sure The sophisticated automated test tool for Python, featuring a test runner and a library with powerful and flexible assertions. Originally authored by Gabriel Falcão. Installing pip install sure Running tests sure tests For More Information: sure --help Documentation Available on sure.readthedocs.io. To build locally run: make docs Quick Library Showcase from sure import expects expects(4).to.be.equal(2 + 2) expects(7.5).to.be.eql(3.5 + 4) expects(3).to.not_be.equal(5) expects(9).to_not.be.equal(11) from sure import expects expects({'foo': 'bar'}).to.equal({'foo': 'bar'}) expects({'foo': 'bar'}).to.have.key('foo').being.equal('bar') "Awesome ASSERTIONS".lower().split().should.equal(['awesome', 'assertions'])