add test to ensure source files are in sync

Author: Lms24

packages/angular/test/ivy-synced.test.ts

@@ -0,0 +1,31 @@
+import * as glob from 'glob';
+import * as fs from 'fs';
+import * as path from 'path';
+
+describe('@sentry/angular-ivy', () => {
+  /*
+   * This test ensures that the source files in @sentry/angular-ivy are in sync with @sentry/angular.
+   * If this test fails, run `yarn build` in `packages/angular-ivy` to update the sym-linked files.
+   */
+  test('ivy source files should be sym-linked and in sync with @sentry/angular', () => {
+    const angularBaseDir = path.resolve(__dirname, '..');
+    const angularIvyBaseDir = path.resolve(__dirname, '..', '..', 'angular-ivy');
+
+    const angularSourceFilePaths = glob.sync(path.join(angularBaseDir, 'src', '**', '*'));
+    const angularIvySourceFilePaths = glob.sync(path.join(angularIvyBaseDir, 'src', '**', '*'));
+
+    const angularSourceFiles = angularSourceFilePaths.map(filePath => path.relative(angularBaseDir, filePath));
+    const angularIvySourceFiles = angularIvySourceFilePaths.map(filePath => path.relative(angularIvyBaseDir, filePath));
+
+    // shallow equality check
+    expect(angularSourceFiles).toStrictEqual(angularIvySourceFiles);
+
+    // all files in angular-ivy should be sym-linked except for sdk.ts
+    angularIvySourceFilePaths
+      .filter(filePath => path.relative(angularIvyBaseDir, filePath) !== path.join('src', 'sdk.ts'))
+      .forEach(ivyFilePath => {
+        expect(fs.lstatSync(ivyFilePath).isSymbolicLink()).toBe(true);
+        expect(angularSourceFilePaths).toContain(fs.realpathSync(ivyFilePath));
+      });
+  });
+});