Add cloud functions unit tests

test/functions.test.js

@@ -0,0 +1,73 @@
+const test = require('firebase-functions-test')({
+	databaseURL: 'https://parandum-learning-dev.firebaseio.com',
+	storageBucket: 'parandum-learning-dev.appspot.com',
+	projectId: 'parandum-learning-dev',
+}, '_private_stuff/parandum-learning-dev-private-key.json');
+
+const admin = require("firebase-admin");
+const cloudFunctions = require('../functions/index.js');
+const firebase = require("@firebase/testing");
+
+admin.initializeApp();
+// const firestore = admin.firestore();
+// LOCAL TESTING:
+const firestore = firebase.initializeAdminApp({ projectId: "parandum-learning" }).firestore();
+
+const userOne = "user_01";
+const setOne = "set_01";
+const vocabOne = "vocab_01";
+const termOne = "term_01";
+const definitionOne = "definition_01";
+const soundOne = "sound_01";
+const vocabTwo = "vocab_02";
+const termTwo = "term_02";
+const definitionTwo = "definition_02";
+const soundTwo = "sound_02";
+
+describe("Parandum Cloud Functions", () => {
+
+	it("Can write & delete to/from online database", async () => {
+		await firebase.assertSucceeds(
+			firestore.collection("testCollection").doc("testDoc").set({
+				"one": "1",
+				"two": "2",
+			})
+		);
+		await firebase.assertSucceeds(
+			firestore.collection("testCollection").doc("testDoc").delete()
+		);
+	});
+
+	it("Can create new progress file from existing set", async () => {
+		const createProgress = test.wrap(cloudFunctions.createProgress);
+
+		const setDataOne = {
+			"owner": userOne,
+			"public": false,
+			"title": setOne,
+		};
+		const vocabDataOne = {
+			"term": termOne,
+			"definition": definitionOne,
+			"sound": soundOne,
+		};
+		const vocabDataTwo = {
+			"term": termTwo,
+			"definition": definitionTwo,
+			"sound": soundTwo,
+		};
+
+		await firestore.collection("sets").doc(setOne).set(setDataOne);
+		await firestore.collection("sets").doc(setOne)
+				.collection("vocab").doc(vocabOne).set(vocabDataOne);
+		await firestore.collection("sets").doc(setOne)
+				.collection("vocab").doc(vocabTwo).set(vocabDataTwo);
+
+		const requestData = {
+			switch_language: false,
+			set_id: setOne,
+		};
+
+		return await firebase.assertSucceeds(createProgress(requestData));
+	});
+});