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Is it possible to run tests from code using pytest? I did find pytest.main, but it's just a command line interface available from code. I would like to pass a test class / function from the code.
In unittest it's possible this way:
from unittest import TestLoader, TestCase, TestResult
class TestMy(TestCase):
def test_silly(self):
assert False
runner = TestLoader()
test_suite = runner.loadTestsFromTestCase(TestMy)
test_result = TestResult()
test_suite.run(test_result)
print(test_result)
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Running pytest We can run a specific test file by giving its name as an argument. A specific function can be run by providing its name after the :: characters. Markers can be used to group tests. A marked grouped of tests is then run with pytest -m .
Skipping a test The simplest way to skip a test is to mark it with the skip decorator which may be passed an optional reason . It is also possible to skip imperatively during test execution or setup by calling the pytest. skip(reason) function.
If you're using the PyCharm IDE, you can run unittest or pytest by following these steps: In the Project tool window, select the tests directory. On the context menu, choose the run command for unittest . For example, choose Run 'Unittests in my Tests…'.
nose. tools offers functions for testing assertions, e.g. assert_equal() . These functions are callable in a Jupyter notebook (REPL) and produce a detailed output if an error is raised.
Yes it's possible, that way for instance:
from pytest import main
class TestMy:
def test_silly(self):
assert False
main(['{}::{}'.format(__file__, TestMy.__name__)])
You can pass any argument to main as if called from command line.
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