StackOverflow Question 37124766

parametrized_pytest.py

from pytest import mark


items = [
    {
        'text':   'bla bla',
        'fields': [('bla', 0), ('foo', -1)]
    },
    {
        'text':   'foo bar',
        'fields': [('bla', -1), ('foo', 0), ('bar', 4)]
    }
]


def make_item_iterator():
    for item in items:
        for field in item['fields']:
            yield (item['text'], *field)


# noinspection PyShadowingNames
@mark.parametrize('haystack, needle, index', make_item_iterator())
def test_parser(haystack, needle, index):
    assert haystack.find(needle) == index