A full featured library for writing and running Dart tests across platforms.

A Dart mock library which simplifies mocking with null safety support and no manual mocks or code generation.

A mock framework inspired by Mockito with APIs for Fakes, Mocks, behavior verification, and stubbing.

A testing library which makes it easy to test blocs. Built to be used with the bloc state management package.

Widgetbook is a sandbox for building widgets and screens in isolation. It helps you develop hard-to-reach states and edge cases without needing to run your app.

Log package for Patrol, a powerful Flutter-native UI testing framework.

Streamlined, high-level API on top of flutter_test.

A powerful, multiplatform E2E UI testing framework for Flutter apps that overcomes the limitations of integration_test by handling native interactions.

A library for generating fake data. faker is heavily inspired by the Python package faker and, the Ruby package ffaker.

Utilities for writing unit tests of Builders.

A Very Good Command-Line Interface for Dart created by Very Good Ventures.

A Dart package which allows you to mock Image.network in your widget tests with confidence using the mocktail package.

Command-line tool for Patrol, a powerful Flutter-native UI testing framework.

Versatile scriptable Web Server for real integration tests in Flutter, server, and Dart CLI applications

A BDD-style widget testing library. Generates Flutter widget tests from *.feature files.

A testing library for Blocs/Cubits which mixin BlocPresentationMixin. To be used with bloc_presentation package.

Value types with builders, Dart classes as enums, and serialization. This library provides test support.

Snap photos in your widget tests.

Run a test multiple times based on provided parameter list. Inspired by JUnit ParameterizedTest.

A Dart unit testing library for OverReact components that mimics the API of the JS react-testing-library

Test utilities for flutter_quill which includes methods to simplify interacting with the editor in test cases.

A testing library which makes it easy to test flutter_svg. Built to be used with the flutter_svg package.

Utilities to automate screenshot generation using Flutter's golden tests.

A package for faking Dart/Flutter HttpClient's responses. It is handy for integration tests. Also it may help a lot during app development with an unstable back-end.

A testing library which makes it easy to test providers. Built to be used with the riverpod package.

The modern version of Redux. State management that's simple to learn and easy to use; Powerful enough to handle complex applications with millions of users; Testable.

A diff coverage tool. It provides a clear and achievable standard for code review: If you touch a line of code, that line should be covered.

generate massive amounts of fake data in Dart & Flutter! A dart port of the famous faker.js

An MCP server that empowers AI assistants to control, automate, and monitor interactive Patrol development sessions in Flutter.

A set of utility functions over mocktail library created to increase productivity over daily mocking/testing.

CLI tool to speed up and simplify the process of running unit tests in Dart projects.

Testing utilities for jaspr.

A testing library which makes it easy to test elementary used apps. Built to be used with the elementary architecture package.

Add support for legacy matchers in `package:checks` expectations.

Add typesafe support for legacy matchers from `package:flutter_test` to `package:checks` expectations.

A testing library which makes it easy to test StateNotifier. Built to be used with the state_notifier, riverpod or flutter_riverpod packages.

A Flutter package for parsing pickle files and executing Cucumber steps in widget tests.

A testing library which makes it easy to test providers. Built after bloc_test package.

A testing library for property-based testing, enabling custom test data generation, testing stateful systems, and integrating seamlessly with package:test.

Tizen implementation of the integration_test plugin.

A utility Flutter plugin for writing golden tests that streamlines adding golden tests to your project

The official testing library for Dart Frog — a fast, minimalistic backend framework for Dart.

Utility for running golden tests on Widgetbook use cases.

Approval Tests implementation in Dart. Inspired by ApprovalTests.

Flutter MCP bridge for AI agents — runtime error capture, HTTP monitor, widget tree inspection, tap/type/screenshot. 33+ VM service extensions, zero deps.

rx_bloc_cli that enables quick project setup including: flavors, localization [intl], state management [rx_bloc], routing [go_router], design system, analytics [firebase], tests

A Dart CLI tool that wraps dart test, parses JSON output, and notifies you of the result — success, failure, or crash.

Core utilities for running golden tests on Widgetbook use cases.

A set of utilities for simplifying golden (screenshot) test writing in Flutter.

Step-based test execution framework for Flutter integration tests with AI agent control.

Pure Dart LLM evaluation helpers for tests, including judge-based matchers, RAG scoring, and statistics.

Flutter integration test wrapper for testwire with hot-reload support.

Stream testing library. Test async stream with ease.

Capture Flutter widgets as PNG screenshots. CLI + AI skills for Claude Code, Cursor, Codex, and Antigravity. Figma-to-Flutter conversion with visual validation loop.

A package that provides a way to assert JSON objects.

ArchUnit-inspired architecture testing for Dart & Flutter. Enforce layer boundaries, slice isolation, cycles, coupling metrics, and violation baselines — all in plain Dart tests.

BEST faker package available for dart. One that the Dart community deserves.

Java classes for testing Flutter apps using Espresso. Allows driving Flutter widgets from a native Espresso test.

No-code E2E orchestration framework for automated Flutter testing using VM Service extensions.

A package for mocking online media in Flutter widget and integration tests. Ideal for simulating network responses and serving local media assets without relying on live resources.

Test Helper for Store of flutter_triple with Mocktail.

Headless CLI runner for automated Suupr Tests in CI/CD environments.

BDD framework for Dart/Flutter. Lets you create BDD tests in code, and gives you easy to read error messages when assertions fail. Exports to Gherkin/Cucumber feature files.

Clean, immutable Date and Time types. Separate types without the complexity of DateTime.

A property-based testing framework for Dart, inspired by QuickCheck and Hypothesis. Ported from jsproptest.

A code generator to create Mockito compliant mocks of Riverpod Notifiers.

A gherkin / cucumber integration test runner flutter with gits_cli.

A CLI for optimizing test execution and manipulating coverage trace files. Optimize tests, validate coverage, filter trace files, and generate HTML reports.

A Flutter package with the goal to enable testing rxBlocs from the FlutterRxBloc package with ease.

OptiTest — stable automation keys and testable widget wrappers for Flutter apps driven by Appium, Flutter Driver, or integration tests.

A simple and elegant tool to visualize Dart and Flutter test coverage reports

A concise Semantics wrapper for Flutter test automation. Provides named constructors for common UI patterns (buttons, inputs, text, list items, checkboxes).

Annotation and runtime helpers for generating realistic mock instances of your Dart classes. Pairs with mockable_gen for build_runner code generation.

A local mock API server for Flutter and Dart with YAML config, static/stateful routes, CRUD simulation, deterministic seeded data, and hot reload.

Test helpers for flutter_stasis. captureStates, captureEvents, assertStateSequence and assertEventSequence.

Robot is a robot pattern testing library for Flutter.

A comprehensive command line toolkit for Flutter developers with interactive scripts, app signing utilities, performance testing, and platform-specific tools. Includes a modern dialer interface for easy script management.

Testing utilities, helpers and matchers for Flutty packages.

A Flutter package to generate adaptive golden files during widget tests.

Dart test extensions for cleaner, more expressive tests — ChangeNotifier state capture, mockito sugar, stream helpers, and widget test utilities.

Annotation-based mock data generator for Dart. Add @Mockalization to classes to auto-generate realistic fake data with nullable, collection, and format support.

Visual snapshot testing for Flutter widgets with golden file comparison

The Integration Test Helper has pre-configured methods that allow for faster test deployment for end to end (e2e) test coverage.

A Flutter package to auto-fill forms with Faker or AI-powered values. Supports text, images, dropdowns, and debug-only filler actions.

A Flutter package for Behavior-Driven Development (BDD) testing.

A Flutter approval-tests library for quickly writing unit, widget, and integration tests.

an extension to the very helpful faker library that adds some extra functionality to make life just a little bit easier

A statistically rigorous benchmarking harness with median-based comparisons, CV% reliability metrics, and outlier-resistant measurements.

An intelligent test data generator for Flutter/Dart with schema-based generation, smart relationships, and comprehensive internationalization support.

AppFlow CLI is a Dart-based command-line tool designed to automate the creation, management, and cleanup of scalable Flutter project structures for a flutter project.

A gherkin integration test framework based on flutter's official integration_test package.

A testing library which makes it easy to test providers. Built to be used with the riverpod package.

Powerful random data generator for Dart. Generate numbers, text, names, passwords, colors, dates, and more. Perfect for testing, mocking, and games.

Generate random fake data for user profiles, e-commerce products, and geolocations etc.

Flutter app health CLI — crawls every screen, analyses widget trees, measures performance, detects bugs, and generates integration tests.

Faker Korean is generating fake data for test, or dummy data for Korean.