test: add tests for translated challenge parser

curriculum/getChallenges.test.js

@@ -0,0 +1,68 @@
+/* global expect */
+const {
+  createChallenge,
+  getChallengeLang,
+  getEnglishPath,
+  isEnglishChallenge
+} = require('./getChallenges');
+
+/* eslint-disable max-len */
+const INVALID_PATH = 'not/challenge/path';
+const ENGLISH_PATH =
+  'curriculum/challenges/english/01-responsive-web-design/applied-accessibility/add-a-text-alternative-to-images-for-visually-impaired-accessibility.english.md';
+const CHINESE_PATH =
+  'curriculum/challenges/chinese/01-responsive-web-design/applied-accessibility/add-a-text-alternative-to-images-for-visually-impaired-accessibility.chinese.md';
+const NOT_LANGUAGE_PATH =
+  'curriculum/challenges/chinese/01-responsive-web-design/applied-accessibility/add-a-text-alternative-to-images-for-visually-impaired-accessibility.notlang.md';
+const MISSING_LANGUAGE_PATH =
+  'curriculum/challenges/chinese/01-responsive-web-design/applied-accessibility/add-a-text-alternative-to-images-for-visually-impaired-english.md';
+
+/* eslint-enable max-len */
+
+describe('create non-English challenge', () => {
+  describe('createChallenge', () => {
+    it('throws if the filename includes an invalid language', async () => {
+      await expect(createChallenge(NOT_LANGUAGE_PATH)).rejects.toThrow(
+        'notlang is not a accepted language'
+      );
+    });
+    it('throws an error if the filename is missing a language', async () => {
+      await expect(createChallenge(MISSING_LANGUAGE_PATH)).rejects.toThrow(
+        `Missing language extension for
+${MISSING_LANGUAGE_PATH}`
+      );
+    });
+  });
+  describe('getEnglishPath', () => {
+    it('returns the full path of the English version of the challenge', () => {
+      expect(getEnglishPath(CHINESE_PATH)).toBe(ENGLISH_PATH);
+    });
+    it('throws an error if the path has the wrong directory structure', () => {
+      expect(() => getEnglishPath(INVALID_PATH)).toThrow();
+    });
+    it('throws an error if the filename includes an invalid language', () => {
+      expect(() => getEnglishPath(NOT_LANGUAGE_PATH)).toThrow();
+    });
+    it('throws an error if the filename is missing a language', () => {
+      expect(() => getEnglishPath(MISSING_LANGUAGE_PATH)).toThrow();
+    });
+  });
+
+  describe('getChallengeLang', () => {
+    it("returns 'english' if the challenge is English", () => {
+      expect(getChallengeLang(ENGLISH_PATH)).toBe('english');
+    });
+    it("returns 'chinese' if the challenge is Chinese", () => {
+      expect(getChallengeLang(CHINESE_PATH)).toBe('chinese');
+    });
+  });
+
+  describe('isEnglishChallenge', () => {
+    it('returns true if the challenge is English', () => {
+      expect(isEnglishChallenge(ENGLISH_PATH)).toBe(true);
+    });
+    it('returns false if the challenge is not English', () => {
+      expect(isEnglishChallenge(CHINESE_PATH)).toBe(false);
+    });
+  });
+});