add

script/DeployDSC.s.sol

@@ -5,15 +5,23 @@ import {Script} from "forge-std/Script.sol";
 import {DecentralizedStableCoin} from "../src/DecentralizedStableCoin.sol";
 import {DSCEngine} from "../src/DSCEngine.sol";
 import {HelperConfig} from "./HelperConfig.s.sol";
+import {console} from "forge-std/console.sol";
 
 contract DeployDSC is Script {
-    function run() external returns (DecentralizedStableCoin, DSCEngine) {
+    address[] public tokenAddresses;
+    address[] public priceFeedAddresses;
+
+    function run() external returns (DecentralizedStableCoin, DSCEngine, HelperConfig) {
         HelperConfig config = new HelperConfig();
         (address wethUsdPriceFeed, address wbtcUsdPriceFeed, address weth, address wbtc, uint256 deployerKey) =
             config.activeNetworkConfig();
-        vm.startBroadcast();
+        tokenAddresses = [weth, wbtc];
+        priceFeedAddresses = [wethUsdPriceFeed, wbtcUsdPriceFeed];
+        vm.startBroadcast(deployerKey);
         DecentralizedStableCoin dsc = new DecentralizedStableCoin();
-        //DSCEngine engine = new DSCEngine();
-        vm.startBroadcast();
+        DSCEngine engine = new DSCEngine(tokenAddresses, priceFeedAddresses, address(dsc));
+        vm.stopBroadcast();
+        console.log("Broadcast stopped.");
+        return (dsc, engine, config);
     }
 }

test/unit/DSCEngineTest.t.sol

@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: SEE LICENSE IN LICENSE
+pragma solidity ^0.8.18;
+
+import {Test} from "forge-std/Test.sol";
+import {console} from "forge-std/console.sol";
+import {DeployDSC} from "../../script/DeployDSC.s.sol";
+import {DecentralizedStableCoin} from "../../src/DecentralizedStableCoin.sol";
+import {DSCEngine} from "../../src/DSCEngine.sol";
+import {HelperConfig} from "../../script/HelperConfig.s.sol";
+
+contract DSCEngineTest is Test {
+    DeployDSC deployer;
+    DecentralizedStableCoin dsc;
+    DSCEngine engine;
+    HelperConfig config;
+    address ethUsdPriceFeed;
+    address weth;
+
+    function setUp() public {
+        console.log("1");
+        deployer = new DeployDSC();
+        console.log("2");
+        (dsc, engine, config) = deployer.run();
+        console.log("3");
+        (ethUsdPriceFeed,, weth,,) = config.activeNetworkConfig();
+    }
+
+    //Price Test
+
+    function testGetUsdValue() public {
+        uint256 ethAmount = 15e18;
+        uint256 expectedUsd = 30000e18;
+        uint256 actualUsd = engine.getUsdValue(weth, ethAmount);
+        console.log(actualUsd);
+        assertEq(expectedUsd, actualUsd);
+    }
+}