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fix issue561 example adapted to python3.

This commit is contained in:
holger krekel 2014-08-08 15:20:37 +02:00
parent 672e42e558
commit e98f77037e
4 changed files with 84 additions and 66 deletions
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5
CHANGELOG
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@ -1,3 +1,8 @@
NEXT
-----------
- fixed issue561: adapt autouse fixture example for python3.
2.6.1 2.6.1
----------------------------------- -----------------------------------

2
_pytest/__init__.py
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@ -1,2 +1,2 @@
# #
__version__ = '2.6.1' __version__ = '2.6.2.dev1'

141
doc/en/fixture.txt
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@ -75,25 +75,26 @@ will discover and call the :py:func:`@pytest.fixture <_pytest.python.fixture>`
marked ``smtp`` fixture function. Running the test looks like this:: marked ``smtp`` fixture function. Running the test looks like this::
$ py.test test_smtpsimple.py $ py.test test_smtpsimple.py
=========================== test session starts ============================ ============================= test session starts ==============================
platform linux -- Python 3.4.0 -- py-1.4.23 -- pytest-2.6.1 platform linux2 -- Python 2.7.6 -- py-1.4.23 -- pytest-2.6.1
collected 1 items collected 1 items
test_smtpsimple.py F test_smtpsimple.py F
================================= FAILURES ================================= =================================== FAILURES ===================================
________________________________ test_ehlo _________________________________ __________________________________ test_ehlo ___________________________________
smtp = <smtplib.SMTP object at 0x2ba44047c390> smtp = <smtplib.SMTP instance at 0x7ff89e00d7e8>
def test_ehlo(smtp): def test_ehlo(smtp):
response, msg = smtp.ehlo() response, msg = smtp.ehlo()
assert response == 250 assert response == 250
> assert "merlinux" in msg assert "merlinux" in msg
E TypeError: Type str doesn't support the buffer API > assert 0 # for demo purposes
E assert 0
test_smtpsimple.py:11: TypeError test_smtpsimple.py:12: AssertionError
========================= 1 failed in 0.18 seconds ========================= =========================== 1 failed in 0.17 seconds ===========================
In the failure traceback we see that the test function was called with a In the failure traceback we see that the test function was called with a
``smtp`` argument, the ``smtplib.SMTP()`` instance created by the fixture ``smtp`` argument, the ``smtplib.SMTP()`` instance created by the fixture
@ -192,27 +193,28 @@ We deliberately insert failing ``assert 0`` statements in order to
inspect what is going on and can now run the tests:: inspect what is going on and can now run the tests::
$ py.test test_module.py $ py.test test_module.py
=========================== test session starts ============================ ============================= test session starts ==============================
platform linux -- Python 3.4.0 -- py-1.4.23 -- pytest-2.6.1 platform linux2 -- Python 2.7.6 -- py-1.4.23 -- pytest-2.6.1
collected 2 items collected 2 items
test_module.py FF test_module.py FF
================================= FAILURES ================================= =================================== FAILURES ===================================
________________________________ test_ehlo _________________________________ __________________________________ test_ehlo ___________________________________
smtp = <smtplib.SMTP object at 0x2b37ace44fd0> smtp = <smtplib.SMTP instance at 0x7f36c67e3ab8>
def test_ehlo(smtp): def test_ehlo(smtp):
response = smtp.ehlo() response = smtp.ehlo()
assert response[0] == 250 assert response[0] == 250
> assert "merlinux" in response[1] assert "merlinux" in response[1]
E TypeError: Type str doesn't support the buffer API > assert 0 # for demo purposes
E assert 0
test_module.py:5: TypeError test_module.py:6: AssertionError
________________________________ test_noop _________________________________ __________________________________ test_noop ___________________________________
smtp = <smtplib.SMTP object at 0x2b37ace44fd0> smtp = <smtplib.SMTP instance at 0x7f36c67e3ab8>
def test_noop(smtp): def test_noop(smtp):
response = smtp.noop() response = smtp.noop()
@ -221,7 +223,7 @@ inspect what is going on and can now run the tests::
E assert 0 E assert 0
test_module.py:11: AssertionError test_module.py:11: AssertionError
========================= 2 failed in 0.18 seconds ========================= =========================== 2 failed in 0.17 seconds ===========================
You see the two ``assert 0`` failing and more importantly you can also see You see the two ``assert 0`` failing and more importantly you can also see
that the same (module-scoped) ``smtp`` object was passed into the two that the same (module-scoped) ``smtp`` object was passed into the two
@ -269,7 +271,7 @@ Let's execute it::
$ py.test -s -q --tb=no $ py.test -s -q --tb=no
FFteardown smtp FFteardown smtp
2 failed in 0.22 seconds 2 failed in 0.16 seconds
We see that the ``smtp`` instance is finalized after the two We see that the ``smtp`` instance is finalized after the two
tests finished execution. Note that if we decorated our fixture tests finished execution. Note that if we decorated our fixture
@ -309,8 +311,9 @@ We use the ``request.module`` attribute to optionally obtain an
again, nothing much has changed:: again, nothing much has changed::
$ py.test -s -q --tb=no $ py.test -s -q --tb=no
FF FFteardown smtp
2 failed in 0.19 seconds
2 failed in 0.17 seconds
Let's quickly create another test module that actually sets the Let's quickly create another test module that actually sets the
server URL in its module namespace:: server URL in its module namespace::
@ -326,11 +329,11 @@ Running it::
$ py.test -qq --tb=short test_anothersmtp.py $ py.test -qq --tb=short test_anothersmtp.py
F F
================================= FAILURES ================================= =================================== FAILURES ===================================
______________________________ test_showhelo _______________________________ ________________________________ test_showhelo _________________________________
test_anothersmtp.py:5: in test_showhelo test_anothersmtp.py:5: in test_showhelo
assert 0, smtp.helo() assert 0, smtp.helo()
E AssertionError: (250, b'mail.python.org') E AssertionError: (250, 'hq.merlinux.eu')
voila! The ``smtp`` fixture function picked up our mail server name voila! The ``smtp`` fixture function picked up our mail server name
from the module namespace. from the module namespace.
@ -374,21 +377,22 @@ So let's just do another run::
$ py.test -q test_module.py $ py.test -q test_module.py
FFFF FFFF
================================= FAILURES ================================= =================================== FAILURES ===================================
__________________________ test_ehlo[merlinux.eu] __________________________ ____________________________ test_ehlo[merlinux.eu] ____________________________
smtp = <smtplib.SMTP object at 0x2b5a2bc0e048> smtp = <smtplib.SMTP instance at 0x7f4fdf04cea8>
def test_ehlo(smtp): def test_ehlo(smtp):
response = smtp.ehlo() response = smtp.ehlo()
assert response[0] == 250 assert response[0] == 250
> assert "merlinux" in response[1] assert "merlinux" in response[1]
E TypeError: Type str doesn't support the buffer API > assert 0 # for demo purposes
E assert 0
test_module.py:5: TypeError test_module.py:6: AssertionError
__________________________ test_noop[merlinux.eu] __________________________ ____________________________ test_noop[merlinux.eu] ____________________________
smtp = <smtplib.SMTP object at 0x2b5a2bc0e048> smtp = <smtplib.SMTP instance at 0x7f4fdf04cea8>
def test_noop(smtp): def test_noop(smtp):
response = smtp.noop() response = smtp.noop()
@ -397,22 +401,22 @@ So let's just do another run::
E assert 0 E assert 0
test_module.py:11: AssertionError test_module.py:11: AssertionError
________________________ test_ehlo[mail.python.org] ________________________ __________________________ test_ehlo[mail.python.org] __________________________
smtp = <smtplib.SMTP object at 0x2b5a2bdb3ac8> smtp = <smtplib.SMTP instance at 0x7f4fdf07c290>
def test_ehlo(smtp): def test_ehlo(smtp):
response = smtp.ehlo() response = smtp.ehlo()
assert response[0] == 250 assert response[0] == 250
> assert "merlinux" in response[1] > assert "merlinux" in response[1]
E TypeError: Type str doesn't support the buffer API E assert 'merlinux' in 'mail.python.org\nSIZE 25600000\nETRN\nSTARTTLS\nENHANCEDSTATUSCODES\n8BITMIME\nDSN\nSMTPUTF8'
test_module.py:5: TypeError test_module.py:5: AssertionError
-------------------------- Captured stdout setup --------------------------- ---------------------------- Captured stdout setup -----------------------------
finalizing <smtplib.SMTP object at 0x2b5a2bc0e048> finalizing <smtplib.SMTP instance at 0x7f4fdf04cea8>
________________________ test_noop[mail.python.org] ________________________ __________________________ test_noop[mail.python.org] __________________________
smtp = <smtplib.SMTP object at 0x2b5a2bdb3ac8> smtp = <smtplib.SMTP instance at 0x7f4fdf07c290>
def test_noop(smtp): def test_noop(smtp):
response = smtp.noop() response = smtp.noop()
@ -421,7 +425,7 @@ So let's just do another run::
E assert 0 E assert 0
test_module.py:11: AssertionError test_module.py:11: AssertionError
4 failed in 6.25 seconds 4 failed in 6.26 seconds
We see that our two test functions each ran twice, against the different We see that our two test functions each ran twice, against the different
``smtp`` instances. Note also, that with the ``mail.python.org`` ``smtp`` instances. Note also, that with the ``mail.python.org``
@ -460,14 +464,14 @@ Here we declare an ``app`` fixture which receives the previously defined
``smtp`` fixture and instantiates an ``App`` object with it. Let's run it:: ``smtp`` fixture and instantiates an ``App`` object with it. Let's run it::
$ py.test -v test_appsetup.py $ py.test -v test_appsetup.py
=========================== test session starts ============================ ============================= test session starts ==============================
platform linux -- Python 3.4.0 -- py-1.4.23 -- pytest-2.6.1 -- /home/hpk/p/pytest/.tox/regen/bin/python3.4 platform linux2 -- Python 2.7.6 -- py-1.4.23 -- pytest-2.6.1 -- /home/hpk/venv/0/bin/python
collecting ... collected 2 items collecting ... collected 2 items
test_appsetup.py::test_smtp_exists[merlinux.eu] PASSED test_appsetup.py::test_smtp_exists[merlinux.eu] PASSED
test_appsetup.py::test_smtp_exists[mail.python.org] PASSED test_appsetup.py::test_smtp_exists[mail.python.org] PASSED
========================= 2 passed in 5.90 seconds ========================= =========================== 2 passed in 5.46 seconds ===========================
Due to the parametrization of ``smtp`` the test will run twice with two Due to the parametrization of ``smtp`` the test will run twice with two
different ``App`` instances and respective smtp servers. There is no different ``App`` instances and respective smtp servers. There is no
@ -505,7 +509,7 @@ to show the setup/teardown flow::
@pytest.fixture(scope="module", params=["mod1", "mod2"]) @pytest.fixture(scope="module", params=["mod1", "mod2"])
def modarg(request): def modarg(request):
param = request.param param = request.param
print "create", param print ("create", param)
def fin(): def fin():
print ("fin %s" % param) print ("fin %s" % param)
return param return param
@ -515,30 +519,39 @@ to show the setup/teardown flow::
return request.param return request.param
def test_0(otherarg): def test_0(otherarg):
print " test0", otherarg print (" test0", otherarg)
def test_1(modarg): def test_1(modarg):
print " test1", modarg print (" test1", modarg)
def test_2(otherarg, modarg): def test_2(otherarg, modarg):
print " test2", otherarg, modarg print (" test2", otherarg, modarg)
Let's run the tests in verbose mode and with looking at the print-output:: Let's run the tests in verbose mode and with looking at the print-output::
$ py.test -v -s test_module.py $ py.test -v -s test_module.py
=========================== test session starts ============================ ============================= test session starts ==============================
platform linux -- Python 3.4.0 -- py-1.4.23 -- pytest-2.6.1 -- /home/hpk/p/pytest/.tox/regen/bin/python3.4 platform linux2 -- Python 2.7.6 -- py-1.4.23 -- pytest-2.6.1 -- /home/hpk/venv/0/bin/python
collecting ... collected 0 items / 1 errors collecting ... collected 8 items
================================== ERRORS ================================== test_module.py::test_0[1] (' test0', 1)
_____________________ ERROR collecting test_module.py ______________________ PASSED
/home/hpk/p/pytest/.tox/regen/lib/python3.4/site-packages/_pytest/python.py:463: in _importtestmodule test_module.py::test_0[2] (' test0', 2)
mod = self.fspath.pyimport(ensuresyspath=True) PASSED
/home/hpk/p/pytest/.tox/regen/lib/python3.4/site-packages/py/_path/local.py:620: in pyimport test_module.py::test_1[mod1] ('create', 'mod1')
__import__(modname) (' test1', 'mod1')
E File "/tmp/doc-exec-184/test_module.py", line 6 PASSED
E print "create", param test_module.py::test_2[1-mod1] (' test2', 1, 'mod1')
E ^ PASSED
E SyntaxError: invalid syntax test_module.py::test_2[2-mod1] (' test2', 2, 'mod1')
========================= 1 error in 0.03 seconds ========================== PASSED
test_module.py::test_1[mod2] ('create', 'mod2')
(' test1', 'mod2')
PASSED
test_module.py::test_2[1-mod2] (' test2', 1, 'mod2')
PASSED
test_module.py::test_2[2-mod2] (' test2', 2, 'mod2')
PASSED
=========================== 8 passed in 0.01 seconds ===========================
You can see that the parametrized module-scoped ``modarg`` resource caused You can see that the parametrized module-scoped ``modarg`` resource caused
an ordering of test execution that lead to the fewest possible "active" resources. The finalizer for the ``mod1`` parametrized resource was executed an ordering of test execution that lead to the fewest possible "active" resources. The finalizer for the ``mod1`` parametrized resource was executed

2
setup.py
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@ -27,7 +27,7 @@ def main():
name='pytest', name='pytest',
description='pytest: simple powerful testing with Python', description='pytest: simple powerful testing with Python',
long_description=long_description, long_description=long_description,
version='2.6.1', version='2.6.2.dev1',
url='http://pytest.org', url='http://pytest.org',
license='MIT license', license='MIT license',
platforms=['unix', 'linux', 'osx', 'cygwin', 'win32'], platforms=['unix', 'linux', 'osx', 'cygwin', 'win32'],