GitHub stars · StarDay

1stretchr / testifyA toolkit with common assertions and mocks that plays nicely with the standard libraryGoMIT · Permissive26,245

2mswjs / mswThe industry standard for API mocking in JavaScript.TypeScriptMIT · Permissive18,334

3mockito / mockitoMost popular Mocking framework for unit tests written in JavaJavaMIT · Permissive15,448

4mockery / mockeryMockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).PHPBSD-3-Clause · Permissive10,724

5mockoon / mockoonMockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.TypeScriptMIT · Permissive8,472

6wiremock / wiremockA tool for mocking HTTP servicesJavaApache-2.0 · Permissive7,418

7vektra / mockeryA mock code autogenerator for GoGoBSD-3-Clause · Permissive7,178

8AliSoftware / OHHTTPStubsStub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!Objective-CMIT · Permissive5,066

9stoplightio / prismTurn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.TypeScriptApache-2.0 · Permissive5,065

10powermock / powermockPowerMock is a Java framework that allows you to unit test code normally regarded as untestable.JavaApache-2.0 · Permissive4,164

11ctimmerm / axios-mock-adapterAxios adapter that allows to easily mock requestsJavaScriptMIT · Permissive3,541

12pester / PesterPester is the ubiquitous test and mock framework for PowerShell.PowerShellLicense not declared3,377

13kevin1024 / vcrpyAutomatically mock your HTTP interactions to simplify and speed up testingPythonMIT · Permissive3,023

14SpectoLabs / hoverflyLightweight service virtualization/ API simulation / API mocking tool for developers and testersGoApache-2.0 · Permissive2,533

15mswjs / examplesMock Service Worker usage examples.License not declared732