refactor(tests): migrate chai -> node:assert

Author: simonrenoult

package-lock.json

@@ -54,13 +54,11 @@
   "devDependencies": {
     "@babel/preset-env": "^7.20.2",
     "@types/babel__core": "^7.1.20",
-    "@types/chai": "^4.3.4",
     "@types/debug": "^4.1.7",
     "@types/micromatch": "^4.0.2",
     "@types/mocha": "^10.0.0",
     "@typescript-eslint/eslint-plugin": "^5.42.1",
     "@typescript-eslint/parser": "^5.42.1",
-    "chai": "^4.3.7",
     "codecov": "^3.8.2",
     "eslint": "^8.27.0",
     "eslint-config-prettier": "^8.5.0",

package.json

@@ -1,7 +1,6 @@
+import * as assert from "node:assert";
 import { execSync } from "node:child_process";
 
-import { expect } from "chai";
-
 import TestRepositoryFixture from "../fixtures/test-repository.fixture";
 
 describe("CLI", () => {
@@ -21,7 +20,8 @@ describe("CLI", () => {
       ).trim();
 
       // Then
-      expect(result).to.deep.equal(
+      assert.deepStrictEqual(
+        result,
         JSON.stringify([
           { path: "a.js", churn: 2, complexity: 2, score: 4 },
           { path: "b.ts", churn: 1, complexity: 1, score: 1 },
@@ -46,7 +46,8 @@ describe("CLI", () => {
       ).trim();
 
       // Then
-      expect(result).to.deep.equal(
+      assert.deepStrictEqual(
+        result,
         ["file,complexity,churn,score", "a.js,2,2,4", "b.ts,1,1,1"].join("\n")
       );
     });