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Merge pull request #8704 from offbyone/doc-getting-started-test-instance 

Make the test class instance behaviour clearer
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Bruno Oliveira 2021-05-26 18:42:37 -03:00 committed by GitHub
parent 798bca4076 640b2c0e13
commit 43faea832d
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2 changed files with 13 additions and 18 deletions
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1
AUTHORS
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@ -62,6 +62,7 @@ Charles Machalow
Charnjit SiNGH (CCSJ)
Chris Lamb
Chris NeJame
Chris Rose
Christian Boelsen
Christian Fetzer
Christian Neumüller

30
doc/en/getting-started.rst
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@ -169,40 +169,34 @@ This is outlined below:
# content of test_class_demo.py
class TestClassDemoInstance:
value = 0
def test_one(self):
assert 0
self.value = 1
assert self.value == 1
def test_two(self):
assert 0
assert self.value == 1
.. code-block:: pytest
$ pytest -k TestClassDemoInstance -q
FF [100%]
.F [100%]
================================= FAILURES =================================
______________________ TestClassDemoInstance.test_one ______________________
self = <test_class_demo.TestClassDemoInstance object at 0xdeadbeef>
def test_one(self):
> assert 0
E assert 0
test_class_demo.py:3: AssertionError
______________________ TestClassDemoInstance.test_two ______________________
self = <test_class_demo.TestClassDemoInstance object at 0xdeadbeef>
def test_two(self):
> assert 0
E assert 0
> assert self.value == 1
E assert 0 == 1
E + where 0 = <test_class_demo.TestClassDemoInstance object at 0xdeadbeef>.value
test_class_demo.py:6: AssertionError
test_class_demo.py:9: AssertionError
========================= short test summary info ==========================
FAILED test_class_demo.py::TestClassDemoInstance::test_one - assert 0
FAILED test_class_demo.py::TestClassDemoInstance::test_two - assert 0
2 failed in 0.12s
FAILED test_class_demo.py::TestClassDemoInstance::test_two - assert 0 == 1
1 failed, 1 passed in 0.04s
Note that attributes added at class level are *class attributes*, so they will be shared between tests.