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Use @pytest.mark.only to run a single test

Project description

Only run tests marked with @pytest.mark.only. If none are marked, all tests run as usual.

Borrowed from mocha.

Installation

pip install pytest-only

Usage

Use it on functions

import pytest

def test_that_will_not_run():
    assert 0

@pytest.mark.only
def test_that_will_run():
    assert 1
$ py.test -v test_example.py

============================= test session starts ==============================
platform linux -- Python 3.6.1, pytest-3.0.7, py-1.4.33, pluggy-0.4.0 -- /tmp/example/bin/python3.6
cachedir: .cache
rootdir: /tmp/example, inifile:
plugins: only-1.0.0
collected 2 items

test_example.py::test_that_will_run PASSED

=========================== 1 passed in 0.00 seconds ===========================

Or use it on classes

import pytest

class TestThatWillNotRun:
    def test_that_will_not_run(self):
        assert 0


@pytest.mark.only
class TestThatWillRun:
    def test_that_will_run(self):
        assert 1
$ py.test -v test_example.py

============================= test session starts ==============================
platform linux -- Python 3.6.1, pytest-3.0.7, py-1.4.33, pluggy-0.4.0 -- /tmp/example/bin/python3.6
cachedir: .cache
rootdir: /tmp/example, inifile:
plugins: only-1.0.0
collected 2 items

test_example.py::TestThatWillRun::test_that_will_run PASSED

=========================== 1 passed in 0.00 seconds ===========================

Or use it on modules

# test_example.py
import pytest

pytestmark = pytest.mark.only

def test_that_will_run():
    assert 1
# test_example2.py
def test_that_will_not_run():
    assert 0
$ py.test -v test_example.py test_example2.py

============================= test session starts ==============================
platform linux -- Python 3.6.1, pytest-3.0.7, py-1.4.33, pluggy-0.4.0 -- /home/they4kman/.virtualenvs/tmp-53d5944c7c78d28/bin/python3.6
cachedir: .cache
rootdir: /home/they4kman/.virtualenvs/tmp-53d5944c7c78d28, inifile:
plugins: only-1.0.0
collected 2 items

test_example.py::test_that_will_run PASSED

=========================== 1 passed in 0.00 seconds ===========================

Project details


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