✅ Test a bit more

NatoBoram · NatoBoram · commit 9bdf5b762a7d · 2025-04-24T18:56:31.000-04:00
diff --git a/packages/all/langs.test.js b/packages/all/langs.test.js
@@ -1,4 +1,5 @@
-import test from 'node:test'
+import { Lang as LangNapi } from '@ast-grep/napi'
+import test, { describe } from 'node:test'
 import { Lang } from './langs.js'
 
 /** Languages supported in `@ast-grep/napi@~0.33.1`. */
@@ -28,6 +29,14 @@ const previous = Object.freeze({
   Swift: 'Swift',
 })
 
-test('The new language enum is compatible with the old one', ({ assert }) => {
-  for (const lang of Object.values(previous)) assert.equal(Lang[lang], lang)
+describe('Lang', () => {
+  test('The new language enum is compatible with the old one', ({ assert }) => {
+    for (const lang of Object.values(previous)) assert.equal(Lang[lang], lang)
+  })
+
+  test('The new language enum is compatible with the built-in ones', ({
+    assert,
+  }) => {
+    for (const lang of Object.values(LangNapi)) assert.equal(Lang[lang], lang)
+  })
 })
diff --git a/packages/all/register.test.js b/packages/all/register.test.js
@@ -1,4 +1,29 @@
-import test from 'node:test'
+import { parse } from '@ast-grep/napi'
+import { before, describe, test } from 'node:test'
+import { Lang } from './langs.js'
 import { registerDynamicLanguage } from './register.js'
 
-test('registerDynamicLanguage', () => registerDynamicLanguage())
+describe('registerDynamicLanguage', () => {
+  before(() => registerDynamicLanguage())
+
+  // A newly supported language
+  test(Lang.Dart, ({ assert }) => {
+    const sg = parse(Lang.Dart, 'var x = "Hello, world!";"')
+    const kind = sg.root().kind()
+    assert.equal(kind, 'program')
+  })
+
+  // A previously supported language
+  test(Lang.Go, ({ assert }) => {
+    const sg = parse(Lang.Dart, 'x := "Hello, world!"')
+    const kind = sg.root().kind()
+    assert.equal(kind, 'program')
+  })
+
+  // A built-in language
+  test(Lang.TypeScript, ({ assert }) => {
+    const sg = parse(Lang.TypeScript, 'const x = "Hello, world!"')
+    const kind = sg.root().kind()
+    assert.equal(kind, 'program')
+  })
+})
