Firebase Stub refactoring

__mocks__/gatsby-plugin-firebase/database/database.js

@@ -0,0 +1,105 @@
+import path from 'path';
+import fs from 'fs';
+import { v4 as uuidv4 } from 'uuid';
+
+import { AuthConstants, DatabaseConstants } from '../constants';
+import Reference from './reference';
+
+class Database {
+  static #instance = undefined;
+  #uuid = '';
+  #data = {};
+  #references = {};
+  #anonymousUser1 = undefined;
+  #anonymousUser2 = undefined;
+
+  constructor() {
+    if (Database.#instance) {
+      return Database.#instance;
+    }
+
+    Database.#instance = this;
+
+    this.#uuid = uuidv4();
+    this.#anonymousUser1 = {
+      uid: AuthConstants.anonymousUser1.uid,
+      isAnonymous: AuthConstants.anonymousUser1.isAnonymous,
+    };
+    this.#anonymousUser2 = {
+      uid: AuthConstants.anonymousUser2.uid,
+      isAnonymous: AuthConstants.anonymousUser2.isAnonymous,
+    };
+  }
+
+  get anonymousUser1() {
+    return this.#anonymousUser1;
+  }
+
+  get anonymousUser2() {
+    return this.#anonymousUser2;
+  }
+
+  get uuid() {
+    return this.#uuid;
+  }
+
+  static readFile(fileRelativePath) {
+    const fileAbsolutePath = path.resolve(__dirname, fileRelativePath);
+    const fileBuffer = fs.readFileSync(fileAbsolutePath);
+    const fileData = JSON.parse(fileBuffer);
+    return fileData;
+  }
+
+  initializeData() {
+    const resumes = {};
+
+    const demoStateResume1 = Database.readFile(
+      '../../../src/data/demoState.json',
+    );
+    let date = new Date('December 15, 2020 11:20:25');
+    demoStateResume1.updatedAt = date.valueOf();
+    date.setMonth(date.getMonth() - 2);
+    demoStateResume1.createdAt = date.valueOf();
+    demoStateResume1.user = this.anonymousUser1.uid;
+    resumes[DatabaseConstants.demoStateResume1Id] = demoStateResume1;
+
+    const demoStateResume2 = JSON.parse(JSON.stringify(demoStateResume1));
+    demoStateResume2.user = this.anonymousUser2.uid;
+    resumes[DatabaseConstants.demoStateResume2Id] = demoStateResume2;
+
+    const initialStateResume = Database.readFile(
+      '../../../src/data/initialState.json',
+    );
+    initialStateResume.updatedAt = date.valueOf();
+    initialStateResume.createdAt = date.valueOf();
+    initialStateResume.user = this.anonymousUser1.uid;
+    resumes[DatabaseConstants.initialStateResumeId] = initialStateResume;
+
+    for (var key in resumes) {
+      const resume = resumes[key];
+
+      resume.id = key;
+      resume.name = `Test Resume ${key}`;
+    }
+
+    this.#data[DatabaseConstants.resumesPath] = resumes;
+
+    const users = {};
+    users[this.anonymousUser1.uid] = this.anonymousUser1;
+    users[this.anonymousUser2.uid] = this.anonymousUser2;
+    this.#data[DatabaseConstants.usersPath] = users;
+  }
+
+  ref(path) {
+    const newRef = new Reference(path, () => this.#data);
+    const existingRef = this.#references[newRef.path];
+    if (existingRef) {
+      return existingRef;
+    }
+
+    this.#references[newRef.path] = newRef;
+    return newRef;
+  }
+}
+
+export default Database;