Add login screen integration test

lib/ui/auth/login.dart

@@ -2,8 +2,9 @@ import 'package:flutter/material.dart';
 import 'package:invoiceninja/redux/auth/auth_state.dart';
 import 'package:invoiceninja/ui/app/progress_button.dart';
 import 'package:invoiceninja/utils/localization.dart';
+import 'package:invoiceninja/ui/app/form_card.dart';
 
-import '../app/form_card.dart';
+import 'package:invoiceninja/utils/keys.dart';
 
 class Login extends StatelessWidget {
   final bool isLoading;
@@ -21,6 +22,19 @@ class Login extends StatelessWidget {
 
   static final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
 
+  // add controllers
+  final _emailController = TextEditingController()..text = '';
+  final _passwordController = TextEditingController() ..text = '';
+  final _urlController = TextEditingController()..text = '';
+  final _secretController = TextEditingController()..text = '';
+
+  // keys
+  static final ValueKey _emailKey = new Key(LoginKeys.emailKeyString);
+  static final ValueKey _passwordKey = new Key(LoginKeys.passwordKeyString);
+  static final ValueKey _urlKey = new Key(LoginKeys.urlKeyString);
+  static final ValueKey _secretKey = new Key(LoginKeys.secretKeyString);
+
+  /*
   static final GlobalKey<FormFieldState<String>> _emailKey =
       GlobalKey<FormFieldState<String>>(debugLabel: 'email');
   static final GlobalKey<FormFieldState<String>> _passwordKey =
@@ -29,6 +43,7 @@ class Login extends StatelessWidget {
       GlobalKey<FormFieldState<String>>();
   static final GlobalKey<FormFieldState<String>> _secretKey =
       GlobalKey<FormFieldState<String>>();
+  */
 
   @override
   Widget build(BuildContext context) {
@@ -49,8 +64,9 @@ class Login extends StatelessWidget {
           child: FormCard(
             children: <Widget>[
               TextFormField(
+                controller: _emailController,
                 key: _emailKey,
-                initialValue: authState.email,
+                //initialValue: authState.email,
                 autocorrect: false,
                 decoration: InputDecoration(
                     labelText: AppLocalization.of(context).email),
@@ -60,8 +76,9 @@ class Login extends StatelessWidget {
                     : null,
               ),
               TextFormField(
+                controller: _passwordController,
                 key: _passwordKey,
-                initialValue: authState.password,
+                //initialValue: authState.password,
                 autocorrect: false,
                 decoration: InputDecoration(
                     labelText: AppLocalization.of(context).password),
@@ -71,8 +88,9 @@ class Login extends StatelessWidget {
                 obscureText: true,
               ),
               TextFormField(
+                controller: _urlController,
                 key: _urlKey,
-                initialValue: authState.url,
+                //initialValue: authState.url,
                 autocorrect: false,
                 decoration:
                     InputDecoration(labelText: AppLocalization.of(context).url),
@@ -82,8 +100,9 @@ class Login extends StatelessWidget {
                 keyboardType: TextInputType.url,
               ),
               TextFormField(
+                controller: _secretController,
                 key: _secretKey,
-                initialValue: authState.secret,
+                //initialValue: authState.secret,
                 autocorrect: false,
                 decoration: InputDecoration(
                     labelText: AppLocalization.of(context).secret),
@@ -122,10 +141,10 @@ class Login extends StatelessWidget {
 
             this.onLoginPressed(
                 context,
-                _emailKey.currentState.value,
+                _emailController.text,//_emailKey.currentState.value,
-                _passwordKey.currentState.value,
+                _passwordController.text,//_passwordKey.currentState.value,
-                _urlKey.currentState.value,
+                _urlController.text,//_urlKey.currentState.value,
-                _secretKey.currentState.value);
+                _secretController.text);//_secretKey.currentState.value);
           },
         ),
       ],

lib/utils/keys.dart

@@ -0,0 +1,7 @@
+// Keys for Login Screen
+class LoginKeys {
+  static final String emailKeyString = 'loginEmail'; 
+  static final String passwordKeyString = 'loginPassword';
+  static final String urlKeyString = 'loginUrl';
+  static final String secretKeyString = 'loginSecret';
+}

test_driver/login_it.dart

@@ -0,0 +1,10 @@
+// This is the instrumented flutter app!
+
+import 'package:flutter_driver/driver_extension.dart';
+import 'package:invoiceninja/main.dart' as app;
+
+void main() {
+  // This line enables the extension
+  enableFlutterDriverExtension();
+  app.main();
+}

test_driver/login_it_test.dart

@@ -0,0 +1,55 @@
+// This is our test!
+
+// Import Flutter Driver API
+import 'package:flutter_driver/flutter_driver.dart';
+import 'package:test/test.dart';
+
+import 'package:invoiceninja/utils/keys.dart';
+
+void main() {
+  group('LOGIN TEST', () {
+    
+    FlutterDriver driver;
+
+    setUp(() async {
+      driver = await FlutterDriver.connect();
+    });
+
+    tearDown(() async {
+      if(driver!=null) {
+        driver.close();
+      }
+    });
+
+    test('No input provided by user test', () async {
+      await driver.tap(find.text('LOGIN'));
+      await driver.waitFor(find.text('Please enter your email'));
+      await driver.waitFor(find.text('Please enter your password'));
+    });
+
+    test('Details filled by user and login', () async {
+
+      // details for sever running laravel
+      String email = 'sanghapal.ahankare@gmail.com';
+      String password = '12345qazdr';
+      String url = 'http://192.168.1.74';
+      String secret = 'asdf';
+
+      await driver.tap(find.byValueKey(LoginKeys.emailKeyString), timeout: new Duration(seconds: 60));
+      await driver.enterText(email);
+
+      await driver.tap(find.byValueKey(LoginKeys.passwordKeyString));
+      await driver.enterText(password);
+
+      await driver.tap(find.byValueKey(LoginKeys.urlKeyString));
+      await driver.enterText(url);
+
+      await driver.tap(find.byValueKey(LoginKeys.secretKeyString));
+      await driver.enterText(secret);
+
+      await driver.tap(find.text('LOGIN'));
+
+      await driver.waitFor(find.byType('DashboardScreen'));
+    });
+  });
+}