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PicoTest-0.2.0
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مشاهده بیشترتوضیحات
a small but very useful testing library for Python
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | PicoTest-0.2.0 |
| نام | PicoTest |
| نسخه کتابخانه | 0.2.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | makoto kuwata |
| ایمیل نویسنده | kwa@kuwata-lab.com |
| آدرس صفحه اصلی | http://pypi.python.org/PicoTest |
| آدرس اینترنتی | https://pypi.org/project/PicoTest/ |
| مجوز | MIT License |
==================
PicoTest.py README
==================
Release: 0.2.0
.. contents::
Overview
========
PicoTest.py is a small but very useful testing library for Python.
Basic Example
=============
PicoTest.py uses ``with`` statement instead of ``TestCase`` class.
* Test topc or context is represented by ``with`` statement.
* Test spec is represented by ``@test`` decorator.
examples/1_basic_test.py::
import picotest
test = picotest.new()
with test("assertion example"):
@test("1+1 should be 2")
def _(): # 'self' is not required
assert 1+1 == 2
@test("assertion methods of unittest are avaiable")
def _(self):
self.assertEqual("Haruhi".upper(), "HARUHI")
@test("'assertTextEqual()' is available which shows diff of two texts")
def _(self):
expected = "Haruhi\nMikuru\nYuki"
actual = "\n".join(["Haruhi", "Mikuru", "Yuki"])
#actual = "\n".join(["Haruhi", "Michiru", "Yuki"])
self.assertTextEqual(expected, actual)
if __name__ == '__main__':
picotest.main()
Output example (verbose style)::
$ python examples/1_basic_test.py
* assertion example
- [passed] 1+1 should be 2
- [passed] assertion methods of unittest are avaiable
- [passed] 'assertTextEqual()' is available which shows diff of two texts
----------------------------------------------------------------------
## total:3, passed:3, failed:0, error:0, skipped:0, todo:0
Output example (plain style)::
$ python examples/1_basic_test.py -sp # or -s plain
...
## total:3, passed:3, failed:0, error:0, skipped:0, todo:0
Test Structure
==============
Nested test structure is available.
This makes you to write tests in structured style.
examples/2_structure_test.py::
import picotest
test = picotest.new()
with test("ClassName"):
with test("#method_name()"):
with test("when base is not specified..."):
@test("int('11') should be 11")
def _():
assert int('11') == 11
with test("when base is specified..."):
@test("int('11', 16) should be 17")
def _():
assert int('11', 16) == 17
@test("int('11', 8) should be 9")
def _():
assert int('11', 8) == 9
@test("int('11', 2) should be 3")
def _():
assert int('11', 2) == 3
if __name__ == '__main__':
test.main()
Setup and Teadown Fixture
=========================
Setup and teardown fixtures are available.
They are provided by decorators.
``@test.before``
Same as setUp(). Invoked before each test.
``@test.after``
Same as tearDown(). Invoked after each test.
``@test.before_all``
Similar to setUpClass(). Invoked only once before all tests.
``@test.after_all``
Similar to tearDownClass(). Invoked only once after all tests.
examples/3_setup_teadown_test.py::
import os
import picotest
test = picotest.new()
with test("fixtures (setup, teardown) example"):
PWD = os.getcwd()
@test.before_all # setupAll
def _():
os.mkdir("_sandbox")
os.chdir("_sandbox")
@test.after_all # afterAll
def _():
os.chdir(PWD)
os.rmdir("_sandbox")
@test.before # setup
def _(self):
self.name = "Haruhi"
self.team = "SOS"
@test.after # teardown
def _(self):
pass
@test("fixture should be called #1")
def _(self):
self.assertEqual("Haruhi", self.name)
@test("fixture should be called #2")
def _(self):
self.assertEqual("SOS", self.team)
if __name__ == '__main__':
picotest.main()
Fixture Injection
=================
Fixture Injection is available which is more flexible than setup/teardown.
examples/4_fixture_injection_test.py::
import os
import picotest
test = picotest.new()
with test("fixture injection example"):
@test.fixture
def member(self):
yield "Haruhi" # use 'yield', not 'return'
@test.fixture
def team(): # 'self' is optional
yield "SOS"
@test("fixture is injected automatically")
def _(self, member, team):
assert member == "Haruhi"
assert team == "SOS"
@test.fixture
def tmpfile(self):
## setup temporary file
filename = "_tmpfile.txt"
with open(filename, "w") as f: f.write("SOS\n")
yield filename
## teardown temporary file
os.unlink(filename)
@test("temporary file is created and removed automatically")
def _(tmpfile):
assert tmpfile == "_tmpfile.txt"
with open(tmpfile) as f:
assert f.read() == "SOS\n"
if __name__ == '__main__':
picotest.main()
Skip and Todo
=============
PicoTest.py supports test skip and todo.
picotest.skip_when(condition, reason)
When condition is true then skip rest assertions.
picotest.todo
Decorator to represents that "feature is not implemented yet".
test.TODO(description):
Same as::
@test("...description...")
@todo
def _():
assert False # expected failure
example/5_skip_and_todo_test.py::
import picotest
from picotest import skip_when, todo
test = picotest.new()
with test("skip and todo example"):
@test("skip test when condition is true")
def _(self):
condition = True
skip_when(condition, "REASON")
assert 1 == 0 # unreachable
@test("'@todo' means 'not implemented yet'")
@todo
def _(self):
assert 1 == 0 # expected failure
test.TODO("something what you have to do #1")
test.TODO("something what you have to do #2")
if __name__ == '__main__':
picotest.main()
Extened Assertion Methods
=========================
PicoTest.py adds some new assertion methods to unittest.TestCase class.
self.assertTextEqual(expected, actual)
Similar to ``assertEqual()``, but diplays unified diff when actual and
expected are different text. Equivarent to ``assertMultilineEqual()``
but available in Python 2.6 or older.
Example::
expected = "Haruhi\nMikuru\nYuki\n"
actual = "Haruhi\nMichiru\nYuki\n"
self.assertTextEqual(expected, actual)
## output:
# AssertionError: texts are not equal.
# --- expected
# +++ actual
# @@ -1,3 +1,3 @@
# Haruhi
# -Mikuru
# +Michiru
# Yuki
self.assertException(function, exceptionclass[, errormsg=None])
Similar to ``assertRaise()``, but this can check error message.
``errormsg`` can be string or pattern object compiled by ``re.compile()``.
In addition, you can get exeption object as ``function.exception``.
Example::
def fn(): int("foo")
self.assertException(fn, ValueError, "invalid literal for int() with base 10: 'foo'")
## or
self.assertException(fn, ValueError, re.compile(r'^invalid literal'));
## or
self.assertException(fn, ValueError)
self.assertEqual("invalid literal for int() with base 10: 'foo'", str(fn.exception))
self.assertNotException(function[, exceptionclass=Exception])
Confirms that function doesn't raise exception.
Example::
def fn(): int("FF", 16)
self.assertNotException(fn)
Command-line Interface
======================
PicoTest.py provides command-line interface::
$ python test/foo_test.py # run test script (verbose style)
$ python test/foo_test.py -sp # run test script (plain style)
$ python test/*.py # run all test scripts
$ python -m picotest test/*.py # run all test scripts
$ python -m picotest test # run all under 'test' directory
$ python -m picotest -h # show help
$ python -m picotest -v # print version
$ python -m picotest -sv test/*.py # or -s verbose
$ python -m picotest -ss test/*.py # or -s simple
$ python -m picotest -sp test/*.py # or -s plain
$ python -m picotest --test='...' test # filter by description
$ python -m picotest -D test/*.py # show all backtrace
``picotest.main()`` exists process with status code which represens number
of failed or error tests::
$ python examples/1_basic_test.py -sp
..f
----------------------------------------------------------------------
[Failed] assertion example > 'assertTextEqual()' is available which shows diff of two texts
:
----------------------------------------------------------------------
## total:3, passed:2, failed:1, error:0, skipped:0, todo:0
$ echo $?
1 # number of failed or error tests
Copyright
=========
$Copyright: copyright(c) 2011 kuwata-lab.com all rights reserved $
License
=======
$License: MIT License $
نحوه نصب
نصب پکیج whl PicoTest-0.2.0:
pip install PicoTest-0.2.0.whl
نصب پکیج tar.gz PicoTest-0.2.0:
pip install PicoTest-0.2.0.tar.gz