Is this wrong xfail output from pytest










0















I'm new to pytest and experimenting with using the pytest.xfail decorator.



My question is whether the output I get is too much/wrong and therefore indicates that I am doing something wrong. The reason I ask is that it is way more that I have seen in other examples. The final summary does show correctly as 1 xfailed in 2.61 seconds.



I'm testing a Flask app which should return Hello World on a get to /:



@pytest.fixture
def client():
client = application.app.test_client()
yield client


@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
assert r.get_json() == '12Hello World'


The output is



test_application.py x
client = <FlaskClient <Flask 'application'>>

@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
> assert r.get_json() == '12Hello World'
E AssertionError: assert 'Hello World' == '12Hello World'
E - Hello World
E + 12Hello World
E ? ++

test_application.py:30: AssertionError
[100%]

========================== 1 xfailed in 2.61 seconds ==========================


Should it really show the error and everything? Other examples I have seen just show the x indicating an expected failed test. Also, it does not show the reason which also surprises me. I do not have the -v (verbose) argument on when running. I run the tests in Pycharm.










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  • The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

    – hoefling
    Nov 14 '18 at 15:42















0















I'm new to pytest and experimenting with using the pytest.xfail decorator.



My question is whether the output I get is too much/wrong and therefore indicates that I am doing something wrong. The reason I ask is that it is way more that I have seen in other examples. The final summary does show correctly as 1 xfailed in 2.61 seconds.



I'm testing a Flask app which should return Hello World on a get to /:



@pytest.fixture
def client():
client = application.app.test_client()
yield client


@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
assert r.get_json() == '12Hello World'


The output is



test_application.py x
client = <FlaskClient <Flask 'application'>>

@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
> assert r.get_json() == '12Hello World'
E AssertionError: assert 'Hello World' == '12Hello World'
E - Hello World
E + 12Hello World
E ? ++

test_application.py:30: AssertionError
[100%]

========================== 1 xfailed in 2.61 seconds ==========================


Should it really show the error and everything? Other examples I have seen just show the x indicating an expected failed test. Also, it does not show the reason which also surprises me. I do not have the -v (verbose) argument on when running. I run the tests in Pycharm.










share|improve this question






















  • The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

    – hoefling
    Nov 14 '18 at 15:42













0












0








0








I'm new to pytest and experimenting with using the pytest.xfail decorator.



My question is whether the output I get is too much/wrong and therefore indicates that I am doing something wrong. The reason I ask is that it is way more that I have seen in other examples. The final summary does show correctly as 1 xfailed in 2.61 seconds.



I'm testing a Flask app which should return Hello World on a get to /:



@pytest.fixture
def client():
client = application.app.test_client()
yield client


@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
assert r.get_json() == '12Hello World'


The output is



test_application.py x
client = <FlaskClient <Flask 'application'>>

@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
> assert r.get_json() == '12Hello World'
E AssertionError: assert 'Hello World' == '12Hello World'
E - Hello World
E + 12Hello World
E ? ++

test_application.py:30: AssertionError
[100%]

========================== 1 xfailed in 2.61 seconds ==========================


Should it really show the error and everything? Other examples I have seen just show the x indicating an expected failed test. Also, it does not show the reason which also surprises me. I do not have the -v (verbose) argument on when running. I run the tests in Pycharm.










share|improve this question














I'm new to pytest and experimenting with using the pytest.xfail decorator.



My question is whether the output I get is too much/wrong and therefore indicates that I am doing something wrong. The reason I ask is that it is way more that I have seen in other examples. The final summary does show correctly as 1 xfailed in 2.61 seconds.



I'm testing a Flask app which should return Hello World on a get to /:



@pytest.fixture
def client():
client = application.app.test_client()
yield client


@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
assert r.get_json() == '12Hello World'


The output is



test_application.py x
client = <FlaskClient <Flask 'application'>>

@pytest.mark.xfail(reason='should fail')
def test_hello_world(client):
r = client.get('/')
> assert r.get_json() == '12Hello World'
E AssertionError: assert 'Hello World' == '12Hello World'
E - Hello World
E + 12Hello World
E ? ++

test_application.py:30: AssertionError
[100%]

========================== 1 xfailed in 2.61 seconds ==========================


Should it really show the error and everything? Other examples I have seen just show the x indicating an expected failed test. Also, it does not show the reason which also surprises me. I do not have the -v (verbose) argument on when running. I run the tests in Pycharm.







python pytest






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asked Nov 14 '18 at 10:15









Kaspar HKaspar H

276




276












  • The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

    – hoefling
    Nov 14 '18 at 15:42

















  • The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

    – hoefling
    Nov 14 '18 at 15:42
















The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

– hoefling
Nov 14 '18 at 15:42





The additional output must be from Pycharm; try running the tests from command line, you shouldn't get any asserts printed.

– hoefling
Nov 14 '18 at 15:42












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