test: use fast-check to improve tests

xballoy · Feb 6, 2025 · 516c675 · 516c675
1 parent bdcfe9e
commit 516c675
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Showing 3 changed files with 48 additions and 3 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -56,6 +56,7 @@
     "@types/vscode": "1.97.0",
     "@vscode/test-cli": "0.0.10",
     "@vscode/test-electron": "2.4.1",
+    "fast-check": "3.23.2",
     "swc-loader": "0.2.6",
     "typescript": "5.7.3",
     "webpack": "5.97.1",

diff --git a/src/test/extension.test.ts b/src/test/extension.test.ts
@@ -1,11 +1,14 @@
 import { strictEqual } from 'node:assert';
 import { gzipText } from '../core/gzipText';
 import { unzipText } from '../core/unzipText';
+import fc from 'fast-check';
 
 suite('Gzip / Unzip text Test Suite', () => {
   test('should be reversible', () => {
-    const input = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 👍';
-
-    strictEqual(unzipText(gzipText(input)), input);
+    fc.assert(
+      fc.property(fc.string(), (text) => {
+        strictEqual(unzipText(gzipText(text)), text);
+      })
+    )
   });
 });