add test

packages/contracts/package.json

@@ -8,5 +8,8 @@
   "dependencies": {
     "@openzeppelin/contracts": "^5.0.0",
     "dotenv": "^16.3.1"
+  },
+  "devDependencies": {
+    "forge-std": "https://github.com/foundry-rs/forge-std"
   }
 }

packages/contracts/remappings.txt

@@ -1,2 +1,4 @@
 @openzeppelin/contracts=../../node_modules/@openzeppelin/contracts
-@openzeppelin=../../node_modules/@openzeppelin/contracts
+@openzeppelin=../../node_modules/@openzeppelin/contracts
+forge-std=../../node_modules/forge-std
+

packages/contracts/test/DKIMRegistry.t.sol

@@ -0,0 +1,23 @@
+
+import "@openzeppelin/contracts/utils/Strings.sol";
+import "forge-std/src/Test.sol";
+import "forge-std/src/console.sol";
+import "../interfaces/IDKIMRegistry.sol";
+import "../DKIMRegistry.sol";
+
+/// @title ECDSAOwnedDKIMRegistry
+/// @notice A DKIM Registry that could be updated by predefined ECDSA signer
+contract TestDKIMRegistry is Test {
+  DKIMRegistry public dkimRegistry;
+  address public signer;
+
+  constructor() {
+      dkimRegistry = new DKIMRegistry(msg.sender);
+      signer = msg.sender;
+  }
+
+  function test_setDKIM() public {
+    dkimRegistry.setDKIMPublicKeyHash("test.com", "a81273981273bce922");
+  }
+}
+

yarn.lock

@@ -2773,6 +2773,7 @@ __metadata:
   dependencies:
     "@openzeppelin/contracts": ^5.0.0
     dotenv: ^16.3.1
+    forge-std: "https://github.com/foundry-rs/forge-std"
   languageName: unknown
   linkType: soft
 
@@ -4195,6 +4196,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"forge-std@https://github.com/foundry-rs/forge-std":
+  version: 1.7.6
+  resolution: "forge-std@https://github.com/foundry-rs/forge-std.git#commit=e4aef94c1768803a16fe19f7ce8b65defd027cfd"
+  checksum: 6fab51b92a24c97384f55dcb1b9eba29ce5043b67930b4179a9f9f4f8da85e8315163db60bec2ffbe7334135755630ba549b246db9e503e59ec93ba2f11931cc
+  languageName: node
+  linkType: hard
+
 "fs-minipass@npm:^2.0.0, fs-minipass@npm:^2.1.0":
   version: 2.1.0
   resolution: "fs-minipass@npm:2.1.0"