Add override option for internal testing

Author: jason-gardella-deepl

src/translator.ts

@@ -252,9 +252,11 @@ export class Translator {
         const singular = appendTextsAndReturnIsSingular(data, texts);
         validateAndAppendTextOptions(data, options);
 
+        const translatePath = options?.__path ?? '/v2/translate';
+
         const { statusCode, content } = await this.httpClient.sendRequestWithBackoff<string>(
             'POST',
-            '/v2/translate',
+            translatePath,
             { data },
         );
         await checkStatusCode(statusCode, content);

src/types.ts

@@ -157,6 +157,9 @@ export interface TranslateTextOptions {
 
     /** Extra parameters to be added to a text translation request. */
     extraRequestParameters?: RequestParameters;
+
+    /** (internal only) Override path to send translate request to. */
+    __path?: string;
 }
 
 /**

tests/translateText.test.ts

@@ -60,6 +60,16 @@ describe('translate text', () => {
         expect(result.detectedSourceLang).toBe('en');
     });
 
+    withMockServer('should translate using overridden path', async () => {
+        const translator = makeTranslator();
+        const result = await translator.translateText(exampleText.en, null, 'de', {
+            __path: '/v2/translate_secondary',
+        });
+        expect(result.text).toBe(exampleText.de);
+        expect(result.detectedSourceLang).toBe('en');
+        expect(result.billedCharacters).toBe(exampleText.en.length);
+    });
+
     it('should reject deprecated target codes', async () => {
         const translator = makeTranslator();