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Add docs for id= with pytest.param

This commit is contained in:
Florian Bruhin 2017-05-23 07:57:34 +02:00
parent f9df750025
commit 7d6bde2496
1 changed files with 15 additions and 1 deletions
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16
doc/en/example/parametrize.rst
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@ -116,6 +116,15 @@ the argument name::
diff = a - b diff = a - b
assert diff == expected assert diff == expected
@pytest.mark.parametrize("a,b,expected", [
pytest.param(datetime(2001, 12, 12), datetime(2001, 12, 11),
timedelta(1), id='forward'),
pytest.param(datetime(2001, 12, 11), datetime(2001, 12, 12),
timedelta(-1), id='backward'),
])
def test_timedistance_v3(a, b, expected):
diff = a - b
assert diff == expected
In ``test_timedistance_v0``, we let pytest generate the test IDs. In ``test_timedistance_v0``, we let pytest generate the test IDs.
@ -132,7 +141,7 @@ objects, they are still using the default pytest representation::
======= test session starts ======== ======= test session starts ========
platform linux -- Python 3.x.y, pytest-3.x.y, py-1.x.y, pluggy-0.x.y platform linux -- Python 3.x.y, pytest-3.x.y, py-1.x.y, pluggy-0.x.y
rootdir: $REGENDOC_TMPDIR, inifile: rootdir: $REGENDOC_TMPDIR, inifile:
collected 6 items collected 8 items
<Module 'test_time.py'> <Module 'test_time.py'>
<Function 'test_timedistance_v0[a0-b0-expected0]'> <Function 'test_timedistance_v0[a0-b0-expected0]'>
<Function 'test_timedistance_v0[a1-b1-expected1]'> <Function 'test_timedistance_v0[a1-b1-expected1]'>
@ -140,9 +149,14 @@ objects, they are still using the default pytest representation::
<Function 'test_timedistance_v1[backward]'> <Function 'test_timedistance_v1[backward]'>
<Function 'test_timedistance_v2[20011212-20011211-expected0]'> <Function 'test_timedistance_v2[20011212-20011211-expected0]'>
<Function 'test_timedistance_v2[20011211-20011212-expected1]'> <Function 'test_timedistance_v2[20011211-20011212-expected1]'>
<Function 'test_timedistance_v3[forward]'>
<Function 'test_timedistance_v3[backward]'>
======= no tests ran in 0.12 seconds ======== ======= no tests ran in 0.12 seconds ========
In ``test_timedistance_v3``, we used ``pytest.param`` to specify the test IDs
together with the actual data, instead of listing them separately.
A quick port of "testscenarios" A quick port of "testscenarios"
------------------------------------ ------------------------------------