Crypto-Ownable-Test-V1.js

const { assert } = require("chai");

const Ownable = artifacts.require("Ownable");

// Start a test series named Ownable, it will use 10 test accounts 
contract("Ownable", async accounts => {

    it("transfer ownership", async () => {
        ownable = await Ownable.deployed();

        let owner = await ownable.owner();

        // Make sure account 0 is owner
        assert.equal(owner, accounts[0], "The owner was not properly assigned");
        // Transfer it to acconts 1 
        await ownable.transferOwnership(accounts[1]);

        // Verify that accounts 1 is now the new owner
        let new_owner = await ownable.owner();

        assert.equal(new_owner, accounts[1], "The ownership was not transferred correctly");
    });

    it("onlyOwner modifier", async () => {
        ownable = await Ownable.deployed();
        
        // Try executing a Transfer from accounts 2 
        try {
            await ownable.transferOwnership(accounts[2], { from: accounts[2]});
        }catch(error){
            assert.equal(error.reason, "Ownable: only owner can call this function", "Failed to stop non-owner from calling onlyOwner protected function");
        }
        

    });

    it("renounce ownership", async () => {
        ownable = await Ownable.deployed();

        // renounce from accounts 1 as it is the new owner
        await ownable.renounceOwnership({ from: accounts[1]});
        
        let owner = await ownable.owner();

        assert.equal(owner, '0x0000000000000000000000000000000000000000', 'Renouncing owner was not correctly done')
        
    })



});