Files
bonobo/tests/test_basics.py
2017-05-01 18:50:06 +02:00

63 lines
1.3 KiB
Python

from unittest.mock import MagicMock
import bonobo
import pytest
from bonobo.config.processors import ContextCurrifier
from bonobo.constants import NOT_MODIFIED
def test_count():
with pytest.raises(TypeError):
bonobo.count()
context = MagicMock()
currified = ContextCurrifier(bonobo.count)
currified.setup(context)
for i in range(42):
currified()
currified.teardown()
assert len(context.method_calls) == 1
bag = context.send.call_args[0][0]
assert isinstance(bag, bonobo.Bag)
assert 0 == len(bag.kwargs)
assert 1 == len(bag.args)
assert bag.args[0] == 42
def test_identity():
assert bonobo.identity(42) == 42
def test_limit():
limit = bonobo.Limit(2)
results = []
for i in range(42):
results += list(limit())
assert results == [NOT_MODIFIED] * 2
def test_limit_not_there():
limit = bonobo.Limit(42)
results = []
for i in range(10):
results += list(limit())
assert results == [NOT_MODIFIED] * 10
def test_tee():
inner = MagicMock(side_effect=bonobo.identity)
tee = bonobo.Tee(inner)
results = []
for i in range(10):
results.append(tee('foo'))
assert results == [NOT_MODIFIED] * 10
assert len(inner.mock_calls) == 10
def test_noop():
assert bonobo.noop(1, 2, 3, 4, foo='bar') == NOT_MODIFIED