feat(CSAF2.1): #403 add recommended test 6.2.39.2 - improve tests and comments in language lib

Author: rainer-exxcellent

lib/shared/languageSpecificTranslation.js

@@ -12,7 +12,7 @@ const translationMap = new Map(
  * Checks if the document language is specified and not English
  *
  * @param {string | undefined} language - The language expression to check
- * @returns {boolean} True if the language is valid, false otherwise
+ * @returns {boolean} False if language is English, true if the language is valid, false otherwise
  */
 export function isLangSpecifiedAndNotEnglish(language) {
   return (

tests/csaf_2_1/recommendedTest_6_2_39_2.js

@@ -8,13 +8,25 @@ describe('recommendedTest_6_2_39_2', function () {
     assert.equal(recommendedTest_6_2_39_2({}).warnings.length, 0)
   })
 
-  it('only runs on valid language', function () {
-    assert.equal(
-      recommendedTest_6_2_39_2({
-        document: { lang: '123', license_expression: 'MIT' },
-      }).warnings.length,
-      0
-    )
+  it('only runs on valid category', function () {
+    const result = recommendedTest_6_2_39_2({
+      document: { category: '123', license_expression: 'MIT' },
+    })
+
+    assert.equal(result.warnings.length, 0)
+    assert.equal(result.infos.length, 0)
+  })
+
+  it('info on invalid language', function () {
+    const result = recommendedTest_6_2_39_2({
+      document: {
+        category: 'csaf_withdrawn',
+        lang: '123',
+        license_expression: 'MIT',
+      },
+    })
+    assert.equal(result.warnings.length, 0)
+    assert.equal(result.infos.length, 1)
   })
 
   it('check get ReasoningForWithdrawal in document lang', function () {