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nose expansion for supporting parametrized testing

Project description

nose extension for supporting parametrized testing.

Allows developer to run the same test over and over again using different values

Main Features:
  • Very easy to integrate with existing tests
  • Saves a lot of boilerplate code, and code replication
  • Work with all nose plugins (including multiprocessing)
  • Customize setup per test, by using this package built-in nose plugin setup-ittr

Installation:

pip install nose_ittr

Basic usage:

import math

from nose.tools import assert_equal, assert_not_equal
from nose_ittr import IttrMultiplier, ittr

class TestFoo(object):

    __metaclass__ = IttrMultiplier

    def setup(self):
        if hasattr(self, 'value'):
            self.value += 3

    def teardown(self):
        pass

    @ittr(number=[1, 2, 3, 4])
    def test_even(self):
        assert_equal(self.number % 2, 0)

    @ittr(numerator=[15, 6], denominator=[2, 3])
    def test_no_remainder(self):
        assert_equal(self.numerator % self.denominator, 0)

    @ittr(value=[4, 14])
    def test_prime_with_custom_setup(self):
        for i in range(3, int(math.sqrt(self.value))):
            assert_not_equal(self.value % i, 0)
nosetests --with-setup-ittr [for setup customization support]

result:

TestFoo.test_even_1 ... FAIL
TestFoo.test_even_2 ... .ok
TestFoo.test_even_3 ... FAIL
TestFoo.test_even_4 ... .ok
TestFoo.test_no_remainder_2_6 ... .ok
TestFoo.test_no_remainder_2_15 ... FAIL
TestFoo.test_no_remainder_3_6 ... .ok
TestFoo.test_no_remainder_3_15 ... .ok
TestFoo.test_prime_with_custom_setup_14 ... ok
TestFoo.test_prime_with_custom_setup_4 ... ok
Notes:
  • Doesn’t affect test docstring if used with -v parameter.

To change the docstring printout based on the varibales passed to test, use the plugin nose-docstring-modifier.

Authors:

Sergey Ragatsky

Contributors:

Niv Mizrahi

Tal Ben Basat

Nicole Franco

Roy Klinger

Maroun Maroun

0.0.1 (2014-11-26)

  • Initial release

0.0.2 (2014-11-27)

  • Added nose plugin to the package to support setup customization per test

0.0.3 (2014-11-27)

  • Error handling for nose plugin
  • Typo fix
  • Support using new.classob

0.0.4 (2014-12-02)

  • New feature, that allows decorating all class method with ‘__ittr__’ hook

Project details


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