pytesthttps://docs.pytest.org/en/latest/ |
RSpechttps://rspec.info |
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Programming language | Python | Ruby |
Category |
Unit Testing
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Unit Testing, Intergration Testing
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General info |
Pytest is the TDD 'all in one' testing framework for Python Pytest is a powerful Python testing framework that can test all and levels of software. It is considered by many to be the best testing framework in Python with many projects on the internet having switched to it from other frameworks, including Mozilla and Dropbox. This is due to its many powerful features such as ‘assert‘ rewriting, a third-party plugin model and a powerful yet simple fixture model. |
Domain Specific Language (DSL) testing solution for Ruby code It focuses on empowering Test Driven Development (TDD). RSpec contains multiple smaller libraries, which may be independently used with other testing frameworks. |
xUnit
Set of frameworks originating from SUnit (Smalltalk's testing framework). They share similar structure and functionality. |
No
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Yes Yes, but it differs from more traiditional xUnit solutions. Its tests are written in a "Tests as Specification" manner. This means that the terminology used in RSpec is adjusted to a language more fitting for specification. |
Client-side
Allows testing code execution on the client, such as a web browser |
Yes pytest can test any part of the stack including front-end components |
Yes RSpec is used to primarily test the behaviour of applications or individual components so it can test front-end behaviour as well - you can use capybara gem with RSpec for that. |
Server-side
Allows testing the bahovior of a server-side code |
Yes pytest is powerful enough to test database and server components and functionality |
Yes You can test server-side behaviour with Rspec |
Fixtures
Allows defining a fixed, specific states of data (fixtures) that are test-local. This ensures specific environment for a single test |
Yes Pytest has a powerful yet simple fixture model that is unmatched in any other testing framework. |
Yes RSpec does contain fixture methods |
Group fixtures
Allows defining a fixed, specific states of data for a group of tests (group-fixtures). This ensures specific environment for a given group of tests. |
Yes Pytest's powerful fixture model allows grouping of fixtures |
Yes Group fixture methods are supported |
Generators
Supports data generators for tests. Data generators generate input data for test. The test is then run for each input data produced in this way. |
Yes pytest has a hook function called pytest_generate_tests hook which is called when collecting a test function and one can use it to generate data |
Yes RSpec contains generators for example intergration_'test_name' which will save a spec inside the spec/requests folder |
Licence
Licence type governing the use and redistribution of the software |
MIT License
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MIT License
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Mocks
Mocks are objects that simulate the behavior of real objects. Using mocks allows testing some part of the code in isolation (with other parts mocked when needed) |
Yes By either using unittest.mock or using pytest-mock a thin wrapper that provides mock functionality for pytest |
Yes Available through rspec-mocks gem. |
Grouping
Allows organizing tests in groups |
Yes Tests can be grouped with pytest by use of markers which are applied to various tests and one can run tests with the marker applied |
Yes Allows declaring example groups and contexts. |
Other
Other useful information about the testing framework |
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