Firebase mock refactoring

__mocks__/gatsby-plugin-firebase.js

@@ -1,89 +1,99 @@
 import path from 'path';
 import fs from 'fs';
 
-const demoResumeId = 'demore';
-const emptyResumeId = 'mtre01';
+let onAuthStateChangedObservers = [];
 let resumesDictionary = {};
 let useDemoResume = false;
 
-let onAuthStateChangedObservers = [];
-const testUser = {
-  displayName: 'Test User',
-  email: 'noemail@noemail.com',
-};
+const auth = () => {
+  const testUser = {
+    displayName: 'Test User',
+    email: 'noemail@noemail.com',
+  };
 
-const __init = () => {
-  resumesDictionary = {};
-  useDemoResume = false;
-  onAuthStateChangedObservers = [];
+  const __init = () => {
+    onAuthStateChangedObservers = [];
+  };
 
-  const demoResume = __readFile('../src/data/demoState.json');
-  resumesDictionary[demoResumeId] = demoResume;
-  const emptyResume = __readFile('../src/data/initialState.json');
-  resumesDictionary[emptyResumeId] = emptyResume;
+  const onAuthStateChanged = (observer) => {
+    onAuthStateChangedObservers.push(observer);
 
-  for (var key in resumesDictionary) {
-    const resume = resumesDictionary[key];
+    return () => {
+      onAuthStateChangedObservers = onAuthStateChangedObservers.filter(
+        (observer) => observer !== observer,
+      );
+    };
+  };
 
-    resume.id = key;
+  const signInAnonymously = async () => {
+    onAuthStateChangedObservers.forEach((observer) => observer(testUser));
 
-    let date = new Date('December 15, 2020 11:20:25');
-    resume.updatedAt = date.valueOf();
-    date.setMonth(date.getMonth() - 2);
-    resume.createdAt = date.valueOf();
-  }
-};
+    var result = await Promise.resolve(testUser);
+    return result;
+  };
 
-const __readFile = (fileRelativePath) => {
-  const fileAbsolutePath = path.resolve(__dirname, fileRelativePath);
-  const fileBuffer = fs.readFileSync(fileAbsolutePath);
-  const fileData = JSON.parse(fileBuffer);
-  return fileData;
-};
-
-const __getResume = () => {
-  return useDemoResume
-    ? resumesDictionary[demoResumeId]
-    : resumesDictionary[emptyResumeId];
-};
-
-const __useDemoResume = (value) => {
-  useDemoResume = value;
-};
-
-const __getResumeId = () => {
-  return __getResume().id;
-};
-
-const onAuthStateChanged = (observer) => {
-  onAuthStateChangedObservers.push(observer);
-
-  return () => {
-    onAuthStateChangedObservers = onAuthStateChangedObservers.filter(
-      (observer) => observer !== observer,
-    );
+  return {
+    __init,
+    onAuthStateChanged,
+    signInAnonymously,
   };
 };
 
-const signInAnonymously = async () => {
-  onAuthStateChangedObservers.forEach((observer) => observer(testUser));
+const database = () => {
+  const demoResumeId = 'demore';
+  const emptyResumeId = 'mtre01';
 
-  var result = await Promise.resolve(testUser);
-  return result;
-};
+  const __init = () => {
+    resumesDictionary = {};
+    useDemoResume = false;
 
-export default {
-  database: jest.fn().mockReturnValue({
+    const demoResume = __readFile('../src/data/demoState.json');
+    resumesDictionary[demoResumeId] = demoResume;
+    const emptyResume = __readFile('../src/data/initialState.json');
+    resumesDictionary[emptyResumeId] = emptyResume;
+
+    for (var key in resumesDictionary) {
+      const resume = resumesDictionary[key];
+
+      resume.id = key;
+
+      let date = new Date('December 15, 2020 11:20:25');
+      resume.updatedAt = date.valueOf();
+      date.setMonth(date.getMonth() - 2);
+      resume.createdAt = date.valueOf();
+    }
+  };
+
+  const __readFile = (fileRelativePath) => {
+    const fileAbsolutePath = path.resolve(__dirname, fileRelativePath);
+    const fileBuffer = fs.readFileSync(fileAbsolutePath);
+    const fileData = JSON.parse(fileBuffer);
+    return fileData;
+  };
+
+  const __getResume = () => {
+    return useDemoResume
+      ? resumesDictionary[demoResumeId]
+      : resumesDictionary[emptyResumeId];
+  };
+
+  const __useDemoResume = (value) => {
+    useDemoResume = value;
+  };
+
+  return {
+    __init,
+    __getResume,
+    __useDemoResume,
     ref: jest.fn().mockReturnValue({
       once: jest.fn().mockResolvedValue({
         val: jest.fn(__getResume),
       }),
     }),
-  }),
-  auth: jest.fn().mockReturnValue({
-    onAuthStateChanged: onAuthStateChanged,
-    signInAnonymously: signInAnonymously,
-  }),
+  };
 };
 
-export { __init, __useDemoResume, __getResumeId };
+export default {
+  auth,
+  database,
+};