Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[WIP] add test #353

Draft
wants to merge 1 commit into
base: master
Choose a base branch
from
Draft

[WIP] add test #353

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
263 changes: 263 additions & 0 deletions test/carousel_controller_test.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,263 @@
import 'package:carousel_slider/carousel_slider.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';

void main() {

group('initial page', () {
testWidgets('default initial page', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(
viewportFraction: 1.0,
),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);
expect(find.text('page2'), findsNothing);

//jump to third page
carouselController.jumpToPage(2);
await tester.pumpAndSettle();

expect(find.text('page1'), findsNothing);
expect(find.text('page3'), findsOneWidget);

//jump to page which does not exist
carouselController.jumpToPage(6);
expect(find.text('page3'), findsOneWidget);

});

testWidgets('nextPage() and previousPage()', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(viewportFraction: 1.0),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);

carouselController.nextPage(duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page1'), findsNothing);
expect(find.text('page2'), findsOneWidget);

carouselController.previousPage(duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page1'), findsOneWidget);
expect(find.text('page2'), findsNothing);
});

testWidgets('Should not change from last page to first page when infinite scroll is set to false', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(viewportFraction: 1.0, enableInfiniteScroll: false),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);

carouselController.previousPage(duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page1'), findsOneWidget);
});

testWidgets('Should not change from first page to last page when infinite scroll is set to false', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(
initialPage: 4,
viewportFraction: 1.0,
enableInfiniteScroll: false,
),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page5'), findsOneWidget);

carouselController.nextPage(duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page5'), findsOneWidget);
});

testWidgets('animateTo', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(
viewportFraction: 1.0
),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);

carouselController.animateToPage(2, duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page3'), findsOneWidget);
});

testWidgets('should loop throught when page does not exist & infityScroll is true', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(
viewportFraction: 1.0
),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);

carouselController.animateToPage(6, duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

// since the infinty scroll is true, it will loop through a cycle
expect(find.text('page2'), findsOneWidget);
});

testWidgets('should animate to last page when page does not exist and infityScroll is set to true', (WidgetTester tester) async {

final CarouselController carouselController = CarouselController();

Widget build() {
return boilerPlate(
CarouselSlider(
carouselController: carouselController,
options: CarouselOptions(
viewportFraction: 1.0,
enableInfiniteScroll: false,
),
items: ['page1', 'page2', 'page3', 'page4', 'page5']
.map(
(item) => Center(
child: Text(item),
),
)
.toList(),
),
);
}

await tester.pumpWidget(build());

expect(find.text('page1'), findsOneWidget);

carouselController.animateToPage(6, duration: const Duration(milliseconds: 500));
await tester.pumpAndSettle();

expect(find.text('page5'), findsOneWidget);
});

});

}

Widget boilerPlate(Widget carouselWidget) {
return Directionality(
textDirection: TextDirection.ltr,
child: MaterialApp(
color: const Color(0x00ff0000),
home: Scaffold(
body: Center(
child: carouselWidget,
),
),
),
);
}
Loading