added more tests

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "node",
+			"request": "launch",
+			"name": "Jest Tests",
+			"program": "${workspaceFolder}/exercises/12_spa/books/node_modules/.bin/jest",
+			"args": [
+				"-i"
+			]
+		}
+	]
+}

exercises/12_spa/books/__tests__/books.test.js

@@ -14,12 +14,6 @@ let goodData
 
 describe('searchGoogle', () => {
 
-	beforeAll( () => {
-		const path = './modules/__mocks__/__mockData__/'
-		goodData = fs.readFileSync(`${path}java.json`, 'utf8')
-		expect(typeof goodData).toBe('string')
-	})
-
 	test('make a simple API call', async() => {
 		const search = 'java'
 		const data = await books.searchGoogle(search)
@@ -30,18 +24,29 @@ describe('searchGoogle', () => {
 
 describe('extractFields', () => {
 
-	test('extract title fields', () => {
+	beforeAll( () => {
+		const path = './modules/__mocks__/__mockData__/'
+		goodData = fs.readFileSync(`${path}java.json`, 'utf8')
+		expect(typeof goodData).toBe('string')
+	})
+
+	test('extracted data is in an array', () => {
 		const bookData = books.extractFields(goodData)
-		//console.log(bookData)
 		expect(Array.isArray(bookData)).toBeTruthy()
 		expect(bookData.length).toBe(2)
+	})
+
+	test('extract title fields', () => {
+		const bookData = books.extractFields(goodData)
 		console.log(bookData)
 		expect(bookData[0].title).toBe('Java Book One')
 		expect(bookData[1].title).toBe('Java Book Two')
 	})
 
 	test('extract ISBN13 data', () => {
-
+		const bookData = books.extractFields(goodData)
+		expect(bookData[0].isbn).toBe(9780201616460)
+		expect(bookData[1].isbn).toBe(9789793780146)
 	})
 
 })

exercises/12_spa/books/modules/books.js

@@ -39,8 +39,16 @@ module.exports.extractFields = jsonStr => {
 	const json = JSON.parse(jsonStr)
 	if(!Array.isArray(json.items)) throw new Error('no book data found')
 	for(const n of json.items) {
+		let item = {}
 		console.log(n)
-		bookArray.push({title: n.volumeInfo.title})
+		item.title = n.volumeInfo.title
+		for(const m in n.industryIdentifiers) {
+			//console.log(m)
+			if(m.type === 'ISBN_13') {
+				// xxx
+			}
+		}
+		bookArray.push(item)
 	}
 	return bookArray
 }