Merge pull request #147 from mainmatter/nickschot/test-helper-lib-test

Add basic transform test for test-helper transform

Author: nickschot

lib/transforms/test-helper.test.js

@@ -0,0 +1,50 @@
+import { describe, it, expect } from 'vitest';
+import babelParser from 'recast/parsers/babel.js';
+import { parse, print } from 'recast';
+import transformTestHelper from './test-helper.js';
+
+async function parseAndApply(input) {
+  let ast = await parse(input, { parser: babelParser });
+  ast = await transformTestHelper(ast);
+  return print(ast).code;
+}
+
+describe('test-helper() function', () => {
+  it('transforms a default test-helper', async () => {
+    expect(
+      await parseAndApply(`
+        import Application from 'my-empty-classic-app/app';
+        import config from 'my-empty-classic-app/config/environment';
+        import * as QUnit from 'qunit';
+        import { setApplication } from '@ember/test-helpers';
+        import { setup } from 'qunit-dom';
+        import { loadTests } from 'ember-qunit/test-loader';
+        import { start, setupEmberOnerrorValidation } from 'ember-qunit';
+        
+        setApplication(Application.create(config.APP));
+        
+        setup(QUnit.assert);
+        setupEmberOnerrorValidation();
+        loadTests();
+        start();
+    `),
+    ).toMatchInlineSnapshot(`
+      "
+              import Application from 'my-empty-classic-app/app';
+              import config from 'my-empty-classic-app/config/environment';
+              import * as QUnit from 'qunit';
+              import { setApplication } from '@ember/test-helpers';
+              import { setup } from 'qunit-dom';
+              import { start as qunitStart, setupEmberOnerrorValidation } from 'ember-qunit';
+
+              export function start() {
+                      setApplication(Application.create(config.APP));
+
+                      setup(QUnit.assert);
+                      setupEmberOnerrorValidation();
+                      qunitStart();
+              }
+          "
+    `);
+  });
+});