Test reporter

.gitignore

@@ -2,4 +2,5 @@ node_modules
 yarn-error.log
 cli.js
 Avo.js
-reporter.js
+reporter.js
+reporter.test.js

package.json

@@ -22,7 +22,8 @@
     "lint": "eslint cli.ts",
     "format": "prettier --write cli.ts",
     "check-format": "prettier --check cli.ts",
-    "compile": "tsc"
+    "compile": "tsc",
+    "test": "tsc && vitest" 
   },
   "files": [
     "cli.js",
@@ -65,6 +66,7 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-import": "^2.25.2",
     "prettier": "3.2.5",
-    "typescript": "^5.0.2"
+    "typescript": "^5.0.2",
+    "vitest": "^1.3.1"
   }
 }

reporter.test.ts

@@ -0,0 +1,47 @@
+import { expect, test, vi } from 'vitest'; // eslint-disable-line import/no-extraneous-dependencies
+import { tree } from './reporter.js';
+
+test('tree', () => {
+  const consoleSpy = vi.spyOn(console, 'log');
+  tree('testing', []);
+  expect(consoleSpy).toHaveBeenCalledWith('testing\n');
+
+  tree('testing', [{ name: 'firstNode' }]);
+  expect(consoleSpy).toHaveBeenCalledWith(`testing
+└─ firstNode
+`);
+
+  tree('testing', [{ name: 'firstNode', children: [{ name: 'secondNode' }] }]);
+  expect(consoleSpy).toHaveBeenCalledWith(`testing
+└─ firstNode
+   └─ secondNode
+`);
+
+  tree('testing', [
+    {
+      name: 'firstNode',
+      children: [{ name: 'secondNode' }, { name: 'thirdNode' }],
+    },
+  ]);
+  expect(consoleSpy).toHaveBeenCalledWith(`testing
+└─ firstNode
+   ├─ secondNode
+   └─ thirdNode
+`);
+
+  tree('testing', [
+    {
+      name: 'firstNode',
+      children: [
+        { name: 'secondNode', children: [{ name: 'secondNodeChild' }] },
+        { name: 'thirdNode' },
+      ],
+    },
+  ]);
+  expect(consoleSpy).toHaveBeenCalledWith(`testing
+└─ firstNode
+   ├─ secondNode
+   │  └─ secondNodeChild
+   └─ thirdNode
+`);
+});

tsconfig.json

@@ -8,5 +8,5 @@
     "strict": false,
     "skipLibCheck": true
   },
-  "files": ["cli.ts", "Avo.ts"]
+  "files": ["cli.ts", "Avo.ts", "reporter.ts", "reporter.test.ts"]
 }