test: update parser tests and snapshots

tools/challenge-md-parser/__snapshots__/challengeSeed-to-data.test.js.snap

@@ -2,8 +2,8 @@
 
 exports[`challengeSeed-to-data plugin should have an output to match the snapshot 1`] = `
 Object {
-  "files": Array [
-    Object {
+  "files": Object {
+    "indexjs": Object {
       "contents": "function testFunction(arg) {
   return arg;
 }
@@ -19,6 +19,6 @@ testFunction('hello');
       "tail": "console.info('after the test');
 ",
     },
-  ],
+  },
 }
 `;

tools/challenge-md-parser/__snapshots__/solution-to-data.test.js.snap

@@ -3,12 +3,21 @@
 exports[`challengeSeed-to-data plugin should have an output to match the snapshot 1`] = `
 Object {
   "solutions": Array [
-    "function testFunction(arg) {
+    Object {
+      "indexjs": Object {
+        "contents": "function testFunction(arg) {
   return arg;
 }
 
 testFunction('hello');
 ",
+        "ext": "js",
+        "head": "",
+        "key": "indexjs",
+        "name": "index",
+        "tail": "",
+      },
+    },
   ],
 }
 `;

tools/challenge-md-parser/challengeSeed-to-data.test.js

@@ -3,6 +3,7 @@ const isArray = require('lodash/isArray');
 
 const mockAST = require('./fixtures/challenge-html-ast.json');
 const { challengeSeedToData } = require('./challengeSeed-to-data');
+const { isObject } = require('lodash');
 
 describe('challengeSeed-to-data plugin', () => {
   const plugin = challengeSeedToData();
@@ -21,9 +22,9 @@ describe('challengeSeed-to-data plugin', () => {
     expect('files' in file.data).toBe(true);
   });
 
-  it('ensures that the `files` property is an array', () => {
+  it('ensures that the `files` property is an object', () => {
     plugin(mockAST, file);
-    expect(Array.isArray(file.data.files)).toBe(true);
+    expect(isObject(file.data.files)).toBe(true);
   });
 
   it('adds test objects to the files array following a schema', () => {
@@ -32,7 +33,7 @@ describe('challengeSeed-to-data plugin', () => {
     const {
       data: { files }
     } = file;
-    const testObject = files[0];
+    const testObject = files.indexjs;
     expect(Object.keys(testObject).length).toEqual(7);
     expect(testObject).toHaveProperty('key');
     expect(typeof testObject['key']).toBe('string');

tools/challenge-md-parser/solution-to-data.test.js

@@ -1,6 +1,7 @@
 /* global describe it expect beforeEach */
 const mockAST = require('./fixtures/challenge-html-ast.json');
 const solutionToData = require('./solution-to-data');
+const { isObject } = require('lodash');
 
 describe('challengeSeed-to-data plugin', () => {
   const plugin = solutionToData();
@@ -24,10 +25,10 @@ describe('challengeSeed-to-data plugin', () => {
     expect(Array.isArray(file.data.solutions)).toBe(true);
   });
 
-  it('each entry in the `solutions` array is a string', () => {
+  it('each entry in the `solutions` array is an object', () => {
     plugin(mockAST, file);
 
-    expect(file.data.solutions.every(el => typeof el === 'string')).toBe(true);
+    expect(file.data.solutions.every(el => isObject(el))).toBe(true);
   });
 
   it('should have an output to match the snapshot', () => {