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excel-download/blog/dapp/test/test_helloworld.js
2021-10-28 15:39:03 +09:00

28 lines
842 B
JavaScript

const helloWorld = artifacts.require("HelloWorld");
contract("HelloWorld", function(accounts){
// HelloWorld 컨트랙트에 접근
before(async () =>{
this.instance = await helloWorld.deployed();
});
// say() 테스트
it("should be initialized with correct value", async () => {
const greeting = await this.instance.greeting();
assert.equal(greeting, "Hello World!!", "Wrong initialized value!");
});
// setGreeting() 테스트
it("should change the greeting", async () => {
const val = "Hello, Ethereum!";
// 상태를 바꾸는 함수는 계정이 필요하다
await this.instance.setGreeting(val, {from: accounts[0]});
const greeting = await this.instance.say();
assert.equal(greeting, val, "dose not change the value!");
});
});