thenavisapp/test/NAVISOracle.test.js

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

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

contract("NAVISOracle", (accounts) => {
  let navisOracleInstance;

  before(async () => {
    navisOracleInstance = await NAVISOracle.deployed();
  });

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

  it("should request and receive a valid delivery time estimate", async () => {
    const newRoute = "Sample route details";

    // Request delivery time estimate
    await navisOracleInstance.requestDeliveryTimeEstimate(newRoute);
    
    // You may need to wait for the oracle to respond and check the estimated time
    const estimatedTime = await navisOracleInstance.getEstimatedDeliveryTime();
    
    // Add assertions based on the expected behavior of your oracle
    expect(estimatedTime).to.be.a("number");
    expect(estimatedTime).to.be.above(0);
  });

  it("should revert if requesting a delivery time estimate with invalid route", async () => {
    const invalidRoute = ""; // Set an invalid route
    
    // Try to request delivery time estimate with an invalid route
    try {
      await navisOracleInstance.requestDeliveryTimeEstimate(invalidRoute);
      // 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
});