Library for testing Solidity custom errors with Truffle/Ganache.
npm install custom-error-test-helperLibrary for testing Solidity custom errors with Truffle/Ganache.
``bash`
npm install --save-dev custom-error-test-helper
Import custom-error-test-helper in your test files to access the assertion.
`js
const { expectRevertCustomError } = require("custom-error-test-helper");
const MyContract = artifacts.require("MyContract");
contract("MyContract", function (accounts) {
beforeEach(async function () {
this.contract = await MyContract.new();
});
it("reverts with an error with no parameters", async function () {
// error SomeError0();
await expectRevertCustomError(MyContract, this.contract.someFunction0(), "SomeError0");
});
it("reverts with an error with parameters", async function () {
// error SomeError1(uint256 one, address vb);
await expectRevertCustomError(MyContract, this.contract.someFunction1(), "SomeError1", [
1,
"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
]);
});
});
``