Show diff of failing integration tests

Author: lolmaus

package.json

@@ -42,6 +42,7 @@
     "yargs": "^17.7.2"
   },
   "devDependencies": {
+    "compare-fixture": "^1.1.0",
     "coveralls": "^3.1.1",
     "eslint": "^8.22.0",
     "eslint-config-prettier": "^8.5.0",

pnpm-lock.yaml

@@ -45,7 +45,8 @@ const execOpts = { cwd: inputDir, stderr: 'inherit' };
   console.log('comparing results');
 
   try {
-    await execa('diff', ['-rq', './app', '../output/app'], execOpts);
+    const compareFixture = await import('compare-fixture');
+    compareFixture.default(path.join(inputDir, 'app'), path.join(inputDir, '../output/app'));
   } catch (e) {
     console.error('codemod did not run successfully');
     console.log(e);