chore: mock dns

.github/workflows/morphix.yml

@@ -22,6 +22,10 @@ jobs:
         node-version: [18.x, 20.x]
       fail-fast: false
     steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
+        with:
+          egress-policy: audit
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@8f152de45cc393bb48ce5d89d36b731f54556e65 # v4.0.0

src/morphix/package.json

@@ -18,7 +18,7 @@
   "scripts": {
     "build": "tsup src/index.ts --format cjs,esm --dts --clean",
     "prepublishOnly": "npm run build",
-    "test": "glob -c \"tsx --test\" \"./test/**/*.spec.ts\"",
+    "test": "npm run build && glob -c \"tsx --test --loader=esmock\" \"./test/**/*.spec.mts\"",
     "coverage": "c8 -r html npm test",
     "lint": "cross-env eslint src/**/*.ts"
   },
@@ -36,5 +36,8 @@
   ],
   "keywords": [],
   "author": "GENTILHOMME Thomas <[email protected]>",
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "esmock": "^2.5.8"
+  }
 }

src/morphix/test/index.spec.ts → src/morphix/test/index.spec.mts

@@ -2,8 +2,11 @@
 import assert from "node:assert";
 import { describe, it } from "node:test";
 
+// Import Third-party Dependencies
+import esmock from "esmock";
+
 // Import Internal Dependencies
-import { morphix } from "../src/index";
+import { morphix } from "../dist/index.mjs";
 
 describe("Morphix", () => {
   it("main", async() => {
@@ -79,6 +82,22 @@ describe("Morphix", () => {
   });
 
   it("should find ip hostname", async() => {
-    assert.equal(await morphix("{foo | dnsresolve}", { foo: "8.8.8.8" }), "dns.google");
+    const { morphix } = await esmock("../dist/index.mjs", {
+      "node:dns/promises": {
+        reverse: async() => ["dns.google"]
+      }
+    });
+    assert.equal(await morphix("host: {foo | dnsresolve}", { foo: "8.8.8.8" }), "host: dns.google");
+  });
+
+  it("should not find ip hostname", async() => {
+    const { morphix } = await esmock("../dist/index.mjs", {
+      "node:dns/promises": {
+        reverse: async() => {
+          throw new Error("Not found");
+        }
+      }
+    });
+    assert.equal(await morphix("host: {foo | dnsresolve}", { foo: "8.8.8.8" }), "host: 8.8.8.8");
   });
 });