rewrite and expand tests

src/utils/language.test.ts

@@ -1,28 +1,69 @@
 import { detectLanguage } from '@/utils/language.ts';
-import { assertEquals } from '@std/assert';
+import { assertEquals, assertNotEquals } from '@std/assert';
+import { Conf } from '@/config.ts';
 
-Deno.test('Detect English language', () => {
+Deno.test('Tests for language detection', async (t) => {
-  assertEquals(detectLanguage(``, 0.90), undefined);
+  await t.step('Empty string should return undefined', async () => {
-  assertEquals(detectLanguage(`Good morning my fellow friends`, 0.90), 'en');
+    assertEquals(await detectLanguage(``, 0.90), undefined);
+  });
+
+  await t.step('Regular English string should be detected', async () => {
+    assertEquals(await detectLanguage(`Good morning my fellow friends`, 0.90), 'en');
+  });
+
+  await t.step('nostr event id should be ignored', async () => {
     assertEquals(
-    detectLanguage(
+      await detectLanguage(
         `Would you listen to Michael Jackson's songs?\n\nnostr:nevent1qvzqqqqqqypzqprpljlvcnpnw3pejvkkhrc3y6wvmd7vjuad0fg2ud3dky66gaxaqyvhwumn8ghj7cm0vfexzen4d4sjucm0d5hhyetvv9usqg8htx8xcjq7ffrzxu7nrhlr8vljcv6gpmet0auy87mpj6djxk4myqha02kp`,
         0.90,
       ),
       'en',
     );
+  });
+
+  await t.step('URLs should be ignored', async () => {
     assertEquals(
-    detectLanguage(
+      await detectLanguage(
         `https://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uhttps://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uhttps://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uhttps://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uWould you listen to Michael Jackson's songs?\n\nnostr:nevent1qvzqqqqqqypzqprpljlvcnpnw3pejvkkhrc3y6wvmd7vjuad0fg2ud3dky66gaxaqyvhwumn8ghj7cm0vfexzen4d4sjucm0d5hhyetvv9usqg8htx8xcjq7ffrzxu7nrhlr8vljcv6gpmet0auy87mpj6djxk4myqha02kp`,
         0.90,
       ),
       'en',
     );
+  });
+
+  await t.step('Emoji should be ignored', async () => {
     assertEquals(
-    detectLanguage(
+      await detectLanguage(
         `https://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_u 😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎😂💯♡⌨︎    https://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uhttps://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_uhttps://youtu.be/FxppefYTA2I?si=grgEpbEhFu_-3V_u Would you listen to Michael Jackson's songs?\n\nnostr:nevent1qvzqqqqqqypzqprpljlvcnpnw3pejvkkhrc3y6wvmd7vjuad0fg2ud3dky66gaxaqyvhwumn8ghj7cm0vfexzen4d4sjucm0d5hhyetvv9usqg8htx8xcjq7ffrzxu7nrhlr8vljcv6gpmet0auy87mpj6djxk4myqha02kp`,
         0.90,
       ),
       'en',
     );
   });
+
+  await t.step('The horrific problem sentence', async () => {
+    switch (Conf.languageDetector) {
+      case 'lingua':
+        assertEquals(
+          await detectLanguage(`It may die when I die, and that's okay. It's my earnings.`, 0.90),
+          'en',
+        );
+        break;
+      default:
+        assertNotEquals(
+          await detectLanguage(`It may die when I die, and that's okay. It's my earnings.`, 0.90),
+          'en',
+        );
+        break;
+    }
+  });
+
+  await t.step('The horrific problem sentence', async () => {
+    const tester = Conf.languageDetector === 'lingua' ? assertEquals : assertNotEquals;
+    tester(await detectLanguage(`It may die when I die, and that's okay. It's my earnings.`, 0.90), 'en');
+  });
+  //
+  await t.step('Should detect Hindi sentences', async () => {
+    assertEquals(await detectLanguage(`मै डिट्टो की नयी अनुवाद सुविधा को आज़मा रहा हूँ`, 0.80), 'hi');
+  });
+});