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allpairspy-2.5.0
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مشاهده بیشترتوضیحات
Pairwise test combinations generator
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | allpairspy-2.5.0 |
| نام | allpairspy |
| نسخه کتابخانه | 2.5.0 |
| نگهدارنده | ['Tsuyoshi Hombashi'] |
| ایمیل نگهدارنده | ['tsuyoshi.hombashi@gmail.com'] |
| نویسنده | MetaCommunications Engineering |
| ایمیل نویسنده | metacomm@users.sourceforge.net |
| آدرس صفحه اصلی | https://github.com/thombashi/allpairspy |
| آدرس اینترنتی | https://pypi.org/project/allpairspy/ |
| مجوز | MIT License |
.. contents:: **allpairspy** forked from `bayandin/allpairs <https://github.com/bayandin/allpairs>`__
:backlinks: top
:depth: 2
.. image:: https://badge.fury.io/py/allpairspy.svg
:target: https://badge.fury.io/py/allpairspy
:alt: PyPI package version
.. image:: https://img.shields.io/pypi/pyversions/allpairspy.svg
:target: https://pypi.org/project/allpairspy
:alt: Supported Python versions
.. image:: https://img.shields.io/travis/thombashi/allpairspy/master.svg?label=Linux/macOS%20CI
:target: https://travis-ci.org/thombashi/allpairspy
:alt: Linux/macOS CI status
.. image:: https://img.shields.io/appveyor/ci/thombashi/allpairspy/master.svg?label=Windows%20CI
:target: https://ci.appveyor.com/project/thombashi/allpairspy
:alt: Windows CI status
.. image:: https://coveralls.io/repos/github/thombashi/allpairspy/badge.svg?branch=master
:target: https://coveralls.io/github/thombashi/allpairspy?branch=master
:alt: Test coverage
AllPairs test combinations generator
------------------------------------------------
AllPairs is an open source test combinations generator written in
Python, developed and maintained by MetaCommunications Engineering.
The generator allows one to create a set of tests using "pairwise
combinations" method, reducing a number of combinations of variables
into a lesser set that covers most situations.
For more info on pairwise testing see http://www.pairwise.org.
Features
--------
* Produces good enough dataset.
* Pythonic, iterator-style enumeration interface.
* Allows to filter out "invalid" combinations during search for the next combination.
* Goes beyond pairs! If/when required can generate n-wise combinations.
Get Started
---------------
Basic Usage
==================
:Sample Code:
.. code:: python
from allpairspy import AllPairs
parameters = [
["Brand X", "Brand Y"],
["98", "NT", "2000", "XP"],
["Internal", "Modem"],
["Salaried", "Hourly", "Part-Time", "Contr."],
[6, 10, 15, 30, 60],
]
print("PAIRWISE:")
for i, pairs in enumerate(AllPairs(parameters)):
print("{:2d}: {}".format(i, pairs))
:Output:
.. code::
PAIRWISE:
0: ['Brand X', '98', 'Internal', 'Salaried', 6]
1: ['Brand Y', 'NT', 'Modem', 'Hourly', 6]
2: ['Brand Y', '2000', 'Internal', 'Part-Time', 10]
3: ['Brand X', 'XP', 'Modem', 'Contr.', 10]
4: ['Brand X', '2000', 'Modem', 'Part-Time', 15]
5: ['Brand Y', 'XP', 'Internal', 'Hourly', 15]
6: ['Brand Y', '98', 'Modem', 'Salaried', 30]
7: ['Brand X', 'NT', 'Internal', 'Contr.', 30]
8: ['Brand X', '98', 'Internal', 'Hourly', 60]
9: ['Brand Y', '2000', 'Modem', 'Contr.', 60]
10: ['Brand Y', 'NT', 'Modem', 'Salaried', 60]
11: ['Brand Y', 'XP', 'Modem', 'Part-Time', 60]
12: ['Brand Y', '2000', 'Modem', 'Hourly', 30]
13: ['Brand Y', '98', 'Modem', 'Contr.', 15]
14: ['Brand Y', 'XP', 'Modem', 'Salaried', 15]
15: ['Brand Y', 'NT', 'Modem', 'Part-Time', 15]
16: ['Brand Y', 'XP', 'Modem', 'Part-Time', 30]
17: ['Brand Y', '98', 'Modem', 'Part-Time', 6]
18: ['Brand Y', '2000', 'Modem', 'Salaried', 6]
19: ['Brand Y', '98', 'Modem', 'Salaried', 10]
20: ['Brand Y', 'XP', 'Modem', 'Contr.', 6]
21: ['Brand Y', 'NT', 'Modem', 'Hourly', 10]
Filtering
==================
You can restrict pairs by setting filtering function to ``filter_func`` at
``AllPairs`` constructor.
:Sample Code:
.. code:: python
from allpairspy import AllPairs
def is_valid_combination(row):
"""
This is a filtering function. Filtering functions should return True
if combination is valid and False otherwise.
Test row that is passed here can be incomplete.
To prevent search for unnecessary items filtering function
is executed with found subset of data to validate it.
"""
n = len(row)
if n > 1:
# Brand Y does not support Windows 98
if "98" == row[1] and "Brand Y" == row[0]:
return False
# Brand X does not work with XP
if "XP" == row[1] and "Brand X" == row[0]:
return False
if n > 4:
# Contractors are billed in 30 min increments
if "Contr." == row[3] and row[4] < 30:
return False
return True
parameters = [
["Brand X", "Brand Y"],
["98", "NT", "2000", "XP"],
["Internal", "Modem"],
["Salaried", "Hourly", "Part-Time", "Contr."],
[6, 10, 15, 30, 60]
]
print("PAIRWISE:")
for i, pairs in enumerate(AllPairs(parameters, filter_func=is_valid_combination)):
print("{:2d}: {}".format(i, pairs))
:Output:
.. code::
PAIRWISE:
0: ['Brand X', '98', 'Internal', 'Salaried', 6]
1: ['Brand Y', 'NT', 'Modem', 'Hourly', 6]
2: ['Brand Y', '2000', 'Internal', 'Part-Time', 10]
3: ['Brand X', '2000', 'Modem', 'Contr.', 30]
4: ['Brand X', 'NT', 'Internal', 'Contr.', 60]
5: ['Brand Y', 'XP', 'Modem', 'Salaried', 60]
6: ['Brand X', '98', 'Modem', 'Part-Time', 15]
7: ['Brand Y', 'XP', 'Internal', 'Hourly', 15]
8: ['Brand Y', 'NT', 'Internal', 'Part-Time', 30]
9: ['Brand X', '2000', 'Modem', 'Hourly', 10]
10: ['Brand Y', 'XP', 'Modem', 'Contr.', 30]
11: ['Brand Y', '2000', 'Modem', 'Salaried', 15]
12: ['Brand Y', 'NT', 'Modem', 'Salaried', 10]
13: ['Brand Y', 'XP', 'Modem', 'Part-Time', 6]
14: ['Brand Y', '2000', 'Modem', 'Contr.', 60]
OrderedDict
==================
You can use ``collections.OrderedDict`` instance as an argument for ``AllPairs`` constructor.
Pairs returned as ``collections.namedtuple`` instances.
:Sample Code:
.. code:: python
from collections import OrderedDict
from allpairspy import AllPairs
parameters = OrderedDict({
"brand": ["Brand X", "Brand Y"],
"os": ["98", "NT", "2000", "XP"],
"minute": [15, 30, 60],
})
print("PAIRWISE:")
for i, pairs in enumerate(AllPairs(parameters)):
print("{:2d}: {}".format(i, pairs))
:Sample Code:
.. code::
PAIRWISE:
0: Pairs(brand='Brand X', os='98', minute=15)
1: Pairs(brand='Brand Y', os='NT', minute=15)
2: Pairs(brand='Brand Y', os='2000', minute=30)
3: Pairs(brand='Brand X', os='XP', minute=30)
4: Pairs(brand='Brand X', os='2000', minute=60)
5: Pairs(brand='Brand Y', os='XP', minute=60)
6: Pairs(brand='Brand Y', os='98', minute=60)
7: Pairs(brand='Brand X', os='NT', minute=60)
8: Pairs(brand='Brand X', os='NT', minute=30)
9: Pairs(brand='Brand X', os='98', minute=30)
10: Pairs(brand='Brand X', os='XP', minute=15)
11: Pairs(brand='Brand X', os='2000', minute=15)
Parameterized testing with pairwise by using py.test
====================================================================
:Sample Code:
.. code:: python
import pytest
from allpairspy import AllPairs
def function_to_be_tested(brand, operating_system, minute):
# do something
return True
class TestParameterized(object):
@pytest.mark.parametrize(["brand", "operating_system", "minute"], [
value_list for value_list in AllPairs([
["Brand X", "Brand Y"],
["98", "NT", "2000", "XP"],
[10, 15, 30, 60]
])
])
def test(self, brand, operating_system, minute):
assert function_to_be_tested(brand, operating_system, minute)
:Output:
.. code::
$ py.test test_parameterize.py -v
============================= test session starts ==============================
...
collected 16 items
test_parameterize.py::TestParameterized::test[Brand X-98-10] PASSED [ 6%]
test_parameterize.py::TestParameterized::test[Brand Y-NT-10] PASSED [ 12%]
test_parameterize.py::TestParameterized::test[Brand Y-2000-15] PASSED [ 18%]
test_parameterize.py::TestParameterized::test[Brand X-XP-15] PASSED [ 25%]
test_parameterize.py::TestParameterized::test[Brand X-2000-30] PASSED [ 31%]
test_parameterize.py::TestParameterized::test[Brand Y-XP-30] PASSED [ 37%]
test_parameterize.py::TestParameterized::test[Brand Y-98-60] PASSED [ 43%]
test_parameterize.py::TestParameterized::test[Brand X-NT-60] PASSED [ 50%]
test_parameterize.py::TestParameterized::test[Brand X-NT-30] PASSED [ 56%]
test_parameterize.py::TestParameterized::test[Brand X-98-30] PASSED [ 62%]
test_parameterize.py::TestParameterized::test[Brand X-XP-60] PASSED [ 68%]
test_parameterize.py::TestParameterized::test[Brand X-2000-60] PASSED [ 75%]
test_parameterize.py::TestParameterized::test[Brand X-2000-10] PASSED [ 81%]
test_parameterize.py::TestParameterized::test[Brand X-XP-10] PASSED [ 87%]
test_parameterize.py::TestParameterized::test[Brand X-98-15] PASSED [ 93%]
test_parameterize.py::TestParameterized::test[Brand X-NT-15] PASSED [100%]
Other Examples
=================
Other examples could be found in `examples <https://github.com/thombashi/allpairspy/tree/master/examples>`__ directory.
Installation
------------
Install from PyPI
==================================
::
pip install allpairspy
Install from PPA (for Ubuntu)
==================================
::
sudo add-apt-repository ppa:thombashi/ppa
sudo apt update
sudo apt install python3-allpairspy
Known issues
------------
* Not optimal - there are tools that can create smaller set covering
all the pairs. However, they are missing some other important
features and/or do not integrate well with Python.
* Lousy written filtering function may lead to full permutation of parameters.
* Version 2.0 has become slower (a side-effect of introducing ability to produce n-wise combinations).
Dependencies
------------
Python 2.7+ or 3.5+
- `six <https://pypi.org/project/six/>`__
نیازمندی
| مقدار | نام |
|---|---|
| <2.0.0,>=1.10.0 | six |
| - | twine |
| - | wheel |
| <0.1.0,>=0.0.18 | releasecmd |
| - | pytest |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.* | Python |
نحوه نصب
نصب پکیج whl allpairspy-2.5.0:
pip install allpairspy-2.5.0.whl
نصب پکیج tar.gz allpairspy-2.5.0:
pip install allpairspy-2.5.0.tar.gz