lesson 7 : Error: No deployment found for: MockV3Aggregator

[tiwariji99]

i am at 11:17:00 and after typing yarn hardhat test i am getting this error :

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


  0 passing (974ms)
  1 failing

  1) Fundme
       "before each" hook for "sets the aggregator address correctly":
     ERROR processing C:\Users\HP\hardhat-fundme-fcc\deploy\01-deploy-fund-me.js:
Error: No deployment found for: MockV3Aggregator
    at Object.get (C:\Users\HP\hardhat-fundme-fcc\node_modules\hardhat-deploy\src\DeploymentsManager.ts:162:17)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
    at Object.module.exports [as func] (C:\Users\HP\hardhat-fundme-fcc\deploy\01-deploy-fund-me.js:20:33)
    at DeploymentsManager.executeDeployScripts (C:\Users\HP\hardhat-fundme-fcc\node_modules\hardhat-deploy\src\DeploymentsManager.ts:1219:22)
    at DeploymentsManager.runDeploy (C:\Users\HP\hardhat-fundme-fcc\node_modules\hardhat-deploy\src\DeploymentsManager.ts:1052:5)
    at Object.fixture (C:\Users\HP\hardhat-fundme-fcc\node_modules\hardhat-deploy\src\DeploymentsManager.ts:315:9)
    at Context.<anonymous> (C:\Users\HP\hardhat-fundme-fcc\test\unit\Fundme.test.js:12:9)     
  Error: ERROR processing C:\Users\HP\hardhat-fundme-fcc\deploy\01-deploy-fund-me.js:
  Error: No deployment found for: MockV3Aggregator
      at Object.get (node_modules\hardhat-deploy\src\DeploymentsManager.ts:162:17)
      at processTicksAndRejections (node:internal/process/task_queues:95:5)
      at Object.module.exports [as func] (deploy\01-deploy-fund-me.js:20:33)
      at DeploymentsManager.executeDeployScripts (node_modules\hardhat-deploy\src\DeploymentsManager.ts:1219:22)
      at DeploymentsManager.runDeploy (node_modules\hardhat-deploy\src\DeploymentsManager.ts:1052:5)
      at Object.fixture (node_modules\hardhat-deploy\src\DeploymentsManager.ts:315:9)
      at Context.<anonymous> (test\unit\Fundme.test.js:12:9)
      at DeploymentsManager.executeDeployScripts (node_modules\hardhat-deploy\src\DeploymentsManager.ts:1222:19)
      at processTicksAndRejections (node:internal/process/task_queues:95:5)
      at DeploymentsManager.runDeploy (node_modules\hardhat-deploy\src\DeploymentsManager.ts:1052:5)
      at Object.fixture (node_modules\hardhat-deploy\src\DeploymentsManager.ts:315:9)
      at Context.<anonymous> (test\unit\Fundme.test.js:12:9)



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

i am attaching the codes
01-deploy-fund-me.js

//import
const{networkConfig,developmentChains}=require("../helper-hardhat-config");
const {network}=require("hardhat");
 const{verify}=require("../utils/verify");
// const {verify}=require("@nomiclabs/hardhat-etherscan");
 require("dotenv").config();
 const {deployments}=require('hardhat-deploy');
 module.exports=async({getNamedAccounts,deployments})=>{
    //hre.getNamedAccounts
    //hre.deployments
    const{deploy,log}=deployments
    const{deployer}=await getNamedAccounts()
    const chainId =network.config.chainId

    //if chainid is x use address y
    //if chainid is z use address a
    // const ethUsdPriceFeedAddress=networkConfig[chainId]["ethUsdPriceFeed"];
    let ethUsdPriceFeedAddress
    if(developmentChains.includes(network.name)){
        const ethUsdAggregator= await deployments.get("MockV3Aggregator")
        ethUsdPriceFeedAddress=ethUsdAggregator.address
    }
    else{
        ethUsdPriceFeedAddress= networkConfig[chainId]["ethUsdPriceFeed"]
    }
    // if contract doesnt exist, we deploy a minimal version for our local testing

    //when going for localhost or hardhat network we want to use a mock
    const args=[ethUsdPriceFeedAddress]
    const fundme= await deploy("Fundme",{
        from: deployer,
        args:args,
        log:true,
        waitConfirmations: network.config.blockConfirmations|| 1,
    })


   if(!developmentChains.includes(network.name)&&process.env.ETHERSCAN_API_KEY)
{
    //VERIFY
    await verify(fundme.address,args)
}


    log("------------------------------------------")
}
module.exports.tags=["all","fundme"]

Fundme.test.js

const {deployments,ethers,getNamedAccounts}=require("hardhat")
const {assert}=require("chai")
describe("Fundme",async function (){
    let fundme
    let deployer
    let mockV3Aggregator
    beforeEach(async function (){
        //deploy our fundme contract using hardhat-deploy
        // const accounts=await ethers.getSigners()
        // const accountzero=accounts[0]
        deployer=(await getNamedAccounts()).deployer
        await deployments.fixture(["all"])
        fundme=await ethers.getContract("Fundme",deployer)
        mockV3Aggregator=await ethers.getContract("MockV3Aggregator",deployer)
    })

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

00-deploy-fund-me.js

const {network}=require("hardhat");
const {developmentChains,DECIMALS,INITIAL_ANSWER}=require("../helper-hardhat-config")
module.exports= async({getNamedAccounts,deployments})=>{
    const{deploy,log}=deployments
    const{deployer}=await getNamedAccounts()
    const chainId =network.config.chainId

if(developmentChains.includes(chainId)){
    log("local network detected! Deploying mocks...")
    await deploy("MockV3Aggregator",{
        contract: "MockV3Aggregator",
        from: deployer,
        log:true,
        args:[DECIMALS,INITIAL_ANSWER],
    })
    log("Mocks deployed!")
    log("--------------------------------")
}

};

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

[paulcoffee85]

@tiwariji99
deploy-fundme: Should be deploy(FundMe)"
const fundme= await deploy("Fundme",{