Python unittest: cancel all tests if a specific test fails

Question

I am using unittest to test my Flask application, and nose to actually run the tests.

My first set of tests is to ensure the testing enviro

Answer 1

For your use case there's setUpModule() function:

If an exception is raised in a setUpModule then none of the tests in the module will be run and the tearDownModule will not be run. If the exception is a SkipTest exception then the module will be reported as having been skipped instead of as an error.

Test your environment inside this function.