Fixes#1247 Add the test for SingUpDetail screen

lib/views/pre_auth_screens/signup_details.dart

@@ -66,6 +66,7 @@ class _SignUpDetailsState extends State<SignUpDetails> {
                                 height: SizeConfig.screenHeight! * 0.05,
                               ),
                               TextFormField(
+                                key: const Key('FirstNameInputField'),
                                 controller: model.firstName,
                                 textInputAction: TextInputAction.next,
                                 keyboardType: TextInputType.text,
@@ -104,6 +105,7 @@ class _SignUpDetailsState extends State<SignUpDetails> {
                                 height: SizeConfig.screenHeight! * 0.015,
                               ),
                               TextFormField(
+                                key: const Key('LastNameInputField'),
                                 controller: model.lastName,
                                 textInputAction: TextInputAction.next,
                                 keyboardType: TextInputType.text,
@@ -140,6 +142,7 @@ class _SignUpDetailsState extends State<SignUpDetails> {
                                 height: SizeConfig.screenHeight! * 0.015,
                               ),
                               TextFormField(
+                                key: const Key('signUpEmailField'),
                                 controller: model.email,
                                 textInputAction: TextInputAction.next,
                                 keyboardType: TextInputType.emailAddress,
@@ -171,6 +174,7 @@ class _SignUpDetailsState extends State<SignUpDetails> {
                                 height: SizeConfig.screenHeight! * 0.015,
                               ),
                               TextFormField(
+                                key: const Key('signuppassword'),
                                 controller: model.password,
                                 textInputAction: TextInputAction.next,
                                 keyboardType: TextInputType.visiblePassword,

test/widget_tests/pre_auth_screens/signup_details_test.dart

@@ -0,0 +1,237 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:talawa/models/organization/org_info.dart';
+import 'package:talawa/models/user/user_info.dart';
+import 'package:talawa/router.dart' as router;
+import 'package:talawa/services/navigation_service.dart';
+import 'package:talawa/services/size_config.dart';
+import 'package:talawa/utils/app_localization.dart';
+import 'package:talawa/views/pre_auth_screens/signup_details.dart';
+
+import '../../helpers/test_locator.dart';
+
+Widget createApp() {
+  return MaterialApp(
+    locale: const Locale('en'),
+    localizationsDelegates: [
+      const AppLocalizationsDelegate(isTest: true),
+      GlobalMaterialLocalizations.delegate,
+      GlobalWidgetsLocalizations.delegate,
+    ],
+    home: TextButton(
+      onPressed: () async {
+        final OrgInfo org = OrgInfo(
+          id: '2',
+          name: 'test org',
+          isPublic: true,
+          creatorInfo: User(firstName: 'test', lastName: 'test'),
+        );
+
+        await navigationService.pushScreen('/signupDetails', arguments: org);
+      },
+      child: const Text('Ayush'),
+    ),
+    navigatorKey: locator<NavigationService>().navigatorKey,
+    onGenerateRoute: router.generateRoute,
+  );
+}
+
+Future<void> showSignUpScreen(tester) async {
+  await tester.pumpWidget(createApp());
+  await tester.pump();
+  await tester.tap(find.textContaining('Ayush'));
+  await tester.pumpAndSettle();
+}
+
+void main() {
+  SizeConfig().test();
+  testSetupLocator();
+
+  group('Test For SignUp Screen', () {
+    testWidgets('Check if SignUp screen shows up', (tester) async {
+      await tester.pumpWidget(createApp());
+      await tester.pump();
+
+      expect(find.byType(SignUpDetails), findsNothing);
+
+      await tester.tap(find.textContaining('Ayush'));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(SignUpDetails), findsOneWidget);
+    });
+
+    testWidgets("Testing if input field and signup button appear",
+        (tester) async {
+      await showSignUpScreen(tester);
+
+      final firstNameInputFieldWidget =
+          find.byKey(const Key('FirstNameInputField'));
+
+      final findSignUpButton = find.text('Next');
+      expect(firstNameInputFieldWidget, findsOneWidget);
+
+      expect(findSignUpButton, findsOneWidget);
+    });
+//....................................................................
+    testWidgets('Testing validator for first name input form invalid',
+        (tester) async {
+      await showSignUpScreen(tester);
+
+      final invalidFirstNameSubmission = find.text('Invalid Firstname');
+
+      final firstNameInputFieldWidget =
+          find.byKey(const Key('FirstNameInputField'));
+
+      final findSignUpButton = find.text('Next');
+
+      await tester.enterText(firstNameInputFieldWidget, '<>');
+
+      await tester.dragUntilVisible(
+          findSignUpButton, findSignUpButton, const Offset(0, 50));
+
+      await tester.tap(findSignUpButton);
+      await tester.pumpAndSettle(const Duration(milliseconds: 1000));
+
+      expect(invalidFirstNameSubmission, findsOneWidget);
+    });
+    testWidgets('Testing validator for first name input form null',
+        (tester) async {
+      await showSignUpScreen(tester);
+
+      final nullSubmission = find.text('Firstname must not be left blank.');
+
+      final firstNameInputFieldWidget =
+          find.byKey(const Key('FirstNameInputField'));
+
+      final findSignUpButton = find.text('Next');
+
+      await tester.enterText(firstNameInputFieldWidget, '');
+
+      await tester.dragUntilVisible(
+          findSignUpButton, findSignUpButton, const Offset(0, 50));
+
+      await tester.tap(findSignUpButton);
+      await tester.pumpAndSettle(const Duration(milliseconds: 1000));
+
+      expect(nullSubmission, findsOneWidget);
+    });
+//...........................................................................
+
+    testWidgets('Testing validator for last name input form invalid',
+        (tester) async {
+      await showSignUpScreen(tester);
+
+      final invalidLastNameSubmission = find.text('Invalid Lastname');
+
+      final lastNameInputFieldWidget =
+          find.byKey(const Key('LastNameInputField'));
+
+      final findSignUpButton = find.text('Next');
+
+      await tester.enterText(lastNameInputFieldWidget, '<>');
+
+      await tester.dragUntilVisible(
+          findSignUpButton, findSignUpButton, const Offset(0, 50));
+
+      await tester.tap(findSignUpButton);
+      await tester.pumpAndSettle(const Duration(milliseconds: 1000));
+
+      expect(invalidLastNameSubmission, findsOneWidget);
+    });
+    testWidgets('Testing validator for last name input form null',
+        (tester) async {
+      await showSignUpScreen(tester);
+
+      final nullSubmission = find.text('Lastname must not be left blank.');
+
+      final lastNameInputFieldWidget =
+          find.byKey(const Key('LastNameInputField'));
+
+      final findSignUpButton = find.text('Next');
+
+      await tester.enterText(lastNameInputFieldWidget, '');
+
+      await tester.dragUntilVisible(
+          findSignUpButton, findSignUpButton, const Offset(0, 50));
+
+      await tester.tap(findSignUpButton);
+      await tester.pumpAndSettle(const Duration(milliseconds: 1000));
+
+      expect(nullSubmission, findsOneWidget);
+    });
+  });
+  //......................................................................................
+  testWidgets("Testing the password Input text form field", (tester) async {
+    //pushing setUrlScreen
+    await showSignUpScreen(tester);
+
+    //initializing the password input field widget Finder
+    final passwordInputFieldWidget = find.byKey(const Key('signuppassword'));
+    //initializing the pa Finder
+    final iconButton = find.byIcon(Icons.visibility_off);
+    //initializing the text field suffix button widget Finder
+    final findSignUpButton = find.text('Next');
+    //initializing the nullPasswordSubmission widget Finder
+    final nullPasswordSubmission = find.text('Password must not be left blank');
+    //initializing the invalidPasswordSubmission widget Finder
+    final invalidPasswordSubmission = find.text(
+        'Your password must be at least 8 characters long, contain at least one numeric, one uppercase and one lowercase letters and one special character (@,#,\$,etc.)');
+    //initializing the spacePasswordSubmission widget Finder
+    final spacePasswordSubmission =
+        find.text('Password must not contain spaces');
+
+    await tester.dragUntilVisible(
+        findSignUpButton, findSignUpButton, const Offset(0, 50));
+    //finding the password input text field
+    expect(passwordInputFieldWidget, findsOneWidget);
+    //finding the  iconbutton
+    expect(iconButton, findsOneWidget);
+    //finding the login button
+    expect(findSignUpButton, findsOneWidget);
+
+    //inputting a invalid password text in the field
+    await tester.enterText(passwordInputFieldWidget, 'test');
+    //submitting the field with invalid password input
+    await tester.tap(findSignUpButton);
+    await tester.pumpAndSettle(const Duration(milliseconds: 500));
+    //testing the invalidPasswordSubmission widget appears
+    expect(invalidPasswordSubmission, findsOneWidget);
+
+    //without inputting text in the field
+    await tester.enterText(passwordInputFieldWidget, '');
+    //submitting the field without input
+    await tester.tap(findSignUpButton);
+    await tester.pumpAndSettle(const Duration(milliseconds: 500));
+    //testing the nullPasswordSubmission widget appears
+    expect(nullPasswordSubmission, findsOneWidget);
+
+    //inputting a password with spaces in the field
+    await tester.enterText(passwordInputFieldWidget, 'testing spaces');
+    //submitting the field with spaces input
+    await tester.tap(findSignUpButton);
+    await tester.pumpAndSettle(const Duration(milliseconds: 500));
+    //testing the spacePasswordSubmission widget appears
+    expect(spacePasswordSubmission, findsOneWidget);
+
+    await tester.tap(iconButton);
+    await tester.pumpAndSettle();
+  });
+
+  testWidgets(
+      "Testing onFieldSubmitted in password TextFormField by simulating keyboard hits",
+      (tester) async {
+    await showSignUpScreen(tester);
+    final formFinder = find.ancestor(
+        of: find.byKey(const Key('signuppassword')),
+        matching: find.byType(Form));
+    final formWidget = tester.firstWidget(formFinder) as Form;
+    (formWidget.key! as GlobalKey<FormState>).currentState!.save();
+
+    final textFinder = find.byKey(const Key('signuppassword'));
+    await tester.tap(textFinder);
+    await tester.pump();
+    await tester.showKeyboard(textFinder);
+    await tester.testTextInput.receiveAction(TextInputAction.done);
+  });
+}