thenavisapp/test/NArbitrage.test.js

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// SPDX-License-Identifier: MIT
const { expect } = require("chai");

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

contract("NArbitrage", (accounts) => {
  let nArbitrageInstance;
  const owner = accounts[0];

  before(async () => {
    nArbitrageInstance = await NArbitrage.deployed();
  });

  it("should deploy NArbitrage contract", async () => {
    expect(nArbitrageInstance.address).to.exist;
  });

  it("should allow users to submit arbitrage opportunities", async () => {
    const arbitrageOpportunity = "Opportunity details...";
    await nArbitrageInstance.submitArbitrageOpportunity(arbitrageOpportunity, { from: accounts[1] });
    const submittedOpportunity = await nArbitrageInstance.getArbitrageOpportunity(accounts[1]);

    expect(submittedOpportunity).to.equal(arbitrageOpportunity);
  });

  it("should not allow unauthorized users to submit arbitrage opportunities", async () => {
    const arbitrageOpportunity = "Opportunity details...";
    
    // Try to submit from an unauthorized account
    try {
      await nArbitrageInstance.submitArbitrageOpportunity(arbitrageOpportunity, { from: accounts[2] });
      // If the above line doesn't throw an error, fail the test
      expect.fail("Should have thrown an error");
    } catch (error) {
      expect(error.message).to.include("revert");
    }
  });

  // Add more tests based on your contract's functionality
});