From dbed4ffb8061219a0c9522015d0736b1f13c12e1 Mon Sep 17 00:00:00 2001
From: sitatec <62622509+sitatec@users.noreply.github.com>
Date: Tue, 29 Dec 2020 10:30:36 -0500
Subject: [PATCH 1/3] Update README.md

---
 README.md | 42 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 5cf76d3..f532ca4 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,47 @@
 
 A new Flutter project.
 
-## Getting Started
+## Usage
+```dart
+import 'package:firebase_database/firebase_database.dart';
+import 'package:firebase_database_mocks/firebase_database_mocks.dart';
+import 'package:flutter_test/flutter_test.dart';
 
-This project is a starting point for a Flutter application.
+class UserRepository {
+  UserRepository(this.firebaseDatabase);
+  FirebaseDatabase firebaseDatabase;
+
+  Future<String> getUserName(String userId) async {
+    final userNode =
+        firebaseDatabase.reference().child('users').child('$userId/name');
+    final dataSnapshot = await userNode.once();
+    return dataSnapshot.value;
+  }
+}
+
+void main() {
+  FirebaseDatabase firebaseDatabase;
+  UserRepository userRepository;
+  // Put fake data
+  const userId = 'userId';
+  const userName = 'Elon musk';
+  MockFirebaseDatabase.instance
+      .reference()
+      .child('users')
+      .child(userId)
+      .child('name')
+      .set(userName);
+  setUp(() {
+    firebaseDatabase = MockFirebaseDatabase.instance;
+    userRepository = UserRepository(firebaseDatabase);
+  });
+  test('Should contain value', () async {
+    final userNameFromFakeDatabase = userRepository.getUserName(userId);
+    expect(userNameFromFakeDatabase, equals(userName));
+  });
+}
+
+```
 
 A few resources to get you started if this is your first Flutter project:
 

From 59ded6da5b2e8064cad3705c24bb2c8d1852dd0a Mon Sep 17 00:00:00 2001
From: sitatec <62622509+sitatec@users.noreply.github.com>
Date: Tue, 29 Dec 2020 10:39:00 -0500
Subject: [PATCH 2/3] Update README.md

---
 README.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index f532ca4..0dd3c09 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # firebase_database_mocks
-
-A new Flutter project.
+Fakes to write unit tests for FirebaseDatabase (real-time database). Get Instance
+`MockFirebaseDatabase.instance`, then pass it around your project as if it were a
+`FirebaseDatabase.instance`. This mock keep data in memory while test running.
 
 ## Usage
 ```dart

From 60e7676612c986d2e771f21e0d5ca72bf93207fc Mon Sep 17 00:00:00 2001
From: sitatec <62622509+sitatec@users.noreply.github.com>
Date: Tue, 29 Dec 2020 10:40:29 -0500
Subject: [PATCH 3/3] Update README.md

---
 README.md | 47 +++++++++++++++++++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 0dd3c09..56a0868 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,14 @@ class UserRepository {
   FirebaseDatabase firebaseDatabase;
 
   Future<String> getUserName(String userId) async {
-    final userNode =
-        firebaseDatabase.reference().child('users').child('$userId/name');
+    final userNameReference =
+        firebaseDatabase.reference().child('users').child(userId).child('name');
+    final dataSnapshot = await userNameReference.once();
+    return dataSnapshot.value;
+  }
+
+  Future<Map<String, dynamic>> getUser(String userId) async {
+    final userNode = firebaseDatabase.reference().child('users/$userId');
     final dataSnapshot = await userNode.once();
     return dataSnapshot.value;
   }
@@ -27,20 +33,41 @@ void main() {
   // Put fake data
   const userId = 'userId';
   const userName = 'Elon musk';
-  MockFirebaseDatabase.instance
-      .reference()
-      .child('users')
-      .child(userId)
-      .child('name')
-      .set(userName);
+  const fakeData = {
+    'users': {
+      userId: {
+        'name': userName,
+        'email': 'musk.email@tesla.com',
+        'photoUrl': 'url-to-photo.jpg',
+      },
+      'otherUserId': {
+        'name': 'userName',
+        'email': 'othermusk.email@tesla.com',
+        'photoUrl': 'other_url-to-photo.jpg',
+      }
+    }
+  };
+  MockFirebaseDatabase.instance.reference().set(fakeData);
   setUp(() {
     firebaseDatabase = MockFirebaseDatabase.instance;
     userRepository = UserRepository(firebaseDatabase);
   });
-  test('Should contain value', () async {
-    final userNameFromFakeDatabase = userRepository.getUserName(userId);
+  test('Should get userName ...', () async {
+    final userNameFromFakeDatabase = await userRepository.getUserName(userId);
     expect(userNameFromFakeDatabase, equals(userName));
   });
+
+  test('Should get user ...', () async {
+    final userNameFromFakeDatabase = await userRepository.getUser(userId);
+    expect(
+      userNameFromFakeDatabase,
+      equals({
+        'name': userName,
+        'email': 'musk.email@tesla.com',
+        'photoUrl': 'url-to-photo.jpg',
+      }),
+    );
+  });
 }
 
 ```