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from builtins import object
from ldclient.client import LDClient, Config
from ldclient.interfaces import FeatureRequester
import pytest
from testing.sync_util import wait_until
try:
import queue
except:
import Queue as queue
class MockFeatureRequester(FeatureRequester):
def __init__(self, *_):
pass
def get(self, key, callback):
if key == "feature.key":
return callback({
u'key': u'feature.key',
u'salt': u'abc',
u'on': True,
u'variations': [
{
u'value': True,
u'weight': 100,
u'targets': []
},
{
u'value': False,
u'weight': 0,
u'targets': []
}
]
})
else:
return callback(None)
client = LDClient("API_KEY", Config("http://localhost:3000",
feature_requester_class=MockFeatureRequester))
user = {
u'key': u'xyz',
u'custom': {
u'bizzle': u'def'
}
}
numeric_key_user = {}
sanitized_numeric_key_user = {
u'key': '33',
u'custom': {
u'bizzle': u'def'
}
}
class MockConsumer(object):
def __init__(self, *_):
self._running = False
def stop(self):
self._running = False
def start(self):
self._running = True
def is_alive(self):
return self._running
def flush(self):
pass
def mock_consumer():
return MockConsumer()
def noop_consumer():
return
def setup_function(function):
global numeric_key_user
numeric_key_user = {
u'key': 33,
u'custom': {
u'bizzle': u'def'
}
}
client.set_online()
client._queue = queue.Queue(10)
client._consumer = mock_consumer()
@pytest.fixture(autouse=True)
def noop_check_consumer(monkeypatch):
monkeypatch.setattr(client, '_check_consumer', noop_consumer)
def wait_for_event(c, cb):
e = c._queue.get(False)
return cb(e)
def test_set_offline():
client.set_offline()
assert client.is_offline() == True
def test_set_online():
client.set_offline()
client.set_online()
assert client.is_offline() == False
def test_toggle():
assert client.toggle('feature.key', user, default=None) == True
def test_toggle_offline():
client.set_offline()
assert client.toggle('feature.key', user, default=None) == None
def test_toggle_event():
client.toggle('feature.key', user, default=None)
def expected_event(e):
return e['kind'] == 'feature' and e['key'] == 'feature.key' and e['user'] == user and e['value'] == True and e['default'] == None
assert expected_event(client._queue.get(False))
def test_sanitize_user():
client._sanitize_user(numeric_key_user)
assert numeric_key_user == sanitized_numeric_key_user
def test_toggle_event_numeric_user_key():
client.toggle('feature.key', numeric_key_user, default=None)
def expected_event(e):
return e['kind'] == 'feature' and e['key'] == 'feature.key' and e['user'] == sanitized_numeric_key_user and e['value'] == True and e['default'] == None
assert expected_event(client._queue.get(False))
def test_toggle_event_offline():
client.set_offline()
client.toggle('feature.key', user, default=None)
assert client._queue.empty()
def test_identify():
client.identify(user)
def expected_event(e):
return e['kind'] == 'identify' and e['key'] == u'xyz' and e['user'] == user
assert expected_event(client._queue.get(False))
def test_identify_numeric_key_user():
client.identify(numeric_key_user)
def expected_event(e):
return e['kind'] == 'identify' and e['key'] == '33' and e['user'] == sanitized_numeric_key_user
assert expected_event(client._queue.get(False))
def test_identify_offline():
client.set_offline()
client.identify(user)
assert client._queue.empty()
def test_track():
client.track('my_event', user, 42)
def expected_event(e):
return e['kind'] == 'custom' and e['key'] == 'my_event' and e['user'] == user and e['data'] == 42
assert expected_event(client._queue.get(False))
def test_track_numeric_key_user():
client.track('my_event', numeric_key_user, 42)
def expected_event(e):
return e['kind'] == 'custom' and e['key'] == 'my_event' and e['user'] == sanitized_numeric_key_user and e['data'] == 42
assert expected_event(client._queue.get(False))
def test_track_offline():
client.set_offline()
client.track('my_event', user, 42)
assert client._queue.empty()
def test_defaults():
client = LDClient("API_KEY", Config(
"http://localhost:3000", defaults={"foo": "bar"}))
client.set_offline()
assert "bar" == client.toggle('foo', user, default=None)
def test_defaults_and_online():
client = LDClient("API_KEY", Config("http://localhost:3000", defaults={"foo": "bar"},
feature_requester_class=MockFeatureRequester,
consumer_class=MockConsumer))
assert "bar" == client.toggle('foo', user, default="jim")
assert wait_for_event(client, lambda e: e['kind'] == 'feature' and e[
'key'] == u'foo' and e['user'] == user)
def test_defaults_and_online_no_default():
client = LDClient("API_KEY", Config("http://localhost:3000", defaults={"foo": "bar"},
feature_requester_class=MockFeatureRequester,
consumer_class=MockConsumer))
assert "jim" == client.toggle('baz', user, default="jim")
assert wait_for_event(client, lambda e: e['kind'] == 'feature' and e[
'key'] == u'baz' and e['user'] == user)
def test_exception_in_retrieval():
class ExceptionFeatureRequester(FeatureRequester):
def __init__(self, *_):
pass
def get(self, key, callback):
raise Exception("blah")
client = LDClient("API_KEY", Config("http://localhost:3000", defaults={"foo": "bar"},
feature_requester_class=ExceptionFeatureRequester,
consumer_class=MockConsumer))
assert "bar" == client.toggle('foo', user, default="jim")
assert wait_for_event(client, lambda e: e['kind'] == 'feature' and e[
'key'] == u'foo' and e['user'] == user)
def test_no_defaults():
client.set_offline()
assert "bar" == client.toggle('foo', user, default="bar")
def drain(queue):
while not queue.empty():
queue.get()
queue.task_done()
return
def test_flush_empties_queue():
client.track('my_event', user, 42)
client.track('my_event', user, 33)
drain(client._queue)
client.flush()
assert client._queue.empty()
def test_flush_offline_does_not_empty_queue():
client.track('my_event', user, 42)
client.track('my_event', user, 33)
client.set_offline()
client.flush()
assert not client._queue.empty()