedWith("FundMe__NotOwner")
          })
      })
  })

'''

[Nlferu]

Hi @dark-Kings

Just downgrade your hardhat to v5 to match course repository version.

[ChpokmanKG]

This error ended up after downgrade

[Nlferu]

@ChpokmanKG

Did author said it? He did not and he is clearly using wrong syntax comparing to ethers versions as you do, so no idea why you react with confused emoji....

[eik-1]

Brother first post questions in proper format. Check the lecture where Patrick explains how do post questions in discussions