Chapter 7 - Hardhat Fund Me : Error - No Contract deployed with name FundMe

[Saivite]

I am getting the error while compiling: I tried all the solutions given in the discussions but none worked. Please help me what to do.

yarn run v1.22.19
warning package.json: No license field
$ /Users/shivam/Documents/Blockchain/hardhat-fund-me/node_modules/.bin/hardhat test

  FundMe
    constructor

      1) "before each" hook for "it sets the aggregator addresses directly"


  0 passing (660ms)
  1 failing

  1) FundMe
       "before each" hook for "it sets the aggregator addresses directly":
     Error: No Contract deployed with name FundMe
      at Object.getContract (node_modules/@nomiclabs/hardhat-ethers/src/internal/helpers.ts:447:11)
      at processTicksAndRejections (node:internal/process/task_queues:96:5)
      at runNextTicks (node:internal/process/task_queues:65:3)
      at listOnTimeout (node:internal/timers:528:9)
      at processTimers (node:internal/timers:502:7)
      at Context.<anonymous> (test/unit/FundMe.test.js:27:18)



error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

00-deploy-mock.js file:

const { network } = require('hardhat')
const {
    developmentChain,
    DECIMALS,
    INITIAL_ANSWER,
} = require('../helper-hardhat-config')

//async nameless function using arrrow notation
module.exports = async ({ getNamedAccounts, deployments }) => {
    //deployments object to get 2 functions: deploy and log
    const { deploy, log } = deployments
    //getNamedAccounts is a way to get named accounts
    const { deployer } = await getNamedAccounts()
    const chainId = network.config.chainId

    // our helper-hardhat-config is using name
    if (developmentChain.includes(network.name)) {
        log('local network detected!!')
        await deploy('MockV3Aggregator', {
            contract: 'MockV3Aggregator',
            from: deployer,
            log: true,
            args: [DECIMALS, INITIAL_ANSWER],
        })
        log('Mocks Deployed')
        log('-----------------------')
    }
}

module.exports.tags = ['all', 'mocks']

01-deploy-fund-me.js file

//import

const { network } = require('hardhat')
require('@nomiclabs/hardhat-etherscan')

require('dotenv').config()

const { networkConfig, developmentChain } = require('../helper-hardhat-config')

const { verify } = require('../utils/verify')

//async nameless function using arrrow notation
module.exports = async ({ getNamedAccounts, deployments }) => {
    //deployments object to get 2 functions: deploy and log
    const { deploy, log } = deployments
    //getNamedAccounts is a way to get named accounts
    const { deployer } = await getNamedAccounts()
    const chainId = network.config.chainId

    //If chaidId is X use address Y
    //If chainId is Z use address A

    // const ethUsdPriceFeeAddress = networkConfig[chainId]['ethUsdPriceFeed']
    let ethUsdPriceFeeAddress
    if (developmentChains.includes(network.name)) {
        //get the most recent deploymet using 'get'. It takes name of contract that we deployed
        const ethUsdAggregator = await deployments.get('MockV3Aggregator')
        ethUsdPriceFeeAddress = ethUsdAggregator.address
    } else {
        //if we didnt deploy the mock
        ethUsdPriceFeeAddress = networkConfig[chainId]['ethUsdPriceFeed']
    }

    //when we want to work in localhost or hardhat env, we use mock
    //with hardhat-deploy, we can use deploy function
    //name of contract to deply and list of overrides that we want to add
    const args = [ethUsdPriceFeeAddress]
    const fundMe = await deploy('FundMe', {
        from: deployer,
        //we can pass arguments to the destructor
        args: args, //put price feed address
        log: true,
        waitConfirmations: network.config.blockConfirmations || 1,
    })

    //if network is not a development network
    if (
        !developmentChain.includes(network.name) &&
        process.env.ETHERSCAN_API_KEY
    ) {
        await verify(fundMe.address, args)
    }
    log('--------------------------------------------')
}

module.exports.tag = ['all', 'fundMe']

FundMe.test.js file

//first by pulling deployment object from hardhat, we can deploy
const { deployments, ethers, getNamedAccounts } = require('hardhat')
const { assert } = require('chai')
describe('FundMe', function () {
    //deploy before testing FundMe contract
    let fundMe //as we have mocks as well to deploy
    let deployer
    let mockV3Aggregator
    beforeEach(async function () {
        //deploy our fundme using hardhat deploy

        //another way to get different accounts directly from hardhat-config
        //it returns whatever is present in account section  of hardhat.config.js
        //if on default account hardhat, it gives 10 fake account to work with

        // const accounts = await ethers.getSigners()
        // const accountZero = accounts[0]

        //we can tell ether which account to connect to fundme
        deployer = (await getNamedAccounts()).deployer
        //fixture allows us to run deploy folder with as many tags as we want
        //it help us to deploy both the files

        await deployments.fixture(['all'])
        //getContract gets the most recent deployment that we tell
        //and connect fundme with deployer account
        fundMe = await ethers.getContract('FundMe', deployer)
        //make sure priceFeed is same as MockV3Aggregator as we're running the test locally
        mockV3Aggregator = await ethers.getContract(
            'MockV3Aggregator',
            deployer
        )
    })

    //test for constructor
    describe('constructor', async function () {
        it('it sets the aggregator addresses directly', async function () {
            //priceFeed is present in FundMe.sol contract
            const response = await fundMe.getPriceFeed()
            assert.equal(response, mockV3Aggregator.address)
        })
    })
})

[alymurtazamemon]

@Saivite It is tags

-module.exports.tag = ['all', 'fundMe']
+module.exports.tags = ['all', 'fundMe']

[Saivite]

thanks sir..it works