74 lines
2.4 KiB
TypeScript
74 lines
2.4 KiB
TypeScript
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import { SignerWithAddress } from "@nomiclabs/hardhat-ethers/signers";
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import { ethers } from "hardhat";
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import { expect } from "chai";
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import { Airdrop, MagnaToken } from "../typechain-types";
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describe("Airdrop", function () {
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let token: MagnaToken;
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let airdrop: Airdrop;
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let owner: SignerWithAddress;
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let addr1: SignerWithAddress;
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let addr2: SignerWithAddress;
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let addr3: SignerWithAddress;
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before(async function () {
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[owner, addr1, addr2, addr3] = await ethers.getSigners();
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const Token = await ethers.getContractFactory("MagnaToken");
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token = (await Token.deploy()) as MagnaToken;
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await token.deployed();
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const Airdrop = await ethers.getContractFactory("Airdrop");
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airdrop = (await Airdrop.deploy(token.address)) as Airdrop;
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await airdrop.deployed();
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});
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it("Token contract deployed", async function () {
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expect(token.address).to.properAddress;
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});
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it("Airdrop contract deployed", async function () {
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expect(airdrop.address).to.properAddress;
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});
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it("Airdrop contract has token address", async function () {
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expect(await airdrop.token()).to.equal(token.address);
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});
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it("Reverts if airdropTokens is called by nonowner", async function () {
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await expect(
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airdrop.connect(addr1).airdropTokens([addr1.address], [100])
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).to.be.revertedWith("Ownable: caller is not the owner");
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});
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it("Reverts if airdropTokens is called with different length arrays", async function () {
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await expect(
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airdrop.airdropTokens([addr1.address], [100, 200])
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).to.be.revertedWith("Airdrop: Recipients and amount length mismatch");
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});
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it("Reverts if airdropTokens is called with insufficient ERC20 allownace", async function () {
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await expect(
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airdrop.airdropTokens([addr1.address], [100])
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).to.be.revertedWith("ERC20: insufficient allowance");
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});
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it("Airdrop works", async function () {
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const balanceBefore = await token.balanceOf(owner.address);
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await token.approve(airdrop.address, 600);
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await airdrop.airdropTokens(
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[addr1.address, addr2.address, addr3.address],
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[100, 200, 300]
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);
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expect(await token.balanceOf(addr1.address)).to.equal(100);
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expect(await token.balanceOf(addr2.address)).to.equal(200);
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expect(await token.balanceOf(addr3.address)).to.equal(300);
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expect(await token.balanceOf(owner.address)).to.equal(
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balanceBefore.sub(600)
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);
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});
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});
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