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Add worker_count = 1 to LocalRunner for parity with MasterRunner #2900

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Sep 11, 2024
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8 changes: 6 additions & 2 deletions examples/custom_messages.py
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
from locust import HttpUser, between, events, task
from locust.runners import MasterRunner, WorkerRunner
from locust.runners import LocalRunner, MasterRunner, WorkerRunner

import gevent

Expand Down Expand Up @@ -44,8 +44,12 @@ def on_test_start(environment, **_kwargs):

worker_count = environment.runner.worker_count
chunk_size = int(len(users) / worker_count)
if isinstance(environment.runner, LocalRunner):
workers = [environment.runner]
else:
workers = [environment.runner.clients]

for i, worker in enumerate(environment.runner.clients):
for i, worker in enumerate(workers):
start_index = i * chunk_size

if i + 1 < worker_count:
Expand Down
1 change: 1 addition & 0 deletions locust/runners.py
Original file line number Diff line number Diff line change
Expand Up @@ -437,6 +437,7 @@ def __init__(self, environment) -> None:
# but it makes it easier to write tests that work for both local and distributed runs
self.worker_index = 0
self.client_id = socket.gethostname() + "_" + uuid4().hex
self.worker_count = 1
# Only when running in standalone mode (non-distributed)
self._local_worker_node = WorkerNode(id="local")
self._local_worker_node.user_classes_count = self.user_classes_count
Expand Down